Jane Street
CMMB

Jane Street’s Chemomab Therapeutics CMMB Stock Holding History

Jane Street’s Portfolio CMMB Stock Details CMMB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-15,598
Closed -$25.7K – 11750
2025
Q4 		$25.7K Sell
15,598
-5,913
-27% -$15.7K ﹤0.01% 10677
2025
Q3 		$56.6K Buy
21,511
+16,369
+318% +$60.4K ﹤0.01% 10319
2025
Q2 		$23.9K Buy
+5,142
New +$25.4K ﹤0.01% 9336

Other funds holding CMMB

ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
KPWS
Kestra Private Wealth Services Austin, Texas $9.1B AUM 32.09% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return
RhumbLine Advisers
RhumbLine Advisers Boston, Massachusetts $133B AUM 43.5% 1-Year Est. Return
SP
SmartHarvest Portfolios Poulsbo, Washington $309M AUM
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return
PIP
Philadelphia Investment Partners Voorhees, New Jersey $161M AUM

Jane Street's CMMB Position: Q1 2026 in Review

Jane Street sold out of Chemomab Therapeutics (CMMB) in Q1 2026, closing a stake of 15,598 shares — an estimated $25.7K sold.

Jane Street first reported a position in CMMB in Q2 2025 and held it in 3 quarters. The position peaked at $56.6K in Q3 2025. 15 funds tracked by Wall St. Rank hold CMMB as of Q1 2026.

  • Jane Street reported no remaining Chemomab Therapeutics position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 15,598 Chemomab Therapeutics shares in Q1 2026, an estimated $25.7K.
  • Jane Street first reported a position in Chemomab Therapeutics in Q2 2025 and held it in 3 quarters.
  • Jane Street's Chemomab Therapeutics position peaked at $56.6K in Q3 2025.
  • 15 funds tracked by Wall St. Rank held Chemomab Therapeutics as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.