OptimumBank Holdings, Inc. (OPHC) Ownership

NYSE American: OPHCTop holders, insider trades and short interest.

OPHC ownership summary

as of October 18, 2026
Institutions
18.8%
of shares outstanding
Insiders
17.98%
of shares outstanding
Shares outstanding
12.6M
Float
10.4M
shares available to trade
Short interest
1.00%
30K shares short
Days to cover
1.14
short interest up 30.4% vs prior month
  • Institutions 18.79%
  • Insiders 17.98%
  • Other investors 63.23%

OPHC top institutional holders

20 largest
OptimumBank Holdings, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1AllianceBernstein L.P.4.88%616K$5.4M+32,433 (+5.6%)June 30, 2026
2Wellington Management Company LLP3.42%432K$3.8M+431,634 (0.0%)June 30, 2026
3Vanguard Capital Management, LLC3.22%406K$3.6M+62,337 (+18.1%)June 30, 2026
4Renaissance Technologies Corp1.23%155K$1.4M+30,451 (+24.4%)June 30, 2026
5Geode Capital Management, LLC0.85%108K$947,914+28,355 (+35.7%)June 30, 2026
6Morgan Stanley - Brokerage Accounts0.79%100K$879,018—June 30, 2026
7Mink Brook Asset Management LLC0.62%79K$690,472+78,552 (0.0%)June 30, 2026
8Dimensional Fund Advisors, Inc.0.61%78K$682,649+6,175 (+8.6%)June 30, 2026
9Sparta 24 Ltd.0.58%73K$645,564+73,443 (0.0%)June 30, 2026
10Vanguard Fiduciary Trust Co0.48%61K$538,335+4,267 (+7.5%)June 30, 2026
11Susquehanna International Group, LLP0.43%55K$480,206−65,127 (−54.4%)June 30, 2026
12Citadel Advisors Llc0.34%43K$374,568+42,613 (0.0%)June 30, 2026
13BlackRock Inc0.30%37K$329,256+12,731 (+51.5%)June 30, 2026
14Bridgeway Capital Management, LLC0.25%32K$277,764—June 30, 2026
15Northern Trust Corp0.20%25K$219,486−448 (−1.8%)June 30, 2026
16Appleseed Capital0.15%19K$164,812—June 30, 2026
17GlobeFlex Capital, L.P.0.12%15K$134,074+3,089 (+25.4%)June 30, 2026
18State Street Corp0.09%11K$99,415—June 30, 2026
19XTX Topco Ltd0.08%10K$92,251+10,495 (0.0%)June 30, 2026
20Wells Fargo & Co0.02%3,126$27,478—June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 817K shares and 2 cut 66K.

OPHC top mutual fund and ETF holders

20 largest
OptimumBank Holdings, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.24%282K$2.5M—August 31, 2026
2Fidelity Extended Market Index0.42%53K$464,622−284 (−0.5%)August 31, 2026
3DFA US Targeted Value I0.27%35K$304,081+5,622 (+19.4%)August 31, 2026
4iShares Micro-Cap ETF0.25%32K$282,686−222 (−0.7%)September 30, 2026
5Fidelity Total Market Index0.15%19K$165,050—August 31, 2026
6EA Bridgeway Ultra-Small Company Mkt ETF0.13%16K$143,980—September 30, 2026
7Fidelity Series Total Market Index0.12%15K$132,131—August 31, 2026
8Bridgeway Omni Small-Cap Value N0.12%15K$131,850—June 30, 2026
9Dimensional US Targeted Value ETF0.12%15K$128,993+34 (+0.2%)September 30, 2026
10EA Bridgeway Omni Small-Cap Value ETF0.07%9,000$79,110—September 30, 2026
11Dimensional Global Trgtd Value USD Acc0.04%5,174$45,479—August 31, 2026
12Vanguard U.S. Eq Idx £ Acc0.03%3,987$35,046+3,987 (0.0%)August 31, 2026
13DFA US Core Equity 2 I0.03%3,801$33,411—August 31, 2026
14DFA US Micro Cap I0.03%3,264$28,691—August 31, 2026
15Dimensional US Sustainability Core 1 ETF0.02%2,960$26,018—September 30, 2026
16DFA US Social Core Equity 2 Portfolio0.02%2,800$24,612—August 31, 2026
17DFA US Vector Equity Class F0.02%2,743$24,111—July 31, 2026
18Vanguard Balanced Index Inv0.02%2,538$22,309—August 31, 2026
19Dimensional US Core Equity 1 ETF0.02%2,536$22,291—September 24, 2026
20DFA US Core Equity Class F0.02%2,400$21,096—July 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

OPHC insider transactions

latest 5
OptimumBank Holdings, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-02-02Timothy TerrySell$4.7339,304$185,908
2025-12-04Michael BliskoSell$4.097,600$31,084
2025-06-11Moishe GubinBuy$4.53264$1,196
2025-06-10Moishe GubinBuy$4.55300$1,365
2025-06-09Moishe GubinBuy$4.53700$3,171

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

OPHC shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns OPHC

Institutional investors own 18.8% of OptimumBank's shares and insiders 17.98%. The largest holder is AllianceBernstein L.P. with 4.88% of the shares (616K), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 2 reduced their stake in the latest filings. Short interest is 1.00% of the float, or 1.14 days of average trading volume. The share count rose 1,197.3% since 2014.

Related: OPHC analyst forecast, OPHC key metrics. See the OPHC stock overview for the latest quote and news.

OPHC ownership FAQ

Who owns the most OptimumBank stock?

The largest shareholders of OptimumBank are AllianceBernstein L.P. (4.88%), Wellington Management Company LLP (3.42%), Vanguard Capital Management, LLC (3.22%), Renaissance Technologies Corp (1.23%), Geode Capital Management, LLC (0.85%).

What percentage of OptimumBank is owned by institutions?

Institutions hold 18.8% of OptimumBank's shares outstanding; insiders hold 17.98%.

Which funds own OptimumBank?

The largest fund holders of OptimumBank are Vanguard MStar Total Stk Mkt Idx Invest (2.24%), Fidelity Extended Market Index (0.42%), DFA US Targeted Value I (0.27%), iShares Micro-Cap ETF (0.25%), Fidelity Total Market Index (0.15%).

What is OptimumBank's short interest?

30K shares of OptimumBank were sold short, 1.00% of the float; at the average daily volume it would take 1.14 days to cover.

Are insiders buying or selling OptimumBank?

Of the latest 5 reported insider transactions in OptimumBank (since June 9, 2025), 3 were purchases and 2 were sales.

How many shares of OptimumBank are outstanding?

OptimumBank has 12.6M shares outstanding, of which 10.4M are in the public float.

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