DUOL US Equity

Duolingo, Inc.

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Information Technology · Services-Prepackaged Software · CIK 1562088 · FYE 1231

$140.17

-0.56 (-0.40%)

USD · as of 2026-07-29 · marketstack

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

369 holders

% of shares outstanding held

79.4%

Shares held (13F)

38,377,499

Reporting holders

369

Top holders

largest 100 of 369 · Δ vs 2025-Q4

#	Holder	Shares	Value	% of shares out	Δ QoQ
1	BAILLIE GIFFORD & CO	4,875,8104.9M	$481M	10.09%	—
2	BlackRock, Inc.	3,986,4664.0M	$393M	8.25%	ADD 2%
3	VANGUARD CAPITAL MANAGEMENT LLC	1,723,1321.7M	$170M	3.57%	NEW†
4	VANGUARD PORTFOLIO MANAGEMENT LLC	1,632,6501.6M	$161M	3.38%	NEW†
5	FIL Ltd	1,622,8051.6M	$160M	3.36%	ADD 226%
6	TWO SIGMA INVESTMENTS, LP	1,395,5441.4M	$138M	2.89%	ADD 665%
7	BANK OF AMERICA CORP /DE/	1,332,3011.3M	$131M	2.76%	ADD 511%
8	FEDERATED HERMES, INC.	1,253,0261.3M	$124M	2.59%	ADD 1320%
9	STATE OF MICHIGAN RETIREMENT SYSTEM	1,193,3071.2M	$118M	2.47%	ADD 113%
10	STATE STREET CORP	1,183,6441.2M	$117M	2.45%	ADD 2%
11	UBS Group AG	1,098,0621.1M	$108M	2.27%	ADD 252%
12	FMR LLC	1,093,3391.1M	$108M	2.26%	TRIM -59%
13	MORGAN STANLEY	953,769953,769	$94M	1.97%	ADD 131%
14	GEODE CAPITAL MANAGEMENT, LLC	818,328818,328	$81M	1.69%	—
15	JANE STREET GROUP, LLC	671,124671,124	$66M	1.39%	ADD 40797%
16	RENAISSANCE TECHNOLOGIES LLC	603,806603,806	$60M	1.25%	ADD 91%
17	GILDER GAGNON HOWE & CO LLC	508,550508,550	$50M	1.05%	—
18	Quinn Opportunity Partners LLC	497,362497,362	$49M	1.03%	ADD 290%
19	BNP PARIBAS FINANCIAL MARKETS	483,019483,019	$48M	1.00%	ADD 1218%
20	Whale Rock Capital Management LLC	471,764471,764	$47M	0.98%	TRIM -46%
21	JPMORGAN CHASE & CO	471,345471,345	$44M	0.98%	ADD 205%
22	Amundi	449,068449,068	$44M	0.93%	ADD 1352%
23	VOLORIDGE INVESTMENT MANAGEMENT, LLC	429,335429,335	$42M	0.89%	NEW
24	Invesco Ltd.	358,179358,179	$35M	0.74%	TRIM -46%
25	GOLDMAN SACHS GROUP INC	352,451352,451	$35M	0.73%	ADD 69%
26	NORTHERN TRUST CORP	334,546334,546	$33M	0.69%	ADD 8%
27	MILLENNIUM MANAGEMENT LLC	331,384331,384	$33M	0.69%	ADD 24%
28	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	306,853306,853	$30M	0.64%	ADD 3%
29	CARNEGIE MELLON UNIVERSITY	294,814294,814	$29M	0.61%	—
30	D. E. Shaw & Co., Inc.	280,428280,428	$28M	0.58%	ADD 651%
31	CITADEL ADVISORS LLC	273,868273,868	$27M	0.57%	TRIM -14%
32	VANGUARD FIDUCIARY TRUST CO	251,778251,778	$25M	0.52%	NEW
33	Bank of New York Mellon Corp	249,634249,634	$25M	0.52%	ADD 3%
34	CITIGROUP INC	241,377241,377	$24M	0.50%	ADD 31%
35	HRT FINANCIAL LP	221,991221,991	$22M	0.46%	NEW
36	Capital International Investors	149,640149,640	$15M	0.31%	TRIM -52%
37	Voleon Capital Management LP	137,050137,050	$14M	0.28%	ADD 336%
38	AMERICAN CENTURY COMPANIES INC	130,564130,564	$13M	0.27%	ADD 16%
39	Clear Street Group Inc.	127,941127,941	$13M	0.26%	ADD 6297%
40	Trexquant Investment LP	126,504126,504	$12M	0.26%	ADD 6%
41	RHUMBLINE ADVISERS	122,546122,546	$12M	0.25%	—
42	Walleye Trading LLC	116,619116,619	$11M	0.24%	ADD 220%
43	DIMENSIONAL FUND ADVISORS LP	115,408115,408	$11M	0.24%	TRIM -38%
44	AQR CAPITAL MANAGEMENT LLC	110,048110,048	$11M	0.23%	TRIM -86%
45	Nantahala Capital Management, LLC	100,000100,000	$10M	0.21%	NEW
46	FIRST TRUST ADVISORS LP	99,43399,433	$10M	0.21%	TRIM -18%
47	CAPITAL FUND MANAGEMENT S.A.	97,93897,938	$10M	0.20%	TRIM -19%
