QNST US Equity

QUINSTREET, INC

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Industrials · Services-Business Services, NEC · CIK 1117297 · FYE 0630

$16.13

+0.19 (+1.19%)

USD · as of 2026-07-29 · marketstack

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

218 holders

% of shares outstanding held

92.6%

Shares held (13F)

53,200,698

Reporting holders

218

Top holders

largest 100 of 218 · Δ vs 2025-Q4

#	Holder	Shares	Value	% of shares out	Δ QoQ
1	BlackRock, Inc.	10,550,03010.6M	$127M	18.37%	—
2	Private Capital Management, LLC	4,415,4024.4M	$53M	7.69%	ADD 6%
3	VANGUARD CAPITAL MANAGEMENT LLC	2,419,2822.4M	$29M	4.21%	NEW†
4	STATE STREET CORP	2,169,0832.2M	$26M	3.78%	ADD 6%
5	AQR CAPITAL MANAGEMENT LLC	2,073,3182.1M	$25M	3.61%	ADD 114%
6	GOLDMAN SACHS GROUP INC	1,604,6741.6M	$19M	2.79%	—
7	ROYCE & ASSOCIATES LP	1,574,2931.6M	$19M	2.74%	ADD 16%
8	LAZARD ASSET MANAGEMENT LLC	1,441,1131.4M	$17M	2.51%	ADD 619%
9	GEODE CAPITAL MANAGEMENT, LLC	1,370,7861.4M	$16M	2.39%	ADD 2%
10	VANGUARD PORTFOLIO MANAGEMENT LLC	1,333,3421.3M	$16M	2.32%	NEW†
11	DIMENSIONAL FUND ADVISORS LP	1,200,3351.2M	$14M	2.09%	ADD 2%
12	JACOBS ASSET MANAGEMENT, LLC	1,134,3001.1M	$14M	1.97%	ADD 22%
13	JACOBS LEVY EQUITY MANAGEMENT, INC	946,760946,760	$11M	1.65%	ADD 37%
14	Nuveen, LLC	936,385936,385	$11M	1.63%	—
15	MORGAN STANLEY	892,639892,639	$11M	1.55%	ADD 3%
16	D. E. Shaw & Co., Inc.	892,119892,119	$11M	1.55%	TRIM -31%
17	NewEdge Wealth, LLC	889,255889,255	$11M	1.55%	TRIM -26%
18	Qube Research & Technologies Ltd	830,268830,268	$10M	1.45%	TRIM -29%
19	NORTHERN TRUST CORP	627,835627,835	$8M	1.09%	ADD 4%
20	THOMPSON SIEGEL & WALMSLEY LLC	587,499587,499	$7M	1.02%	NEW
21	Assenagon Asset Management S.A.	577,199577,199	$7M	1.00%	TRIM -65%
22	BNP PARIBAS FINANCIAL MARKETS	547,570547,570	$7M	0.95%	TRIM -10%
23	Balyasny Asset Management L.P.	538,206538,206	$6M	0.94%	TRIM -40%
24	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	529,909529,909	$6M	0.92%	ADD 3%
25	Mill Road Capital Management LLC	518,879518,879	$6M	0.90%	—
26	HEARTLAND ADVISORS INC	500,000500,000	$6M	0.87%	NEW
27	UBS Group AG	470,290470,290	$6M	0.82%	ADD 81%
28	PRINCIPAL FINANCIAL GROUP INC	408,930408,930	$5M	0.71%	ADD 51%
29	VANGUARD FIDUCIARY TRUST CO	392,806392,806	$5M	0.68%	NEW
30	MARSHALL WACE, LLP	381,511381,511	$5M	0.66%	TRIM -43%
31	RENAISSANCE TECHNOLOGIES LLC	357,000357,000	$4M	0.62%	TRIM -5%
32	NORDEA INVESTMENT MANAGEMENT AB	349,082349,082	$4M	0.61%	TRIM -4%
33	First Eagle Investment Management, LLC	349,874349,874	$4M	0.61%	ADD 40%
34	MACKENZIE FINANCIAL CORP	344,408344,408	$4M	0.60%	ADD 121%
35	Bank of New York Mellon Corp	316,277316,277	$4M	0.55%	TRIM -3%
36	Pacer Advisors, Inc.	287,970287,970	$4M	0.50%	TRIM -3%
37	Invesco Ltd.	290,929290,929	$3M	0.51%	ADD 11%
38	ALGERT GLOBAL LLC	254,120254,120	$3M	0.44%	TRIM -49%
39	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	230,187230,187	$3M	0.40%	TRIM -11%
40	BESSEMER GROUP INC	212,367212,367	$3M	0.37%	—
41	CITADEL ADVISORS LLC	207,815207,815	$2M	0.36%	ADD 4%
42	BLAIR WILLIAM & CO/IL	205,144205,144	$2M	0.36%	ADD 3%
43	Public Sector Pension Investment Board	204,385204,385	$2M	0.36%	ADD 4%
44	HRT FINANCIAL LP	193,541193,541	$2M	0.34%	TRIM -26%
45	ACADIAN ASSET MANAGEMENT LLC	182,243182,243	$2M	0.32%	TRIM -17%
46	BANK OF AMERICA CORP /DE/	179,378179,378	$2M	0.31%	ADD 58%
47	CAPTRUST FINANCIAL ADVISORS	172,205172,205	$2M	0.30%	—
