ETON · Eton Pharmaceuticals, Inc. · Holdings

$55.10 +0.33 (+0.60%) At close · Oct 7

Russell 2000 member Rebalance outlook locked

Market Cap

$1.59B

28.58M

Volume · Oct 7 774.73K Avg daily vol (3M) 597.26K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.

The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.

Quarter:

Holders: 165

Total Value: $730,494,069

Total Shares: 20,167,500

Showing 1–100 of 170 holdings by value · page 1 of 2

Institutional Ownership Trend

27 quarters

Superinvestors Holding ETON

All superinvestors →

Joel Greenblatt $578,548

Holder Concentration

Across 164 13F filers

Top Holder

14.2%

of institutional value

Top 5

45.0%

of institutional value

Top 10

60.5%

of institutional value

HHI

549

Broadly held

Showing 100 of 170

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Opaleye Management Inc.

$103,532,000

14.17%

2,860,000

EcoR1 Capital, LLC

$78,624,155

10.76%

2,171,938

BlackRock, Inc.

$68,629,150

9.39%

1,895,833

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	14,065	$509,153	0.7%	Sole
BlackRock Asset Management Canada Ltd	229	$8,289	0.0%	Sole
BlackRock Investment Management, LLC	79,017	$2,860,415	4.2%	Sole
BLACKROCK ADVISORS LLC	59,243	$2,144,596	3.1%	Sole
BlackRock Fund Advisors	1,082,173	$39,174,662	57.1%	Sole
BlackRock Institutional Trust Company, N.A.	627,178	$22,703,843	33.1%	Sole
BlackRock Investment Management (UK) Ltd.	124	$4,488	0.0%	Sole
BlackRock Asset Management Ireland Ltd	20,626	$746,661	1.1%	Sole
Aperio Group, LLC	13,178	$477,043	0.7%	Sole

Nantahala Capital Management, LLC

$42,569,426

5.83%

1,175,951

VANGUARD CAPITAL MANAGEMENT LLC

$35,351,834

4.84%

976,570

MORGAN STANLEY

$27,800,585

3.81%

767,972

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	1,360	$49,232	0.2%	Defined
MORGAN STANLEY & CO. LLC	207,662	$7,517,364	27.0%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	409,361	$14,818,868	53.3%	Defined
MORGAN STANLEY SMITH BARNEY LLC	132,647	$4,801,821	17.3%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	16,942	$613,300	2.2%	Defined

STATE STREET CORP

$25,404,653

3.48%

701,786

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS EUROPE LIMITED joint	701,786	$25,404,653	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$23,613,368

3.23%

652,303

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	89,961	$3,256,588	13.8%	Defined
Held directly	562,342	$20,356,780	86.2%	Defined

OBERWEIS ASSET MANAGEMENT INC/

$18,157,920

2.49%

501,600

National Philanthropic Trust

$17,814,454

2.44%

492,112

Westside Investment Management, Inc.

$15,607,992

2.14%

431,160

Pillsbury Lake Capital LLC

$14,015,083

1.92%

387,157

Nuveen, LLC

$13,600,593

1.86%

375,707

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	7,537	$272,839	2.0%	Defined
TIAA CREF INVESTMENT MANAGEMENT LLC joint	47,120	$1,705,744	12.5%	Defined
TEACHERS ADVISORS, LLC joint	321,050	$11,622,010	85.5%	Defined

BNP PARIBAS ARBITRAGE, SA

$11,673,269

1.60%

322,466

Woodline Partners LP

$11,253,819

1.54%

310,879

THOMPSON SIEGEL & WALMSLEY LLC

$10,759,798

1.47%

297,232

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Perpetual Ltd	297,232	$10,759,798	100.0%	Defined

NORTHERN TRUST CORP

$9,261,733

1.27%

255,849

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	224,421	$8,124,040	87.7%	Defined
NORTHERN TRUST GLOBAL INVESTMENTS LTD	27,232	$985,798	10.6%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	4,196	$151,895	1.6%	Other

MARSHALL WACE, LLP

$9,020,388

1.23%

249,182

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	249,182	$9,020,388	100.0%	Other

Panoramic Capital, LLC

$7,536,550

1.03%

208,192

VANGUARD PORTFOLIO MANAGEMENT LLC

$7,044,194

0.96%

194,591

JPMORGAN CHASE & CO

$6,937,186

0.95%

191,635

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	11,069	$400,697	5.8%	Defined
J.P. Morgan Investment Management Inc.	14,565	$527,253	7.6%	Defined
J.P. Morgan Securities LLC	163,831	$5,930,682	85.5%	Defined
J.P. Morgan Securities plc	2,170	$78,554	1.1%	Defined

D. E. Shaw & Co., Inc.

$6,821,962

0.93%

188,452

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	180,452	$6,532,362	95.8%	Defined
D. E. Shaw Investment Management, L.L.C. joint	8,000	$289,600	4.2%	Defined

