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Equibles

FIBK

First Interstate Bancsystem Inc

Company with tickers: FIBK

CIK
860413
CUSIP
32055Y201
Shares Outstanding
97,142,879
13F Activity (30d)
201 filings 178 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 288
Total Value: $3,078,565,603
Total Shares: 92,172,628
Showing 1–100 of 289 holdings by value · page 1 of 3

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 288 13F filers · Δ vs Dec 31, 2025
Top Holder
14.6%
Jun 2023 → Mar 2026 · range 10.1% – 14.6%
+0.7 pts
Top 5
38.1%
Jun 2023 → Mar 2026 · range 37.0% – 41.9%
−3.3 pts
Top 10
57.5%
Jun 2023 → Mar 2026 · range 57.5% – 62.6%
−3.0 pts
HHI
479
Jun 2023 → Mar 2026 · range 438 – 522
Broadly held −43

Quarterly Activity

vs Dec 31, 2025
New
47
Increased
98
Decreased
105
Sold Out
37
Unchanged
38
Holder count: +10
Institutional value: -8.7%
Shares held: -5.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega FIRST TRUST ADVISORS LP +817,235 1,197,557
Mega STATE STREET CORP +409,026 5,891,271
Mega DIMENSIONAL FUND ADVISORS LP +231,405 5,630,789
Mega JPMORGAN CHASE & CO +131,333 1,706,451
Small Numerai GP LLC +97,813 115,234

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega WELLINGTON MANAGEMENT GROUP LLP −1,911,789 3,882,437
Mid North Reef Capital Management LP −1,649,842 325,157
Mega FMR LLC −859,495 3,877,196
Mega JENNISON ASSOCIATES LLC −769,679 586,654
Mega FRANKLIN RESOURCES INC −718,397 1,881,246

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 5,490,538 $183,383,969
Mega VANGUARD CAPITAL MANAGEMENT LLC 3,855,814 $128,784,187
Mega Capital World Investors 1,146,394 $38,289,559
Mega MILLENNIUM MANAGEMENT LLC 781,127 $26,089,641
Mega VANGUARD FIDUCIARY TRUST CO 567,806 $18,964,720

