Chemomab Therapeutics

CMMB • NASDAQ

Chemomab Therapeutics is a pharmaceutical preparations company on NASDAQ. As of Q3 2025, 10 institutional investors hold shares in this company, with total holdings valued at $1.0M. SPHERA FUNDS MANAGEMENT LTD. is the largest holder with a position valued at $471.9K.

PHARMACEUTICAL PREPARATIONS

Employees20.0

Websitechemomab.com

Country

United States of America

Overview

Overview of institutional ownership in CMMB as of Q3 2025

All Institutions

Institutions: 10
Value Held: $1.0M
Shares Held: 390.3K
Avg Position: $102.7K
Median Position: $40.8K

Hedge Funds

Hedge Funds: 1
Value Held: $140.1K
Shares Held: 53.3K
Avg Position: $140.1K
Median Position: $140.1K

Biggest Investors

Institutions with the largest positions in CMMB as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
S SPHERA FUNDS MANAGEMENT LTD. Institution	-	$471.9K 0.11% of portfolio	0.00% 179.4K shares	Q3 2024 Held for 1y 2m	$416.3M
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$236.9K 0.00% of portfolio	0.00% 90.1K shares	Q4 2022 Held for 2y 11m	$1.65T
Ikarian Capital, LLC Hedge Fund•Event Driven	Neil Tristan Shahrestani CEO	$140.1K 0.03% of portfolio	0.00% 53.3K shares	Q4 2022 Held for 2y 11m	$494.3M
S Stonepine Capital Management, LLC Institution	-	$78.9K 0.06% of portfolio	0.00% 30.0K shares	Q3 2025 Held for 2 months	$123.0M
J JANE STREET GROUP, LLC Institution	-	$56.6K 0.00% of portfolio	0.00% 21.5K shares	Q2 2025 Held for 5 months	$84.1B
RHUMBLINE ADVISERS Long Only Manager	Denise Andrea D'Entremont CEO	$25.0K 0.00% of portfolio	0.00% 9.5K shares	Q2 2023 Held for 2y 5m	$124.42B
B BNP PARIBAS ARBITRAGE, SA Institution	-	$15.1K 0.00% of portfolio	0.00% 5.8K shares	Q4 2024 Held for 11 months	$126.06B
GAMMA Investing LLC Long Only Manager	Lorraine Y Fang CEO	$1.8K 0.00% of portfolio	0.00% 667.0 shares	Q4 2024 Held for 11 months	$1.8B
UBS Group AG Institution	Sergio P. Ermotti CEO	$260.0 0.00% of portfolio	0.00% 99.0 shares	Q3 2024 Held for 1y 2m	$511.54B
S SBI Securities Co., Ltd. Institution	-	$68.0 0.00% of portfolio	0.00% 26.0 shares	Q4 2024 Held for 11 months	$3.9B

Net Capital Flow

Institutional buying and selling activity for CMMB in Q3 2025

Traded: −$3.5M
Buyers: 4
Sellers: 11
Total Bought: +$320.0K
Total Sold: −$3.8M
Avg Position: $68.4K

Biggest Buyers

Institution	Net Bought	Current Position
MORGAN STANLEY RIA/Wealth	+$236.9K +-1.5M shares	$236.9K 90.1K shares
S Stonepine Capital Management, LLC Institution	+$78.9K +30.0K shares	$78.9K 30.0K shares
J JANE STREET GROUP, LLC Institution	+$2.5K +942.0 shares	$56.6K 21.5K shares
GAMMA Investing LLC Long Only Manager	+$1.8K +-12.1K shares	$1.8K 667.0 shares

Biggest Sellers

Institution	Net Sold	Current Position
S SPHERA FUNDS MANAGEMENT LTD. Institution	−$1.5M −558.6K shares	$471.9K 179.4K shares
ORBIMED ADVISORS LLC Hedge Fund•Sector	−$1.1M −941.0K shares	Sold Off 0 shares
Y Yelin Lapidot Holdings Management Ltd. Institution	−$670.8K −578.3K shares	Sold Off 0 shares
Ikarian Capital, LLC Hedge Fund•Event Driven	−$420.2K −159.8K shares	$140.1K 53.3K shares
RHUMBLINE ADVISERS Long Only Manager	−$79.9K −30.4K shares	$25.0K 9.5K shares
KESTRA PRIVATE WEALTH SERVICES, LLC RIA/Wealth	−$36.2K −31.2K shares	Sold Off 0 shares
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	−$30.4K −26.2K shares	Sold Off 0 shares
B BNP PARIBAS ARBITRAGE, SA Institution	−$21.4K −8.2K shares	$15.1K 5.8K shares
JPMORGAN CHASE & CO Institution	−$1.4K −1.2K shares	Sold Off 0 shares
UBS Group AG Institution	−$782.6 −298.0 shares	$260.0 99.0 shares

Entry and Exit Activity

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

New Positions: 1
New Value: $78.9K
Exited Positions: 5
Exited Value: $1.8M

New Positions

Institution	Position Value
S Stonepine Capital Management, LLC Institution	$78.9K 30.0K shares

Exited Positions

Institution	Previous Position
ORBIMED ADVISORS LLC Hedge Fund•Sector	$1.1M 941.0K shares
Y Yelin Lapidot Holdings Management Ltd. Institution	$670.8K 578.3K shares
KESTRA PRIVATE WEALTH SERVICES, LLC RIA/Wealth	$36.2K 31.2K shares
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	$30.4K 26.2K shares
JPMORGAN CHASE & CO Institution	$1.4K 1.2K shares

Options Activity

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

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

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

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
S SPHERA FUNDS MANAGEMENT LTD. Institution	-	0.11% $471.9K	0.00% 179.4K shares	Q3 2024 Held for 1y 2m	$416.3M
S Stonepine Capital Management, LLC Institution	-	0.06% $78.9K	0.00% 30.0K shares	Q3 2025 Held for 2 months	$123.0M
Ikarian Capital, LLC Hedge Fund•Event Driven	Neil Tristan Shahrestani CEO	0.03% $140.1K	0.00% 53.3K shares	Q4 2022 Held for 2y 11m	$494.3M
GAMMA Investing LLC Long Only Manager	Lorraine Y Fang CEO	0.00% $1.8K	0.00% 667.0 shares	Q4 2024 Held for 11 months	$1.8B
J JANE STREET GROUP, LLC Institution	-	0.00% $56.6K	0.00% 21.5K shares	Q2 2025 Held for 5 months	$84.1B
RHUMBLINE ADVISERS Long Only Manager	Denise Andrea D'Entremont CEO	0.00% $25.0K	0.00% 9.5K shares	Q2 2023 Held for 2y 5m	$124.42B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	0.00% $236.9K	0.00% 90.1K shares	Q4 2022 Held for 2y 11m	$1.65T
B BNP PARIBAS ARBITRAGE, SA Institution	-	0.00% $15.1K	0.00% 5.8K shares	Q4 2024 Held for 11 months	$126.06B
S SBI Securities Co., Ltd. Institution	-	0.00% $68.0	0.00% 26.0 shares	Q4 2024 Held for 11 months	$3.9B
UBS Group AG Institution	Sergio P. Ermotti CEO	0.00% $260.0	0.00% 99.0 shares	Q3 2024 Held for 1y 2m	$511.54B

Hedge Fund Spotlight

Discover hedge funds investing in CMMB

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 Chemomab Therapeutics

Market Value: $140.1K
Shares Held: 53.3K
Portfolio Weight: 0.03%
Owned Since: 2022-Q4

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