4 institutions reported holding $30.6M of PUBLIC STORAGE (PSA-PR1) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($19.0M), SIMPLEX TRADING, LLC ($10.8M), GROUP ONE TRADING LLC ($795,775), Vermillion Wealth Management, Inc. ($14,150). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $19.0M | 59,700 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $10.8M | 34,000 | Added |
| 3 | GROUP ONE TRADING LLC | $795,775 | 2,500 | Added |
| 4 | Vermillion Wealth Management, Inc. | $14,150 | 15,000 | New |
Source: SEC Form 13F filings · as of 2026-06-30