Who owns PIMCO Corporate & Income Opportunity Fund?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of PTY from SEC Form 13F filings across 223 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 223 institutions disclosed 35.0M shares of PIMCO Corporate & Income Opportunity Fund worth $421.2M — about 16.5% of shares outstanding; the largest disclosed holder is NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO. Source: SEC Form 13F filings, parsed by EvidInvest.
223
13F holders
$421.2M
value, 2026 filers
16.5%
of shares outstanding (35.0M sh)
33
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of PTY's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 2.7M | $32.8M | 0.0% | 1.3% | +0.2% |
| 2 | LPL Financial LLC | 2.6M | $31.8M | 0.0% | 1.2% | -3.5% |
| 3 | MORGAN STANLEY | 2.6M | $31.2M | 0.0% | 1.2% | +0.6% |
| 4 | WELLS FARGO & COMPANY/MN | 2.5M | $29.5M | 0.0% | 1.2% | +14.5% |
| 5 | XML Financial, LLC | 1.8M | $21.1M | 1.5% | 0.8% | +10.3% |
| 6 | Merrithew & Thorsten Inc | 1.5M | $18.0M | 15.3% | 0.7% | -2.0% |
| 7 | Invesco Ltd. | 1.5M | $17.9M | 0.0% | 0.7% | +7.9% |
| 8 | Cetera Investment Advisers | 1.3M | $15.7M | 0.0% | 0.6% | +12.9% |
| 9 | ENVESTNET ASSET MANAGEMENT INC | 949,380 | $11.4M | 0.0% | 0.4% | +13.4% |
| 10 | OSAIC HOLDINGS, INC. | 931,885 | $11.2M | 0.0% | 0.4% | +14.0% |
| 11 | GUGGENHEIM CAPITAL LLC | 794,118 | $9.6M | 0.1% | 0.4% | +29.1% |
| 12 | Logan Stone Capital, LLC | 675,432 | $8.1M | 1.7% | 0.3% | -13.9% |
| 13 | ROYAL BANK OF CANADA | 638,181 | $7.7M | 0.0% | 0.3% | +6.3% |
| 14 | AXXCESS WEALTH MANAGEMENT, LLCNEW | 624,690 | $7.5M | 0.1% | 0.3% | new |
| 15 | Equitable Holdings, Inc. | 553,112 | $6.7M | 0.0% | 0.3% | +0.8% |
| 16 | Cambridge Investment Research Advisors, Inc. | 531,454 | $6.4M | 0.0% | 0.3% | +6.3% |
| 17 | PFG Investments, LLC | 504,390 | $6.1M | 0.2% | 0.2% | -19.6% |
| 18 | Private Advisor Group, LLC | 477,867 | $5.7M | 0.0% | 0.2% | -27.2% |
| 19 | Accel Wealth Management | 448,727 | $5.4M | 1.2% | 0.2% | -11.0% |
| 20 | COMMONWEALTH EQUITY SERVICES, LLC | 441,508 | $5.3M | 0.0% | 0.2% | -3.8% |
| 21 | Kestra Advisory Services, LLC | 413,459 | $5.0M | 0.0% | 0.2% | +1.0% |
| 22 | Evergreen Wealth Management, LLC | 388,873 | $4.7M | 2.2% | 0.2% | +6.4% |
| 23 | Dynamic Advisor Solutions LLC | 382,350 | $4.6M | 0.1% | 0.2% | +9.3% |
| 24 | BANK OF AMERICA CORP /DE/ | 336,236 | $4.0M | 0.0% | 0.2% | +7.8% |
| 25 | Noble Wealth Management PBC | 333,049 | $4.0M | 1.8% | 0.2% | +27.3% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.