GOSS US Equity

Gossamer Bio, Inc.

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Health Care · Pharmaceutical Preparations · CIK 1728117 · FYE 1231

$0.21

+0.00 (+0.78%)

USD · as of 2026-07-29 · marketstack

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Institutional ownership· 13F filers holding GOSS · 2026-Q1 methodology → sources →

182 holders

% of shares outstanding held

75.5%

Shares held (13F)

177,240,120

Reporting holders

182

Top holders

largest 100 of 182 · Δ vs 2025-Q4

#	Holder	Shares	Value	% of shares out	Δ QoQ
1	Kalehua Capital Management LLC	17,708,13317.7M	$6M	7.55%	NEW†
2	BlackRock, Inc.	16,826,69516.8M	$6M	7.17%	—
3	AQR CAPITAL MANAGEMENT LLC	10,126,89710.1M	$3M	4.31%	ADD 805%
4	VANGUARD CAPITAL MANAGEMENT LLC	9,394,5939.4M	$3M	4.00%	NEW†
5	ARCH Venture Management, LLC	8,055,9168.1M	$3M	3.43%	—
6	Octagon Capital Advisors LP	7,750,0007.8M	$3M	3.30%	TRIM -44%
7	SAMSARA BIOCAPITAL, LLC	7,222,5597.2M	$2M	3.08%	—
8	Balyasny Asset Management L.P.	5,922,2985.9M	$2M	2.52%	ADD 290%
9	ACADIAN ASSET MANAGEMENT LLC	5,277,9045.3M	$2M	2.25%	ADD 19%
10	Siren, L.L.C.	5,208,9685.2M	$2M	2.22%	—
11	683 Capital Management, LLC	5,000,0005.0M	$2M	2.13%	TRIM -4%
12	HHLR ADVISORS, LTD.tracked	4,974,0415.0M	$2M	2.12%	—
13	GEODE CAPITAL MANAGEMENT, LLC	4,939,6914.9M	$2M	2.10%	—
14	Qube Research & Technologies Ltd	4,917,7634.9M	$2M	2.10%	ADD 810%
15	TWO SIGMA INVESTMENTS, LP	4,780,8514.8M	$2M	2.04%	ADD 41%
16	STATE STREET CORP	4,388,1094.4M	$1M	1.87%	TRIM -53%
17	Corient Private Wealth LLC	3,985,3834.0M	$1M	1.70%	TRIM -48%
18	Squarepoint Ops LLC	3,398,7573.4M	$1M	1.45%	ADD 1434%
19	GSA CAPITAL PARTNERS LLP	3,254,2333.3M	$1M	1.39%	ADD 6175%
20	BANK OF AMERICA CORP /DE/	3,173,7253.2M	$1M	1.35%	ADD 66%
21	BARCLAYS PLC	3,065,8063.1M	$1M	1.31%	ADD 432%
22	VANGUARD PORTFOLIO MANAGEMENT LLC	2,161,0792.2M	$710,995	0.92%	NEW
23	Alyeska Investment Group, L.P.	2,051,4422.1M	$673,899	0.87%	ADD 126%
24	UBS Group AG	1,883,5831.9M	$619,699	0.80%	ADD 6%
25	ALLIANCEBERNSTEIN L.P.	190,220190,220	$589,682	0.08%	—
26	Ensign Peak Advisors, Inc	1,702,1251.7M	$559,148	0.73%	NEW
27	JACOBS LEVY EQUITY MANAGEMENT, INC	1,695,1591.7M	$556,860	0.72%	TRIM -22%
28	Rock Springs Capital Management LP	1,609,4921.6M	$528,718	0.69%	TRIM -51%
29	MACKENZIE FINANCIAL CORP	1,536,9231.5M	$504,879	0.65%	ADD 402%
30	MB Generational Wealth, LLC	1,532,1421.5M	$503,309	0.65%	TRIM -5%
31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1,510,0761.5M	$496,060	0.64%	TRIM -10%
32	NORTHERN TRUST CORP	1,408,9601.4M	$462,843	0.60%	—
33	VANGUARD FIDUCIARY TRUST CO	1,404,2851.4M	$462,010	0.60%	NEW
34	DEUTSCHE BANK AG\	1,305,8861.3M	$430,942	0.56%	—
35	RENAISSANCE TECHNOLOGIES LLC	1,217,8681.2M	$400,070	0.52%	ADD 85%
36	GOLDMAN SACHS GROUP INC	1,180,5441.2M	$387,809	0.50%	TRIM -34%
37	NEA Management Company, LLC	1,000,0001.0M	$328,500	0.43%	TRIM -94%
38	VOYA INVESTMENT MANAGEMENT LLC	866,615866,615	$284,683	0.37%	ADD 2274%
39	Hennion & Walsh Asset Management, Inc.	828,719828,719	$272,234	0.35%	ADD 27%
40	Ishara Investments LP	820,000820,000	$269,370	0.35%	NEW
41	XTX Topco Ltd	679,125679,125	$223,093	0.29%	ADD 49%
42	Connor, Clark & Lunn Investment Management Ltd.	658,221658,221	$216,226	0.28%	ADD 25%
43	SMITH, MOORE & CO.	470,000470,000	$154,395	0.20%	ADD 68%
44	PANAGORA ASSET MANAGEMENT INC	469,946469,946	$154,377	0.20%	ADD 219%
45	Invesco Ltd.	464,968464,968	$152,742	0.20%	TRIM -3%
46	Bank of New York Mellon Corp	428,241428,241	$140,677	0.18%	TRIM -4%
47	Mariner, LLC	418,404418,404	$137,446	0.18%	ADD 549%
