Who Owns Eton Pharmaceuticals, Inc. (ETON)?Hedge Fund & Institutional Holders

$18.82-0.20 (-1.08%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$3.4336000198850007e+273T

% of Float Held

8.940451666802778e+252%

QoQ Change in Holders

+11 / -3

Price History

$4.59$9.06$13.54$18.01$22.48Sep 24Jun 25Mar 26

ETON — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Westside Investment Management, Inc.New Position+471K+$8.0B
Diametric Capital, LPIncreased+94K+$1.1B
CITADEL ADVISORS LLCNew Position+74K+$1.0B
Woodline Partners LPNew Position+95K+$1.0B
BANK OF AMERICA CORP /DE/Increased+30K+$998.4M
ANCHOR CAPITAL ADVISORS LLCNew Position+41K+$687.0M
MILLENNIUM MANAGEMENT LLCIncreased+63K+$655.3M
State of WyomingNew Position+8K+$138.0M
Caitong International Asset Management Co., LtdNew Position+3K+$43.0M
Invesco Ltd.Increased+6K+$39.1M
GF FUND MANAGEMENT CO. LTD.New Position+527+$8.0M
Farther Finance Advisors, LLCNew Position+146+$2.0M
Bank of New York Mellon CorpNew Position+128K+$1.0M
BRC Group Holdings, Inc.New Position+32K+$448K
ESSEX INVESTMENT MANAGEMENT CO LLCNew Position+20K+$341K

ETON — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
ROYAL BANK OF CANADADecreased-478K-$10.4B
Divisadero Street Capital Management, LPClosed Position-298K-$6.5B
JPMORGAN CHASE & CODecreased-166K-$5.6B
TWO SIGMA INVESTMENTS, LPDecreased-210K-$5.2B
Soleus Capital Management, L.P.Closed Position-200K-$4.3B
RENAISSANCE TECHNOLOGIES LLCDecreased-119K-$4.1B
TWO SIGMA ADVISERS, LPDecreased-154K-$3.7B
UBS Group AGDecreased-94K-$2.6B
APIS CAPITAL ADVISORS, LLCClosed Position-118K-$2.6B
NORTHERN TRUST CORPDecreased-13K-$2.3B
Connor, Clark & Lunn Investment Management Ltd.Decreased-67K-$2.1B
WELLINGTON MANAGEMENT GROUP LLPDecreased-7K-$1.9B
RAYMOND JAMES FINANCIAL INCDecreased-75K-$1.9B
JANE STREET GROUP, LLCDecreased-13K-$1.5B
BRIDGEWAY CAPITAL MANAGEMENT, LLCDecreased-25K-$1.4B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1EcoR1 Capital, LLC2,030,544$34.3B1.56%Share
2Nantahala Capital Management, LLC1,175,951$19.9B0.66%Share
3Westside Investment Management, Inc.470,440$8.0B1.27%Share
4Diametric Capital, LP193,155$3.3B0.88%Share
5RENAISSANCE TECHNOLOGIES LLC205,700$3.0B0.00%Share
6NORTHERN TRUST CORP200,017$3.0B0.00%Share
7Lumbard & Kellner, LLC174,944$3.0B1.04%Share
8UBS Group AG126,637$2.1B0.00%Share
9JPMORGAN CHASE & CO172,941$2.0B0.00%Share
10GOLDMAN SACHS GROUP INC136,221$2.0B0.00%Share
11CHARLES SCHWAB INVESTMENT MANAGEMENT INC77,212$1.0B0.00%Share
12Connor, Clark & Lunn Investment Management Ltd.76,586$1.0B0.00%Share
13GOLDMAN SACHS GROUP INC60,042$1.0B0.00%Share
14BANK OF AMERICA CORP /DE/90,539$1.0B0.00%Share
15SUSQUEHANNA INTERNATIONAL GROUP, LLP62,400$1.0B0.00%Call
16CITADEL ADVISORS LLC74,144$1.0B0.00%Share
17MILLENNIUM MANAGEMENT LLC79,331$1.0B0.00%Share
18Woodline Partners LP95,487$1.0B0.00%Share
19BRIDGEWAY CAPITAL MANAGEMENT, LLC84,020$1.0B0.02%Share
20TWO SIGMA INVESTMENTS, LP76,602$1.0B0.00%Share
21ANCHOR CAPITAL ADVISORS LLC40,668$687.0M0.02%Share
22JUNCTURE WEALTH STRATEGIES, LLC18,996$321.0M0.11%Share
23Bridge City Capital, LLC18,600$314.0M0.09%Share
24PDT Partners, LLC14,891$251.0M0.02%Share
25Quantum Private Wealth, LLC11,500$194.0M0.06%Share
26Invesco Ltd.9,720$164.0M0.00%Share
27State of Wyoming8,161$138.0M0.02%Share
28Invesco Ltd.6,285$106.0M0.00%Share
29Invesco Ltd.3,686$62.0M0.00%Share
30Opaleye Management Inc.2,860,000$48.4M6.38%Share
31Caitong International Asset Management Co., Ltd2,600$43.0M0.12%Share
32VANGUARD GROUP INC1,180,910$19.0M0.00%Share
33BlackRock, Inc.983,671$16.0M0.00%Share
34BlackRock, Inc.586,528$9.0M0.00%Share
35GF FUND MANAGEMENT CO. LTD.527$8.0M0.00%Share
36GROUP ONE TRADING LLC500$8.0M0.00%Share
37STATE STREET CORP501,925$8.0M0.00%Share
38Westside Investment Management, Inc.500$8.0M0.00%Share
39OBERWEIS ASSET MANAGEMENT INC/431,300$7.3M0.27%Share
40THOMPSON SIEGEL & WALMSLEY LLC408,541$6.9M0.12%Share
41GROUP ONE TRADING LLC400$6.0M0.00%Put
42MORGAN STANLEY348,876$5.0M0.00%Share
43BNP PARIBAS FINANCIAL MARKETS277,458$4.0M0.00%Share
44Aristides Capital LLC161,436$2.0M0.35%Share
45VANGUARD GROUP INC158,767$2.0M0.00%Share
46Vermillion & White Wealth Management Group, LLC150$2.0M0.00%Share
47Jefferies Financial Group Inc.118,300$2.0M0.01%Share
48Farther Finance Advisors, LLC146$2.0M0.00%Share
49Bank of New York Mellon Corp72,030$1.0M0.00%Share
50MORGAN STANLEY98,717$1.0M0.00%Share

ETON Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025103$92.0B+15
Q3 202588$172.9B+19
Q2 202569$100.6B-16
Q1 202585$105.5B+16
Q4 202469$462.2B+26
Q3 202443$557.6B+4
Q2 202439$254.5B-1
Q1 202440$747.4T—

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As of Q4 2025, 50 institutional investors hold ETON (Eton Pharmaceuticals, Inc.). The largest holder is EcoR1 Capital, LLC with $34.3B in shares. This quarter, 11 institutions opened new positions and 3 closed their positions.

Frequently Asked Questions

How many hedge funds own ETON?

As of Q4 2025, 50 institutional investors report holding ETON (Eton Pharmaceuticals, Inc.) in their 13F filings.

Who is the largest institutional holder of ETON?

The largest institutional holder of ETON is EcoR1 Capital, LLC with $34.3B in shares.

Is institutional ownership of ETON increasing or decreasing?

This quarter, 11 institutions opened new positions in ETON and 3 closed their positions.