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, Q1 2026
Institutional positions in PIMCO Corporate & Income Opportunity Fund as of Mar 31, 2026. 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
- 222
- +11 vs. Q4 2025
- Shares held
- 33.5M
- +1.51M (+4.7%) vs. Q4 2025
- Total value
- $405.5M
- −$8.59M (−2.1%) vs. Q4 2025
- New holders
- 40
- 83 more added
- Sold out
- 29
- 52 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding PIMCO Corporate & Income Opportunity Fund; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Golden State Equity Partners | 368,364 | $4.44M | 0.34% | +192,518+109.5% | Added |
| Independent Advisor Alliance | 371,808 | $4.48M | 0.05% | +357,679+2,531.5% | Added |
| Kestra Advisory Services, LLC | 409,373 | $4.94M | 0.02% | +5,791+1.4% | Added |
| Commonwealth Equity Services, LLC | 458,924 | $5.53M | 0.01% | −37,137−7.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 500,164 | $6.03M | 0.02% | +1,525+0.3% | Added |
| Accel Wealth Management | 504,396 | $6.08M | 1.59% | +1,814+0.4% | Added |
| Equitable Holdings, Inc. | 548,471 | $7.08M | 0.05% | +99,549+22.2% | Added |
| Royal Bank of Canada | 600,310 | $7.24M | 0.00% | +16,237+2.8% | Added |
| Guggenheim Capital LLC | 615,024 | $7.42M | 0.06% | +204,329+49.8% | Added |
| PFG Investments, LLC | 627,325 | $7.57M | 0.35% | −3,549−0.6% | Reduced |
| Private Advisor Group, LLC | 656,503 | $7.92M | 0.04% | −129,341−16.5% | Reduced |
| Logan Stone Capital, LLC | 784,874 | $9.47M | 2.63% | −164,211−17.3% | Reduced |
| Advisor Group Holdings, Inc. | 817,243 | $9.86M | 0.01% | +766+0.1% | Added |
| Envestnet Asset Management Inc | 836,914 | $10.1M | 0.00% | +55,711+7.1% | Added |
| Cetera Investment Advisers | 1,153,947 | $13.9M | 0.01% | +33,527+3.0% | Added |
| Invesco Ltd. | 1,376,934 | $16.6M | 0.00% | +52,237+3.9% | Added |
| Merrithew & Thorsten Inc | 1,523,119 | $18.4M | 17.32% | −4,865−0.3% | Reduced |
| XML Financial, LLC | 1,591,047 | $19.2M | 1.55% | −5,608−0.4% | Reduced |
| Wells Fargo & Company | 2,144,104 | $25.9M | 0.01% | +1,516,862+241.8% | Added |
| Morgan Stanley | 2,579,936 | $31.1M | 0.00% | +63,243+2.5% | Added |
| Northwestern Mutual Wealth Management Co | 2,717,641 | $32.8M | 0.02% | +129,508+5.0% | Added |
| LPL Financial LLC | 2,741,887 | $33.1M | 0.01% | +85,349+3.2% | Added |
| Marex Group plc | 0 | $0 | 0.00% | −271,902−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −85,254−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −61,981−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −48,066−100.0% | Sold out |
| Presper Financial Architects, LLC | 0 | $0 | 0.00% | −45,638−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −45,064−100.0% | Sold out |
| Cahill Financial Advisors Inc | 0 | $0 | 0.00% | −36,162−100.0% | Sold out |
| Dodds Wealth, LLC | 0 | $0 | 0.00% | −23,113−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −20,850−100.0% | Sold out |
| Miracle Mile Advisors, LLC | 0 | $0 | 0.00% | −20,388−100.0% | Sold out |
| StoneX Group Inc. | 0 | $0 | 0.00% | −20,325−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −20,305−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −18,653−100.0% | Sold out |
| CFO4Life Group, LLC | 0 | $0 | 0.00% | −17,458−100.0% | Sold out |
| GSB Wealth Management, LLC | 0 | $0 | 0.00% | −16,455−100.0% | Sold out |
| Elevatus Welath Management | 0 | $0 | 0.00% | −10,131−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −7,300−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −6,000−100.0% | Sold out |
| Estate Planners Group, LLC | 0 | $0 | 0.00% | −5,010−100.0% | Sold out |
| Cresta Advisors, Ltd. | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −3,783−100.0% | Sold out |
| Garton & Associates Financial Advisors LLC | 0 | $0 | 0.00% | −3,256−100.0% | Sold out |
| Vermillion & White Wealth Management Group, LLC | 0 | $0 | 0.00% | −2,090−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −752−100.0% | Sold out |
| Indiana Trust & Investment Management CO | 0 | $0 | 0.00% | −649−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Coastline Trust Co | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −62−100.0% | Sold out |
| St Germain D J Co Inc | 0 | $0 | 0.00% | −36−100.0% | Sold out |
| Prosperity Wealth Management, Inc. | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Trust Co of Vermont | – | – | – | – | Not filed |