What does CUSIP 29772L108 represent in this 13F holders report?

CUSIP 29772L108 is the security identifier for ETON - Eton Pharmaceuticals, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held ETON - Eton Pharmaceuticals, Inc. - Common Stock in Q2 2025?

85 institutional investors reported ETON - Eton Pharmaceuticals, Inc. - Common Stock for Q2 2025. Use the holders table for investor-level position and value details.

Eton Pharmaceuticals, Inc. - Common Stock (ETON)

CUSIP: 29772L108

Q2 2025 13F Holders as of 30 Jun 2025

Security type / class: Equity / Common Stock
Total 13F shares: 16,549,306
Total 13F value: $235,826,915
Share change: +2,377,813
Put/Call ratio: 4.9%
SEC-reported price per share: $14.25
Number of holders: 85
Value change: +$35,134,963
Number of buys: 59
Number of sells: 44
Shares outstanding: 27,281,304

Security key

29772L108

Report period

Q2 2025

Institutions

Top holders

ETON full security history Ownership snapshot Full 13F holder table Eton Pharmaceuticals, Inc. SEC filings Eton Pharmaceuticals, Inc. company facts

Broader feeds

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Ownership snapshot

Top reported holders of ETON - Eton Pharmaceuticals, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

EcoR1 Capital, LLC

Disclosed value leader

Opaleye Management Inc.

Comparable rows

15/15

Latest evidence

31 Mar 2025

13D/G 13F Lead comparable stake: 7.7% 13D/G row: EcoR1 Capital, LLC Showing 1-6 of 15 holder rows.

Quick read

EcoR1 Capital, LLC leads the comparable SEC ownership view at 7.7%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens EcoR1 Capital, LLC's linked filing trail.

Comparable ownership Top 5

EcoR1 Capital, LLC 7.7%

Opaleye Management Inc. 10%

Nantahala Capital Management, LLC 4.3%

VANGUARD GROUP INC 4%

CANNELL CAPITAL LLC 2.5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
EcoR1 Capital, LLC	13D/G 13F Company 13D/G 13F	7.7%	$28,407,583 1,981,003 shares	$0	31 Dec 2024
Opaleye Management Inc.	13F Company 13F	10%	$37,019,869 2,852,070 shares	—	31 Mar 2025
Nantahala Capital Management, LLC	13F Company 13F	4.3%	$15,263,844 1,175,951 shares	—	31 Mar 2025
VANGUARD GROUP INC	13F Company 13F	4%	$14,290,500 1,100,963 shares	—	31 Mar 2025
CANNELL CAPITAL LLC	13F Company 13F	2.5%	$8,973,944 691,367 shares	—	31 Mar 2025
Westside Investment Management, Inc.	13F Company 13F	1.8%	$6,407,474 493,650 shares	—	31 Mar 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

16,549,306

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders

Q2 2025 holders

Holder diff

Investor	Q1 2025 Shares	Q2 2025 Shares	Share Diff	Share Chg %	Q1 2025 value	Q2 2025 value	Value change	Value Chg %