48	IEQ CAPITAL, LLC	393,739393,739	$129,343	0.17%	ADD 3412%
49	D. E. Shaw & Co., Inc.	389,431389,431	$127,928	0.17%	ADD 96%
50	LPL Financial LLC	371,734371,734	$122,115	0.16%	ADD 4%
51	MORGAN STANLEY	367,378367,378	$120,684	0.16%	TRIM -60%
52	CWM, LLC	319,995319,995	$105,118	0.14%	ADD 842%
53	ADAR1 Capital Management, LLC	287,531287,531	$94,454	0.12%	ADD 35%
54	Virtu Financial LLC	263,212263,212	$86,000	0.11%	NEW
55	CHOREO, LLC	250,111250,111	$82,161	0.11%	ADD 233%
56	RHUMBLINE ADVISERS	216,396216,396	$71,187	0.09%	—
57	MERCER GLOBAL ADVISORS INC /ADV	189,328189,328	$62,194	0.08%	ADD 689%
58	MILLENNIUM MANAGEMENT LLC	187,418187,418	$61,567	0.08%	TRIM -95%
59	Merit Financial Group, LLC	154,441154,441	$50,734	0.07%	—
60	Russell Investments Group, Ltd.	145,272145,272	$47,719	0.06%	TRIM -15%
61	SUSQUEHANNA INTERNATIONAL GROUP, LLP	135,773135,773	$44,601	0.06%	ADD 53%
62	PRICE T ROWE ASSOCIATES INC /MD/	132,026132,026	$44,000	0.06%	ADD 17%
63	Nuveen, LLC	132,894132,894	$43,656	0.06%	TRIM -57%
64	LOS ANGELES CAPITAL MANAGEMENT LLC	131,216131,216	$43,105	0.06%	NEW
65	SG Americas Securities, LLC	128,568128,568	$42,000	0.05%	ADD 73%
66	Creative Planning	125,627125,627	$41,268	0.05%	ADD 175%
67	TUDOR INVESTMENT CORP ET AL	115,237115,237	$37,855	0.05%	ADD 130%
68	HSBC HOLDINGS PLC	113,943113,943	$37,806	0.05%	NEW
69	NINE MASTS CAPITAL Ltd	114,766114,766	$37,701	0.05%	NEW
70	COMMONWEALTH EQUITY SERVICES, LLC	109,978109,978	$36,130	0.05%	ADD 40%
71	Rockefeller Capital Management L.P.	107,615107,615	$35,352	0.05%	ADD 77%
72	VICTORY CAPITAL MANAGEMENT INC	107,141107,141	$35,196	0.05%	—
73	BCV Asset Management Inc.	106,500106,500	$35,037	0.05%	NEW
74	Cerity Partners LLC	106,519106,519	$34,992	0.05%	ADD 234%
75	Quarry LP	100,000100,000	$32,850	0.04%	NEW
76	BNP PARIBAS FINANCIAL MARKETS	95,60695,606	$31,407	0.04%	ADD 7%
77	Sivia Capital Partners, LLC	91,67991,679	$30,117	0.04%	ADD 162%
78	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	91,41891,418	$30,031	0.04%	TRIM -15%
79	Sequoia Financial Advisors, LLC	90,57090,570	$29,753	0.04%	ADD 2%
80	JPMORGAN CHASE & CO	92,69092,690	$29,661	0.04%	TRIM -78%
81	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	103,443103,443	$29,140	0.04%	ADD 332%
82	GROUP ONE TRADING LLC	83,59583,595	$27,461	0.04%	NEW
83	Vanguard Global Advisers, LLC	79,68279,682	$26,215	0.03%	NEW
84	WELLS FARGO & COMPANY/MN	76,26476,264	$25,053	0.03%	TRIM -79%
85	Virtus Investment Advisers, LLC	75,74675,746	$24,883	0.03%	ADD 3%
86	Chicago Partners Investment Group LLC	62,48962,489	$24,365	0.03%	NEW
87	Focus Partners Wealth	73,01373,013	$23,986	0.03%	NEW
88	Caption Management, LLC	71,28271,282	$23,416	0.03%	TRIM -5%
89	Caprock Group, LLC	70,00070,000	$22,995	0.03%	TRIM -13%
90	Velan Capital Investment Management LP	70,00070,000	$22,995	0.03%	—
91	WADDELL & ASSOCIATES, LLC	67,55267,552	$22,191	0.03%	NEW
92	HighTower Advisors, LLC	65,63065,630	$21,559	0.03%	—
93	MANUFACTURERS LIFE INSURANCE COMPANY, THE	57,92357,923	$19,028	0.02%	—
94	CAPTRUST FINANCIAL ADVISORS	57,50457,504	$18,881	0.02%	NEW
95	PRUDENTIAL FINANCIAL INC	55,92555,925	$18,371	0.02%	ADD 49%
96	INTECH INVESTMENT MANAGEMENT LLC	54,00254,002	$17,740	0.02%	TRIM -37%
97	AlphaCore Capital LLC	53,01153,011	$17,414	0.02%	ADD 101%
98	Police & Firemen's Retirement System of New Jersey	51,31451,314	$16,857	0.02%	—
99	NEW YORK STATE COMMON RETIREMENT FUND	43,60043,600	$14,323	0.02%	—
100	Cambridge Investment Research Advisors, Inc.	42,80042,800	$14,000	0.02%	TRIM -44%

