BlackRock Portfolio Management LLC - 31 Dec 2025 SCHEDULE 13G/A Report for ISHARES MSCI USA SIZE FACTOR ETF Common Stock (SIZE)

Filing Manager: BlackRock Portfolio Management LLC
Reporting Manager: BlackRock Portfolio Management LLC
Security: ISHARES MSCI USA SIZE FACTOR ETF Common Stock
Symbol: SIZE
Shares outstanding: 2,397,961 shares
Disclosed Ownership: 371,684 shares
Ownership: 16%
Form type: SCHEDULE 13G/A
Filing time: 21 Jan 2026, 12:26:45 UTC
Date of event: 31 Dec 2025
Previous filing: 07 Feb 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BlackRock Portfolio Management LLC	16%	371,684	307,666	0	Spencer Fleming	Managing Director