NSTS Bancorp Inc
Ownership
Ownership Structure
Who owns NSTS Bancorp Inc (NSTS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 86.8% of the shares are freely tradable; institutional investors hold 23.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| AllianceBernstein L.P. | 9.82 | 516,461 | +0.6 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.61 | 189,943 | +0.0 | 03/31/2026 |
| GRAHAM CAPITAL WEALTH MANAGEMENT, LLC | 2.08 | 109,466 | +8.6 | 06/30/2026 |
| Raffles Associates LP | 1.78 | 93,774 | +0.0 | 03/31/2026 |
| The Colony Group LLC | 1.15 | 60,733 | +0.0 | 03/31/2026 |
| Creative Planning Inc | 0.86 | 45,000 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 0.85 | 44,876 | -1.1 | 03/31/2026 |
| Roberts Glore & Co Inc | 0.69 | 36,496 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.78 | 146,297 | +0.0 | 07/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.93 | 48,895 | +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 18, 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.