† a filer this large appearing as NEW usually reflects a renamed or succeeded filing entity (the old name stops filing the same quarter) — not a brand-new position.

Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.

Holder trends· top 15 holders · shares held over 6 quarters

green added · red trimmed

Holder

2024-Q4

2025-Q1

2025-Q2

2025-Q3

2025-Q4

2026-Q1

Latest value

Kalehua Capital Management LLC

—

17.7M

$6M

BlackRock, Inc.

3.0M

3.1M

12.1M

13.8M

17.1M

16.8M

$6M

AQR CAPITAL MANAGEMENT LLC

—

647K

1.1M

10.1M

$3M

VANGUARD CAPITAL MANAGEMENT LLC

—

9.4M

$3M

ARCH Venture Management, LLC

8.1M

$3M

Octagon Capital Advisors LP

18.4M

17.1M

13.9M

7.8M

$3M

SAMSARA BIOCAPITAL, LLC

6.1M

7.2M

$2M

Balyasny Asset Management L.P.

—

289K

—

771K

1.5M

5.9M

$2M

ACADIAN ASSET MANAGEMENT LLC

5.1M

6.4M

7.1M

5.0M

4.4M

5.3M

$2M

Siren, L.L.C.

5.2M

$2M

683 Capital Management, LLC

7.0M

6.1M

6.3M

5.1M

5.2M

5.0M

$2M

HHLR ADVISORS, LTD.tracked

5.0M

$2M

GEODE CAPITAL MANAGEMENT, LLC

2.3M

4.6M

4.7M

4.9M

$2M

Qube Research & Technologies Ltd

696K

896K

250K

209K

541K

4.9M

$2M

TWO SIGMA INVESTMENTS, LP

891K

1.3M

1.7M

2.3M

3.4M

4.8M

$2M

Shares reported each quarter by the largest current holders. Green = added vs the prior filing, red = trimmed, grey = roughly held; a dash is a quarter with no 13F on file (a gap is skipped, not read as an exit). 13F is filed up to 45 days after quarter-end. Up to 40 quarters (10 years) available — use the selector above.

