121 institutions reported holding $215.1M of INVESTAR HOLDING CORP (ISTR) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($30.1M), Fourthstone LLC ($22.6M), VANGUARD CAPITAL MANAGEMENT LLC ($16.0M), DIMENSIONAL FUND ADVISORS LP ($11.9M), MALTESE CAPITAL MANAGEMENT LLC ($10.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $30.1M | 1.1M | Added |
| 2 | Fourthstone LLC | $22.6M | 827,389 | Added |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $16.0M | 588,427 | New |
| 4 | DIMENSIONAL FUND ADVISORS LP | $11.9M | 437,405 | Added |
| 5 | MALTESE CAPITAL MANAGEMENT LLC | $10.8M | 395,093 | Trimmed |
| 6 | ALLIANCEBERNSTEIN L.P. | $10.7M | 401,085 | Trimmed |
| 7 | BANC FUNDS CO LLC | $8.2M | 306,896 | Hold |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $8.2M | 300,099 | Added |
| 9 | ROYCE & ASSOCIATES LP | $8.0M | 292,086 | Trimmed |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | $6.8M | 250,797 | Trimmed |
| 11 | HighTower Advisors, LLC | $5.8M | 211,918 | Added |
| 12 | STATE STREET CORP | $4.8M | 177,013 | Added |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $4.5M | 163,271 | Added |
| 14 | VANGUARD PORTFOLIO MANAGEMENT LLC | $3.9M | 141,922 | New |
| 15 | KENNEDY CAPITAL MANAGEMENT LLC | $3.9M | 141,775 | Added |
| 16 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $3.7M | 136,366 | Added |
| 17 | Bank of New York Mellon Corp | $3.4M | 123,244 | Added |
| 18 | NORTHERN TRUST CORP | $3.1M | 114,933 | Added |
| 19 | RENAISSANCE TECHNOLOGIES LLC | $2.9M | 105,250 | Added |
| 20 | AMERICAN CENTURY COMPANIES INC | $2.7M | 97,273 | Trimmed |
| 21 | MORGAN STANLEY | $2.5M | 91,643 | Added |
| 22 | AlTi Global, Inc. | $2.4M | 86,568 | New |
| 23 | VANGUARD FIDUCIARY TRUST CO | $2.1M | 77,704 | New |
| 24 | Kestra Advisory Services, LLC | $2.0M | 73,956 | New |
| 25 | Glass Wealth Management Co LLC | $1.8M | 66,586 | New |
Source: SEC Form 13F filings · as of 2026-03-31