Vanguard Group
IDYA icon

Vanguard Group’s IDEAYA Biosciences IDYA Stock Holding History

Vanguard Group’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
Q4 		$174M Buy
5,019,324
+97,116
+2% +$3.1M ﹤0.01% 1619
2025
Q3 		$134M Sell
4,922,208
-19,737
-0.4% -$477K ﹤0.01% 1729
2025
Q2 		$104M Sell
4,941,945
-150,674
-3% -$2.89M ﹤0.01% 1817
2025
Q1 		$83.4M Buy
5,092,619
+14,535
+0.3% +$310K ﹤0.01% 1870
2024
Q4 		$131M Buy
5,078,084
+282,936
+6% +$8.01M ﹤0.01% 1743
2024
Q3 		$152M Buy
4,795,148
+528,375
+12% +$20M ﹤0.01% 1684
2024
Q2 		$150M Buy
4,266,773
+111,016
+3% +$4.4M ﹤0.01% 1656
2024
Q1 		$182M Buy
4,155,757
+679,985
+20% +$29.2M ﹤0.01% 1583
2023
Q4 		$124M Buy
3,475,772
+504,275
+17% +$15.1M ﹤0.01% 1748
2023
Q3 		$80.2M Buy
2,971,497
+141,844
+5% +$3.6M ﹤0.01% 1920
2023
Q2 		$66.5M Buy
2,829,653
+508,655
+22% +$10.5M ﹤0.01% 2060
2023
Q1 		$31.9M Buy
2,320,998
+31,196
+1% +$520K ﹤0.01% 2390
2022
Q4 		$41.6M Buy
2,289,802
+365,202
+19% +$6.14M ﹤0.01% 2272
2022
Q3 		$28.7M Buy
1,924,600
+171,759
+10% +$2.23M ﹤0.01% 2465
2022
Q2 		$24.2M Buy
1,752,841
+176,584
+11% +$1.96M ﹤0.01% 2549
2022
Q1 		$17.6M Buy
1,576,257
+62,134
+4% +$916K ﹤0.01% 2841
2021
Q4 		$35.8M Buy
1,514,123
+98,175
+7% +$2.28M ﹤0.01% 2534
2021
Q3 		$36.1M Buy
1,415,948
+345,014
+32% +$8.06M ﹤0.01% 2540
2021
Q2 		$22.5M Buy
1,070,934
+192,252
+22% +$3.95M ﹤0.01% 2779
2021
Q1 		$20.6M Buy
878,682
+161,055
+22% +$3.11M ﹤0.01% 2767
2020
Q4 		$10M Buy
717,627
+24,309
+4% +$329K ﹤0.01% 2991
2020
Q3 		$8.71M Buy
693,318
+192,926
+39% +$2.39M ﹤0.01% 2856
2020
Q2 		$7.11M Buy
500,392
+411,874
+465% +$3.24M ﹤0.01% 2921
2020
Q1 		$365K Buy
88,518
+10,851
+14% +$76.8K ﹤0.01% 3735
2019
Q4 		$582K Sell
77,667
-1,053
-1% -$7.51K ﹤0.01% 3767
2019
Q3 		$708K Buy
78,720
+43,720
+125% +$334K ﹤0.01% 3736
2019
Q2 		$349K Buy
+35,000
New +$381K ﹤0.01% 3887

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
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return
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
Fiera Capital (Canada)
Fiera Capital (Canada) Montreal, Quebec, Canada $27.6B AUM 23.56% 1-Year Est. Return

Vanguard Group's IDYA Position: Q4 2025 in Review

Vanguard Group increased its IDEAYA Biosciences (IDYA) stake by 2% in Q4 2025, buying an estimated $3.1M and bringing the position to 5,019,324 shares worth $174M. The position accounts for ﹤0.01% of the portfolio, ranked #1619.

Vanguard Group first reported a position in IDYA in Q2 2019 and has held it in 27 quarters since. The position peaked at $182M in Q1 2024. 246 funds tracked by Wall St. Rank hold IDYA as of Q4 2025.

  • Vanguard Group held 5,019,324 shares of IDEAYA Biosciences worth $174M as of Q4 2025.
  • Vanguard Group bought 97,116 IDEAYA Biosciences shares in Q4 2025, an estimated $3.1M.
  • IDEAYA Biosciences made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #1619 holding.
  • Vanguard Group first reported a position in IDEAYA Biosciences in Q2 2019 and has held it in 27 quarters since.
  • Vanguard Group's IDEAYA Biosciences position peaked at $182M in Q1 2024.
  • 246 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.