Simplex Trading
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Simplex Trading’s Cogent Biosciences COGT Stock Holding History

Simplex Trading’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 		$5.8M Buy
150,700
+82,100
+120% +$3.03M ﹤0.01% 1013
2025
Q4 		$2.44M Buy
68,600
+5,400
+9% +$152K ﹤0.01% 1819
2025
Q3 		$907K Buy
63,200
+17,300
+38% +$205K ﹤0.01% 3156
2025
Q2 		$329K Buy
+45,900
New +$254K ﹤0.01% 3965
2025
Q1 		– Sell
-47,100
Closed -$367K – 8647
2024
Q4 		$367K Sell
47,100
-1,000
-2% -$9.97K ﹤0.01% 3856
2024
Q3 		$519K Sell
48,100
-4,600
-9% -$44.8K ﹤0.01% 3548
2024
Q2 		$444K Buy
52,700
+22,400
+74% +$170K ﹤0.01% 3793
2024
Q1 		$203K Buy
+30,300
New +$187K ﹤0.01% 4839
2023
Q4 		– Sell
-4,500
Closed -$43K – 8902
2023
Q3 		$43K Buy
4,500
+4,400
+4,400% +$52.2K ﹤0.01% 5940
2023
Q2 		$1K Sell
100
-1,200
-92% -$13.8K ﹤0.01% 8587
2023
Q1 		$14K Buy
+1,300
New +$16.6K ﹤0.01% 7237
2022
Q4 		– Sell
-100
Closed -$1K – 9337
2022
Q3 		$1K Sell
100
-57,300
-100% -$785K ﹤0.01% 9499
2022
Q2 		$517K Buy
+57,400
New +$392K ﹤0.01% 3397

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

Simplex Trading's COGT Position: Q1 2026 in Review

Simplex Trading opened a new position in Cogent Biosciences (COGT) in Q1 2026: 3,153 shares worth $121K. The stake represents ﹤0.01% of the portfolio and ranks #4859 among its holdings. This is a return to the name: Simplex Trading previously reported a position in COGT as recently as Q3 2025.

Simplex Trading first reported a position in COGT in Q4 2021 and has held it in 11 quarters since. The position peaked at $961K in Q3 2025. 305 funds tracked by Wall St. Rank hold COGT as of Q1 2026.

  • Simplex Trading held 3,153 shares of Cogent Biosciences worth $121K as of Q1 2026.
  • Cogent Biosciences was a new Simplex Trading position in Q1 2026.
  • Cogent Biosciences made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4859 holding.
  • Simplex Trading first reported a position in Cogent Biosciences in Q4 2021 and has held it in 11 quarters since.
  • Simplex Trading's Cogent Biosciences position peaked at $961K in Q3 2025.
  • 305 funds tracked by Wall St. Rank held Cogent Biosciences as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.