Institutional footprint by quarter

Line breaks are honest gaps — quarters with no 13F record, or a suppressed % — never interpolated. % of shares outstanding uses today's share count for every quarter (the only count stored).

Quarter	Holders	Shares held	% shares out	Value held
2026-Q1	182	177,240,120	75.5%	$59M
2025-Q4	195	188,827,599	80.5%	$585M
2025-Q3	164	180,295,099	76.8%	$474M
2025-Q2	123	176,909,648	75.4%	$218M
2025-Q1	118	169,622,861	72.3%	$187M
2024-Q4	105	172,099,706	73.3%	$156M
2024-Q3	100	175,482,435	74.8%	$173M
2024-Q2	94	183,662,788	78.3%	$165M

Short interest has its own tab now — open SI →

Source: SEC Form 13F — every institution manager (≥ $100M in 13F securities) reporting a long US-listed position, across ~10,250 filers over 10 years of history. 13F is long-only, US-listed, filed up to 45 days after quarter-end.

Activists & large holders· Schedule 13D/G beneficial owners · GOSS

Activists — 13D, active intent

D. E. SHAW & CO, L.P.7.1%▼ -1.2ppSCHEDULE 13D/A · Amd 2 · event 2026-07-22SEC →

34,609,565 shares · 4 reporting persons

Growth Equity Opportunities 18 VGE, LLC1.7%NEWSCHEDULE 13D/A · Amd 1 · event 2026-02-23SEC →

4,065,134 shares · 12 reporting persons

“On February 23, 2026, GEO completed open market sales as part of a series of public sales whereby GEO sold in the aggregate 17,093,034 shares of Common stock at a weighted average price of $0.3906 per share, with prices that ranged from $0.3320 to $0.6363 per share. GEO undertakes to provide to the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in the previous senten”

Large holders — 13G, passive (top 5 of 7 by % of class)

Holder

% of class

Type

As of

683 Capital Management, LLC

9.99%

Passive

2026-06-04

Institutional ownership· 13F filers holding GOSS · 2026-Q1 methodology → sources →

182 holders

% of shares outstanding held

75.5%

Shares held (13F)

