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FIBK · First Interstate Bancsystem Inc · Shareholders & Ownership

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$36.78 -0.10 (-0.27%) At close · Oct 23
Market Cap
$3.51B
Shares
95.30M
Volume · Oct 23 1.59M Avg daily vol (3M) 1.14M

Every disclosed holder of FIBK in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns FIBK

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 90,744,036 95.21%
Insiders (Forms 3, 4, 5) 0 0.00%
13D/G-only blocks 4,400,668 4.62%
Remaining 159,903 0.17%
Registered funds (N-PORT, not summed) 47,506,329 49.85%

Shares outstanding: 95,304,607, the issuer's latest cover-page count restated onto today's split basis.

Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of FIBK

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
13,732,702
1.1
iShares Core S&P Small-Cap ETF
Fund S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
5,092,127
1.2
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
2,388,064
1.3
iShares Russell 2000 Value ETF
Fund S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
859,271
1.4
iShares S&P Small-Cap 600 Value ETF
Fund S000004316 · Registered fund · Jun 30, 2026
iShares Trust, not summed
727,597
1.5
Master Small Cap Index Series
Fund S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
168,630
2
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
6,250,817
2.1
STATE STREET CORP
13G CIK 93751 · Bank · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
6,250,817
2.2
State Street(R) SPDR(R) S&P(R) Regional Banking ETF
Fund S000012325 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
1,654,182
2.3
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
777,826
2.4
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
439,469
2.5
State Street(R) SPDR(R) S&P(R) Bank ETF
Fund S000006977 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
381,101
3
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,783,231
3.1
U.S. SMALL CAP VALUE PORTFOLIO
Fund S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
1,332,439
3.2
U.S. Targeted Value Portfolio
Fund S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
715,065
3.3
Dimensional U.S. Targeted Value ETF
Fund S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
611,464
3.4
Dimensional US Small Cap Value ETF
Fund S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
547,764
3.5
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
448,978
4
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,506,456
5
First Interstate Bank
13F CIK 1125727 · Unknown · Sep 30, 2026
4,591,104
6
HoldCo Asset Management, LP
13F CIK 1724246 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,950,107
7
WELLINGTON MANAGEMENT GROUP LLP
13F CIK 902219 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
3,768,343
8
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,738,371
9
Scott Jeremy
Insider CIK 1803925 · Jun 1, 2026
Director, 10% Owner, issuer-wide, not summed
3,518,192
10
SMALLCAP World Fund Inc
Fund S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
3,423,864
11
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,624,577
12
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,463,971
12.1
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
1,012,641
12.2
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
534,280
12.3
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
461,703
12.4
Select Banking Portfolio
Fund S000007475 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
388,234
12.5
Fidelity Series Small Cap Core Fund
Fund S000077859 · Registered fund · Jul 31, 2026
Fidelity Concord Street Trust, not summed
254,707
13
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,387,561
14
Capital International Investors
13F CIK 1562230 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,341,826
15
VICTORY CAPITAL MANAGEMENT INC
13F CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,149,403
15.1
Victory Integrity Small-Cap Value Fund
Fund S000046393 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
313,400
15.2
Victory Market Neutral Income Fund
Fund S000037769 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
257,186
15.3
VictoryShares US Small Mid Cap Value Momentum ETF
Fund S000065161 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
206,726
15.4
Victory Integrity Small/Mid-Cap Value Fund
Fund S000046398 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
82,557
15.5
VictoryShares US Small Cap High Div Volatility Wtd ETF
Fund S000049908 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
68,377
16
SCOTT JAMES R
Insider CIK 1198533 · Oct 5, 2026
10% Owner, issuer-wide, not summed
2,038,296
16.1
Shareholders affiliated with James R. Scott
13D CIK 1198533 · Unknown · May 23, 2024
4,400,668
17
Scott James R. Jr
Insider CIK 1675872 · Jun 1, 2026
Director, 10% Owner, issuer-wide, not summed
2,033,112
18
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F CIK 921739 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,018,138
18.1
Nomura Small Cap Core Fund
Fund S000002400 · Registered fund · May 29, 2026
Delaware Group Equity Funds V, not summed
1,307,888
19
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,893,660
20
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,639,233
20.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
62
21
HEYNEMAN JOHN M JR
Insider CIK 1198518 · Jun 1, 2026
Director, 10% Owner, issuer-wide, not summed
1,499,743
22
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,462,281
23
FRANKLIN RESOURCES INC
13F CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,427,500
23.1
Franklin Small Cap Value Fund
Fund S000007356 · Registered fund · Jul 31, 2026
Franklin Value Investors Trust, not summed
689,070
23.2
Franklin Small Cap Value VIP Fund
Fund S000007315 · Registered fund · Jun 30, 2026