48	Jackson Creek Investment Advisors LLC	171,408171,408	$2M	0.30%	ADD 91%
49	ExodusPoint Capital Management, LP	169,786169,786	$2M	0.30%	ADD 296%
50	Gillson Capital LP	161,046161,046	$2M	0.28%	TRIM -74%
51	RHUMBLINE ADVISERS	148,979148,979	$2M	0.26%	—
52	OP Asset Management Ltd	148,161148,161	$2M	0.26%	ADD 598%
53	VICTORY CAPITAL MANAGEMENT INC	146,867146,867	$2M	0.26%	ADD 101%
54	FEDERATED HERMES, INC.	141,769141,769	$2M	0.25%	ADD 118041%
55	Hillsdale Investment Management Inc.	134,400134,400	$2M	0.23%	TRIM -5%
56	Legal & General Group Plc	128,837128,837	$2M	0.22%	TRIM -7%
57	HSBC HOLDINGS PLC	124,086124,086	$2M	0.22%	TRIM -38%
58	Quantinno Capital Management LP	124,437124,437	$1M	0.22%	ADD 134%
59	Squarepoint Ops LLC	119,831119,831	$1M	0.21%	TRIM -41%
60	EQUITABLE TRUST CO	114,565114,565	$1M	0.20%	ADD 16%
61	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	112,379112,379	$1M	0.20%	ADD 4%
62	Wakefield Asset Management LLLP	109,648109,648	$1M	0.19%	NEW
63	Swiss National Bank	107,600107,600	$1M	0.19%	—
64	LOS ANGELES CAPITAL MANAGEMENT LLC	104,084104,084	$1M	0.18%	ADD 85920%
65	AMERIPRISE FINANCIAL INC	101,338101,338	$1M	0.18%	TRIM -8%
66	IEQ CAPITAL, LLC	100,089100,089	$1M	0.17%	ADD 126%
67	JPMORGAN CHASE & CO	97,94497,944	$1M	0.17%	TRIM -61%
68	BARCLAYS PLC	99,27199,271	$1M	0.17%	TRIM -45%
69	Creative Planning	89,51789,517	$1M	0.16%	ADD 158%
70	SG Americas Securities, LLC	87,12587,125	$1M	0.15%	TRIM -4%
71	Russell Investments Group, Ltd.	83,24483,244	$999,758	0.14%	TRIM -57%
72	MARTINGALE ASSET MANAGEMENT L P	81,12081,120	$974,252	0.14%	ADD 11%
73	SEGALL BRYANT & HAMILL, LLC	78,98378,983	$948,586	0.14%	NEW
74	Vanguard Global Advisers, LLC	72,16072,160	$866,642	0.13%	NEW
75	Jump Financial, LLC	69,80069,800	$838,298	0.12%	NEW
76	VOYA INVESTMENT MANAGEMENT LLC	67,19367,193	$806,988	0.12%	ADD 23%
77	Mariner, LLC	67,07867,078	$805,622	0.12%	ADD 105%
78	Aquatic Capital Management LLC	65,28365,283	$784,049	0.11%	NEW
79	Amundi	65,06665,066	$781,444	0.11%	ADD 78%
80	AMERICAN CENTURY COMPANIES INC	64,63164,631	$776,218	0.11%	ADD 195%
81	ALLIANCEBERNSTEIN L.P.	53,19553,195	$764,412	0.09%	—
82	CWM, LLC	63,37863,378	$761,170	0.11%	ADD 114%
83	Horizon Investments, LLC	59,96859,968	$720,216	0.10%	ADD 40%
84	Summit Global Investments	59,26559,265	$712,000	0.10%	ADD 32%
85	PRUDENTIAL FINANCIAL INC	58,38058,380	$701,144	0.10%	ADD 10%
86	CANADA PENSION PLAN INVESTMENT BOARD	57,10057,100	$685,771	0.10%	TRIM -17%
87	NOMURA HOLDINGS INC	55,35355,353	$664,790	0.10%	TRIM -56%
88	TEACHER RETIREMENT SYSTEM OF TEXAS	54,02354,023	$648,816	0.09%	ADD 88%
89	Cerity Partners LLC	52,89852,898	$635,305	0.09%	NEW
90	Allspring Global Investments Holdings, LLC	51,97551,975	$623,181	0.09%	ADD 12%
91	GLOBEFLEX CAPITAL L P	50,98750,987	$612,354	0.09%	NEW
92	State of Tennessee, Department of Treasury	50,69450,694	$608,835	0.09%	ADD 4%
93	DEUTSCHE BANK AG\	50,49050,490	$606,385	0.09%	ADD 13%
94	FRANKLIN RESOURCES INC	50,08550,085	$601,521	0.09%	—
95	MERCER GLOBAL ADVISORS INC /ADV	49,35349,353	$592,730	0.09%	ADD 121%
96	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	48,78948,789	$585,956	0.08%	—
97	INTECH INVESTMENT MANAGEMENT LLC	47,23447,234	$567,280	0.08%	ADD 107%
98	KLP KAPITALFORVALTNING AS	47,20047,200	$566,872	0.08%	ADD 307%
99	CANADA LIFE ASSURANCE Co	46,50546,505	$559,000	0.08%	—
100	Engineers Gate Manager LP	45,13345,133	$542,048	0.08%	TRIM -15%

