Latest Period
Q1 2026
Security Snapshot
Investar Holding Corp - Common Stock, $1.00 par value per share (ISTR) Institutional Ownership
CUSIP: 46134L105
13F Institutional Holders and Ownership History from Q2 2014 to Q1 2026
Institutions Reporting
111
Shares (Excl. Options)
7,664,913
Price
$27.27
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- Security type / class
- Equity / Common Stock, $1.00 par value per share
- Symbol
- ISTR on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 7,664,913
- Total 13F value
- $208,666,985
- Portfolio coverage rank
- 0%
- Share change
- +890,341
- Value change
- +$24,549,962
- Number of holders
- 111
- Shares outstanding
- 13,744,003
- SEC-reported price per share
- $27.88
- Insider filing price
- $27.88
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ISTR - Investar Holding Corp - Common Stock, $1.00 par value per share is tracked under CUSIP 46134L105.
- 111 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 100 to 111 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $173,554,661 to $208,666,985.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 111 institutions filings for Q1 2026.
Security key
46134L105
Latest holder period
Q1 2026
13F holders
111
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
ISTR full holder history
Investar Holding Corp SEC filings
Investar Holding Corp company facts
Investar Holding Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 46134L105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
ISTR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 7% | -32% | $26,317,732 | -$1,126,306 | 965,080 | -4.1% | Wellington Management Group LLP | 31 Mar 2026 |
| Fourthstone LLC | 6% | -15% | $22,562,898 | +$3,583,196 | 827,389 | +19% | Fourthstone LLC | 31 Mar 2026 |
| BlackRock, Inc. | 5.1% | -18% | $19,111,007 | +$2,524,684 | 700,807 | +15% | BlackRock, Inc. | 31 Mar 2026 |
| Bay Pond Partners, L.P. | 3.8% | -30% | $14,113,152 | -$1,476,507 | 517,534 | -9.5% | Bay Pond Partners, L.P. | 31 Mar 2026 |
As of 31 Mar 2026, 111 institutional investors reported holding 7,664,913 shares of Investar Holding Corp - Common Stock, $1.00 par value per share (ISTR). This represents 56% of the company’s total 13,744,003 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
47%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8% | 1,102,825 | +10% | 0% | $30,074,049 |
| Fourthstone LLC | 6% | 827,389 | +19% | 3.8% | $22,562,898 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.3% | 588,427 | 0% | 0% | $16,046,404 |
| DIMENSIONAL FUND ADVISORS LP | 3.2% | 437,405 | +6.5% | 0% | $11,927,814 |
| ALLIANCEBERNSTEIN L.P. | 2.9% | 401,085 | -12% | 0% | $10,716,991 |
| BANC FUNDS CO LLC | 2.2% | 306,896 | 0% | 1.5% | $8,200,261 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 300,099 | +34% | 0% | $8,185,821 |
| ROYCE & ASSOCIATES LP | 2.1% | 292,086 | -1.3% | 0.08% | $7,965,185 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.8% | 250,797 | -11% | 0% | $6,839,234 |
| HighTower Advisors, LLC | 1.5% | 211,918 | +2019% | 0.01% | $5,779,004 |
| STATE STREET CORP | 1.3% | 177,013 | +31% | 0% | $4,846,315 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.2% | 163,271 | +50% | 0% | $4,452,400 |
| MALTESE CAPITAL MANAGEMENT LLC | 1.1% | 157,000 | -8.8% | 0.84% | $4,281,390 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1% | 141,922 | 0% | 0% | $3,870,213 |
| KENNEDY CAPITAL MANAGEMENT LLC | 1% | 141,775 | +3.3% | 0.08% | $3,866,204 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.99% | 136,366 | +4.4% | 0.07% | $3,718,701 |
| Bank of New York Mellon Corp | 0.9% | 123,244 | +241% | 0% | $3,360,858 |
| NORTHERN TRUST CORP | 0.84% | 114,933 | +31% | 0% | $3,134,222 |
| RENAISSANCE TECHNOLOGIES LLC | 0.77% | 105,250 | +114% | 0% | $2,870,168 |
| AMERICAN CENTURY COMPANIES INC | 0.71% | 97,273 | -20% | 0% | $2,652,635 |
| MORGAN STANLEY | 0.67% | 91,643 | +53% | 0% | $2,499,111 |
| AlTi Global, Inc. | 0.63% | 86,568 | 0.05% | $2,370,232 | |
| VANGUARD FIDUCIARY TRUST CO | 0.57% | 77,704 | 0% | 0% | $2,118,988 |
| Kestra Advisory Services, LLC | 0.54% | 73,956 | 0.01% | $2,016,788 | |
| Glass Wealth Management Co LLC | 0.48% | 66,586 | 0.7% | $1,815,800 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
48
Latest
Q1 2026
Rows shown
1-25 of 48
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 7,664,913 | $208,666,985 | +$24,549,962 | $27.27 | 111 |
| 2025 Q4 | 6,496,846 | $173,554,661 | +$5,541,365 | $26.72 | 100 |
| 2025 Q3 | 6,312,100 | $146,324,316 | +$7,919,660 | $23.21 | 93 |
| 2025 Q2 | 6,023,529 | $116,460,572 | +$1,035,726 | $19.32 | 89 |
| 2025 Q1 | 5,989,216 | $105,488,150 | -$6,698,984 | $17.61 | 85 |
| 2024 Q4 | 6,273,150 | $137,782,559 | +$3,792,597 | $21.96 | 86 |
| 2024 Q3 | 6,100,106 | $118,424,529 | +$1,143,219 | $19.40 | 82 |
| 2024 Q2 | 5,909,891 | $91,011,096 | +$5,627,146 | $15.40 | 74 |
| 2024 Q1 | 5,528,145 | $90,453,627 | +$5,804,517 | $16.36 | 62 |
| 2023 Q4 | 5,179,905 | $77,240,294 | -$575,392 | $14.91 | 58 |
| 2023 Q3 | 5,252,612 | $55,630,949 | -$1,606,709 | $10.59 | 56 |
| 2023 Q2 | 5,416,229 | $65,583,340 | -$3,810,208 | $12.11 | 57 |
| 2023 Q1 | 5,628,894 | $78,573,668 | -$1,575,393 | $13.96 | 60 |
| 2022 Q4 | 5,737,965 | $123,557,318 | -$1,227,943 | $21.53 | 58 |
| 2022 Q3 | 5,801,718 | $115,460,562 | -$1,789,794 | $19.90 | 53 |
| 2022 Q2 | 5,871,013 | $128,568,131 | -$6,066,683 | $21.90 | 54 |
| 2022 Q1 | 6,175,121 | $117,878,115 | +$1,893,591 | $19.09 | 55 |
| 2021 Q4 | 6,077,218 | $111,879,110 | +$608,226 | $18.41 | 56 |
| 2021 Q3 | 5,720,863 | $125,952,132 | -$445,063 | $22.02 | 56 |
| 2021 Q2 | 5,730,933 | $131,262,137 | -$2,800,120 | $22.89 | 60 |
| 2021 Q1 | 5,877,488 | $120,996,941 | -$3,017,344 | $20.55 | 56 |
| 2020 Q4 | 5,950,931 | $98,488,752 | +$1,767,529 | $16.54 | 56 |
| 2020 Q3 | 5,945,337 | $76,219,730 | -$2,408,530 | $12.82 | 54 |
| 2020 Q2 | 6,103,722 | $88,256,612 | -$273,370 | $14.50 | 55 |
| 2020 Q1 | 6,183,917 | $78,781,656 | -$9,379,007 | $12.77 | 59 |