CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in IDYA — IDEAYA Biosciences, Inc.

CIK 1081019 WEST SACRAMENTO, CA

Position in IDYA

as of Mar 31, 2026 · filed May 18, 2026 Compact

Position Value

$3,220,544

+$595,126 QoQ

Shares Held

96,655

+27.3% QoQ

Ownership

0.110%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

24 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $883,936,485 across 222 Biotechnology names. IDYA ranks #47 (0.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	373,481	$166,774,205
2	REGN	Regeneron Pharmaceuticals, Inc.	154,201	$119,141,860
3	ALNY	Alnylam Pharmaceuticals, Inc.	196,863	$65,136,060
4	INSM	INSMED Inc	303,182	$49,576,320
5	RPRX	Royalty Pharma plc	759,042	$36,411,244
6	INCY	Incyte Corp	241,287	$22,709,932
7	MRNA	Moderna, Inc.	407,190	$20,685,252
8	RVMD	Revolution Medicines, Inc.	165,277	$16,073,188

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,220,544	96,655	+27.3%	Shares	Sole	2026-05-18
2025-12-31	$2,625,418	75,945	+1.8%	Shares	Sole	2026-02-17
2025-09-30	$2,029,131	74,573	-9.6%	Shares	Sole	2025-11-14
2025-06-30	$1,734,822	82,532	+1.5%	Shares	Sole	2025-08-14
2025-03-31	$1,331,333	81,278	+13.3%	Shares	Sole	2025-05-15
2024-12-31	$1,843,358	71,726	+9.5%	Shares	Sole	2025-03-18
2024-09-30	$2,075,927	65,528	+4.3%	Shares	Sole	2025-04-04
2024-06-30	$2,205,399	62,814	+9.2%	Shares	Sole	2025-04-08
2024-03-31	$2,524,635	57,535	+19.0%	Shares	Sole	2024-05-16
2023-12-31	$1,720,613	48,359	-12.1%	Shares	Sole	2024-02-13
2023-09-30	$1,484,385	55,018	-8.0%	Shares	Sole	2023-11-14
2023-06-30	$1,405,723	59,818	+19.0%	Shares	Sole	2023-08-21
2023-03-31	$690,358	50,281	-1.6%	Shares	Sole	2023-05-09
2022-12-31	$928,232	51,086	+8.4%	Shares	Sole	2023-02-14
2022-09-30	$703,298	47,138	+23.5%	Shares	Sole	2022-11-21
2022-06-30	$526,539	38,155	+2.9%	Shares	Sole	2022-08-15
2022-03-31	$414,992	37,086	-8.6%	Shares	Sole	2022-05-16
2021-12-31	$959,500	40,588	+129.3%	Shares	Sole	2022-02-15
2021-09-30	$451,173	17,700	-54.3%	Shares	Sole	2021-11-15
2021-06-30	$812,187	38,694	+45.3%	Shares	Sole	2021-08-16
2021-03-31	$625,734	26,627	+10.5%	Shares	Sole	2021-05-18
2020-12-31	$337,400	24,100	0.0%	Shares	Sole	2021-02-16
2020-09-30	$302,696	24,100	+32.9%	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.