NSTS Bancorp, Inc.
NSTS- Exchange
- Nasdaq
- Industry
- Savings Institution, Federally Chartered
- SEC CIK
- 0001881592
No open-market purchases or sales by NSTS Bancorp, Inc. insiders were filed in the last 90 days; 25 institutions reported holding it in 13F filings for Q2 2026, worth $17.3M in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in NSTS Bancorp, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 18
- 0 vs. Q2 2025
- Shares held
- 1.15M
- +3.31K (+0.3%) vs. Q2 2025
- Total value
- $13.3M
- −$815.9K (−5.8%) vs. Q2 2025
- New holders
- 1
- 4 more added
- Sold out
- 1
- 3 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting NSTS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 25 | $17.3M |
| Q1 2026 | 21 | $14.9M |
| Q4 2025 | 20 | $15.2M |
| Q3 2025 | 18 | $13.3M |
| Q2 2025 | 18 | $14.2M |
| Q1 2025 | 16 | $12.8M |
| Q4 2024 | 18 | $13.3M |
| Q3 2024 | 13 | $10.7M |
| Q2 2024 | 16 | $9.07M |
| Q1 2024 | 16 | $8.71M |
| Q4 2023 | 17 | $7.86M |
| Q3 2023 | 15 | $7.34M |
| Q2 2023 | 16 | $5.40M |
| Q1 2023 | 15 | $4.55M |
| Q4 2022 | 19 | $5.04M |
| Q3 2022 | 15 | $4.88M |
| Q2 2022 | 13 | $4.93M |
| Q1 2022 | 14 | $5.43M |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding NSTS Bancorp, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alliancebernstein L.P. | 518,324 | $5.98M | 0.00% | +3,022+0.6% | Added |
| Vanguard Group Inc | 248,312 | $2.90M | 0.00% | 00.0% | Unchanged |
| Raffles Associates LP | 93,774 | $1.08M | 1.01% | 00.0% | Unchanged |
| Kovitz Investment Group Partners, LLC | 53,533 | $617.8K | 0.00% | +6,978+15.0% | Added |
| Geode Capital Management, LLC | 46,610 | $545.0K | 0.00% | +55+0.1% | Added |
| Creative Planning | 45,000 | $519.3K | 0.00% | 00.0% | Unchanged |
| M3F, Inc. | 38,099 | $440.0K | 0.12% | 00.0% | Unchanged |
| Roberts Glore & Co Inc | 36,496 | $421.2K | 0.12% | 00.0% | Unchanged |
| Northern Trust Corp | 22,208 | $256.3K | 0.00% | −2,531−10.2% | Reduced |
| Renaissance Technologies LLC | 14,400 | $166.2K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 11,697 | $135.0K | 0.00% | +125+1.1% | Added |
| State Street Corp | 11,205 | $131.0K | 0.00% | 00.0% | Unchanged |
| Miracle Mile Advisors, LLC | 11,007 | $127.0K | 0.00% | −3,493−24.1% | Reduced |
| American Capital Advisory, LLC | 850 | $9.81K | 0.00% | 00.0% | Unchanged |
| Scarborough Advisors, LLC | 150 | $1.73K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 4 | $46 | 0.00% | −42−91.3% | Reduced |
| Barclays PLC | 1 | $12 | 0.00% | +1 | New |
| Capital Advisors, Ltd. LLC | 30 | $0 | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −800−100.0% | Sold out |