Equillium

EQ • NASDAQ

Equillium is a biotechnology company in the healthcare sector on NASDAQ, led by Bruce D. Steel, with a market cap of $77.9M. As of Q3 2025, 50% of shares are held by 40 institutional investors, with ADAR1 Capital Management, LLC as the largest holder at 9.34%.

Chief Executive OfficerBruce D. Steel

Market Cap$77.9M

Biotechnology

Healthcare

Employees44.0

Websiteequilliumbio.com

Country

United States of America

Overview

Overview of institutional ownership in EQ as of Q3 2025 with a market cap of $85.1M

All Institutions

Institutions: 40
Value Held: $42.4M
Shares Held: 29.7M
Avg Position: $1.1M
Median Position: $148.4K

Hedge Funds

Hedge Funds: 13
Value Held: $21.3M
Shares Held: 14.9M
Avg Position: $1.6M
Median Position: $429.0K

Ownership Breakdown

Institutional (non-HF)

24.77%

$21.1M

Hedge Funds

25.07%

$21.3M

Retail & Other

50.16%

$42.7M

Based on market cap of $85.1M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in EQ as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
A ADAR1 Capital Management, LLC Hedge Fund•Long/Short	Daniel Pawel Schneeberger Managing Partner	$8.0M 0.80% of portfolio	9.34% 5.6M shares	Q3 2025 Held for 2 months	$993.7M
A ADAGE CAPITAL PARTNERS GP LLC Institution	-	$7.6M 0.01% of portfolio	8.96% 5.3M shares	Q3 2025 Held for 2 months	$63.0B
Decheng Capital LLC Venture Capital	Xiangmin Nmn Cui Managing Partner	$6.4M 1.11% of portfolio	7.47% 4.4M shares	Q4 2023 Held for 1y 11m	$573.2M
Woodline Partners LP Hedge Fund•Long/Short	Karl Heinz Kroeker CIO	$5.0M 0.02% of portfolio	5.90% 3.5M shares	Q3 2025 Held for 2 months	$21.3B
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dmitry Balyasny CIO	$2.9M 0.01% of portfolio	3.37% 2.0M shares	Q3 2025 Held for 2 months	$48.1B
StemPoint Capital LP Hedge Fund•Long/Short	Sean Chua Tan President	$2.7M 0.55% of portfolio	3.21% 1.9M shares	Q3 2025 Held for 2 months	$495.9M
T TAKEDA PHARMACEUTICAL CO LTD Institution	-	$2.6M 15.94% of portfolio	3.07% 1.8M shares	Q4 2023 Held for 1y 11m	$16.4M
VANGUARD GROUP INC Institution	Salim Ramji CEO	$1.9M 0.00% of portfolio	2.21% 1.3M shares	Q4 2018 Held for 6y 11m	$6.69T
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$879.3K 0.00% of portfolio	1.03% 614.9K shares	Q2 2022 Held for 3y 5m	$75.8B
C CANTOR FITZGERALD, L. P. Institution	-	$607.8K 0.01% of portfolio	0.71% 425.0K shares	Q3 2025 Held for 2 months	$5.1B

Net Capital Flow

Institutional buying and selling activity for EQ in Q3 2025

Traded: +$30.9M
Buyers: 28
Sellers: 13
Total Bought: +$31.1M
Total Sold: −$204.6K
Avg Position: $902.2K

Biggest Buyers

Institution	Net Bought	Current Position
A ADAR1 Capital Management, LLC Hedge Fund•Long/Short	+$8.0M +5.6M shares	$8.0M 5.6M shares
A ADAGE CAPITAL PARTNERS GP LLC Institution	+$7.6M +5.3M shares	$7.6M 5.3M shares
Woodline Partners LP Hedge Fund•Long/Short	+$5.0M +3.5M shares	$5.0M 3.5M shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$2.9M +2.0M shares	$2.9M 2.0M shares
StemPoint Capital LP Hedge Fund•Long/Short	+$2.7M +1.9M shares	$2.7M 1.9M shares
VANGUARD GROUP INC Institution	+$700.5K +489.9K shares	$1.9M 1.3M shares
C CANTOR FITZGERALD, L. P. Institution	+$607.8K +425.0K shares	$607.8K 425.0K shares
S Standard Life Aberdeen plc Institution	+$542.7K +379.5K shares	$542.7K 379.5K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$487.4K +340.8K shares	$879.3K 614.9K shares
Ikarian Capital, LLC Hedge Fund•Event Driven	+$475.2K +332.3K shares	$475.2K 332.3K shares

Biggest Sellers

Institution	Net Sold	Current Position
UBS Group AG Institution	−$79.4K −55.5K shares	$40.1K 28.0K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$64.6K −45.1K shares	$122.3K 85.6K shares
PRUDENTIAL FINANCIAL INC Institution	−$15.6K −10.9K shares	$40.5K 28.3K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	−$12.6K −39.5K shares	Sold Off 0 shares
COMMONWEALTH EQUITY SERVICES, LLC. RIA/Wealth	−$8.0K −25.0K shares	Sold Off 0 shares
G Ground Swell Capital, LLC Hedge Fund•Multi-Strategy	−$5.2K −16.6K shares	Sold Off 0 shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$4.8K −15.1K shares	Sold Off 0 shares
B Baader Bank INC Institution	−$4.6K −23.7K shares	Sold Off 0 shares
S SIMPLEX TRADING, LLC Institution	−$4.5K −3.2K shares	$2.7K 1.9K shares
TRITONPOINT WEALTH, LLC RIA/Wealth	−$4.3K −13.5K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited EQ in Q3 2025

