Investar Holding Corporation (ISTR) Ownership
ISTR ownership summary
as of October 18, 2026- Institutions
- 65.3% of shares outstanding
- Insiders
- 9.20% of shares outstanding
- Shares outstanding
- 13.8M
- Float
- 12.5M shares available to trade
- Short interest
- 1.99% 249K shares short
- Days to cover
- 2.57 short interest down 10.4% vs prior month
- Institutions 65.31%
- Insiders 9.20%
- Other investors 25.49%
ISTR top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 9.12% | 1.3M | $36.2M | +153,824 (+13.9%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 3.96% | 546K | $15.7M | −42,872 (−7.3%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 3.75% | 517K | $14.9M | +79,101 (+18.1%) | June 30, 2026 |
| 4 | Geode Capital Management, LLC | 2.41% | 332K | $9.6M | +31,585 (+10.5%) | June 30, 2026 |
| 5 | Fourthstone LLC | 2.34% | 322K | $9.3M | −504,961 (−61.0%) | June 30, 2026 |
| 6 | Banc Funds Co LLC | 2.23% | 307K | $8.8M | — | June 30, 2026 |
| 7 | Royce & Associates, LP | 2.12% | 292K | $8.4M | — | June 30, 2026 |
| 8 | AllianceBernstein L.P. | 2.07% | 285K | $8.2M | −115,860 (−28.9%) | June 30, 2026 |
| 9 | Citadel Advisors Llc | 1.94% | 267K | $7.7M | +217,656 (+437.6%) | June 30, 2026 |
| 10 | State Street Corp | 1.91% | 263K | $7.6M | +85,926 (+48.5%) | June 30, 2026 |
| 11 | Two Sigma Investments LLC | 1.78% | 245K | $7.1M | +219,890 (+888.9%) | June 30, 2026 |
| 12 | Texas Capital Bank Wealth Management Services Inc | 1.23% | 169K | $4.9M | +168,779 (0.0%) | June 30, 2026 |
| 13 | Arrowstreet Capital Limited Partnership | 1.17% | 162K | $4.7M | −1,484 (−0.9%) | June 30, 2026 |
| 14 | Maltese Capital Management LLC | 1.17% | 161K | $4.6M | +3,900 (+2.5%) | June 30, 2026 |
| 15 | Vanguard Portfolio Management, LLC | 1.12% | 155K | $4.5M | +12,659 (+8.9%) | June 30, 2026 |
| 16 | Morgan Stanley - Brokerage Accounts | 1.11% | 153K | $4.4M | +61,252 (+66.8%) | June 30, 2026 |
| 17 | Kennedy Capital Management Inc | 1.01% | 139K | $4.0M | −2,389 (−1.7%) | June 30, 2026 |
| 18 | Renaissance Technologies Corp | 0.96% | 132K | $3.8M | +26,425 (+25.1%) | June 30, 2026 |
| 19 | Bridgeway Capital Management, LLC | 0.95% | 131K | $3.8M | −5,689 (−4.2%) | June 30, 2026 |
| 20 | Qube Research & Technologies | 0.94% | 130K | $3.8M | +66,051 (+103.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 1.1M shares and 6 cut 673K.
ISTR top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.87% | 396K | $11.4M | — | August 31, 2026 |
| 2 | iShares Russell 2000 ETF | 2.42% | 334K | $9.6M | −3,840 (−1.1%) | September 30, 2026 |
| 3 | Royce Micro-Cap Invmt | 1.00% | 138K | $4.0M | — | September 30, 2026 |
| 4 | Fidelity Small Cap Index | 0.99% | 136K | $3.9M | +1,907 (+1.4%) | July 31, 2026 |
| 5 | DFA US Small Cap Value I | 0.93% | 128K | $3.7M | +20,051 (+18.6%) | August 31, 2026 |
| 6 | iShares Russell 2000 Value ETF | 0.89% | 123K | $3.5M | +186 (+0.2%) | September 30, 2026 |
| 7 | BSF Systematic US Eq Abs Ret A2 USD | 0.88% | 121K | $3.5M | −654 (−0.5%) | December 31, 2025 |
| 8 | Royce Micro-Cap Trust | 0.80% | 111K | $3.2M | — | September 30, 2026 |
| 9 | BlackRock Advantage Small Cap Core Instl | 0.72% | 99K | $2.9M | — | August 31, 2026 |
| 10 | Avantis US Small Cap Value ETF | 0.71% | 97K | $2.8M | — | September 30, 2026 |
| 11 | Fidelity Small-Mid Multifactor ETF | 0.63% | 86K | $2.5M | — | September 30, 2026 |
| 12 | Dimensional US Small Cap Value ETF | 0.56% | 78K | $2.2M | — | September 24, 2026 |
| 13 | EA Bridgeway Omni Small-Cap Value ETF | 0.56% | 77K | $2.2M | — | September 30, 2026 |
| 14 | Vanguard Russell 2000 ETF | 0.54% | 74K | $2.1M | +895 (+1.2%) | September 30, 2026 |
| 15 | Vanguard Dividend Appreciation ETF | 0.52% | 71K | $2.0M | +2,308 (+3.4%) | September 30, 2026 |
| 16 | DFA US Targeted Value I | 0.46% | 63K | $1.8M | +1,383 (+2.3%) | August 31, 2026 |
| 17 | Fidelity Extended Market Index | 0.44% | 61K | $1.7M | −326 (−0.5%) | August 31, 2026 |
| 18 | Dimensional US Targeted Value ETF | 0.42% | 58K | $1.7M | +31 (+0.1%) | September 30, 2026 |
| 19 | Invesco Dorsey Wright SmallCap Momt ETF | 0.41% | 57K | $1.6M | −152 (−0.3%) | September 30, 2026 |
| 20 | First Trust Dow Jones Sel MicroCap ETF | 0.39% | 54K | $1.6M | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
ISTR insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-27 | John J D'angelo | Sell | $28.01 | 26,163 | $732,826 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
ISTR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns ISTR
Institutional investors own 65.3% of Investar's shares and insiders 9.20%. The largest holder is BlackRock Inc with 9.12% of the shares (1.3M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 6 reduced their stake in the latest filings. Short interest is 1.99% of the float, or 2.57 days of average trading volume. The share count rose 43.1% since 2014.
Related: ISTR analyst forecast, ISTR key metrics, ISTR dividend history. See the ISTR stock overview for the latest quote and news.
ISTR ownership FAQ
Who owns the most Investar stock?
The largest shareholders of Investar are BlackRock Inc (9.12%), Vanguard Capital Management, LLC (3.96%), Dimensional Fund Advisors, Inc. (3.75%), Geode Capital Management, LLC (2.41%), Fourthstone LLC (2.34%).
What percentage of Investar is owned by institutions?
Institutions hold 65.3% of Investar's shares outstanding; insiders hold 9.20%.
Which funds own Investar?
The largest fund holders of Investar are Vanguard MStar Total Stk Mkt Idx Invest (2.87%), iShares Russell 2000 ETF (2.42%), Royce Micro-Cap Invmt (1.00%), Fidelity Small Cap Index (0.99%), DFA US Small Cap Value I (0.93%).
What is Investar's short interest?
249K shares of Investar were sold short, 1.99% of the float; at the average daily volume it would take 2.57 days to cover.
Are insiders buying or selling Investar?
Of the latest 1 reported insider transactions in Investar (since January 27, 2026), 0 were purchases and 1 were sales.
How many shares of Investar are outstanding?
Investar has 13.8M shares outstanding, of which 12.5M are in the public float.