177,240,120

Reporting holders

182

Top holders

largest 100 of 182 · Δ vs 2025-Q4

#	Holder	Shares	Value	% of shares out	Δ QoQ
1	Kalehua Capital Management LLC	17,708,13317.7M	$6M	7.55%	NEW†
2	BlackRock, Inc.	16,826,69516.8M	$6M	7.17%	—
3	AQR CAPITAL MANAGEMENT LLC	10,126,89710.1M	$3M	4.31%	ADD 805%
4	VANGUARD CAPITAL MANAGEMENT LLC	9,394,5939.4M	$3M	4.00%	NEW†
5	ARCH Venture Management, LLC	8,055,9168.1M	$3M	3.43%	—
6	Octagon Capital Advisors LP	7,750,0007.8M	$3M	3.30%	TRIM -44%
7	SAMSARA BIOCAPITAL, LLC	7,222,5597.2M	$2M	3.08%	—
8	Balyasny Asset Management L.P.	5,922,2985.9M	$2M	2.52%	ADD 290%
9	ACADIAN ASSET MANAGEMENT LLC	5,277,9045.3M	$2M	2.25%	ADD 19%
10	Siren, L.L.C.	5,208,9685.2M	$2M	2.22%	—
11	683 Capital Management, LLC	5,000,0005.0M	$2M	2.13%	TRIM -4%
12	HHLR ADVISORS, LTD.tracked	4,974,0415.0M	$2M	2.12%	—
13	GEODE CAPITAL MANAGEMENT, LLC	4,939,6914.9M	$2M	2.10%	—
14	Qube Research & Technologies Ltd	4,917,7634.9M	$2M	2.10%	ADD 810%
15	TWO SIGMA INVESTMENTS, LP	4,780,8514.8M	$2M	2.04%	ADD 41%
16	STATE STREET CORP	4,388,1094.4M	$1M	1.87%	TRIM -53%
17	Corient Private Wealth LLC	3,985,3834.0M	$1M	1.70%	TRIM -48%
18	Squarepoint Ops LLC	3,398,7573.4M	$1M	1.45%	ADD 1434%
19	GSA CAPITAL PARTNERS LLP	3,254,2333.3M	$1M	1.39%	ADD 6175%
20	BANK OF AMERICA CORP /DE/	3,173,7253.2M	$1M	1.35%	ADD 66%
21	BARCLAYS PLC	3,065,8063.1M	$1M	1.31%	ADD 432%
22	VANGUARD PORTFOLIO MANAGEMENT LLC	2,161,0792.2M	$710,995	0.92%	NEW
23	Alyeska Investment Group, L.P.	2,051,4422.1M	$673,899	0.87%	ADD 126%
24	UBS Group AG	1,883,5831.9M	$619,699	0.80%	ADD 6%
25	ALLIANCEBERNSTEIN L.P.	190,220190,220	$589,682	0.08%	—
26	Ensign Peak Advisors, Inc	1,702,1251.7M	$559,148	0.73%	NEW
27	JACOBS LEVY EQUITY MANAGEMENT, INC	1,695,1591.7M	$556,860	0.72%	TRIM -22%
28	Rock Springs Capital Management LP	1,609,4921.6M	$528,718	0.69%	TRIM -51%
29	MACKENZIE FINANCIAL CORP	1,536,9231.5M	$504,879	0.65%	ADD 402%
30	MB Generational Wealth, LLC	1,532,1421.5M	$503,309	0.65%	TRIM -5%
31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1,510,0761.5M	$496,060	0.64%	TRIM -10%
32	NORTHERN TRUST CORP	1,408,9601.4M	$462,843	0.60%	—
33	VANGUARD FIDUCIARY TRUST CO	1,404,2851.4M	$462,010	0.60%	NEW
34	DEUTSCHE BANK AG\	1,305,8861.3M	$430,942	0.56%	—
35	RENAISSANCE TECHNOLOGIES LLC	1,217,8681.2M	$400,070	0.52%	ADD 85%
36	GOLDMAN SACHS GROUP INC	1,180,5441.2M	$387,809	0.50%	TRIM -34%
37	NEA Management Company, LLC	1,000,0001.0M	$328,500	0.43%	TRIM -94%
38	VOYA INVESTMENT MANAGEMENT LLC	866,615866,615	$284,683	0.37%	ADD 2274%
39	Hennion & Walsh Asset Management, Inc.	828,719828,719	$272,234	0.35%	ADD 27%
40	Ishara Investments LP	820,000820,000	$269,370	0.35%	NEW
41	XTX Topco Ltd	679,125679,125	$223,093	0.29%	ADD 49%
42	Connor, Clark & Lunn Investment Management Ltd.	658,221658,221	$216,226	0.28%	ADD 25%
43	SMITH, MOORE & CO.	470,000470,000	$154,395	0.20%	ADD 68%
44	PANAGORA ASSET MANAGEMENT INC	469,946469,946	$154,377	0.20%	ADD 219%
45	Invesco Ltd.	464,968464,968	$152,742	0.20%	TRIM -3%
46	Bank of New York Mellon Corp	428,241428,241	$140,677	0.18%	TRIM -4%
47	Mariner, LLC	418,404418,404	$137,446	0.18%	ADD 549%
48	IEQ CAPITAL, LLC	393,739393,739	$129,343	0.17%	ADD 3412%
49	D. E. Shaw & Co., Inc.	389,431389,431	$127,928	0.17%	ADD 96%
50	LPL Financial LLC	371,734371,734	$122,115	0.16%	ADD 4%