48	TUDOR INVESTMENT CORP ET AL	94,36294,362	$9M	0.20%	NEW
49	IMC-Chicago, LLC	90,06190,061	$9M	0.19%	NEW
50	PRINCIPAL FINANCIAL GROUP INC	90,04090,040	$9M	0.19%	ADD 5%
51	Jasper Ridge Partners, L.P.	87,10887,108	$9M	0.18%	—
52	Mitsubishi UFJ Trust & Banking Corp	84,83484,834	$8M	0.18%	ADD 9%
53	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	84,46284,462	$8M	0.17%	TRIM -3%
54	ALLIANCEBERNSTEIN L.P.	47,25247,252	$8M	0.10%	TRIM -4%
55	Nuveen, LLC	80,75280,752	$8M	0.17%	ADD 9%
56	SYCOMORE ASSET MANAGEMENT	28,18428,184	$8M	0.06%	—
57	SG Americas Securities, LLC	79,23479,234	$8M	0.16%	—
58	BARCLAYS PLC	78,39278,392	$8M	0.16%	ADD 50%
59	SUSQUEHANNA INTERNATIONAL GROUP, LLP	78,11278,112	$8M	0.16%	TRIM -19%
60	Man Group plc	76,11576,115	$8M	0.16%	ADD 322%
61	Arthedge Capital Management, LLC	74,80074,800	$7M	0.15%	—
62	NATIONAL BANK OF CANADA /FI/	74,80074,800	$7M	0.15%	ADD 299100%
63	Universal- Beteiligungs- und Servicegesellschaft mbH	71,29971,299	$7M	0.15%	ADD 24%
64	Swiss National Bank	70,46070,460	$7M	0.15%	—
65	FORA Capital, LLC	68,85668,856	$7M	0.14%	NEW
66	Proem Advisors LLC	68,45068,450	$7M	0.14%	ADD 321%
67	Quadrature Capital Ltd	65,59965,599	$6M	0.14%	ADD 518%
68	TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	64,03464,034	$6M	0.13%	ADD 4%
69	USS Investment Management Ltd	63,42963,429	$6M	0.13%	NEW
70	Private Advisor Group, LLC	62,70262,702	$6M	0.13%	ADD 78%
71	CI INVESTMENTS INC.	62,58362,583	$6M	0.13%	TRIM -4%
72	Engineers Gate Manager LP	62,12362,123	$6M	0.13%	ADD 1200%
73	Edgestream Partners, L.P.	60,82760,827	$6M	0.13%	ADD 617%
74	WINTON GROUP Ltd	60,37360,373	$6M	0.12%	NEW
75	INTERCAPITAL, LLC	60,00060,000	$6M	0.12%	NEW
76	Walleye Capital LLC	59,37659,376	$6M	0.12%	TRIM -26%
77	Legal & General Group Plc	50,54650,546	$5M	0.10%	TRIM -12%
78	Retirement Systems of Alabama	49,05549,055	$5M	0.10%	ADD 2%
79	Marex Group plc	48,67848,678	$5M	0.10%	ADD 228%
80	California Public Employees Retirement System	45,79645,796	$5M	0.09%	TRIM -8%
81	VICTORY CAPITAL MANAGEMENT INC	43,96043,960	$4M	0.09%	ADD 68%
82	ExodusPoint Capital Management, LP	43,44643,446	$4M	0.09%	NEW
83	X-Square Capital, LLC	43,18643,186	$4M	0.09%	ADD 82%
84	Y-Intercept (Hong Kong) Ltd	42,86042,860	$4M	0.09%	ADD 26%
85	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	41,72041,720	$4M	0.09%	ADD 23%
86	SQUARE PEG CAPITAL PTY LTD	41,28841,288	$4M	0.09%	—
87	WORLDQUANT MILLENNIUM ADVISORS LLC	41,17141,171	$4M	0.09%	ADD 15%
88	PRICE T ROWE ASSOCIATES INC /MD/	40,58640,586	$4M	0.08%	TRIM -84%
89	Lingotto Investment Management LLP	40,04540,045	$4M	0.08%	ADD 19%
90	Gotham Asset Management, LLC	39,92539,925	$4M	0.08%	ADD 376%
91	FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A.	39,31139,311	$4M	0.08%	ADD 41%
92	LPL Financial LLC	38,12838,128	$4M	0.08%	ADD 63%
93	AMERIPRISE FINANCIAL INC	37,99037,990	$4M	0.08%	ADD 7%
94	CAXTON ASSOCIATES LLP	36,94836,948	$4M	0.08%	ADD 2526%
95	NEW YORK STATE TEACHERS RETIREMENT SYSTEM	35,72435,724	$4M	0.07%	—
96	BROWN CAPITAL MANAGEMENT LLC	35,29935,299	$3M	0.07%	TRIM -29%
97	AXQ CAPITAL, LP	33,70333,703	$3M	0.07%	ADD 123%
98	VANGUARD ASSET MANAGEMENT, Ltd	33,48333,483	$3M	0.07%	NEW
99	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	32,90932,909	$3M	0.07%	—
100	Cresset Asset Management, LLC	32,26632,266	$3M	0.07%	—

