Jane Street
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Jane Street’s IDEAYA Biosciences IDYA Stock Holding History

Jane Street’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
Q1 		$1.01M Sell
30,400
-44,000
-59% -$1.48M ﹤0.01% 6472
2025
Q4 		$2.57M Buy
74,400
+64,000
+615% +$2.04M ﹤0.01% 4341
2025
Q3 		$283K Buy
+10,400
New +$252K ﹤0.01% 9023

Other funds holding IDYA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
LGM
Logos Global Management San Francisco, California $2B AUM 444.09% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Jane Street's IDYA Position: Q1 2026 in Review

Jane Street opened a new position in IDEAYA Biosciences (IDYA) in Q1 2026: 88,133 shares worth $2.94M. The stake represents ﹤0.01% of the portfolio and ranks #4388 among its holdings. This is a return to the name: Jane Street previously reported a position in IDYA as recently as Q3 2025.

Jane Street first reported a position in IDYA in Q2 2020 and has held it in 15 quarters since. The position peaked at $4.53M in Q2 2024. 253 funds tracked by Wall St. Rank hold IDYA as of Q1 2026.

  • Jane Street held 88,133 shares of IDEAYA Biosciences worth $2.94M as of Q1 2026.
  • IDEAYA Biosciences was a new Jane Street position in Q1 2026.
  • IDEAYA Biosciences made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4388 holding.
  • Jane Street first reported a position in IDEAYA Biosciences in Q2 2020 and has held it in 15 quarters since.
  • Jane Street's IDEAYA Biosciences position peaked at $4.53M in Q2 2024.
  • 253 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q1 2026.

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