51	MORGAN STANLEY	367,378367,378	$120,684	0.16%	TRIM -60%
52	CWM, LLC	319,995319,995	$105,118	0.14%	ADD 842%
53	ADAR1 Capital Management, LLC	287,531287,531	$94,454	0.12%	ADD 35%
54	Virtu Financial LLC	263,212263,212	$86,000	0.11%	NEW
55	CHOREO, LLC	250,111250,111	$82,161	0.11%	ADD 233%
56	RHUMBLINE ADVISERS	216,396216,396	$71,187	0.09%	—
57	MERCER GLOBAL ADVISORS INC /ADV	189,328189,328	$62,194	0.08%	ADD 689%
58	MILLENNIUM MANAGEMENT LLC	187,418187,418	$61,567	0.08%	TRIM -95%
59	Merit Financial Group, LLC	154,441154,441	$50,734	0.07%	—
60	Russell Investments Group, Ltd.	145,272145,272	$47,719	0.06%	TRIM -15%
61	SUSQUEHANNA INTERNATIONAL GROUP, LLP	135,773135,773	$44,601	0.06%	ADD 53%
62	PRICE T ROWE ASSOCIATES INC /MD/	132,026132,026	$44,000	0.06%	ADD 17%
63	Nuveen, LLC	132,894132,894	$43,656	0.06%	TRIM -57%
64	LOS ANGELES CAPITAL MANAGEMENT LLC	131,216131,216	$43,105	0.06%	NEW
65	SG Americas Securities, LLC	128,568128,568	$42,000	0.05%	ADD 73%
66	Creative Planning	125,627125,627	$41,268	0.05%	ADD 175%
67	TUDOR INVESTMENT CORP ET AL	115,237115,237	$37,855	0.05%	ADD 130%
68	HSBC HOLDINGS PLC	113,943113,943	$37,806	0.05%	NEW
69	NINE MASTS CAPITAL Ltd	114,766114,766	$37,701	0.05%	NEW
70	COMMONWEALTH EQUITY SERVICES, LLC	109,978109,978	$36,130	0.05%	ADD 40%
71	Rockefeller Capital Management L.P.	107,615107,615	$35,352	0.05%	ADD 77%
72	VICTORY CAPITAL MANAGEMENT INC	107,141107,141	$35,196	0.05%	—
73	BCV Asset Management Inc.	106,500106,500	$35,037	0.05%	NEW
74	Cerity Partners LLC	106,519106,519	$34,992	0.05%	ADD 234%
75	Quarry LP	100,000100,000	$32,850	0.04%	NEW
76	BNP PARIBAS FINANCIAL MARKETS	95,60695,606	$31,407	0.04%	ADD 7%
77	Sivia Capital Partners, LLC	91,67991,679	$30,117	0.04%	ADD 162%
78	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	91,41891,418	$30,031	0.04%	TRIM -15%
79	Sequoia Financial Advisors, LLC	90,57090,570	$29,753	0.04%	ADD 2%
80	JPMORGAN CHASE & CO	92,69092,690	$29,661	0.04%	TRIM -78%
81	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	103,443103,443	$29,140	0.04%	ADD 332%
82	GROUP ONE TRADING LLC	83,59583,595	$27,461	0.04%	NEW
83	Vanguard Global Advisers, LLC	79,68279,682	$26,215	0.03%	NEW
84	WELLS FARGO & COMPANY/MN	76,26476,264	$25,053	0.03%	TRIM -79%
85	Virtus Investment Advisers, LLC	75,74675,746	$24,883	0.03%	ADD 3%
86	Chicago Partners Investment Group LLC	62,48962,489	$24,365	0.03%	NEW
87	Focus Partners Wealth	73,01373,013	$23,986	0.03%	NEW
88	Caption Management, LLC	71,28271,282	$23,416	0.03%	TRIM -5%
89	Caprock Group, LLC	70,00070,000	$22,995	0.03%	TRIM -13%
90	Velan Capital Investment Management LP	70,00070,000	$22,995	0.03%	—
91	WADDELL & ASSOCIATES, LLC	67,55267,552	$22,191	0.03%	NEW
92	HighTower Advisors, LLC	65,63065,630	$21,559	0.03%	—
93	MANUFACTURERS LIFE INSURANCE COMPANY, THE	57,92357,923	$19,028	0.02%	—
94	CAPTRUST FINANCIAL ADVISORS	57,50457,504	$18,881	0.02%	NEW
95	PRUDENTIAL FINANCIAL INC	55,92555,925	$18,371	0.02%	ADD 49%
96	INTECH INVESTMENT MANAGEMENT LLC	54,00254,002	$17,740	0.02%	TRIM -37%
97	AlphaCore Capital LLC	53,01153,011	$17,414	0.02%	ADD 101%
98	Police & Firemen's Retirement System of New Jersey	51,31451,314	$16,857	0.02%	—
99	NEW YORK STATE COMMON RETIREMENT FUND	43,60043,600	$14,323	0.02%	—
100	Cambridge Investment Research Advisors, Inc.	42,80042,800	$14,000	0.02%	TRIM -44%