† 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

BAILLIE GIFFORD & CO

2.7M

2.5M

2.2M

2.8M

4.9M

$481M

BlackRock, Inc.

3.7M

3.6M

4.2M

3.9M

4.0M

$393M

VANGUARD CAPITAL MANAGEMENT LLC

—

1.7M

$170M

VANGUARD PORTFOLIO MANAGEMENT LLC

—

1.6M

$161M

FIL Ltd

—

498K

1.6M

$160M

TWO SIGMA INVESTMENTS, LP

93K

10K

573K

252K

182K

1.4M

$138M

BANK OF AMERICA CORP /DE/

160K

254K

225K

231K

218K

1.3M

$131M

FEDERATED HERMES, INC.

351K

251K

340K

166K

88K

1.3M

$124M

STATE OF MICHIGAN RETIREMENT SYSTEM

10K

561K

1.2M

$118M

STATE STREET CORP

1.1M

1.2M

$117M

UBS Group AG

54K

124K

170K

355K

312K

1.1M

$108M

FMR LLC

3.7M

3.6M

2.8M

3.2M

2.6M

1.1M

$108M

MORGAN STANLEY

219K

238K

286K

398K

413K

954K

$94M

GEODE CAPITAL MANAGEMENT, LLC

683K

737K

760K

792K

812K

818K

$81M

JANE STREET GROUP, LLC

66K

—

128K

71K

671K

$66M

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	369	38,377,499	79.4%	$3.8B
2025-Q4	473	38,280,257	79.2%	$6.7B
2025-Q3	545	39,383,254	81.5%	$12.7B
2025-Q2	583	38,573,894	79.8%	$15.8B
2025-Q1	470	36,879,608	76.3%	$11.5B
2024-Q4	456	36,211,590	75.0%	$11.7B
2024-Q3	388	36,511,866	75.6%	$10.2B
2024-Q2	356	36,067,803	74.7%	$7.5B
2024-Q1	336	34,813,695	72.1%	$7.7B
2023-Q4	318	33,330,748	69.0%	$7.6B
2023-Q3	241	32,659,861	67.6%

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 · DUOL

Large holders — 13G, passive (top 5 of 6 by % of class)

Holder	% of class	Type	As of
BAILLIE GIFFORD & CO	12.4%	QII	2025-10-31	SEC →
Hacker Severin	7.6%	Exempt	2025-03-31	SEC →
Durable Capital Partners LP	4.3%	QII	2025-03-31	SEC →
FMR LLC	2.7%	QII	2026-03-31	SEC →
Capital World Investors	0%	QII	2026-03-31

