BlackRock Portfolio Management LLC - 31 Dec 2025 SCHEDULE 13G Report for iShares U.S. Thematic Rotation Active ETF Common Stock (THRO)

Filing Manager: BlackRock Portfolio Management LLC
Reporting Manager: BlackRock Portfolio Management LLC
Security: iShares U.S. Thematic Rotation Active ETF Common Stock
Symbol: THRO
Shares outstanding: 189,820,015 shares
Disclosed Ownership: 12,907,761 shares
Ownership: 6.8%
Form type: SCHEDULE 13G
Filing time: 21 Jan 2026, 12:26:45 UTC
Date of event: 31 Dec 2025
Previous filing: 03 Apr 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	6.8%	12,907,761	12,896,012	0	Spencer Fleming	Managing Director