FIRST INTERSTATE BANCSYS-A (FIBK) Stock Institutional Trading Activity


FIRST INTERSTATE BANCSYS-A (FIBK) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Tweedy, Browne Co All Funds (US), Renaissance Technologies LLC, and Mairs & Power Growth Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Tweedy, Browne Co All Funds (US)Buy4,53631,775$1,099,415
Q3 2025Tweedy, Browne Co All Funds (US)Buy13,90227,239$868,107
Q2 2025Tweedy, Browne Co All Funds (US)Buy13,33713,337$384,372
Q2 2025Renaissance Technologies LLCBuy90,400218,098$6,285,584
Q1 2025Renaissance Technologies LLCBuy98,000127,698$3,658,548
Q2 2024Renaissance Technologies LLCBuy21,20029,698$824,713
Q3 2023Renaissance Technologies LLCSell-59,3008,498$212
Q2 2023Mairs & Power Growth FundSell-322110,947$2,644,976
Q1 2023Renaissance Technologies LLCSell-71,00067,798$2,024
Q1 2023Mairs & Power Growth FundSell-89,954111,269$3,322,492
Q4 2022Renaissance Technologies LLCBuy130,500138,798$5,365
Q4 2022Mairs & Power Growth FundSell-16,000201,223$7,777,250
Q3 2022Renaissance Technologies LLCSell-7,3008,298$335
Q3 2022Mairs & Power Growth FundSell-239217,223$8,765
Q2 2022Renaissance Technologies LLCSell-150,60015,598$594
Q2 2022Mairs & Power Growth FundSell-2,311217,462$8,287
Q1 2022Renaissance Technologies LLCBuy111,762166,198$6,111
Q1 2022Mairs & Power Growth FundBuy219,773219,773$8,081
Q4 2021Renaissance Technologies LLCBuy23,10054,436$2,214
Q2 2021Renaissance Technologies LLCSell-34,43631,336$1,311
Q2 2020Renaissance Technologies LLCSell-170,40965,772$2,036
Q1 2020Renaissance Technologies LLCSell-77,200236,181$6,811
Q4 2019Renaissance Technologies LLCSell-149,702313,381$13,137
Q3 2019Renaissance Technologies LLCSell-37,700463,083$18,634
Q2 2019Renaissance Technologies LLCSell-104,800500,783$19,836
Q1 2019Renaissance Technologies LLCBuy93,000605,583$24,114
Q4 2018Renaissance Technologies LLCBuy112,064512,583$18,740
Q3 2018Renaissance Technologies LLCSell-23,900400,519$17,943
Q1 2018Renaissance Technologies LLCBuy43,900424,419$16,786
Q4 2017Renaissance Technologies LLCSell-109,000380,519$15,240

Frequently asked questions about FIBK activity

  • Which institutional owners are buying FIBK?

    Institutional owners buying FIBK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in FIBK activity?

    "Buy" means an investor increased their reported position in FIBK compared to the prior reporting period. This reflects growing exposure to FIRST INTERSTATE BANCSYS-A (FIBK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in FIBK increasing?

    Institutional interest in FIBK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.