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

369 holders

% of shares outstanding held

79.4%

Shares held (13F)

38,377,499

Reporting holders

369

Top holders

largest 100 of 369 · Δ vs 2025-Q4

#	Holder	Shares	Value	% of shares out	Δ QoQ
1	BAILLIE GIFFORD & CO	4,875,8104.9M	$481M	10.09%	—
2	BlackRock, Inc.	3,986,4664.0M	$393M	8.25%	ADD 2%
3	VANGUARD CAPITAL MANAGEMENT LLC	1,723,1321.7M	$170M	3.57%	NEW†
4	VANGUARD PORTFOLIO MANAGEMENT LLC	1,632,6501.6M	$161M	3.38%	NEW†
5	FIL Ltd	1,622,8051.6M	$160M	3.36%	ADD 226%
6	TWO SIGMA INVESTMENTS, LP	1,395,5441.4M	$138M	2.89%	ADD 665%
7	BANK OF AMERICA CORP /DE/	1,332,3011.3M	$131M	2.76%	ADD 511%
8	FEDERATED HERMES, INC.	1,253,0261.3M	$124M	2.59%	ADD 1320%
9	STATE OF MICHIGAN RETIREMENT SYSTEM	1,193,3071.2M	$118M	2.47%	ADD 113%
10	STATE STREET CORP	1,183,6441.2M	$117M	2.45%	ADD 2%
11	UBS Group AG	1,098,0621.1M	$108M	2.27%	ADD 252%
12	FMR LLC	1,093,3391.1M	$108M	2.26%	TRIM -59%
13	MORGAN STANLEY	953,769953,769	$94M	1.97%	ADD 131%
14	GEODE CAPITAL MANAGEMENT, LLC	818,328818,328	$81M	1.69%	—
15	JANE STREET GROUP, LLC	671,124671,124	$66M	1.39%	ADD 40797%
16	RENAISSANCE TECHNOLOGIES LLC	603,806603,806	$60M	1.25%	ADD 91%
17	GILDER GAGNON HOWE & CO LLC	508,550508,550	$50M	1.05%	—
18	Quinn Opportunity Partners LLC	497,362497,362	$49M	1.03%	ADD 290%
19	BNP PARIBAS FINANCIAL MARKETS	483,019483,019	$48M	1.00%	ADD 1218%
20	Whale Rock Capital Management LLC	471,764471,764	$47M	0.98%	TRIM -46%
21	JPMORGAN CHASE & CO	471,345471,345	$44M	0.98%	ADD 205%
22	Amundi	449,068449,068	$44M	0.93%	ADD 1352%
23	VOLORIDGE INVESTMENT MANAGEMENT, LLC	429,335429,335	$42M	0.89%	NEW
24	Invesco Ltd.	358,179358,179	$35M	0.74%	TRIM -46%
25	GOLDMAN SACHS GROUP INC	352,451352,451	$35M	0.73%	ADD 69%
26	NORTHERN TRUST CORP	334,546334,546	$33M	0.69%	ADD 8%
27	MILLENNIUM MANAGEMENT LLC	331,384331,384	$33M	0.69%	ADD 24%
28	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	306,853306,853	$30M	0.64%	ADD 3%
29	CARNEGIE MELLON UNIVERSITY	294,814294,814	$29M	0.61%	—
30	D. E. Shaw & Co., Inc.	280,428280,428	$28M	0.58%	ADD 651%
31	CITADEL ADVISORS LLC	273,868273,868	$27M	0.57%	TRIM -14%
32	VANGUARD FIDUCIARY TRUST CO	251,778251,778	$25M	0.52%	NEW
33	Bank of New York Mellon Corp	249,634249,634	$25M	0.52%	ADD 3%
34	CITIGROUP INC	241,377241,377	$24M	0.50%	ADD 31%
35	HRT FINANCIAL LP	221,991221,991	$22M	0.46%	NEW
36	Capital International Investors	149,640149,640	$15M	0.31%	TRIM -52%
37	Voleon Capital Management LP	137,050137,050	$14M	0.28%	ADD 336%
38	AMERICAN CENTURY COMPANIES INC	130,564130,564	$13M	0.27%	ADD 16%
39	Clear Street Group Inc.	127,941127,941	$13M	0.26%	ADD 6297%
40	Trexquant Investment LP	126,504126,504	$12M	0.26%	ADD 6%
41	RHUMBLINE ADVISERS	122,546122,546	$12M	0.25%	—
42	Walleye Trading LLC	116,619116,619	$11M	0.24%	ADD 220%
43	DIMENSIONAL FUND ADVISORS LP	115,408115,408	$11M	0.24%	TRIM -38%
44	AQR CAPITAL MANAGEMENT LLC	110,048110,048	$11M	0.23%	TRIM -86%
45	Nantahala Capital Management, LLC	100,000100,000	$10M	0.21%	NEW
46	FIRST TRUST ADVISORS LP	99,43399,433	$10M	0.21%	TRIM -18%
47	CAPITAL FUND MANAGEMENT S.A.	97,93897,938	$10M	0.20%	TRIM -19%
48	TUDOR INVESTMENT CORP ET AL	94,36294,362	$9M	0.20%	NEW
49	IMC-Chicago, LLC	90,06190,061	$9M	0.19%	NEW
