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Avidity Partners Management’s IDEAYA Biosciences IDYA Stock Holding History

Avidity Partners Management’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
2025
Q2 		– Sell
-445,000
Closed -$7.29M – 70
2025
Q1 		$7.29M Sell
445,000
-681,700
-61% -$14.5M 1.39% 31
2024
Q4 		$29M Sell
1,126,700
-246,300
-18% -$6.97M 2.84% 10
2024
Q3 		$43.5M Buy
1,373,000
+256,000
+23% +$9.71M 2.22% 13
2024
Q2 		$39.2M Buy
1,117,000
+317,300
+40% +$12.6M 1.67% 23
2024
Q1 		$35.1M Sell
799,700
-720,300
-47% -$31M 1.13% 34
2023
Q4 		$54.1M Sell
1,520,000
-624,971
-29% -$18.7M 1.97% 18
2023
Q3 		$57.9M Sell
2,144,971
-840,729
-28% -$21.3M 2.33% 9
2023
Q2 		$70.2M Sell
2,985,700
-687,700
-19% -$14.1M 2.45% 7
2023
Q1 		$50.4M Sell
3,673,400
-151,400
-4% -$2.52M 1.67% 23
2022
Q4 		$69.5M Buy
3,824,800
+109,400
+3% +$1.84M 1.51% 24
2022
Q3 		$55.4M Buy
3,715,400
+742,453
+25% +$9.64M 1.13% 33
2022
Q2 		$41M Buy
2,972,947
+282,947
+11% +$3.15M 0.94% 31
2022
Q1 		$30.1M Buy
2,690,000
+137,000
+5% +$2.02M 0.63% 41
2021
Q4 		$60.4M Buy
2,553,000
+116,000
+5% +$2.69M 1.28% 29
2021
Q3 		$62.1M Buy
2,437,000
+367,000
+18% +$8.57M 1.38% 28
2021
Q2 		$43.4M Buy
2,070,000
+598,000
+41% +$12.3M 1.17% 31
2021
Q1 		$34.6M Buy
+1,472,000
New +$28.4M 0.96% 38
2020
Q4 		– Sell
-1,050,800
Closed -$13.2M – 109
2020
Q3 		$13.2M Sell
1,050,800
-280,300
-21% -$3.47M 0.61% 44
2020
Q2 		$18.9M Buy
+1,331,100
New +$10.5M 1.21% 33

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
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
LGM
Logos Global Management San Francisco, California $2B AUM 444.09% 1-Year Est. Return

Avidity Partners Management's IDYA Position: Q2 2025 in Review

Avidity Partners Management sold out of IDEAYA Biosciences (IDYA) in Q2 2025, closing a stake of 445,000 shares — an estimated $7.29M sold.

Avidity Partners Management first reported a position in IDYA in Q2 2020 and held it in 19 quarters. The position peaked at $70.2M in Q2 2023. 204 funds tracked by Wall St. Rank hold IDYA as of Q2 2025.

  • Avidity Partners Management reported no remaining IDEAYA Biosciences position as of Q2 2025 after selling out during the quarter.
  • Avidity Partners Management sold 445,000 IDEAYA Biosciences shares in Q2 2025, an estimated $7.29M.
  • Avidity Partners Management first reported a position in IDEAYA Biosciences in Q2 2020 and held it in 19 quarters.
  • Avidity Partners Management's IDEAYA Biosciences position peaked at $70.2M in Q2 2023.
  • 204 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q2 2025.

Based on Avidity Partners Management's 13F filing for Q2 2025, filed 14 Aug 2025.