First Interstate Bancsystem Inc

FIBK

Exchange: Nasdaq
Industry: State Commercial Banks
SEC CIK: 0000860413

SEC filings (opens in a new tab)

In the last 90 days, First Interstate Bancsystem Inc insiders filed 0 open-market purchases and 4 sales; 298 institutions reported holding it in 13F filings for Q2 2026, worth $3.52B in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding First Interstate Bancsystem Inc changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of FIBK: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	234	5	238	+9
Shares	86.1M	1.02M	87.7M	+2.64M (+3.1%)
Value	$2.48B	$29.4M	$2.79B	+$343.4M (+14.0%)

5 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (34)

Institutions that held First Interstate Bancsystem Inc at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to FIBK in Q3 2025
Institution	Shares	Value	% of portfolio
Cramer Rosenthal McGlynn LLC	921,900	$29.4M	1.89%
North Reef Capital Management LP	850,000	$27.1M	1.27%
Cambria Investment Management, L.P.	284,989	$9.08M	0.55%
Allspring Global Investments Holdings, LLC	164,895	$5.24M	0.01%
Interval Partners, LP	121,693	$3.88M	0.08%
Teachers Retirement System of the State of Kentucky	66,359	$2.12M	0.02%
Numerai GP LLC	28,168	$897.7K	0.13%
Vestmark Advisory Solutions, Inc.	28,096	$895.4K	0.02%
SummitTX Capital, L.P.	17,263	$550.2K	0.02%
Fox Run Management, L.L.C.	17,224	$548.9K	0.09%
Oppenheimer Asset Management Inc.	16,285	$519.0K	0.01%
Headlands Technologies LLC	13,023	$415.0K	0.03%
VELA Investment Management, LLC	11,501	$366.5K	0.11%
CIBC Bancorp USA Inc.	9,541	$304.1K	0.00%
Two Sigma Securities, LLC	7,513	$239.4K	0.04%
Xponance, Inc.	7,052	$224.7K	0.00%
Stephens Inc	6,885	$219.4K	0.00%
Telos Capital Management, Inc.	6,563	$209.2K	0.02%
IFG Advisory, LLC	6,536	$208.3K	0.01%
Quadrant Capital Group LLC	5,319	$169.5K	0.01%
Advisory Services Network, LLC	4,675	$149.0K	0.00%
State of Alaska, Department of Revenue	4,138	$131.0K	0.00%
Golden State Wealth Management, LLC	2,365	$75.4K	0.01%
Rockefeller Capital Management L.P.	1,647	$52.5K	0.00%
CIBC Private Wealth Group, LLC	1,617	$51.5K	0.00%
First Horizon Corp	813	$25.9K	0.00%
Caitlin John, LLC	591	$18.8K	0.01%
Root Financial Partners, LLC	284	$9.05K	0.00%
Caitong International Asset Management Co., Ltd	97	$3.09K	0.00%
Wealthspire Advisors, LLC	54	$1.72K	0.00%
JPL Wealth Management, LLC	45	$1.44K	0.00%
Essential Partners LLC	19	$606	0.00%
Financial Consulate, Inc	16	$510	0.00%
Cloud Capital Management, LLC	12	$0	0.00%

Sold out (25)

Institutions that held First Interstate Bancsystem Inc at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of FIBK in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Renaissance Technologies LLC	218,098	$6.29M
Jump Financial, LLC	182,967	$5.27M
Walleye Capital LLC	92,683	$2.67M
Marshall Wace, LLP	82,812	$2.39M
Tudor Investment Corp Et Al	72,848	$2.10M
D. E. Shaw & Co., Inc.	49,320	$1.42M
Quantbot Technologies LP	47,206	$1.36M
Man Group plc	44,241	$1.28M
HSBC Holdings PLC	11,501	$333.2K
Verition Fund Management LLC	8,969	$258.5K
Steel Peak Wealth Management LLC	8,480	$244.4K
DRW Securities, LLC	8,468	$244.0K
Guggenheim Capital LLC	8,186	$235.9K
Erste Asset Management GmbH	4,000	$113.9K
Skopos Labs, Inc.	1,118	$32.2K
JNBA Financial Advisors	1,000	$28.8K
Wood Tarver Financial Group, LLC	816	$23.0K
Geneos Wealth Management Inc.	359	$10.3K
Optiver Holding B.V.	283	$8.16K
City Holding Co	200	$5.76K
Bryn Mawr Trust Co	52	$1.50K
Steward Partners Investment Advisory, LLC	16	$461
South State Corp.	5	$145
Twin Peaks Wealth Advisors, LLC	1	$30
Mount Yale Investment Advisors, LLC	1	$22

Not filed for Q3 2025 yet (5)

Institutions that held First Interstate Bancsystem Inc at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding FIBK in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Norges Bank	1,009,091	$29.1M
CIBC World Markets Corp	10,854	$312.8K
PrairieView Partners, LLC	1,100	$31.0K
Capital A Wealth Management, LLC	94	$2.89K
Parkworth Wealth Management, Inc.	2	$58