PIMCO Corporate & Income Opportunity Fund
PTY- Exchange
- NYSE
- SEC CIK
- 0001190935
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.
13F holders, Q4 2025
Institutional positions in PIMCO Corporate & Income Opportunity Fund as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 216
- +17 vs. Q3 2025
- Shares held
- 32.1M
- +4.33M (+15.6%) vs. Q3 2025
- Total value
- $415.5M
- +$13.7M (+3.4%) vs. Q3 2025
- New holders
- 44
- 70 more added
- Sold out
- 27
- 60 more reduced
4 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PTY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 222 | $421.1M |
| Q1 2026 | 222 | $405.5M |
| Q4 2025 | 216 | $415.5M |
| Q3 2025 | 203 | $402.8M |
| Q2 2025 | 204 | $368.6M |
| Q1 2025 | 192 | $337.1M |
| Q4 2024 | 194 | $317.9M |
| Q3 2024 | 181 | $293.1M |
| Q2 2024 | 166 | $276.0M |
| Q1 2024 | 157 | $252.4M |
| Q4 2023 | 169 | $215.1M |
| Q3 2023 | 159 | $219.0M |
| Q2 2023 | 151 | $229.4M |
| Q1 2023 | 145 | $189.4M |
| Q4 2022 | 155 | $146.1M |
| Q3 2022 | 142 | $122.3M |
| Q2 2022 | 148 | $133.3M |
| Q1 2022 | 142 | $165.6M |
| Q4 2021 | 148 | $164.4M |
| Q3 2021 | 138 | $187.5M |
| Q2 2021 | 132 | $174.3M |
| Q1 2021 | 126 | $160.3M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding PIMCO Corporate & Income Opportunity Fund; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Massmutual Trust Co FSB | 2 | $26 | 0.00% | 00.0% | Unchanged |
| St Germain D J Co Inc | 36 | $464 | 0.00% | +36 | New |
| Tower Research Capital LLC (TRC) | 62 | $800 | 0.00% | +62 | New |
| Assetmark, Inc | 98 | $1.26K | 0.00% | −1,328−93.1% | Reduced |
| Coastline Trust Co | 100 | $1.29K | 0.00% | 00.0% | Unchanged |
| Hoey Investments, Inc | 151 | $1.95K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 200 | $2.58K | 0.00% | 00.0% | Unchanged |
| Kerr Financial Planning Corp | 214 | $2.79K | 0.00% | +5+2.4% | Added |
| Sound Income Strategies, LLC | 226 | $2.95K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 300 | $3.87K | 0.00% | 00.0% | Unchanged |
| Highline Wealth Partners LLC | 300 | $3.87K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 383 | $4.94K | 0.00% | 00.0% | Unchanged |
| McGuire Capital Advisors Inc | 436 | $5.62K | 0.00% | +436 | New |
| Root Financial Partners, LLC | 500 | $6.45K | 0.00% | −200−28.6% | Reduced |
| Boyd Watterson Asset Management LLC | 500 | $6.45K | 0.00% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 602 | $7.80K | 0.00% | 00.0% | Unchanged |
| Coston, McIsaac & Partners | 656 | $8.00K | 0.00% | −11,402−94.6% | Reduced |
| Indiana Trust & Investment Management CO | 649 | $8.37K | 0.00% | +649 | New |
| Fortitude Family Office, LLC | 700 | $9.03K | 0.00% | 00.0% | Unchanged |
| Mark Sheptoff Financial Planning, LLC | 700 | $9.03K | 0.00% | +700 | New |
| Moisand Fitzgerald Tamayo, LLC | 745 | $9.61K | 0.00% | 00.0% | Unchanged |
| Flagship Harbor Advisors, LLC | 752 | $9.71K | 0.00% | +752 | New |
