CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in IDYA — IDEAYA Biosciences, Inc.
CIK 1081019
WEST SACRAMENTO, CA
Position in IDYA
as of Jun 30, 2026
· filed Aug 24, 2026
Position Value
$3,500,994
+$280,450 QoQ
Shares Held
93,936
-2.8% QoQ
Ownership
0.097%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#87
of 286 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IDYA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $1,007,510,813 across 262 Biotechnology names. IDYA ranks #49 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
383,491 | $190,491,484 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
156,724 | $97,723,682 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
199,861 | $60,164,156 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
238,463 | $44,659,350 | |
| 5 | RPRX |
Royalty Pharma plc
|
699,205 | $39,204,424 | |
| 6 | INSM |
INSMED Inc
|
304,798 | $32,497,562 | |
| 7 | INCY |
Incyte Corp
|
249,988 | $28,338,639 | |
| 8 | MRNA |
Moderna, Inc.
|
395,278 | $27,681,318 |
All Filings in IDYA
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,500,994 | 93,936 | Shares | Sole | 2026-08-24 | |
| 2026-03-31 | $3,220,544 | 96,655 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $2,625,418 | 75,945 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,029,131 | 74,573 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,734,822 | 82,532 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,331,333 | 81,278 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,843,358 | 71,726 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $2,075,927 | 65,528 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $2,205,399 | 62,814 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $2,524,635 | 57,535 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $1,720,613 | 48,359 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $1,484,385 | 55,018 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,405,723 | 59,818 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $690,358 | 50,281 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $928,232 | 51,086 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $703,298 | 47,138 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $526,539 | 38,155 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $414,992 | 37,086 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $959,500 | 40,588 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $451,173 | 17,700 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $812,187 | 38,694 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $625,734 | 26,627 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $337,400 | 24,100 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $302,696 | 24,100 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $257,669 | 18,133 | Shares | Sole | 2020-08-17 | |
| No filing history on record for this holder in this stock. | ||||||