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
Q2 		– Sell
-5,483
Closed -$192K – 11734
2026
Q1 		$211K Buy
+5,483
New +$202K ﹤0.01% 10020
2025
Q4 		– Sell
-148,401
Closed -$4.17M – 11269
2025
Q3 		$2.13M Buy
+148,401
New +$1.76M ﹤0.01% 4820
2025
Q2 		– Sell
-123,822
Closed -$742K – 9771
2025
Q1 		$742K Buy
123,822
+49,338
+66% +$387K ﹤0.01% 6127
2024
Q4 		$581K Sell
74,484
-37,379
-33% -$373K ﹤0.01% 6471
2024
Q3 		$1.21M Sell
111,863
-136,681
-55% -$1.33M ﹤0.01% 5505
2024
Q2 		$2.1M Buy
248,544
+203,822
+456% +$1.55M ﹤0.01% 4390
2024
Q1 		$301K Buy
44,722
+10,051
+29% +$62.1K ﹤0.01% 7564
2023
Q4 		$204K Buy
34,671
+5,024
+17% +$38.5K ﹤0.01% 8193
2023
Q3 		$289K Sell
29,647
-25,267
-46% -$300K ﹤0.01% 7112
2023
Q2 		$650K Sell
54,914
-12,674
-19% -$145K ﹤0.01% 5911
2023
Q1 		$729K Buy
+67,588
New +$865K ﹤0.01% 5639
2022
Q4 		– Sell
-28,506
Closed -$425K – 9250
2022
Q3 		$425K Buy
+28,506
New +$391K ﹤0.01% 6984
2021
Q3 		– Sell
-24,192
Closed -$196K – 9998
2021
Q2 		$196K Buy
+24,192
New +$204K ﹤0.01% 8847
2019
Q3 		– Sell
-12,583
Closed -$132K – 5144
2019
Q2 		$132K Buy
+12,583
New +$167K ﹤0.01% 4797
2018
Q4 		– Sell
-3,630
Closed -$150K – 5016
2018
Q3 		$150K Buy
+3,630
New +$205K ﹤0.01% 4772

Other funds holding COGT

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.51B AUM 546.08% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Jane Street's COGT Position: Q2 2026 in Review

Jane Street sold out of Cogent Biosciences (COGT) in Q2 2026, closing a stake of 5,483 shares — an estimated $192K sold.

Jane Street first reported a position in COGT in Q3 2018 and held it in 15 quarters. The position peaked at $2.13M in Q3 2025. 324 funds tracked by Wall St. Rank hold COGT as of Q2 2026.

  • Jane Street reported no remaining Cogent Biosciences position as of Q2 2026 after selling out during the quarter.
  • Jane Street sold 5,483 Cogent Biosciences shares in Q2 2026, an estimated $192K.
  • Jane Street first reported a position in Cogent Biosciences in Q3 2018 and held it in 15 quarters.
  • Jane Street's Cogent Biosciences position peaked at $2.13M in Q3 2025.
  • 324 funds tracked by Wall St. Rank held Cogent Biosciences as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.