MF
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Magnetar Financial’s IDEAYA Biosciences IDYA Stock Holding History

Magnetar Financial’s Portfolio IDYA Stock Details IDYA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$211K Buy
+5,656
New +$173K ﹤0.01% 921
2024
Q3 		– Sell
-45,550
Closed -$1.6M – 603
2024
Q2 		$1.6M Buy
+45,550
New +$1.8M 0.03% 228

Other funds holding IDYA

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
JT
Jupiter Topco New York $245B AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
LGM
Logos Global Management San Francisco, California $2.32B AUM 536.01% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return

Magnetar Financial's IDYA Position: Q2 2026 in Review

Magnetar Financial opened a new position in IDEAYA Biosciences (IDYA) in Q2 2026: 5,656 shares worth $211K. The stake represents ﹤0.01% of the portfolio and ranks #921 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in IDYA as recently as Q2 2024.

Magnetar Financial first reported a position in IDYA in Q2 2024 and has held it in 2 quarters since. The position peaked at $1.6M in Q2 2024. 286 funds tracked by Wall St. Rank hold IDYA as of Q2 2026.

  • Magnetar Financial held 5,656 shares of IDEAYA Biosciences worth $211K as of Q2 2026.
  • IDEAYA Biosciences was a new Magnetar Financial position in Q2 2026.
  • IDEAYA Biosciences made up ﹤0.01% of Magnetar Financial's portfolio in Q2 2026, its #921 holding.
  • Magnetar Financial first reported a position in IDEAYA Biosciences in Q2 2024 and has held it in 2 quarters since.
  • Magnetar Financial's IDEAYA Biosciences position peaked at $1.6M in Q2 2024.
  • 286 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.