343 institutions reported holding $3.87B of Copt Defense Properties (OFC) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($651.8M), VANGUARD PORTFOLIO MANAGEMENT LLC ($362.9M), ALLIANCEBERNSTEIN L.P. ($245.7M), STATE STREET CORP ($211.3M), VANGUARD CAPITAL MANAGEMENT LLC ($154.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $651.8M | 21.3M | Added |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $362.9M | 11.9M | New |
| 3 | ALLIANCEBERNSTEIN L.P. | $245.7M | 8.8M | Trimmed |
| 4 | STATE STREET CORP | $211.3M | 6.8M | Added |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $154.6M | 5.1M | New |
| 6 | JPMORGAN CHASE & CO | $150.2M | 4.9M | Added |
| 7 | EARNEST PARTNERS LLC | $138.4M | 4.5M | Trimmed |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $100.0M | 3.3M | Added |
| 9 | WESTWOOD HOLDINGS GROUP INC | $99.3M | 3.2M | Trimmed |
| 10 | Channing Capital Management, LLC | $91.2M | 3.0M | Added |
| 11 | BANK OF AMERICA CORP /DE/ | $71.0M | 2.3M | Trimmed |
| 12 | SEI INVESTMENTS CO | $70.2M | 2.3M | Trimmed |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $68.8M | 2.2M | Trimmed |
| 14 | TWO SIGMA INVESTMENTS, LP | $68.7M | 2.2M | Added |
| 15 | MORGAN STANLEY | $68.0M | 2.2M | Added |
| 16 | DEUTSCHE BANK AG\ | $53.7M | 1.8M | Added |
| 17 | PRINCIPAL FINANCIAL GROUP INC | $53.7M | 1.8M | Trimmed |
| 18 | DIMENSIONAL FUND ADVISORS LP | $51.5M | 1.7M | Added |
| 19 | GRS Advisors, LLC | $50.5M | 1.7M | Added |
| 20 | NORTHERN TRUST CORP | $49.2M | 1.6M | Added |
| 21 | GOLDMAN SACHS GROUP INC | $44.7M | 1.5M | Added |
| 22 | AQR CAPITAL MANAGEMENT LLC | $43.2M | 1.4M | Trimmed |
| 23 | Bank of New York Mellon Corp | $40.3M | 1.3M | Added |
| 24 | Nuveen, LLC | $36.5M | 1.2M | Trimmed |
| 25 | MILLENNIUM MANAGEMENT LLC | $31.0M | 1.0M | Added |
Source: SEC Form 13F filings · as of 2026-03-31