Isabella Bank Corp
ISBA- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- SEC CIK
- 0000842517
In the last 90 days, Isabella Bank Corp insiders filed 3 open-market purchases and 0 sales; 59 institutions reported holding it in 13F filings for Q2 2026, worth $61.3M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Isabella Bank Corp as of Mar 31, 2026. 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
- 43
- +10 vs. Q4 2025
- Shares held
- 1.00M
- +560.6K (+126.4%) vs. Q4 2025
- Total value
- $45.8M
- +$23.7M (+106.8%) vs. Q4 2025
- New holders
- 13
- 12 more added
- Sold out
- 3
- 6 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ISBA 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 | 59 | $61.3M |
| Q1 2026 | 43 | $45.8M |
| Q4 2025 | 34 | $37.5M |
| Q3 2025 | 22 | $18.2M |
| Q2 2025 | 17 | $8.67M |
| Q1 2025 | 1 | $11.8K |
| Q4 2024 | 1 | $13.0K |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Isabella Bank Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 274,048 | $12.5M | 0.00% | +274,048 | New |
| Millennium Management LLC | 107,356 | $4.90M | 0.00% | +94,251+719.2% | Added |
| BlackRock, Inc. | 100,201 | $4.58M | 0.00% | −571−0.6% | Reduced |
| Susquehanna International Group, LLP | 94,742 | $4.33M | 0.01% | +42,296+80.6% | Added |
| Geode Capital Management, LLC | 80,402 | $3.67M | 0.00% | +2,921+3.8% | Added |
| Marshall Wace, LLP | 53,678 | $2.45M | 0.00% | +29,960+126.3% | Added |
| Vanguard Fiduciary Trust Co | 40,754 | $1.86M | 0.00% | +40,754 | New |
| Harbour Investments, Inc. | 27,021 | $1.23M | 0.02% | 00.0% | Unchanged |
| State Street Corp | 22,052 | $1.01M | 0.00% | +13,461+156.7% | Added |
| Qube Research & Technologies Ltd | 21,534 | $983.5K | 0.00% | +2,868+15.4% | Added |
| Goldman Sachs Group Inc | 20,825 | $951.1K | 0.00% | +937+4.7% | Added |
| American Century Companies Inc | 18,043 | $824.0K | 0.00% | +18,043 | New |
| Northern Trust Corp | 14,740 | $673.2K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 14,240 | $650.3K | 0.01% | +14,240 | New |
| UBS Group AG | 13,389 | $611.5K | 0.00% | +9,564+250.0% | Added |
| Bank of America Corp | 9,316 | $425.5K | 0.00% | +4,998+115.7% | Added |
| Morgan Stanley | 9,182 | $419.3K | 0.00% | +783+9.3% | Added |
| Dimensional Fund Advisors LP | 8,840 | $402.9K | 0.00% | +8,840 | New |
| Jane Street Group, LLC | 7,147 | $326.4K | 0.00% | −1,251−14.9% | Reduced |
| Schonfeld Strategic Advisors LLC | 6,505 | $297.1K | 0.00% | +6,505 | New |
| FourThought Financial Partners, LLC | 6,392 | $291.9K | 0.03% | −1,000−13.5% | Reduced |
| HRT Financial LP | 6,343 | $289.0K | 0.00% | +6,343 | New |
| Integrated Wealth Concepts LLC | 6,091 | $278.2K | 0.00% | −20−0.3% | Reduced |
| Point72 Asset Management, L.P. | 5,989 | $273.5K | 0.00% | +22+0.4% | Added |
| Citigroup Inc | 5,290 | $241.6K | 0.00% | +3,037+134.8% | Added |
| Citadel Advisors LLC | 5,289 | $241.5K | 0.00% | −468−8.1% | Reduced |
| Norris Perne & French LLP | 5,151 | $235.2K | 0.01% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 5,074 | $231.7K | 0.04% | +5,074 | New |
| Brevan Howard Capital Management LP | 4,615 | $210.8K | 0.00% | +4,615 | New |
| Vanguard Global Advisers, LLC | 2,677 | $122.3K | 0.00% | +2,677 | New |
| Atlantic Union Bankshares Corp | 2,563 | $117.1K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 1,027 | $46.9K | 0.00% | −2,334−69.4% | Reduced |
| BNP Paribas Arbitrage, SA | 856 | $39.1K | 0.00% | +856 | New |
| CWM, LLC | 756 | $34.5K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 500 | $22.8K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 350 | $16.0K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 281 | $12.8K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 250 | $11.4K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 150 | $6.86K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 89 | $4.00K | 0.00% | +89 | New |
| Advisory Services Network, LLC | 60 | $2.74K | 0.00% | +60 | New |
| Rothschild Investment LLC | 50 | $2.28K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 19 | $868 | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 0 | $0 | 0.00% | −10,551−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −8,765−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,723−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |