Janus Henderson Group
DAWN

Janus Henderson Group’s Day One Biopharmaceuticals DAWN Stock Holding History

Janus Henderson Group’s Portfolio DAWN Stock Details DAWN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$11.7M Buy
546,428
+525,128
+2,465% +$7.4M 0.01% 716
2025
Q4 		$199K Hold
21,300
– – ﹤0.01% 2351
2025
Q3 		$150K Hold
21,300
– – ﹤0.01% 2371
2025
Q2 		$139K Hold
21,300
– – ﹤0.01% 2377
2025
Q1 		$172K Sell
21,300
-1,284,920
-98% -$13.8M ﹤0.01% 2401
2024
Q4 		$16.6M Sell
1,306,220
-870,977
-40% -$12.1M 0.01% 625
2024
Q3 		$30.3M Buy
2,177,197
+337,928
+18% +$4.82M 0.02% 493
2024
Q2 		$25.4M Sell
1,839,269
-193,115
-10% -$2.83M 0.01% 522
2024
Q1 		$33.6M Buy
2,032,384
+336,281
+20% +$5.03M 0.02% 461
2023
Q4 		$24.8M Buy
1,696,103
+874,650
+106% +$10.6M 0.01% 505
2023
Q3 		$10.1M Buy
821,453
+133,943
+19% +$1.75M 0.01% 662
2023
Q2 		$8.21M Buy
687,510
+124,716
+22% +$1.63M 0.01% 730
2023
Q1 		$7.53M Buy
+562,794
New +$11M 0.01% 768
2022
Q2 		– Sell
-902,020
Closed -$8.95M – 2617
2022
Q1 		$8.95M Sell
902,020
-120,528
-12% -$1.59M ﹤0.01% 908
2021
Q4 		$16.6M Buy
1,022,548
+65
+0% +$1.34K 0.01% 831
2021
Q3 		$23.4M Sell
1,022,483
-275,287
-21% -$6.6M 0.01% 756
2021
Q2 		$27.9M Buy
+1,297,770
New +$27.1M 0.01% 715

Other funds holding DAWN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
KC
Kryger Capital London, United Kingdom $1.41B AUM 86.31% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return

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

Janus Henderson Group increased its Day One Biopharmaceuticals (DAWN) stake by 2,465% in Q1 2026, buying an estimated $7.4M and bringing the position to 546,428 shares worth $11.7M. The position accounts for 0.01% of the portfolio, ranked #716.

Janus Henderson Group first reported a position in DAWN in Q2 2021 and has held it in 17 quarters since. The position peaked at $33.6M in Q1 2024. 206 funds tracked by Wall St. Rank hold DAWN as of Q1 2026.

  • Janus Henderson Group held 546,428 shares of Day One Biopharmaceuticals worth $11.7M as of Q1 2026.
  • Janus Henderson Group bought 525,128 Day One Biopharmaceuticals shares in Q1 2026, an estimated $7.4M.
  • Day One Biopharmaceuticals made up 0.01% of Janus Henderson Group's portfolio in Q1 2026, its #716 holding.
  • Janus Henderson Group first reported a position in Day One Biopharmaceuticals in Q2 2021 and has held it in 17 quarters since.
  • Janus Henderson Group's Day One Biopharmaceuticals position peaked at $33.6M in Q1 2024.
  • 206 funds tracked by Wall St. Rank held Day One Biopharmaceuticals as of Q1 2026.

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