† 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

BlackRock, Inc.

10.0M

10.3M

10.4M

10.7M

10.6M

$127M

Private Capital Management, LLC

4.1M

4.2M

4.4M

$53M

VANGUARD CAPITAL MANAGEMENT LLC

—

2.4M

$29M

STATE STREET CORP

2.1M

2.0M

2.2M

$26M

AQR CAPITAL MANAGEMENT LLC

124K

278K

522K

875K

967K

2.1M

$25M

GOLDMAN SACHS GROUP INC

452K

540K

451K

1.1M

1.6M

$19M

ROYCE & ASSOCIATES LP

1.4M

1.3M

1.4M

1.6M

$19M

LAZARD ASSET MANAGEMENT LLC

12K

—

200K

1.4M

$17M

GEODE CAPITAL MANAGEMENT, LLC

1.3M

1.4M

1.3M

1.4M

$16M

VANGUARD PORTFOLIO MANAGEMENT LLC

—

1.3M

$16M

DIMENSIONAL FUND ADVISORS LP

1.4M

1.2M

$14M

JACOBS ASSET MANAGEMENT, LLC

400K

494K

713K

649K

933K

1.1M

$14M

JACOBS LEVY EQUITY MANAGEMENT, INC

—

96K

306K

541K

693K

947K

$11M

Nuveen, LLC

—

292K

575K

846K

955K

936K

$11M

MORGAN STANLEY

710K

785K

961K

726K

868K

893K

$11M

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	218	53,200,698	92.6%	$639M
2025-Q4

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 · QNST

Large holders — 13G, passive (top 4 by % of class)

Holder	% of class	Type	As of
BlackRock, Inc.	14.6%	QII	2025-03-31	SEC →
THRIVENT FINANCIAL FOR LUTHERANS	4.8%	QII	2024-09-30	SEC →
VANGUARD GROUP INC	0%	QII	2026-03-13	SEC →
DRIEHAUS CAPITAL MANAGEMENT LLC	0%	QII	2025-06-30	SEC →

Source: SEC Schedule 13D/13G structured XML. 13D = active intent; 13G filers report passively (Rule 13d-1(b) QII / 13d-1(c) Passive / 13d-1(d) Exempt) and are not activists. Percent and delta are the group aggregate the filing reports. Structured 13D/G coverage begins December 2024 (SEC XML mandate).

