Ken Griffin
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Ken Griffin’s Investar Holding Corp ISTR Stock Holding History

Ken Griffin’s Portfolio ISTR Stock Details ISTR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.36M Buy
+49,742
New +$1.39M ﹤0.01% 6953
2025
Q4 		– Sell
-13,640
Closed -$317K – 13359
2025
Q3 		$317K Sell
13,640
-3,582
-21% -$80.4K ﹤0.01% 10234
2025
Q2 		$333K Sell
17,222
-12,206
-41% -$225K ﹤0.01% 9559
2025
Q1 		$518K Buy
+29,428
New +$552K ﹤0.01% 8392
2024
Q3 		– Sell
-11,252
Closed -$173K – 14726
2024
Q2 		$173K Buy
+11,252
New +$178K ﹤0.01% 10137
2024
Q1 		– Sell
-11,964
Closed -$178K – 15014
2023
Q4 		$178K Sell
11,964
-6,303
-35% -$71.7K ﹤0.01% 10113
2023
Q3 		$193K Sell
18,267
-4,111
-18% -$52.8K ﹤0.01% 9975
2023
Q2 		$271K Buy
22,378
+9,333
+72% +$114K ﹤0.01% 9259
2023
Q1 		$182K Buy
+13,045
New +$251K ﹤0.01% 10334
2021
Q4 		– Sell
-13,718
Closed -$302K – 14280
2021
Q3 		$302K Sell
13,718
-2,033
-13% -$45.2K ﹤0.01% 11053
2021
Q2 		$361K Buy
+15,751
New +$348K ﹤0.01% 10818

Other funds holding ISTR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
FL
Fourthstone LLC St Louis, Missouri $590M AUM 29.58% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
BFC
Banc Funds Company Chicago, Illinois $537M AUM 17.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $103B AUM 28.65% 1-Year Est. Return

Ken Griffin's ISTR Position: Q1 2026 in Review

Ken Griffin opened a new position in Investar Holding Corp (ISTR) in Q1 2026: 49,742 shares worth $1.36M. The stake represents ﹤0.01% of the portfolio and ranks #6953 among its holdings. This is a return to the name: Ken Griffin previously reported a position in ISTR as recently as Q3 2025.

Ken Griffin first reported a position in ISTR in Q2 2021 and has held it in 11 quarters since. 111 funds tracked by Wall St. Rank hold ISTR as of Q1 2026.

  • Ken Griffin held 49,742 shares of Investar Holding Corp worth $1.36M as of Q1 2026.
  • Investar Holding Corp was a new Ken Griffin position in Q1 2026.
  • Investar Holding Corp made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #6953 holding.
  • Ken Griffin first reported a position in Investar Holding Corp in Q2 2021 and has held it in 11 quarters since.
  • 111 funds tracked by Wall St. Rank held Investar Holding Corp as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.