FIBK · First Interstate Bancsystem Inc · Shareholders & Ownership
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 | As of | Notes |
|---|---|---|---|---|
| 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 |
|
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 |
|
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 |
|
2,038,296 | ||
| 16.1 |
Shareholders affiliated with James R. Scott
13D
CIK 1198533 · Unknown · May 23, 2024
|
4,400,668 | ||
| 17 |
|
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 |
|
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 |
|
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 |
|
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 |
|
484,309 | ||
| 47 |
|
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.
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