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

218 holders

% of shares outstanding held

92.6%

Shares held (13F)

53,200,698

Reporting holders

218

Top holders

largest 100 of 218 · Δ vs 2025-Q4

#	Holder	Shares	Value	% of shares out	Δ QoQ
1	BlackRock, Inc.	10,550,03010.6M	$127M	18.37%	—
2	Private Capital Management, LLC	4,415,4024.4M	$53M	7.69%	ADD 6%
3	VANGUARD CAPITAL MANAGEMENT LLC	2,419,2822.4M	$29M	4.21%	NEW†
4	STATE STREET CORP	2,169,0832.2M	$26M	3.78%	ADD 6%
5	AQR CAPITAL MANAGEMENT LLC	2,073,3182.1M	$25M	3.61%	ADD 114%
6	GOLDMAN SACHS GROUP INC	1,604,6741.6M	$19M	2.79%	—
7	ROYCE & ASSOCIATES LP	1,574,2931.6M	$19M	2.74%	ADD 16%
8	LAZARD ASSET MANAGEMENT LLC	1,441,1131.4M	$17M	2.51%	ADD 619%
9	GEODE CAPITAL MANAGEMENT, LLC	1,370,7861.4M	$16M	2.39%	ADD 2%
10	VANGUARD PORTFOLIO MANAGEMENT LLC	1,333,3421.3M	$16M	2.32%	NEW†
11	DIMENSIONAL FUND ADVISORS LP	1,200,3351.2M	$14M	2.09%	ADD 2%
12	JACOBS ASSET MANAGEMENT, LLC	1,134,3001.1M	$14M	1.97%	ADD 22%
13	JACOBS LEVY EQUITY MANAGEMENT, INC	946,760946,760	$11M	1.65%	ADD 37%
14	Nuveen, LLC	936,385936,385	$11M	1.63%	—
15	MORGAN STANLEY	892,639892,639	$11M	1.55%	ADD 3%
16	D. E. Shaw & Co., Inc.	892,119892,119	$11M	1.55%	TRIM -31%
17	NewEdge Wealth, LLC	889,255889,255	$11M	1.55%	TRIM -26%
18	Qube Research & Technologies Ltd	830,268830,268	$10M	1.45%	TRIM -29%
19	NORTHERN TRUST CORP	627,835627,835	$8M	1.09%	ADD 4%
20	THOMPSON SIEGEL & WALMSLEY LLC	587,499587,499	$7M	1.02%	NEW
21	Assenagon Asset Management S.A.	577,199577,199	$7M	1.00%	TRIM -65%
22	BNP PARIBAS FINANCIAL MARKETS	547,570547,570	$7M	0.95%	TRIM -10%
23	Balyasny Asset Management L.P.	538,206538,206	$6M	0.94%	TRIM -40%
24	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	529,909529,909	$6M	0.92%	ADD 3%
25	Mill Road Capital Management LLC	518,879518,879	$6M	0.90%	—
26	HEARTLAND ADVISORS INC	500,000500,000	$6M	0.87%	NEW
27	UBS Group AG	470,290470,290	$6M	0.82%	ADD 81%
28	PRINCIPAL FINANCIAL GROUP INC	408,930408,930	$5M	0.71%	ADD 51%
29	VANGUARD FIDUCIARY TRUST CO	392,806392,806	$5M	0.68%	NEW
30	MARSHALL WACE, LLP	381,511381,511	$5M	0.66%	TRIM -43%
31	RENAISSANCE TECHNOLOGIES LLC	357,000357,000	$4M	0.62%	TRIM -5%
32	NORDEA INVESTMENT MANAGEMENT AB	349,082349,082	$4M	0.61%	TRIM -4%
33	First Eagle Investment Management, LLC	349,874349,874	$4M	0.61%	ADD 40%
34	MACKENZIE FINANCIAL CORP	344,408344,408	$4M	0.60%	ADD 121%
35	Bank of New York Mellon Corp	316,277316,277	$4M	0.55%	TRIM -3%
36	Pacer Advisors, Inc.	287,970287,970	$4M	0.50%	TRIM -3%
37	Invesco Ltd.	290,929290,929	$3M	0.51%	ADD 11%
38	ALGERT GLOBAL LLC	254,120254,120	$3M	0.44%	TRIM -49%
39	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	230,187230,187	$3M	0.40%	TRIM -11%
40	BESSEMER GROUP INC	212,367212,367	$3M	0.37%	—
41	CITADEL ADVISORS LLC	207,815207,815	$2M	0.36%	ADD 4%
42	BLAIR WILLIAM & CO/IL	205,144205,144	$2M	0.36%	ADD 3%
43	Public Sector Pension Investment Board	204,385204,385	$2M	0.36%	ADD 4%
44	HRT FINANCIAL LP	193,541193,541	$2M	0.34%	TRIM -26%
45	ACADIAN ASSET MANAGEMENT LLC	182,243182,243	$2M	0.32%	TRIM -17%
46	BANK OF AMERICA CORP /DE/	179,378179,378	$2M	0.31%	ADD 58%
47	CAPTRUST FINANCIAL ADVISORS	172,205172,205	$2M	0.30%	—
48	Jackson Creek Investment Advisors LLC	171,408171,408	$2M	0.30%	ADD 91%