| Crewe Advisors LLC | 850 | $11.0K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 850 | $11.0K | 0.00% | 00.0% | Unchanged |
| Pin Oak Investment Advisors Inc | 1,206 | $16.0K | 0.01% | −507−29.6% | Reduced |
| Princeton Global Asset Management LLC | 1,300 | $16.8K | 0.00% | +33+2.6% | Added |
| CoreCap Advisors, LLC | 1,300 | $16.8K | 0.00% | −650−33.3% | Reduced |
| CX Institutional | 1,474 | $19.0K | 0.00% | −750−33.7% | Reduced |
| CIBC Private Wealth Group, LLC | 1,500 | $19.4K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 1,500 | $19.4K | 0.00% | +1,500 | New |
| Bogart Wealth, LLC | 1,600 | $20.6K | 0.00% | 00.0% | Unchanged |
| Align Financial, LLC | 22,575 | $22.6K | 0.01% | +22,575 | New |
| Eastern Bank | 1,800 | $23.2K | 0.00% | 00.0% | Unchanged |
| Heritage Wealth Advisors | 1,920 | $24.8K | 0.00% | 00.0% | Unchanged |
| Vermillion & White Wealth Management Group, LLC | 2,090 | $27.0K | 0.01% | +2,090 | New |
| Webster Bank, N. A. | 2,200 | $28.4K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 2,500 | $32.3K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 2,694 | $34.8K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 3,000 | $38.7K | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 3,200 | $41.0K | 0.01% | 00.0% | Unchanged |
| Garton & Associates Financial Advisors LLC | 3,256 | $42.0K | 0.02% | +3,256 | New |
| Bank of New Hampshire | 3,425 | $44.2K | 0.01% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 3,783 | $48.8K | 0.02% | 00.0% | Unchanged |
| Essential Investment Partners LLC | 3,850 | $49.7K | 0.05% | +3,850 | New |
| Cresta Advisors, Ltd. | 4,000 | $51.6K | 0.02% | +4,000 | New |
| Bartlett & Co. Wealth Management LLC | 4,298 | $56.0K | 0.00% | +4,298 | New |
| Spire Wealth Management | 4,481 | $57.8K | 0.00% | −599−11.8% | Reduced |
| Estate Planners Group, LLC | 5,010 | $64.6K | 0.03% | +5,010 | New |
| Parallel Advisors, LLC | 5,414 | $69.8K | 0.00% | −1,639−23.2% | Reduced |
| TD Waterhouse Canada Inc. | 6,000 | $77.3K | 0.00% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 6,109 | $78.8K | 0.01% | 00.0% | Unchanged |
| CWM, LLC | 6,355 | $82.0K | 0.00% | +2,751+76.3% | Added |
| Toth Financial Advisory Corp | 7,300 | $94.2K | 0.01% | +7,300 | New |
| The PNC Financial Services Group, Inc. | 7,672 | $99.0K | 0.00% | −7,099−48.1% | Reduced |
| Ameriflex Group, Inc. | 8,100 | $104.5K | 0.05% | −8,700−51.8% | Reduced |
| EverSource Wealth Advisors, LLC | 8,950 | $115.5K | 0.00% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 10,029 | $129.4K | 0.01% | +8+0.1% | Added |
| Elevatus Welath Management | 10,131 | $130.7K | 0.04% | +10,131 | New |
| Stephens Inc | 10,200 | $131.6K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 10,828 | $139.7K | 0.01% | −127−1.2% | Reduced |
| Advisory Advocates, LLC | 11,541 | $148.9K | 0.15% | +11,541 | New |
| Wedbush Securities Inc | 11,709 | $151.0K | 0.00% | −1,497−11.3% | Reduced |
