Jane Street
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Jane Street’s Cogent Biosciences COGT Stock Holding History

Jane Street’s Portfolio COGT Stock Details COGT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$6.81M Buy
176,800
+41,500
+31% +$1.53M ﹤0.01% 3062
2025
Q4 		$4.81M Buy
135,300
+121,600
+888% +$3.42M ﹤0.01% 3286
2025
Q3 		$197K Buy
+13,700
New +$162K ﹤0.01% 9699
2022
Q3 		– Sell
-58,600
Closed -$529K – 9776
2022
Q2 		$529K Buy
+58,600
New +$400K ﹤0.01% 6625

Other funds holding COGT

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Jane Street's COGT Position: Q1 2026 in Review

Jane Street opened a new position in Cogent Biosciences (COGT) in Q1 2026: 5,483 shares worth $211K. The stake represents ﹤0.01% of the portfolio and ranks #10020 among its holdings. This is a return to the name: Jane Street previously reported a position in COGT as recently as Q3 2025.

Jane Street first reported a position in COGT in Q3 2018 and has held it in 15 quarters since. The position peaked at $2.13M in Q3 2025. 305 funds tracked by Wall St. Rank hold COGT as of Q1 2026.

  • Jane Street held 5,483 shares of Cogent Biosciences worth $211K as of Q1 2026.
  • Cogent Biosciences was a new Jane Street position in Q1 2026.
  • Cogent Biosciences made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #10020 holding.
  • Jane Street first reported a position in Cogent Biosciences in Q3 2018 and has held it in 15 quarters since.
  • Jane Street's Cogent Biosciences position peaked at $2.13M in Q3 2025.
  • 305 funds tracked by Wall St. Rank held Cogent Biosciences as of Q1 2026.

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