49	ExodusPoint Capital Management, LP	169,786169,786	$2M	0.30%	ADD 296%
50	Gillson Capital LP	161,046161,046	$2M	0.28%	TRIM -74%
51	RHUMBLINE ADVISERS	148,979148,979	$2M	0.26%	—
52	OP Asset Management Ltd	148,161148,161	$2M	0.26%	ADD 598%
53	VICTORY CAPITAL MANAGEMENT INC	146,867146,867	$2M	0.26%	ADD 101%
54	FEDERATED HERMES, INC.	141,769141,769	$2M	0.25%	ADD 118041%
55	Hillsdale Investment Management Inc.	134,400134,400	$2M	0.23%	TRIM -5%
56	Legal & General Group Plc	128,837128,837	$2M	0.22%	TRIM -7%
57	HSBC HOLDINGS PLC	124,086124,086	$2M	0.22%	TRIM -38%
58	Quantinno Capital Management LP	124,437124,437	$1M	0.22%	ADD 134%
59	Squarepoint Ops LLC	119,831119,831	$1M	0.21%	TRIM -41%
60	EQUITABLE TRUST CO	114,565114,565	$1M	0.20%	ADD 16%
61	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	112,379112,379	$1M	0.20%	ADD 4%
62	Wakefield Asset Management LLLP	109,648109,648	$1M	0.19%	NEW
63	Swiss National Bank	107,600107,600	$1M	0.19%	—
64	LOS ANGELES CAPITAL MANAGEMENT LLC	104,084104,084	$1M	0.18%	ADD 85920%
65	AMERIPRISE FINANCIAL INC	101,338101,338	$1M	0.18%	TRIM -8%
66	IEQ CAPITAL, LLC	100,089100,089	$1M	0.17%	ADD 126%
67	JPMORGAN CHASE & CO	97,94497,944	$1M	0.17%	TRIM -61%
68	BARCLAYS PLC	99,27199,271	$1M	0.17%	TRIM -45%
69	Creative Planning	89,51789,517	$1M	0.16%	ADD 158%
70	SG Americas Securities, LLC	87,12587,125	$1M	0.15%	TRIM -4%
71	Russell Investments Group, Ltd.	83,24483,244	$999,758	0.14%	TRIM -57%
72	MARTINGALE ASSET MANAGEMENT L P	81,12081,120	$974,252	0.14%	ADD 11%
73	SEGALL BRYANT & HAMILL, LLC	78,98378,983	$948,586	0.14%	NEW
74	Vanguard Global Advisers, LLC	72,16072,160	$866,642	0.13%	NEW
75	Jump Financial, LLC	69,80069,800	$838,298	0.12%	NEW
76	VOYA INVESTMENT MANAGEMENT LLC	67,19367,193	$806,988	0.12%	ADD 23%
77	Mariner, LLC	67,07867,078	$805,622	0.12%	ADD 105%
78	Aquatic Capital Management LLC	65,28365,283	$784,049	0.11%	NEW
79	Amundi	65,06665,066	$781,444	0.11%	ADD 78%
80	AMERICAN CENTURY COMPANIES INC	64,63164,631	$776,218	0.11%	ADD 195%
81	ALLIANCEBERNSTEIN L.P.	53,19553,195	$764,412	0.09%	—
82	CWM, LLC	63,37863,378	$761,170	0.11%	ADD 114%
83	Horizon Investments, LLC	59,96859,968	$720,216	0.10%	ADD 40%
84	Summit Global Investments	59,26559,265	$712,000	0.10%	ADD 32%
85	PRUDENTIAL FINANCIAL INC	58,38058,380	$701,144	0.10%	ADD 10%
86	CANADA PENSION PLAN INVESTMENT BOARD	57,10057,100	$685,771	0.10%	TRIM -17%
87	NOMURA HOLDINGS INC	55,35355,353	$664,790	0.10%	TRIM -56%
88	TEACHER RETIREMENT SYSTEM OF TEXAS	54,02354,023	$648,816	0.09%	ADD 88%
89	Cerity Partners LLC	52,89852,898	$635,305	0.09%	NEW
90	Allspring Global Investments Holdings, LLC	51,97551,975	$623,181	0.09%	ADD 12%
91	GLOBEFLEX CAPITAL L P	50,98750,987	$612,354	0.09%	NEW
92	State of Tennessee, Department of Treasury	50,69450,694	$608,835	0.09%	ADD 4%
93	DEUTSCHE BANK AG\	50,49050,490	$606,385	0.09%	ADD 13%
94	FRANKLIN RESOURCES INC	50,08550,085	$601,521	0.09%	—
95	MERCER GLOBAL ADVISORS INC /ADV	49,35349,353	$592,730	0.09%	ADD 121%
96	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	48,78948,789	$585,956	0.08%	—
97	INTECH INVESTMENT MANAGEMENT LLC	47,23447,234	$567,280	0.08%	ADD 107%
98	KLP KAPITALFORVALTNING AS	47,20047,200	$566,872	0.08%	ADD 307%
99	CANADA LIFE ASSURANCE Co	46,50546,505	$559,000	0.08%	—
100	Engineers Gate Manager LP	45,13345,133	$542,048	0.08%	TRIM -15%