| Global Retirement Partners, LLC | 11,739 | $151.4K | 0.00% | +120+1.0% | Added |
| Beacon Pointe Advisors, LLC | 11,815 | $152.4K | 0.00% | −4,055−25.6% | Reduced |
| Colony Group, LLC | 12,463 | $160.8K | 0.00% | +12,463 | New |
| Scotia Capital Inc. | 13,074 | $168.7K | 0.00% | +13,074 | New |
| BlackRock, Inc. | 13,160 | $169.8K | 0.00% | +13,160 | New |
| Farther Finance Advisors, LLC | 13,233 | $170.7K | 0.00% | +4,763+56.2% | Added |
| Instrumental Wealth, LLC | 13,292 | $170.8K | 0.10% | −44−0.3% | Reduced |
| Insigneo Advisory Services, LLC | 13,502 | $174.2K | 0.01% | +970+7.7% | Added |
| Beacon Financial Advisory LLC | 13,503 | $174.2K | 0.04% | +1,583+13.3% | Added |
| Two Sigma Securities, LLC | 14,064 | $181.4K | 0.02% | −5,093−26.6% | Reduced |
| Independent Advisor Alliance | 14,129 | $182.3K | 0.00% | +3,521+33.2% | Added |
| HighPoint Advisor Group LLC | 14,750 | $190.3K | 0.00% | +14,750 | New |
| Disciplined Investments, LLC | 15,000 | $193.5K | 0.07% | 00.0% | Unchanged |
| Allworth Financial LP | 15,155 | $195.5K | 0.00% | −201−1.3% | Reduced |
| McAdam, LLC | 15,317 | $197.6K | 0.01% | +15,317 | New |
| GSB Wealth Management, LLC | 16,455 | $212.3K | 0.05% | −4,023−19.6% | Reduced |
| Institute for Wealth Management, LLC. | 16,669 | $215.0K | 0.02% | +50+0.3% | Added |
| Fulton Breakefield Broenniman LLC | 16,745 | $216.0K | 0.01% | 00.0% | Unchanged |
| Patten & Patten Inc | 16,996 | $219.2K | 0.01% | +430+2.6% | Added |
| CFO4Life Group, LLC | 17,458 | $225.2K | 0.03% | 00.0% | Unchanged |
| Comerica Bank | 17,565 | $226.6K | 0.00% | +487+2.9% | Added |
| Wealth Alliance Advisory Group, LLC | 17,847 | $230.2K | 0.04% | 00.0% | Unchanged |
| Great Valley Advisor Group, Inc. | 17,950 | $231.6K | 0.00% | −545−2.9% | Reduced |
| RSM US Wealth Management LLC | 17,995 | $235.1K | 0.00% | −4,893−21.4% | Reduced |
| Prospera Financial Services Inc | 18,653 | $240.6K | 0.00% | +3,902+26.5% | Added |
| Sym Financial Corp | 19,253 | $248.4K | 0.03% | +606+3.2% | Added |
| VestGen Advisors, LLC | 19,400 | $250.3K | 0.01% | −3,500−15.3% | Reduced |
| Verus Capital Partners, LLC | 19,435 | $250.7K | 0.02% | +191+1.0% | Added |
| Madison Wealth Partners, Inc | 19,622 | $253.1K | 0.05% | −21,248−52.0% | Reduced |
| Nomura Holdings Inc | 19,800 | $255.4K | 0.00% | +19,800 | New |
| Sowell Financial Services LLC | 20,305 | $261.9K | 0.01% | +246+1.2% | Added |
| StoneX Group Inc. | 20,325 | $262.6K | 0.01% | +20,325 | New |
| Miracle Mile Advisors, LLC | 20,388 | $263.0K | 0.00% | +1,458+7.7% | Added |
| Barclays PLC | 20,850 | $269.0K | 0.00% | +20,850 | New |
| AG Asset Advisory, LLC | 20,956 | $270.3K | 0.23% | −53,656−71.9% | Reduced |
| Patron Partners Advisors, LLC | 21,291 | $274.7K | 0.12% | −130−0.6% | Reduced |
| D.A. Davidson & Co. | 21,448 | $276.7K | 0.00% | −2,318−9.8% | Reduced |
| Iams Wealth Management, LLC | 22,000 | $283.8K | 0.10% | 00.0% | Unchanged |