JANE STREET GROUP, LLC

$6,722,230

0.92%

185,697

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	39,444	$1,427,872	21.2%	Defined
Jane Street Global Trading, LLC	146,253	$5,294,358	78.8%	Defined

Lumbard & Kellner, LLC

$6,367,905

0.87%

175,909

CANNELL CAPITAL LLC

$6,181,041

0.85%

170,747

NORGES BANK

$6,135,900

0.84%

169,500

VANGUARD FIDUCIARY TRUST CO

$6,101,111

0.84%

168,539

Informed Momentum Co LLC

$5,721,229

0.78%

158,045

Prospect Capital Advisors, LLC

$5,690,640

0.78%

157,200

Aristides Capital LLC

$5,263,842

0.72%

145,410

BANK OF AMERICA CORP /DE/

$5,149,702

0.70%

142,257

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	129,214	$4,677,546	90.8%	Defined
BOFA SECURITIES, INC.	13,043	$472,156	9.2%	Defined

PRELUDE CAPITAL MANAGEMENT, LLC

$4,980,106

0.68%

137,572

GOLDMAN SACHS GROUP INC

$4,799,504

0.66%

132,583

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	69,980	$2,533,276	52.8%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	62,603	$2,266,228	47.2%	Defined

Bank of New York Mellon Corp

$4,280,612

0.59%

118,249

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	15,576	$563,851	13.2%	Defined
The Bank of New York Mellon	44,614	$1,615,026	37.7%	Defined
BNY Mellon, NA joint	120	$4,344	0.1%	Defined
Newton Investment Management North America, LLC	57,938	$2,097,355	49.0%	Defined
Held directly	1	$36	0.0%	Defined

TWO SIGMA INVESTMENTS, LP

$4,209,734

0.58%

116,291

WELLS FARGO & COMPANY/MN

$4,150,510

0.57%

114,655

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	95,902	$3,471,652	83.6%	Defined
WELLS FARGO CLEARING SERVICES, LLC	18,511	$670,098	16.1%	Defined
Wells Fargo Securities, LLC	242	$8,760	0.2%	Defined

WASATCH ADVISORS LP

$3,357,260

0.46%

92,742

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	92,742	$3,357,260	100.0%	Sole

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$3,232,660

0.44%

89,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	89,300	$3,232,660	100.0%	Other

Bridge City Capital, LLC

$3,190,378

0.44%

88,132

Walleye Capital LLC

$3,122,213

0.43%

86,249

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$2,788,558

0.38%

77,032

WELLINGTON MANAGEMENT GROUP LLP

$2,754,927

0.38%

76,103

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management Company LLP	24,639	$891,931	32.4%	Defined
Wellington Trust Company, NA joint	48,077	$1,740,387	63.2%	Defined
Wellington Management Australia Pty Ltd	3,387	$122,609	4.5%	Defined

Diametric Capital, LP

$2,646,256

0.36%

73,101

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Thakore Nainoor	73,101	$2,646,256	100.0%	Defined

Numerai GP LLC

$2,538,126

0.35%

70,114

UBS Group AG

$2,368,347

0.32%

65,424

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	8	$289	0.0%	Defined
UBS AG	23,189	$839,441	35.4%	Defined
UBS Europe SE	38,600	$1,397,320	59.0%	Defined
UBS Securities LLC	3,627	$131,297	5.5%	Defined

Squarepoint Ops LLC

$2,156,144

0.30%

59,562

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	59,562	$2,156,144	100.0%	Defined

BOOTHBAY FUND MANAGEMENT, LLC

$2,082,079

0.29%

57,516

BARCLAYS PLC

$2,033,752

0.28%

56,181

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	55,005	$1,991,181	97.9%	Defined
BARCLAYS CAPITAL INC.	1,176	$42,571	2.1%	Defined

HighTower Advisors, LLC

$1,915,233

0.26%

52,907

RENAISSANCE TECHNOLOGIES LLC

$1,893,260

0.26%

52,300

CITADEL ADVISORS LLC

$1,772,677

0.24%

48,969

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	37,591	$1,360,794	76.8%	Defined
Held directly	11,378	$411,883	23.2%	Defined

POLEN CAPITAL MANAGEMENT LLC

$1,642,719

0.22%

45,379

Point72 Asset Management, L.P.