Franklin Templeton Variable Insurance Products Trust, not summed
241,385
23.3
Franklin Mutual Small-Mid Cap Value Fund
Fund S000007354 · Registered fund · Jul 31, 2026
Franklin Value Investors Trust, not summed
49,898
23.4
Franklin U.S. Small Cap Multifactor Index ETF
Fund S000057202 · Registered fund · Jun 30, 2026
Franklin Templeton ETF Trust, not summed
5,355
24
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,405,780
25
FIRST TRUST ADVISORS LP
13F CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,313,141
25.1
First Trust Small Cap Core AlphaDEX Fund
Fund S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
67,868
25.2
FT Vest SMID Rising Dividend Achievers Target Income ETF
Fund S000081275 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded Fund IV, not summed
55,615
25.3
First Trust Nasdaq Bank ETF
Fund S000053942 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
42,219
25.4
First Trust NASDAQ ABA Community Bank Index Fund
Fund S000026211 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund, not summed
34,242
25.5
First Trust Small Cap Value AlphaDEX Fund
Fund S000031807 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
18,244
26
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,209,484
26.1
MFS New Discovery Value Fund
Fund S000032712 · Registered fund · May 31, 2026
MFS SERIES TRUST XIII, not summed
839,341
26.2
MFS New Discovery Value Portfolio
Fund S000023374 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST III, not summed
14,414
26.3
MFS Global Alternative Strategy Fund
Fund S000019515 · Registered fund · Jul 31, 2026
MFS Series Trust XV, not summed
1,870
27
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,199,575
28
Capital World Investors
13F CIK 1422849 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,178,546
29
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,168,761
29.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
423,265
29.2
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
314,869
29.3
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
223,041
29.4
Schwab Fundamental U.S. Small Company Index Fund
Fund S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
86,501
29.5
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
51,968
30
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,057,053
31
CRAMER ROSENTHAL MCGLYNN LLC
13F CIK 820743 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,034,043
32
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,002,675
32.1
BNY Mellon US Small Cap Core Equity ETF
Fund S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
3,378
33
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
978,151
34
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
978,127
34.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
46,639
34.2
Small Cap Value Fund
Fund S000001246 · Registered fund · Jun 30, 2026
Northern Funds, not summed
17,960
34.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
16,553
34.4
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
8,804
35
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
966,779
36
Scott Jonathan R
Insider CIK 1361935 · Sep 14, 2026
10% Owner, issuer-wide, not summed
817,738
37
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.
13F CIK 1238990 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
778,006
38
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
753,537
38.1
Multi-Manager U.S. Small Cap Equity Fund
Fund S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
20,901
38.2
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
18,665
38.3
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Aug 31, 2026
GOLDMAN SACHS TRUST, not summed
4,151
39
First Trust SMID Cap Rising Dividend Achievers ETF
Fund S000059604 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
705,526
40
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
638,735
41
JPMorgan Small Cap Equity Fund
Fund S000002794 · Registered fund · Jun 30, 2026
JPMorgan Trust I, not summed
635,755
42
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
587,612
43
Leeward Investments, LLC - MA
13F CIK 1923173 · Registered investment adviser · Sep 30, 2026
583,577
44
VILLERE ST DENIS J & CO LLC
13F CIK 1113629 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
567,701
44.1
Villere Balanced Fund
Fund S000004946 · Registered fund · May 31, 2026
Professionally Managed Portfolios, not summed
35,380
44.2
Villere Equity Fund
Fund S000040757 · Registered fund · May 31, 2026
Professionally Managed Portfolios, not summed
15,725
45
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
562,670
46
SCOTT JULIE A
Insider CIK 1234619 · Sep 16, 2026
10% Owner, issuer-wide, not summed
484,309
47
Scott Risa Kae
Insider CIK 1798829 · Dec 3, 2025
10% Owner, issuer-wide, not summed
480,382
48
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
474,951
48.1
Invesco KBW High Dividend Yield Financial ETF
Fund S000030361 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
154,954
48.2
Invesco S&P SmallCap Value with Momentum ETF
Fund S000003025 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
140,179
48.3
Invesco S&P SmallCap 600 Revenue ETF
Fund S000064596 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
46,507
48.4
Invesco RAFI US 1000 ETF
Fund S000011995 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
32,914
48.5
Invesco S&P SmallCap 600 QVM Multi-Factor ETF
Fund S000072320 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
14,181
49
D. E. Shaw & Co., Inc.
13F CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
463,086
50
VANGUARD RUSSELL 2000 INDEX FUND
Fund S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
443,130

59 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 476 holders

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Key facts CIK 860413 CUSIP 32055Y201 13F (30d) 50 filings 50 filers Visit website Investor relations