† 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

BlackRock, Inc.

10.0M

10.3M

10.4M

10.7M

10.6M

$127M

Private Capital Management, LLC

4.1M

4.2M

4.4M

$53M

VANGUARD CAPITAL MANAGEMENT LLC

—

2.4M

$29M

STATE STREET CORP

2.1M

2.0M

2.2M

$26M

AQR CAPITAL MANAGEMENT LLC

124K

278K

522K

875K

967K

2.1M

$25M

GOLDMAN SACHS GROUP INC

452K

540K

451K

1.1M

1.6M

$19M

ROYCE & ASSOCIATES LP

1.4M

1.3M

1.4M

1.6M

$19M

LAZARD ASSET MANAGEMENT LLC

12K

—

200K

1.4M

$17M

GEODE CAPITAL MANAGEMENT, LLC

1.3M

1.4M

1.3M

1.4M

$16M

VANGUARD PORTFOLIO MANAGEMENT LLC

—

1.3M

$16M

DIMENSIONAL FUND ADVISORS LP

1.4M

1.2M

$14M

JACOBS ASSET MANAGEMENT, LLC

400K

494K

713K

649K

933K

1.1M

$14M

JACOBS LEVY EQUITY MANAGEMENT, INC

—

96K

306K

541K

693K

947K

$11M

Nuveen, LLC

—

292K

575K

846K

955K

936K

$11M

MORGAN STANLEY

710K

785K

961K

726K

868K

893K

$11M

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	218	53,200,698	92.6%	$639M
2025-Q4

Short interest has its own tab now — open SI →

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

Large holders — 13G, passive (top 4 by % of class)

Holder	% of class	Type	As of
BlackRock, Inc.	14.6%	QII	2025-03-31	SEC →
THRIVENT FINANCIAL FOR LUTHERANS	4.8%	QII	2024-09-30	SEC →
VANGUARD GROUP INC	0%	QII	2026-03-13	SEC →
DRIEHAUS CAPITAL MANAGEMENT LLC	0%	QII	2025-06-30	SEC →

QNST US Equity☆

Institutional ownership· 13F filers holding QNST · 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 · QNST

Institutional ownership· 13F filers holding QNST · 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 · QNST

QNST US Equity