PIMCO Corporate & Income Opportunity Fund

PTY

Exchange: NYSE
SEC CIK: 0001190935

SEC filings (opens in a new tab)

No open-market purchases or sales by PIMCO Corporate & Income Opportunity Fund insiders were filed in the last 90 days; 222 institutions reported holding it in 13F filings for Q2 2026, worth $421.1M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding PIMCO Corporate & Income Opportunity Fund changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of PTY: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	203	4	216	+17
Shares	27.9M	66.2K	32.1M	+4.33M (+15.6%)
Value	$402.8M	$959.1K	$415.5M	+$13.7M (+3.4%)

4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (44)

Institutions that held PIMCO Corporate & Income Opportunity Fund at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to PTY in Q4 2025
Institution	Shares	Value	% of portfolio
Merrithew & Thorsten Inc	1,527,984	$19.7M	20.85%
Rivernorth Capital Management, LLC	1,242,310	$16.0M	0.76%
Logan Stone Capital, LLC	949,085	$12.2M	3.02%
Marex Group plc	271,902	$3.51M	0.04%
XTX Topco Ltd	134,124	$1.73M	0.05%
Vision Retirement, LLC	111,556	$1.44M	0.39%
Susquehanna International Group, LLP	88,316	$1.14M	0.00%
Landscape Capital Management, L.L.C.	85,254	$1.10M	0.07%
Signature Equity Partners, LLC	83,773	$1.08M	0.60%
Fell Capital Management	59,950	$773.4K	0.75%
Thomas J. Herzfeld Advisors, Inc.	55,818	$720.1K	0.24%
Readystate Asset Management LP	40,936	$528.1K	0.02%
Arkadios Wealth Advisors	40,108	$517.4K	0.01%
Pensionmark Financial Group, LLC	31,755	$409.6K	0.01%
United Capital Financial Advisers, LLC	25,688	$331.4K	0.00%
CDKV Holdings LLC	25,390	$327.5K	0.28%
Park Avenue Securities LLC	24,429	$315.0K	0.00%
Northern Trust Corp	24,357	$314.2K	0.00%
Thrivent Financial for Lutherans	22,815	$294.0K	0.00%
Barclays PLC	20,850	$269.0K	0.00%
StoneX Group Inc.	20,325	$262.6K	0.01%
Nomura Holdings Inc	19,800	$255.4K	0.00%
McAdam, LLC	15,317	$197.6K	0.01%
HighPoint Advisor Group LLC	14,750	$190.3K	0.00%
BlackRock, Inc.	13,160	$169.8K	0.00%
Scotia Capital Inc.	13,074	$168.7K	0.00%
Colony Group, LLC	12,463	$160.8K	0.00%
Advisory Advocates, LLC	11,541	$148.9K	0.15%
Elevatus Welath Management	10,131	$130.7K	0.04%
Toth Financial Advisory Corp	7,300	$94.2K	0.01%
Estate Planners Group, LLC	5,010	$64.6K	0.03%
Bartlett & Co. Wealth Management LLC	4,298	$56.0K	0.00%
Cresta Advisors, Ltd.	4,000	$51.6K	0.02%
Essential Investment Partners LLC	3,850	$49.7K	0.05%
Garton & Associates Financial Advisors LLC	3,256	$42.0K	0.02%
Vermillion & White Wealth Management Group, LLC	2,090	$27.0K	0.01%
Align Financial, LLC	22,575	$22.6K	0.01%
Pinnacle Wealth Planning Services, Inc.	1,500	$19.4K	0.00%
Flagship Harbor Advisors, LLC	752	$9.71K	0.00%
Mark Sheptoff Financial Planning, LLC	700	$9.03K	0.00%
Indiana Trust & Investment Management CO	649	$8.37K	0.00%
McGuire Capital Advisors Inc	436	$5.62K	0.00%
Tower Research Capital LLC (TRC)	62	$800	0.00%
St Germain D J Co Inc	36	$464	0.00%

Sold out (27)

Institutions that held PIMCO Corporate & Income Opportunity Fund at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of PTY in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Axxcess Wealth Management, LLC	474,234	$6.85M
Consolidated Portfolio Review Corp	131,458	$1.90M
Cliftonlarsonallen Wealth Advisors, LLC	120,499	$1.74M
M&T Bank Corp	117,987	$1.70M
Integrity Alliance, LLC.	106,477	$1.54M
Capital Advisory Group Advisory Services, LLC	46,365	$669.5K
Integrity Financial Corp	40,921	$595.8K
RMG Wealth Management LLC	40,076	$534.0K
Objective Capital Management, LLC	30,051	$433.9K
Neuberger Berman Group LLC	24,210	$349.6K
Avestar Capital, LLC	23,000	$334.9K
Virtu Financial LLC	20,196	$292.0K
Ameritas Advisory Services, LLC	15,406	$222.5K
BEAM Asset Management, LLC	14,178	$204.7K
Kestra Private Wealth Services, LLC	12,256	$177.0K
Semus Wealth Partners LLC	11,436	$165.1K
Apollon Wealth Management, LLC	11,095	$160.2K
Modern Wealth Management, LLC	10,920	$157.7K
TFB Advisors LLC	10,197	$146.2K
IHT Wealth Management, LLC	10,109	$146.0K
Aspect Partners, LLC	1,744	$25.2K
J.Safra Asset Management Corp	1,156	$16.7K
Pension & Wealth Management Advisors, Inc.	768	$11.1K
Advisory Services Network, LLC	303	$4.38K
Russell Investments Group, Ltd.	300	$4.33K
Caitlin John, LLC	300	$4.33K
DHJJ Financial Advisors, Ltd.	2	$29

Not filed for Q4 2025 yet (4)

Institutions that held PIMCO Corporate & Income Opportunity Fund at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PTY in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Apexium Financial, LP	25,443	$370.4K
Optimum Investment Advisors	22,900	$330.7K
Gries Financial LLC	17,167	$247.9K
AllSquare Wealth Management LLC	700	$10.1K