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Platinum Investment Management’s Cogent Biosciences COGT Stock Holding History

Platinum Investment Management’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 		$4.31M Sell
112,066
-9,163
-8% -$338K 1.09% 36
2025
Q4 		$4.31M Sell
121,229
-98,275
-45% -$2.76M 1% 38
2025
Q3 		$3.15M Hold
219,504
– – 0.2% 52
2025
Q2 		$1.58M Buy
219,504
+85,594
+64% +$475K 0.1% 63
2025
Q1 		$802K Sell
133,910
-23,941
-15% -$188K 0.05% 78
2024
Q4 		$1.23M Hold
157,851
– – 0.07% 73
2024
Q3 		$1.7M Hold
157,851
– – 0.08% 72
2024
Q2 		$1.33M Sell
157,851
-28,403
-15% -$215K 0.05% 76
2024
Q1 		$1.25M Sell
186,254
-289,380
-61% -$1.79M 0.05% 84
2023
Q4 		$2.8M Sell
475,634
-203
-0% -$1.56K 0.11% 72
2023
Q3 		$4.64M Sell
475,837
-1,243
-0.3% -$14.7K 0.18% 52
2023
Q2 		$5.65M Hold
477,080
– – 0.2% 54
2023
Q1 		$5.15M Sell
477,080
-34,310
-7% -$439K 0.18% 56
2022
Q4 		$5.91M Hold
511,390
– – 0.23% 49
2022
Q3 		$7.63M Sell
511,390
-390,022
-43% -$5.35M 0.32% 44
2022
Q2 		$8.13M Sell
901,412
-149,287
-14% -$1.02M 0.31% 46
2022
Q1 		$7.87M Hold
1,050,699
– – 0.24% 50
2021
Q4 		$9.02M Buy
1,050,699
+68,401
+7% +$595K 0.25% 49
2021
Q3 		$8.26M Buy
982,298
+156,179
+19% +$1.2M 0.23% 48
2021
Q2 		$6.7M Buy
826,119
+94,216
+13% +$796K 0.16% 58
2021
Q1 		$6.43M Buy
731,903
+256,198
+54% +$2.47M 0.14% 49
2020
Q4 		$5.34M Buy
+475,705
New +$5.23M 0.12% 57
2019
Q3 		– Sell
-42,675
Closed -$447K – 102
2019
Q2 		$447K Sell
42,675
-22,474
-34% -$299K 0.01% 91
2019
Q1 		$1.14M Hold
65,149
– – 0.03% 83
2018
Q4 		$1.15M Buy
65,149
+21,224
+48% +$628K 0.04% 70
2018
Q3 		$1.81M Sell
43,925
-12,325
-22% -$695K 0.05% 56
2018
Q2 		$3.23M Hold
56,250
– – 0.08% 39
2018
Q1 		$2.5M Buy
+56,250
New +$2.5M 0.07% 43

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

Platinum Investment Management's COGT Position: Q1 2026 in Review

Platinum Investment Management reduced its Cogent Biosciences (COGT) stake by 7.6% in Q1 2026, selling an estimated $338K and leaving 112,066 shares worth $4.31M. The position accounts for 1.09% of the portfolio, ranked #36.

Platinum Investment Management first reported a position in COGT in Q1 2018 and has held it in 28 quarters since. The position peaked at $9.02M in Q4 2021. 305 funds tracked by Wall St. Rank hold COGT as of Q1 2026.

  • Platinum Investment Management held 112,066 shares of Cogent Biosciences worth $4.31M as of Q1 2026.
  • Platinum Investment Management sold 9,163 Cogent Biosciences shares in Q1 2026, an estimated $338K.
  • Cogent Biosciences made up 1.09% of Platinum Investment Management's portfolio in Q1 2026, its #36 holding.
  • Platinum Investment Management first reported a position in Cogent Biosciences in Q1 2018 and has held it in 28 quarters since.
  • Platinum Investment Management's Cogent Biosciences position peaked at $9.02M in Q4 2021.
  • 305 funds tracked by Wall St. Rank held Cogent Biosciences as of Q1 2026.

Based on Platinum Investment Management's 13F filing for Q1 2026, filed 14 May 2026.