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Investar Holding Corp
ISTR

111 hedge funds and large institutions have $209M invested in Investar Holding Corp in 2026 Q1 according to their latest regulatory filings, with 23 funds opening new positions, 42 increasing their positions, 25 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed

109% more first-time investments, than exits

New positions opened: 23 | Existing positions closed: 11

68% more repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 25

20% more capital invested

Capital invested by funds: $174M → $209M (+$35.1M)

11% more funds holding

Funds holding: 100 → 111 (+11)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

10.48% less ownership

Funds ownership: 66.22% → 55.74% (-10%)

Holders
111
Holders Change
+11
Holders Change %
+11%
% of All Funds
1.37%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
23
Increased
42
Reduced
25
Closed
11
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
HighTower Advisors
HighTower Advisors
Illinois
+$5.65M
2
FL
Fourthstone LLC
Missouri
+$3.67M
3
BlackRock
BlackRock
New York
+$2.93M
4
Bank of New York Mellon
Bank of New York Mellon
New York
+$2.44M
5
AG
AlTi Global
New York
+$2.42M

Top Sellers

Rank Fund Capital Flow
1
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$4.48M
2
HIM
Hillsdale Investment Management
Ontario, Canada
-$2.59M
3
AllianceBernstein
AllianceBernstein
Tennessee
-$1.5M
4
Marshall Wace
Marshall Wace
United Kingdom
-$1.4M
5
Wellington Management Group
Wellington Management Group
Massachusetts
-$884K
Name Holding Trade Value Shares
Change 		Change in
Stake
SS
101
SBI Securities
Japan
$2.21K +$2.24K +80 +8,000%
PA
102
Parallel Advisors
California
$2.14K +$2.01K +72 +1,200%
IA
103
IFP Advisors
Florida
$1.42K – – –
MCM
104
MAI Capital Management
Ohio
$791 +$671 +24 +480%
FFA
105
Farther Finance Advisors
California
$688 – – –
RFP
106
Root Financial Partners
California
$654 +$671 +24 New
EWA
107
EverSource Wealth Advisors
Alabama
$518 +$252 +9 +90%
US Bancorp
108
US Bancorp
Minnesota
$327 +$336 +12 New
RIL
109
Rothschild Investment LLC
Illinois
$300 – – –
TWD
110
True Wealth Design
Ohio
$110 – – –
SS
111
Sunbelt Securities
Texas
$27 – – –
Acadian Asset Management
112
Acadian Asset Management
Massachusetts
– -$4.48M -167,925 Closed
HIM
113
Hillsdale Investment Management
Ontario, Canada
– -$2.59M -96,937 Closed
Marshall Wace
114
Marshall Wace
United Kingdom
– -$1.4M -52,504 Closed
Prudential Financial
115
Prudential Financial
New Jersey
– -$481K -18,010 Closed
Two Sigma Advisers
116
Two Sigma Advisers
New York
– -$436K -16,300 Closed
Squarepoint
117
Squarepoint
New York
– -$346K -12,954 Closed
LSV Asset Management
118
LSV Asset Management
Illinois
– -$326K -12,200 Closed
Jane Street
119
Jane Street
New York
– -$222K -8,317 Closed
Ohio Public Employees Retirement System (OPERS)
120
Ohio Public Employees Retirement System (OPERS)
Ohio
– -$71.9K -2,691 Closed
AB
121
Amalgamated Bank
New York
– -$8K -288 Closed
C
122
Covestor
United Kingdom
– -$1K -21 Closed
1 2 3 4
5

ISTR Hedge Fund Activity: Q1 2026 in Review

111 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Investar Holding Corp (ISTR) for Q1 2026, worth a combined $209M — up 20% from $174M a quarter earlier.

Buyers outnumbered sellers: 23 funds opened new ISTR positions and 11 closed out — a net gain of 12 holders — while 42 added to existing stakes and 25 trimmed.

The largest buyer was HighTower Advisors, adding an estimated $5.65M. The largest seller was Acadian Asset Management, exiting entirely with an estimated $4.48M sold.

  • 111 institutional investors held Investar Holding Corp (ISTR) as of Q1 2026, up from 100 in Q4 2025.
  • Funds reported $209M of Investar Holding Corp stock for Q1 2026, up 20% quarter-over-quarter.
  • 23 funds opened new Investar Holding Corp positions in Q1 2026 and 11 closed out, a net change of +12 holders.
  • The largest Investar Holding Corp buyer in Q1 2026 was HighTower Advisors, an estimated $5.65M added.
  • The largest Investar Holding Corp seller in Q1 2026 was Acadian Asset Management, an estimated $4.48M sold.

Based on aggregated 13F filings for Q1 2026.