Isabella Bank Corporation (ISBA) ownership: Top institutional holder: VANGUARD GROUP INC ($15.33M). Insider activity: Net Seller (2 buys, 18 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 306685.00 | $15.33M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 274048.00 | $12.52M | 2026-03-31 |
| MILLENNIUM MANAGEMENT LLC | 107356.00 | $4.90M | 2026-03-31 |
| BlackRock, Inc. | 100201.00 | $4.58M | 2026-03-31 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 94742.00 | $4.33M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 80402.00 | $3.67M | 2026-03-31 |
| MARSHALL WACE, LLP | 53678.00 | $2.45M | 2026-03-31 |
| VANGUARD FIDUCIARY TRUST CO | 40754.00 | $1.86M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-06-16 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 | |
| Sell | null | 2026-06-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.