Janus Henderson Group
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Janus Henderson Group’s Cogent Biosciences COGT Stock Holding History

Janus Henderson Group’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 		$230M Buy
5,965,125
+1,427,717
+31% +$52.7M 0.11% 177
2025
Q4 		$161M Buy
4,537,408
+1,359,365
+43% +$38.2M 0.07% 216
2025
Q3 		$45.6M Buy
3,178,043
+304,990
+11% +$3.61M 0.02% 429
2025
Q2 		$20.6M Buy
2,873,053
+2,843,980
+9,782% +$15.8M 0.01% 562
2025
Q1 		$188K Hold
29,073
– – ﹤0.01% 2375
2024
Q4 		$227K Buy
29,073
+13,300
+84% +$133K ﹤0.01% 2378
2024
Q3 		$170K Hold
15,773
– – ﹤0.01% 2471
2024
Q2 		$133K Sell
15,773
-2,083,584
-99% -$15.8M ﹤0.01% 2475
2024
Q1 		$14.1M Buy
2,099,357
+2,083,065
+12,786% +$12.9M 0.01% 624
2023
Q4 		$95.9K Sell
16,292
-1,620,669
-99% -$12.4M ﹤0.01% 2527
2023
Q3 		$16M Buy
1,636,961
+318,849
+24% +$3.78M 0.01% 578
2023
Q2 		$15.6M Sell
1,318,112
-344,153
-21% -$3.95M 0.01% 599
2023
Q1 		$17.9M Buy
1,662,265
+60,068
+4% +$768K 0.01% 596
2022
Q4 		$18.5M Sell
1,602,197
-86,332
-5% -$1.07M 0.01% 584
2022
Q3 		$25.2M Sell
1,688,529
-441,967
-21% -$6.06M 0.02% 516
2022
Q2 		$19.2M Sell
2,130,496
-1,034,745
-33% -$7.06M 0.01% 572
2022
Q1 		$23.7M Buy
3,165,241
+649,987
+26% +$4.53M 0.01% 712
2021
Q4 		$21.6M Buy
2,515,254
+21,293
+0.9% +$185K 0.01% 770
2021
Q3 		$21M Buy
2,493,961
+55,760
+2% +$427K 0.01% 780
2021
Q2 		$19.8M Buy
2,438,201
+155,073
+7% +$1.31M 0.01% 786
2021
Q1 		$20M Buy
2,283,128
+554,458
+32% +$5.34M 0.01% 768
2020
Q4 		$19.4M Buy
1,728,670
+1,651,080
+2,128% +$18.1M 0.01% 756
2020
Q3 		$715K Buy
+77,590
New +$809K ﹤0.01% 1178

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
DM
Deerfield Management New York $9.59B AUM 113.36% 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
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.51B AUM 546.08% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Janus Henderson Group's COGT Position: Q1 2026 in Review

Janus Henderson Group increased its Cogent Biosciences (COGT) stake by 31% in Q1 2026, buying an estimated $52.7M and bringing the position to 5,965,125 shares worth $230M. The position accounts for 0.11% of the portfolio, ranked #177.

Janus Henderson Group first reported a position in COGT in Q3 2020 and has held it in 23 quarters since. 305 funds tracked by Wall St. Rank hold COGT as of Q1 2026.

  • Janus Henderson Group held 5,965,125 shares of Cogent Biosciences worth $230M as of Q1 2026.
  • Janus Henderson Group bought 1,427,717 Cogent Biosciences shares in Q1 2026, an estimated $52.7M.
  • Cogent Biosciences made up 0.11% of Janus Henderson Group's portfolio in Q1 2026, its #177 holding.
  • Janus Henderson Group first reported a position in Cogent Biosciences in Q3 2020 and has held it in 23 quarters since.
  • 305 funds tracked by Wall St. Rank held Cogent Biosciences as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.