$1,626,031

0.22%

44,918

Aquatic Capital Management LLC

$1,585,342

0.22%

43,794

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,571,080

0.22%

43,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	43,400	$1,571,080	100.0%	Other

DIMENSIONAL FUND ADVISORS LP

$1,537,920

0.21%

42,484

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Ireland Ltd	1,021	$36,960	2.4%	Defined
Held directly	41,463	$1,500,960	97.6%	Sole

HSBC HOLDINGS PLC

$1,483,258

0.20%

40,974

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	40,974	$1,483,258	100.0%	Defined

ANCHOR CAPITAL ADVISORS LLC

$1,470,407

0.20%

40,619

JUNCTURE WEALTH STRATEGIES, LLC

$1,440,587

0.20%

27,978

CITADEL ADVISORS LLC

$1,317,680

0.18%

36,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	36,400	$1,317,680	100.0%	Defined

SEI INVESTMENTS CO

$1,256,067

0.17%

34,698

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	34,698	$1,256,067	100.0%	Sole

Jefferies Financial Group Inc.

$1,231,777

0.17%

34,027

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jefferies Financial Services, Inc.	34,027	$1,231,777	100.0%	Defined

RHUMBLINE ADVISERS

$1,220,048

0.17%

33,703

Y-Intercept (Hong Kong) Ltd

$1,214,220

0.17%

33,542

Invesco Ltd.

$1,208,500

0.17%

33,384

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	3,845	$139,189	11.5%	Defined
Invesco Trust Co joint	10,663	$386,000	31.9%	Defined
Invesco Capital Management LLC	18,876	$683,311	56.5%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$1,186,599

0.16%

32,779

BLAIR WILLIAM & CO/IL

$1,173,567

0.16%

32,419

Riggs Asset Managment Co. Inc.

$1,160,065

0.16%

32,046

Sigma Planning Corp

$1,086,000

0.15%

30,000

AMERICAN CENTURY COMPANIES INC

$1,054,325

0.14%

29,125

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	29,125	$1,054,325	100.0%	Defined

ALLIANCEBERNSTEIN L.P.

$1,022,650

0.14%

28,250

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	28,250	$1,022,650	100.0%	Defined

DEUTSCHE BANK AG\

$960,096

0.13%

26,522

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	472	$17,086	1.8%	Defined
DWS Investments UK Ltd	26,050	$943,010	98.2%	Defined

STRS OHIO

$854,320

0.12%

23,600

Guilbault Capital LLC

$849,252

0.12%

23,460

PRICE T ROWE ASSOCIATES INC /MD/

$793,938

0.11%

21,932

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	21,932	$793,938	100.0%	Defined

JANE STREET GROUP, LLC

$785,540

0.11%

21,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	21,700	$785,540	100.0%	Defined

PRUDENTIAL FINANCIAL INC

$765,014

0.10%

21,133

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PGIM Quantitative Solutions LLC	19,433	$703,474	92.0%	Defined
Prudential Trust Co	1,700	$61,540	8.0%	Defined

CITIGROUP INC

$758,461

0.10%

20,952

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	20,952	$758,461	100.0%	Defined

ESSEX INVESTMENT MANAGEMENT CO LLC

$728,742

0.10%

20,131

STATE OF WISCONSIN INVESTMENT BOARD

$707,492

0.10%

19,544

FIRST TRUST ADVISORS LP

$705,067

0.10%

19,477

NAVELLIER & ASSOCIATES INC

$651,962

0.09%

18,010

BANK OF NOVA SCOTIA

$622,640

0.09%

17,200

CHICAGO TRUST Co NA

$604,540

0.08%

16,700

Man Group plc

$584,702

0.08%

16,152

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	16,152	$584,702	100.0%	Defined

Gotham Asset Management, LLC

$578,548

0.08%

15,982

LOS ANGELES CAPITAL MANAGEMENT LLC

$567,435

0.08%

15,675

MetLife Investment Management, LLC

$567,362

0.08%

15,673

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	15,673	$567,362	100.0%	Defined

ACADIAN ASSET MANAGEMENT LLC

$543,470

0.07%

15,013

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	15,013	$543,470	100.0%	Defined

PDT Partners, LLC

$539,054

0.07%

14,891

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$525,081

0.07%

14,505

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	14,505	$525,081	100.0%	Other

Vanguard Global Advisers, LLC

$512,773

0.07%

14,165

LPL Financial LLC

$507,415

0.07%

14,017

Connor, Clark & Lunn Investment Management Ltd.

$476,030

0.07%

13,150

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	13,150	$476,030	100.0%	Sole

JANE STREET GROUP, LLC

$452,500

0.06%

12,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	12,500	$452,500	100.0%	Defined

RAYMOND JAMES FINANCIAL INC

$450,472

0.06%

12,444

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	10,944	$396,172	87.9%	Defined
Raymond James Financial Services Advisors, Inc.	1,500	$54,300	12.1%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$445,115

0.06%

12,296

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	12,296	$445,115	100.0%	Defined

Legato Capital Management LLC

$417,060

0.06%

11,521

Quantum Private Wealth, LLC

$416,300

0.06%

11,500

Menard Financial Group LLC

$385,240

0.05%

10,642

Key facts CIK 1710340 CUSIP 29772L108 13F (30d) 7 filings 7 filers Visit website Investor relations