Mariner
FIBK icon

Mariner’s First Interstate BancSystem FIBK Stock Holding History

Mariner’s Portfolio FIBK Stock Details FIBK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-6,737
Closed -$233K – 3651
2025
Q4 		$233K Buy
+6,737
New +$220K ﹤0.01% 3052
2025
Q2 		– Sell
-8,249
Closed -$236K – 3542
2025
Q1 		$236K Buy
8,249
+484
+6% +$15K ﹤0.01% 2853
2024
Q4 		$252K Sell
7,765
-61
-0.8% -$1.98K ﹤0.01% 2789
2024
Q3 		$240K Sell
7,826
-557
-7% -$16.6K ﹤0.01% 2770
2024
Q2 		$233K Sell
8,383
-4,680
-36% -$124K ﹤0.01% 2657
2024
Q1 		$355K Sell
13,063
-911
-7% -$24.9K ﹤0.01% 2302
2023
Q4 		$430K Buy
13,974
+1,077
+8% +$28K ﹤0.01% 2048
2023
Q3 		$322K Buy
12,897
+432
+3% +$11.3K ﹤0.01% 2092
2023
Q2 		$297K Buy
12,465
+1,189
+11% +$30K ﹤0.01% 2130
2023
Q1 		$337K Buy
11,276
+924
+9% +$32.5K ﹤0.01% 1976
2022
Q4 		$400K Buy
10,352
+1,440
+16% +$60.9K ﹤0.01% 1806
2022
Q3 		$360K Buy
+8,912
New +$359K ﹤0.01% 1647

Other funds holding FIBK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
FIB
First Interstate Bank Billings, Montana $1.92B AUM 19.65% 1-Year Est. Return
HAM
HoldCo Asset Management Fort Lauderdale, Florida $1.56B AUM 45.42% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Mariner's FIBK Position: Q1 2026 in Review

Mariner sold out of First Interstate BancSystem (FIBK) in Q1 2026, closing a stake of 6,737 shares — an estimated $233K sold.

Mariner first reported a position in FIBK in Q3 2022 and held it in 12 quarters. The position peaked at $430K in Q4 2023. 288 funds tracked by Wall St. Rank hold FIBK as of Q1 2026.

  • Mariner reported no remaining First Interstate BancSystem position as of Q1 2026 after selling out during the quarter.
  • Mariner sold 6,737 First Interstate BancSystem shares in Q1 2026, an estimated $233K.
  • Mariner first reported a position in First Interstate BancSystem in Q3 2022 and held it in 12 quarters.
  • Mariner's First Interstate BancSystem position peaked at $430K in Q4 2023.
  • 288 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.