MF
DAWN

Magnetar Financial’s Day One Biopharmaceuticals DAWN Stock Holding History

Magnetar Financial’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 		$13.8M Buy
+645,173
New +$9.09M 0.14% 95
2025
Q4 		– Sell
-16,487
Closed -$116K – 993
2025
Q3 		$116K Buy
+16,487
New +$113K ﹤0.01% 813
2025
Q2 		– Sell
-11,303
Closed -$89.6K – 946
2025
Q1 		$89.6K Buy
+11,303
New +$122K ﹤0.01% 704

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

Magnetar Financial's DAWN Position: Q1 2026 in Review

Magnetar Financial opened a new position in Day One Biopharmaceuticals (DAWN) in Q1 2026: 645,173 shares worth $13.8M. The stake represents 0.14% of the portfolio and ranks #95 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in DAWN as recently as Q3 2025.

Magnetar Financial first reported a position in DAWN in Q1 2025 and has held it in 3 quarters since. 206 funds tracked by Wall St. Rank hold DAWN as of Q1 2026.

  • Magnetar Financial held 645,173 shares of Day One Biopharmaceuticals worth $13.8M as of Q1 2026.
  • Day One Biopharmaceuticals was a new Magnetar Financial position in Q1 2026.
  • Day One Biopharmaceuticals made up 0.14% of Magnetar Financial's portfolio in Q1 2026, its #95 holding.
  • Magnetar Financial first reported a position in Day One Biopharmaceuticals in Q1 2025 and has held it in 3 quarters since.
  • 206 funds tracked by Wall St. Rank held Day One Biopharmaceuticals as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.