CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

Pension

Position in XFOR — X4 Pharmaceuticals, Inc

CIK 1081019 WEST SACRAMENTO, CA

Position in XFOR

as of Jun 30, 2026 · filed Aug 24, 2026 Compact

Position Value

$5,197

+$2,324 QoQ

Shares Held

1,113

+174.1% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#81

of 89 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $1,007,510,813 across 262 Biotechnology names. XFOR ranks #193 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
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

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$5,197	1,113	-90.9%	Shares	Sole	2026-08-24
2025-03-31	$2,873	12,176	0.0%	Shares	Sole	2025-05-15
2024-12-31	$8,937	12,176	0.0%	Shares	Sole	2025-03-18
2024-09-30	$8,145	12,176	0.0%	Shares	Sole	2025-04-04
2024-06-30	$7,062	12,176	-3.3%	Shares	Sole	2025-04-08
2024-03-31	$17,504	12,593	-37.9%	Shares	Sole	2024-05-16
2023-12-31	$17,002	20,265	-25.4%	Shares	Sole	2024-02-13
2023-09-30	$29,612	27,167	-33.7%	Shares	Sole	2023-11-14
2023-06-30	$79,454	40,956	+65.9%	Shares	Sole	2023-08-21
2021-03-31	$212,503	24,681	+4.8%	Shares	Sole	2021-05-18
2020-12-31	$151,368	23,541	0.0%	Shares	Sole	2021-02-16
2020-09-30	$159,372	23,541	+0.4%	Shares	Sole	2020-11-17
2020-06-30	$218,507	23,445	0.0%	Shares	Sole	2020-08-17
2020-03-31	$234,449	23,445	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.