STATE STREET CORP

Position in XFOR — X4 Pharmaceuticals, Inc

CIK 93751 BOSTON, MA

Back to XFOR Full portfolio

Position in XFOR

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$6,052,399

+$4,385,804 QoQ

Shares Held

1,296,017

+221.2% QoQ

Ownership

1.31%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#21

of 89 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 31% Shared 0% None 69%

Common Shares in XFOR Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

STATE STREET CORP holds $36,881,619,425 across 411 Biotechnology names. XFOR ranks #204 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	11,871,459	$5,896,909,829
2	REGN	Regeneron Pharmaceuticals, Inc.	4,834,688	$3,014,621,355
3	INCY	Incyte Corp	9,722,336	$1,102,124,008
4	MRNA	Moderna, Inc.	15,726,193	$1,101,305,295
5	ALNY	Alnylam Pharmaceuticals, Inc.	3,555,689	$1,070,369,059
6	RVMD	Revolution Medicines, Inc.	4,897,051	$917,119,711
7	RPRX	Royalty Pharma plc	12,338,229	$691,804,500
8	INSM	INSMED Inc	6,052,174	$645,282,791

All Filings in XFOR

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,052,399	1,296,017	+221.2%	Shares	Defined	2026-08-07
2026-03-31	$1,666,595	403,534	+103.6%	Shares	Defined	2026-05-15
2025-12-31	$792,936	198,234	+411.8%	Shares	Defined	2026-02-13
2025-09-30	$132,470	38,734	+149.3%	Shares	Defined	2025-11-14
2025-06-30	$29,514	15,534	-99.5%	Shares	Defined	2025-08-14
2025-03-31	$720,999	3,055,081	-0.1%	Shares	Defined	2025-05-15
2024-12-31	$2,244,055	3,057,297	+3.5%	Shares	Defined	2025-02-14
2024-09-30	$1,975,486	2,952,895	+6.8%	Shares	Defined	2024-11-14
2024-06-30	$1,602,998	2,763,790	+9.5%	Shares	Defined	2024-08-14
2024-03-31	$3,507,741	2,523,555	+3.9%	Shares	Defined	2024-05-15
2023-12-31	$2,036,914	2,427,789	+2.1%	Shares	Defined	2024-02-14
2023-09-30	$2,592,702	2,378,626	+7.2%	Shares	Defined	2023-11-14
2023-06-30	$4,305,991	2,219,583	+1200.8%	Shares	Defined	2023-08-14
2023-03-31	$148,450	170,633	0.0%	Shares	Defined	2023-05-15
2022-12-31	$169,438	170,633	+211.8%	Shares	Defined	2023-05-15
2022-09-30	$93,593	54,733	0.0%	Shares	Defined	2022-11-15
2022-06-30	$52,817	54,733	0.0%	Shares	Defined	2022-08-15
2022-03-31	$95,782	54,733	+12.9%	Shares	Defined	2022-05-16
2021-12-31	$111,019	48,480	0.0%	Shares	Defined	2022-02-14
2021-09-30	$256,459	48,480	0.0%	Shares	Defined	2021-11-15
2021-06-30	$315,119	48,480	-82.5%	Shares	Defined	2021-08-16
2021-03-31	$2,383,592	276,840	-32.5%	Shares	Defined	2021-07-09
2020-12-31	$2,635,721	409,910	-3.1%	Shares	Defined	2021-02-16
2020-09-30	$2,864,292	423,086	+0.7%	Shares	Defined	2020-11-10
2020-06-30	$3,917,065	420,286	+52.9%	Shares	Defined	2020-08-14
2020-03-31	$2,749,549	274,955	—	Shares	Defined	2020-06-19
No filing history on record for this holder in this stock.