50	PRINCIPAL FINANCIAL GROUP INC	90,04090,040	$9M	0.19%	ADD 5%
51	Jasper Ridge Partners, L.P.	87,10887,108	$9M	0.18%	—
52	Mitsubishi UFJ Trust & Banking Corp	84,83484,834	$8M	0.18%	ADD 9%
53	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	84,46284,462	$8M	0.17%	TRIM -3%
54	ALLIANCEBERNSTEIN L.P.	47,25247,252	$8M	0.10%	TRIM -4%
55	Nuveen, LLC	80,75280,752	$8M	0.17%	ADD 9%
56	SYCOMORE ASSET MANAGEMENT	28,18428,184	$8M	0.06%	—
57	SG Americas Securities, LLC	79,23479,234	$8M	0.16%	—
58	BARCLAYS PLC	78,39278,392	$8M	0.16%	ADD 50%
59	SUSQUEHANNA INTERNATIONAL GROUP, LLP	78,11278,112	$8M	0.16%	TRIM -19%
60	Man Group plc	76,11576,115	$8M	0.16%	ADD 322%
61	Arthedge Capital Management, LLC	74,80074,800	$7M	0.15%	—
62	NATIONAL BANK OF CANADA /FI/	74,80074,800	$7M	0.15%	ADD 299100%
63	Universal- Beteiligungs- und Servicegesellschaft mbH	71,29971,299	$7M	0.15%	ADD 24%
64	Swiss National Bank	70,46070,460	$7M	0.15%	—
65	FORA Capital, LLC	68,85668,856	$7M	0.14%	NEW
66	Proem Advisors LLC	68,45068,450	$7M	0.14%	ADD 321%
67	Quadrature Capital Ltd	65,59965,599	$6M	0.14%	ADD 518%
68	TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY	64,03464,034	$6M	0.13%	ADD 4%
69	USS Investment Management Ltd	63,42963,429	$6M	0.13%	NEW
70	Private Advisor Group, LLC	62,70262,702	$6M	0.13%	ADD 78%
71	CI INVESTMENTS INC.	62,58362,583	$6M	0.13%	TRIM -4%
72	Engineers Gate Manager LP	62,12362,123	$6M	0.13%	ADD 1200%
73	Edgestream Partners, L.P.	60,82760,827	$6M	0.13%	ADD 617%
74	WINTON GROUP Ltd	60,37360,373	$6M	0.12%	NEW
75	INTERCAPITAL, LLC	60,00060,000	$6M	0.12%	NEW
76	Walleye Capital LLC	59,37659,376	$6M	0.12%	TRIM -26%
77	Legal & General Group Plc	50,54650,546	$5M	0.10%	TRIM -12%
78	Retirement Systems of Alabama	49,05549,055	$5M	0.10%	ADD 2%
79	Marex Group plc	48,67848,678	$5M	0.10%	ADD 228%
80	California Public Employees Retirement System	45,79645,796	$5M	0.09%	TRIM -8%
81	VICTORY CAPITAL MANAGEMENT INC	43,96043,960	$4M	0.09%	ADD 68%
82	ExodusPoint Capital Management, LP	43,44643,446	$4M	0.09%	NEW
83	X-Square Capital, LLC	43,18643,186	$4M	0.09%	ADD 82%
84	Y-Intercept (Hong Kong) Ltd	42,86042,860	$4M	0.09%	ADD 26%
85	CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	41,72041,720	$4M	0.09%	ADD 23%
86	SQUARE PEG CAPITAL PTY LTD	41,28841,288	$4M	0.09%	—
87	WORLDQUANT MILLENNIUM ADVISORS LLC	41,17141,171	$4M	0.09%	ADD 15%
88	PRICE T ROWE ASSOCIATES INC /MD/	40,58640,586	$4M	0.08%	TRIM -84%
89	Lingotto Investment Management LLP	40,04540,045	$4M	0.08%	ADD 19%
90	Gotham Asset Management, LLC	39,92539,925	$4M	0.08%	ADD 376%
91	FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A.	39,31139,311	$4M	0.08%	ADD 41%
92	LPL Financial LLC	38,12838,128	$4M	0.08%	ADD 63%
93	AMERIPRISE FINANCIAL INC	37,99037,990	$4M	0.08%	ADD 7%
94	CAXTON ASSOCIATES LLP	36,94836,948	$4M	0.08%	ADD 2526%
95	NEW YORK STATE TEACHERS RETIREMENT SYSTEM	35,72435,724	$4M	0.07%	—
96	BROWN CAPITAL MANAGEMENT LLC	35,29935,299	$3M	0.07%	TRIM -29%
97	AXQ CAPITAL, LP	33,70333,703	$3M	0.07%	ADD 123%
98	VANGUARD ASSET MANAGEMENT, Ltd	33,48333,483	$3M	0.07%	NEW
99	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	32,90932,909	$3M	0.07%	—
100	Cresset Asset Management, LLC	32,26632,266	$3M	0.07%	—

