OptimumBank Holdings, Inc.
Ownership
Ownership Structure
Who owns OptimumBank Holdings, Inc. (OPHC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 82.0% of the shares are freely tradable; institutional investors hold 13.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| AllianceBernstein L.P. | 4.62 | 583,735 | +19.2 | 03/31/2026 |
| Wellington Management Company LLP | 3.42 | 431,634 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.73 | 344,143 | +0.0 | 03/31/2026 |
| Renaissance Technologies Corp | 0.99 | 124,600 | +13.1 | 03/31/2026 |
| Susquehanna International Group, LLP | 0.95 | 119,758 | -51.4 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 0.79 | 100,002 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 0.63 | 79,485 | -21.1 | 03/31/2026 |
| Mink Brook Asset Management LLC | 0.62 | 78,552 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.24 | 282,439 | +0.0 | 07/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.96 | 121,503 | +0.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.