SIT INVESTMENT ASSOCIATES INC - 31 Dec 2025 SCHEDULE 13G/A Report for Flaherty & Crumrine Preferred & Income Opportunity Fund Inc Common Stock (PFO)

Filing Manager: SIT INVESTMENT ASSOCIATES INC
Reporting Manager: Sit Investment Associates, Inc.
Security: Flaherty & Crumrine Preferred & Income Opportunity Fund Inc Common Stock
Symbol: PFO
Shares outstanding: 13,024,961 shares
Disclosed Ownership: 1,328,546 shares
Ownership: 10%
Form type: SCHEDULE 13G/A
Filing time: 06 Jan 2026, 14:37:39 UTC
Date of event: 31 Dec 2025
Previous filing: 07 Jul 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Sit Investment Associates, Inc.	10%	1,328,546	0	1,328,546	/s/ Paul E. Rasmussen	Paul Rasmussen / Vice President
Sit Fixed Income Advisors II, LLC	10%	1,328,546	0	1,328,546	/s/ Paul E. Rasmussen	Paul Rasmussen / Vice President