New Positions: 14
New Value: $21.2M
Exited Positions: 7
Exited Value: $39.8K

New Positions

Institution	Position Value
A ADAGE CAPITAL PARTNERS GP LLC Institution	$7.6M 5.3M shares
Woodline Partners LP Hedge Fund•Long/Short	$5.0M 3.5M shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$2.9M 2.0M shares
StemPoint Capital LP Hedge Fund•Long/Short	$2.7M 1.9M shares
C CANTOR FITZGERALD, L. P. Institution	$607.8K 425.0K shares
S Standard Life Aberdeen plc Institution	$542.7K 379.5K shares
Ikarian Capital, LLC Hedge Fund•Event Driven	$475.2K 332.3K shares
DIADEMA PARTNERS LP Hedge Fund•Long/Short	$429.0K 300.0K shares
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	$398.3K 278.5K shares
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy	$178.5K 124.8K shares

Exited Positions

Institution	Previous Position
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	$12.6K 39.5K shares
COMMONWEALTH EQUITY SERVICES, LLC. RIA/Wealth	$8.0K 25.0K shares
G Ground Swell Capital, LLC Hedge Fund•Multi-Strategy	$5.2K 16.6K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$4.8K 15.1K shares
B Baader Bank INC Institution	$4.6K 23.7K shares
TRITONPOINT WEALTH, LLC RIA/Wealth	$4.3K 13.5K shares
JPMORGAN CHASE & CO Institution	$349.0 1.1K shares

Options Activity

Institutions with the largest Call and Put options positions in EQ as of Q3 2025

Call Positions: 3
Call Value: $217.4K
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$166.0K 1.2K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$25.7K 180.0 contracts
J JANE STREET GROUP, LLC Institution	$25.6K 179.0 contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with EQ as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
T TAKEDA PHARMACEUTICAL CO LTD Institution	-	15.94% $2.6M	3.07% 1.8M shares	Q4 2023 Held for 1y 11m	$16.4M
Decheng Capital LLC Venture Capital	Xiangmin Nmn Cui Managing Partner	1.11% $6.4M	7.47% 4.4M shares	Q4 2023 Held for 1y 11m	$573.2M
A ADAR1 Capital Management, LLC Hedge Fund•Long/Short	Daniel Pawel Schneeberger Managing Partner	0.80% $8.0M	9.34% 5.6M shares	Q3 2025 Held for 2 months	$993.7M
StemPoint Capital LP Hedge Fund•Long/Short	Sean Chua Tan President	0.55% $2.7M	3.21% 1.9M shares	Q3 2025 Held for 2 months	$495.9M
DIADEMA PARTNERS LP Hedge Fund•Long/Short	Timothy Beau Bassett CIO	0.30% $429.0K	0.50% 300.0K shares	Q3 2025 Held for 2 months	$143.3M
Ikarian Capital, LLC Hedge Fund•Event Driven	Neil Tristan Shahrestani CEO	0.10% $475.2K	0.56% 332.3K shares	Q3 2025 Held for 2 months	$494.3M
P Persistent Asset Partners Ltd Institution	-	0.07% $98.7K	0.12% 69.0K shares	Q3 2025 Held for 2 months	$137.1M
Woodline Partners LP Hedge Fund•Long/Short	Karl Heinz Kroeker CIO	0.02% $5.0M	5.90% 3.5M shares	Q3 2025 Held for 2 months	$21.3B
A ADAGE CAPITAL PARTNERS GP LLC Institution	-	0.01% $7.6M	8.96% 5.3M shares	Q3 2025 Held for 2 months	$63.0B
C CANTOR FITZGERALD, L. P. Institution	-	0.01% $607.8K	0.71% 425.0K shares	Q3 2025 Held for 2 months	$5.1B

Hedge Fund Spotlight

Discover hedge funds investing in EQ

Ikarian Capital, LLC

Hedge Fund • Event Driven

Portfolio ManagerNeil Tristan Shahrestani

Portfolio Value: $494.3M
Positions: 116
Last Reported: Q3 2025

Sector Allocation

Position in Equillium

Market Value: $475.2K
Shares Held: 332.3K
Portfolio Weight: 0.10%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
1 GMAB Genmab A/S GMAB	Unknown Unknown	$53.0M	10.73%
2 ABVX Abivax ABVX	Unknown Unknown	$33.4M	6.76%
3 Ionis Pharmaceuticals IONS	Biotechnology Healthcare	$27.2M	5.49%

View full profile

Equillium

Overview

All Institutions

Hedge Funds

Ownership Breakdown

Biggest Investors

Net Capital Flow

Biggest Buyers

Biggest Sellers

Entry and Exit Activity

New Positions

Exited Positions

Options Activity

Call Positions

Put Positions

Most Committed Institutions

Hedge Fund Spotlight

Position in Equillium

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