Jane Street
DAWN

Jane Street’s Day One Biopharmaceuticals DAWN Stock Holding History

Jane Street’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 		$658K Buy
30,700
+12,900
+72% +$182K ﹤0.01% 7400
2025
Q4 		$166K Buy
+17,800
New +$149K ﹤0.01% 9866
2024
Q1 		– Sell
-18,100
Closed -$264K – 9333
2023
Q4 		$264K Sell
18,100
-7,000
-28% -$84.9K ﹤0.01% 7814
2023
Q3 		$308K Buy
25,100
+9,800
+64% +$128K ﹤0.01% 7018
2023
Q2 		$183K Buy
+15,300
New +$200K ﹤0.01% 7720
2022
Q4 		– Sell
-69,200
Closed -$1.39M – 9295
2022
Q3 		$1.39M Sell
69,200
-34,100
-33% -$725K ﹤0.01% 4840
2022
Q2 		$1.85M Buy
+103,300
New +$1.07M ﹤0.01% 4315

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

Jane Street's DAWN Position: Q1 2026 in Review

Jane Street reduced its Day One Biopharmaceuticals (DAWN) stake by 44% in Q1 2026, selling an estimated $5.21M and leaving 475,436 shares worth $10.2M. The position accounts for ﹤0.01% of the portfolio, ranked #2515.

Jane Street first reported a position in DAWN in Q1 2023 and has held it in 10 quarters since. 206 funds tracked by Wall St. Rank hold DAWN as of Q1 2026.

  • Jane Street held 475,436 shares of Day One Biopharmaceuticals worth $10.2M as of Q1 2026.
  • Jane Street sold 369,718 Day One Biopharmaceuticals shares in Q1 2026, an estimated $5.21M.
  • Day One Biopharmaceuticals made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2515 holding.
  • Jane Street first reported a position in Day One Biopharmaceuticals in Q1 2023 and has held it in 10 quarters since.
  • 206 funds tracked by Wall St. Rank held Day One Biopharmaceuticals as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.