California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s IDEAYA Biosciences IDYA Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$3.5M Sell
93,936
-2,719
-3% -$83.2K ﹤0.01% 1293
2026
Q1 		$3.22M Buy
96,655
+20,710
+27% +$695K ﹤0.01% 1272
2025
Q4 		$2.63M Buy
75,945
+1,372
+2% +$43.7K ﹤0.01% 1268
2025
Q3 		$2.03M Sell
74,573
-7,959
-10% -$192K ﹤0.01% 1396
2025
Q2 		$1.73M Buy
82,532
+1,254
+2% +$24.1K ﹤0.01% 1446
2025
Q1 		$1.33M Buy
81,278
+9,552
+13% +$204K ﹤0.01% 1538
2024
Q4 		$1.84M Buy
71,726
+6,198
+9% +$175K ﹤0.01% 1449
2024
Q3 		$2.08M Buy
65,528
+2,714
+4% +$103K ﹤0.01% 1385
2024
Q2 		$2.21M Buy
62,814
+5,279
+9% +$209K ﹤0.01% 1313
2024
Q1 		$2.52M Buy
57,535
+9,176
+19% +$395K ﹤0.01% 1269
2023
Q4 		$1.72M Sell
48,359
-6,659
-12% -$199K ﹤0.01% 1534
2023
Q3 		$1.48M Sell
55,018
-4,800
-8% -$122K ﹤0.01% 1566
2023
Q2 		$1.41M Buy
59,818
+9,537
+19% +$196K ﹤0.01% 1709
2023
Q1 		$690K Sell
50,281
-805
-2% -$13.4K ﹤0.01% 2123
2022
Q4 		$928K Buy
51,086
+3,948
+8% +$66.4K ﹤0.01% 1949
2022
Q3 		$703K Buy
47,138
+8,983
+24% +$117K ﹤0.01% 2138
2022
Q2 		$527K Buy
38,155
+1,069
+3% +$11.9K ﹤0.01% 2366
2022
Q1 		$415K Sell
37,086
-3,502
-9% -$51.6K ﹤0.01% 2461
2021
Q4 		$960K Buy
40,588
+22,888
+129% +$532K ﹤0.01% 2185
2021
Q3 		$451K Sell
17,700
-20,994
-54% -$490K ﹤0.01% 2488
2021
Q2 		$812K Buy
38,694
+12,067
+45% +$248K ﹤0.01% 2349
2021
Q1 		$626K Buy
26,627
+2,527
+10% +$48.8K ﹤0.01% 2418
2020
Q4 		$337K Hold
24,100
– – ﹤0.01% 2604
2020
Q3 		$303K Buy
24,100
+5,967
+33% +$73.9K ﹤0.01% 2531
2020
Q2 		$258K Buy
+18,133
New +$143K ﹤0.01% 2584

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

California State Teachers Retirement System (CalSTRS)'s IDYA Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its IDEAYA Biosciences (IDYA) stake by 2.8% in Q2 2026, selling an estimated $83.2K and leaving 93,936 shares worth $3.5M. The position accounts for ﹤0.01% of the portfolio, ranked #1293.

California State Teachers Retirement System (CalSTRS) first reported a position in IDYA in Q2 2020 and has held it in 25 quarters since. 284 funds tracked by Wall St. Rank hold IDYA as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 93,936 shares of IDEAYA Biosciences worth $3.5M as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) sold 2,719 IDEAYA Biosciences shares in Q2 2026, an estimated $83.2K.
  • IDEAYA Biosciences made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #1293 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in IDEAYA Biosciences in Q2 2020 and has held it in 25 quarters since.
  • 284 funds tracked by Wall St. Rank held IDEAYA Biosciences as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.