† 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

BAILLIE GIFFORD & CO

2.7M

2.5M

2.2M

2.8M

4.9M

$481M

BlackRock, Inc.

3.7M

3.6M

4.2M

3.9M

4.0M

$393M

VANGUARD CAPITAL MANAGEMENT LLC

—

1.7M

$170M

VANGUARD PORTFOLIO MANAGEMENT LLC

—

1.6M

$161M

FIL Ltd

—

498K

1.6M

$160M

TWO SIGMA INVESTMENTS, LP

93K

10K

573K

252K

182K

1.4M

$138M

BANK OF AMERICA CORP /DE/

160K

254K

225K

231K

218K

1.3M

$131M

FEDERATED HERMES, INC.

351K

251K

340K

166K

88K

1.3M

$124M

STATE OF MICHIGAN RETIREMENT SYSTEM

10K

561K

1.2M

$118M

STATE STREET CORP

1.1M

1.2M

$117M

UBS Group AG

54K

124K

170K

355K

312K

1.1M

$108M

FMR LLC

3.7M

3.6M

2.8M

3.2M

2.6M

1.1M

$108M

MORGAN STANLEY

219K

238K

286K

398K

413K

954K

$94M

GEODE CAPITAL MANAGEMENT, LLC

683K

737K

760K

792K

812K

818K

$81M

JANE STREET GROUP, LLC

66K

—

128K

71K

671K

$66M

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	369	38,377,499	79.4%	$3.8B
2025-Q4	473	38,280,257	79.2%	$6.7B
2025-Q3	545	39,383,254	81.5%	$12.7B
2025-Q2	583	38,573,894	79.8%	$15.8B
2025-Q1	470	36,879,608	76.3%	$11.5B
2024-Q4	456	36,211,590	75.0%	$11.7B
2024-Q3	388	36,511,866	75.6%	$10.2B
2024-Q2	356	36,067,803	74.7%	$7.5B
2024-Q1	336	34,813,695	72.1%	$7.7B
2023-Q4	318	33,330,748	69.0%	$7.6B
2023-Q3	241	32,659,861	67.6%

Short interest has its own tab now — open SI →

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

Large holders — 13G, passive (top 5 of 6 by % of class)

Holder	% of class	Type	As of
BAILLIE GIFFORD & CO	12.4%	QII	2025-10-31	SEC →
Hacker Severin	7.6%	Exempt	2025-03-31	SEC →
Durable Capital Partners LP	4.3%	QII	2025-03-31	SEC →
FMR LLC	2.7%	QII	2026-03-31	SEC →
Capital World Investors	0%	QII	2026-03-31

DUOL US Equity☆

Institutional ownership· 13F filers holding DUOL · 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 · DUOL

Institutional ownership· 13F filers holding DUOL · 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 · DUOL

DUOL US Equity