Adage Capital Partners
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Adage Capital Partners’s IDEAYA Biosciences IDYA Stock Holding History

Adage Capital Partners’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 		$94.1M Buy
2,823,500
+23,500
+0.8% +$788K 0.15% 143
2025
Q4 		$96.8M Sell
2,800,000
-100,094
-3% -$3.19M 0.15% 133
2025
Q3 		$78.9M Buy
2,900,094
+1,662,000
+134% +$40.2M 0.13% 163
2025
Q2 		$26M Buy
1,238,094
+50,000
+4% +$959K 0.04% 379
2025
Q1 		$19.5M Sell
1,188,094
-12,000
-1% -$256K 0.04% 426
2024
Q4 		$30.8M Buy
1,200,094
+220,000
+22% +$6.23M 0.05% 319
2024
Q3 		$31M Sell
980,094
-1,085,000
-53% -$41.1M 0.05% 329
2024
Q2 		$72.5M Sell
2,065,094
-402,013
-16% -$15.9M 0.13% 157
2024
Q1 		$108M Sell
2,467,107
-457,987
-16% -$19.7M 0.2% 100
2023
Q4 		$104M Buy
2,925,094
+638,133
+28% +$19M 0.22% 106
2023
Q3 		$61.7M Sell
2,286,961
-288,149
-11% -$7.31M 0.14% 165
2023
Q2 		$60.5M Sell
2,575,110
-101,449
-4% -$2.09M 0.13% 172
2023
Q1 		$36.7M Buy
2,676,559
+475,000
+22% +$7.91M 0.08% 280
2022
Q4 		$40M Buy
2,201,559
+351,465
+19% +$5.91M 0.1% 245
2022
Q3 		$27.6M Buy
1,850,094
+1,745,693
+1,672% +$22.7M 0.07% 321
2022
Q2 		$1.44M Sell
104,401
-88,900
-46% -$989K ﹤0.01% 900
2022
Q1 		$2.16M Sell
193,301
-50,042
-21% -$738K ﹤0.01% 895
2021
Q4 		$5.75M Sell
243,343
-6,657
-3% -$155K 0.01% 801
2021
Q3 		$6.37M Sell
250,000
-157,899
-39% -$3.69M 0.01% 800
2021
Q2 		$8.56M Sell
407,899
-100,000
-20% -$2.05M 0.02% 734
2021
Q1 		$11.9M Buy
+507,899
New +$9.81M 0.02% 620

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
Fiera Capital (Canada)
Fiera Capital (Canada) Montreal, Quebec, Canada $29.2B AUM 20.16% 1-Year Est. Return

Adage Capital Partners's IDYA Position: Q1 2026 in Review

Adage Capital Partners increased its IDEAYA Biosciences (IDYA) stake by 0.84% in Q1 2026, buying an estimated $788K and bringing the position to 2,823,500 shares worth $94.1M. The position accounts for 0.15% of the portfolio, ranked #143.

Adage Capital Partners first reported a position in IDYA in Q1 2021 and has held it in 21 quarters since. The position peaked at $108M in Q1 2024. 253 funds tracked by Wall St. Rank hold IDYA as of Q1 2026.

  • Adage Capital Partners held 2,823,500 shares of IDEAYA Biosciences worth $94.1M as of Q1 2026.
  • Adage Capital Partners bought 23,500 IDEAYA Biosciences shares in Q1 2026, an estimated $788K.
  • IDEAYA Biosciences made up 0.15% of Adage Capital Partners's portfolio in Q1 2026, its #143 holding.
  • Adage Capital Partners first reported a position in IDEAYA Biosciences in Q1 2021 and has held it in 21 quarters since.
  • Adage Capital Partners's IDEAYA Biosciences position peaked at $108M in Q1 2024.
  • 253 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.