† a filer this large appearing as NEW usually reflects a renamed or succeeded filing entity (the old name stops filing the same quarter) — not a brand-new position.

Rows rank by the value each filer reported — 13F filers price their own positions, so a holder with fewer shares can rank just above one with more.

Holder trends· top 15 holders · shares held over 6 quarters

green added · red trimmed

Holder

2024-Q4

2025-Q1

2025-Q2

2025-Q3

2025-Q4

2026-Q1

Latest value

Kalehua Capital Management LLC

—

17.7M

$6M

BlackRock, Inc.

3.0M

3.1M

12.1M

13.8M

17.1M

16.8M

$6M

AQR CAPITAL MANAGEMENT LLC

—

647K

1.1M

10.1M

$3M

VANGUARD CAPITAL MANAGEMENT LLC

—

9.4M

$3M

ARCH Venture Management, LLC

8.1M

$3M

Octagon Capital Advisors LP

18.4M

17.1M

13.9M

7.8M

$3M

SAMSARA BIOCAPITAL, LLC

6.1M

7.2M

$2M

Balyasny Asset Management L.P.

—

289K

—

771K

1.5M

5.9M

$2M

ACADIAN ASSET MANAGEMENT LLC

5.1M

6.4M

7.1M

5.0M

4.4M

5.3M

$2M

Siren, L.L.C.

5.2M

$2M

683 Capital Management, LLC

7.0M

6.1M

6.3M

5.1M

5.2M

5.0M

$2M

HHLR ADVISORS, LTD.tracked

5.0M

$2M

GEODE CAPITAL MANAGEMENT, LLC

2.3M

4.6M

4.7M

4.9M

$2M

Qube Research & Technologies Ltd

696K

896K

250K

209K

541K

4.9M

$2M

TWO SIGMA INVESTMENTS, LP

891K

1.3M

1.7M

2.3M

3.4M

4.8M

$2M

Institutional footprint by quarter

Line breaks are honest gaps — quarters with no 13F record, or a suppressed % — never interpolated. % of shares outstanding uses today's share count for every quarter (the only count stored).

Quarter	Holders	Shares held	% shares out	Value held
2026-Q1	182	177,240,120	75.5%	$59M
2025-Q4	195	188,827,599	80.5%	$585M
2025-Q3	164	180,295,099	76.8%	$474M
2025-Q2	123	176,909,648	75.4%	$218M
2025-Q1	118	169,622,861	72.3%	$187M
2024-Q4	105	172,099,706	73.3%	$156M
2024-Q3	100	175,482,435	74.8%	$173M
2024-Q2	94	183,662,788	78.3%	$165M

Short interest has its own tab now — open SI →

Activists & large holders· Schedule 13D/G beneficial owners · GOSS

Activists — 13D, active intent

D. E. SHAW & CO, L.P.7.1%▼ -1.2ppSCHEDULE 13D/A · Amd 2 · event 2026-07-22SEC →

34,609,565 shares · 4 reporting persons

Growth Equity Opportunities 18 VGE, LLC1.7%NEWSCHEDULE 13D/A · Amd 1 · event 2026-02-23SEC →

4,065,134 shares · 12 reporting persons

Large holders — 13G, passive (top 5 of 7 by % of class)

Holder

% of class

Type

As of

683 Capital Management, LLC

9.99%

Passive

2026-06-04

GOSS US Equity☆

Institutional ownership· 13F filers holding GOSS · 2026-Q1 methodology → sources →

Top holders

Holder trends· top 15 holders · shares held over 6 quarters

Institutional footprint by quarter

Activists & large holders· Schedule 13D/G beneficial owners · GOSS

Institutional ownership· 13F filers holding GOSS · 2026-Q1 methodology → sources →

Top holders

Holder trends· top 15 holders · shares held over 6 quarters

Institutional footprint by quarter

Activists & large holders· Schedule 13D/G beneficial owners · GOSS

GOSS US Equity