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 10,048,419 $347,675,295
Mega NORGES BANK 1,099,110 $38,029,206
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 318,450 $11,018,370
Large Bridgewater Associates, LP 199,396 $6,899,101
Mid PEREGRINE CAPITAL MANAGEMENT LLC 184,666 $6,389,443
Filter: New 47 Increased 98 Reduced 105 Sold out 37 Unchanged 38
Showing 100 of 289
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $450,214,858 14.62% 13,479,487
Mega STATE STREET CORP $196,768,451 6.39% 5,891,271
Mega DIMENSIONAL FUND ADVISORS LP $188,068,351 6.11% 5,630,789
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $183,383,969 5.96% 5,490,538
Small First Interstate Bank Bank $155,414,174 5.05% 4,653,119
Mid HoldCo Asset Management, LP $131,933,573 4.29% 3,950,107
Mega WELLINGTON MANAGEMENT GROUP LLP $129,673,394 4.21% 3,882,437
Mega FMR LLC $129,498,345 4.21% 3,877,196
Mega VANGUARD CAPITAL MANAGEMENT LLC $128,784,187 4.18% 3,855,814
Mega Capital International Investors $76,505,104 2.49% 2,290,572
Mega GEODE CAPITAL MANAGEMENT, LLC $74,091,853 2.41% 2,218,319
Mega VICTORY CAPITAL MANAGEMENT INC $69,703,228 2.26% 2,086,923
Mega FRANKLIN RESOURCES INC $62,833,615 2.04% 1,881,246
Mega BANK OF AMERICA CORP /DE/ Bank $59,388,338 1.93% 1,778,094
Mega UBS Group AG $58,660,152 1.91% 1,756,292
Mega JPMORGAN CHASE & CO $56,995,460 1.85% 1,706,451
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $56,882,805 1.85% 1,703,078
Mega MORGAN STANLEY $50,572,604 1.64% 1,514,150
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $42,515,695 1.38% 1,272,925
Mega FIRST TRUST ADVISORS LP $39,998,403 1.30% 1,197,557
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $39,525,025 1.28% 1,183,384
Mega Capital World Investors $38,289,559 1.24% 1,146,394
Mega Bank of New York Mellon Corp Bank $32,603,941 1.06% 976,166
Mid CRAMER ROSENTHAL MCGLYNN LLC $30,534,747 0.99% 914,214
Mega NORTHERN TRUST CORP Bank $29,436,887 0.96% 881,344
Mega MILLENNIUM MANAGEMENT LLC $26,089,641 0.85% 781,127
Mid PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. $24,562,994 0.80% 735,419
Mega GOLDMAN SACHS GROUP INC $23,573,920 0.77% 705,806
Mid Leeward Investments, LLC - MA $21,108,065 0.69% 631,978
Small VILLERE ST DENIS J & CO LLC $20,942,835 0.68% 627,031
Mega JENNISON ASSOCIATES LLC $19,594,242 0.64% 586,654
Mega VANGUARD FIDUCIARY TRUST CO Bank $18,964,720 0.62% 567,806
Large SEI INVESTMENTS CO $15,547,532 0.51% 465,495
Mega PRINCIPAL FINANCIAL GROUP INC $14,276,128 0.46% 427,429
Mid Aristotle Capital Boston, LLC $13,969,750 0.45% 418,256
Mid DAVIDSON INVESTMENT ADVISORS $13,439,625 0.44% 402,384
Mega RAYMOND JAMES FINANCIAL INC $11,073,234 0.36% 331,534
Mega Invesco Ltd. $11,015,485 0.36% 329,805
Mid North Reef Capital Management LP $10,860,243 0.35% 325,157
Large Public Sector Pension Investment Board Pension $10,511,714 0.34% 314,722
Mega Nuveen, LLC $10,009,411 0.33% 299,683
Mid Cambria Investment Management, L.P. $9,246,522 0.30% 276,842
Mega Fisher Asset Management, LLC $8,882,963 0.29% 265,957
Mega RHUMBLINE ADVISERS $8,246,994 0.27% 246,916
Mega Legal & General Group Plc $6,810,493 0.22% 203,907
Mid HARBOR CAPITAL ADVISORS, INC. $6,686,446 0.22% 200,193
Large Creative Planning $6,666,573 0.22% 199,598
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $6,010,561 0.20% 179,957
Mega Swiss National Bank Bank $5,779,736 0.19% 173,046
Mid Granite Investment Partners, LLC $5,755,989 0.19% 172,335
Small Moody Aldrich Partners LLC $5,689,589 0.18% 170,347
Mega AMERIPRISE FINANCIAL INC $5,532,409 0.18% 165,641
Mega AQR CAPITAL MANAGEMENT LLC $5,417,643 0.18% 162,205
Large GREAT LAKES ADVISORS, LLC $5,349,911 0.17% 160,177
Mega CITIGROUP INC $5,205,789 0.17% 155,862
Mid KENNEDY CAPITAL MANAGEMENT LLC $4,960,401 0.16% 148,515
Large BESSEMER GROUP INC $4,871,490 0.16% 145,853
Large Rafferty Asset Management, LLC $4,223,997 0.14% 126,467
Large STIFEL FINANCIAL CORP $4,168,786 0.14% 124,814
Large Squarepoint Ops LLC $4,045,742 0.13% 121,130
Mega AMERICAN CENTURY COMPANIES INC $4,033,384 0.13% 120,760
Mega WELLS FARGO & COMPANY/MN $4,026,202 0.13% 120,545
Mega TWO SIGMA INVESTMENTS, LP $3,864,847 0.13% 115,714
Small Numerai GP LLC $3,848,815 0.13% 115,234
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $3,792,603 0.12% 113,551
Large SG Americas Securities, LLC Broker-Dealer $3,623,799 0.12% 108,497
Mid RICE HALL JAMES & ASSOCIATES, LLC $3,471,896 0.11% 103,949
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $3,464,047 0.11% 103,714
Large Universal- Beteiligungs- und Servicegesellschaft mbH $3,457,634 0.11% 103,522
Mega ALLIANCEBERNSTEIN L.P. $3,405,130 0.11% 101,950
Large TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY Pension $3,339,531 0.11% 99,986
Mid Vestmark Advisory Solutions, Inc. $3,308,604 0.11% 99,060
Mega PRICE T ROWE ASSOCIATES INC /MD/ $3,133,621 0.10% 93,821
Mega CITADEL ADVISORS LLC $3,118,691 0.10% 93,374
Mega T. Rowe Price Investment Management, Inc. $3,096,113 0.10% 92,698
Small Phocas Financial Corp. $3,069,259 0.10% 91,894
Mega BARCLAYS PLC $3,067,388 0.10% 91,838
Large PRUDENTIAL FINANCIAL INC $3,001,658 0.10% 89,870
Mega DEUTSCHE BANK AG\ Bank $2,908,504 0.09% 87,081
Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC $2,896,214 0.09% 86,713
Small Cladis Investment Advisory, LLC $2,837,430 0.09% 84,953
Large CANADA LIFE ASSURANCE Co Insurance $2,612,614 0.08% 78,222
Mid Ashton Thomas Private Wealth, LLC $2,581,319 0.08% 77,285
Large Connor, Clark & Lunn Investment Management Ltd. $2,535,895 0.08% 75,925
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $2,473,804 0.08% 74,066
Mid NFJ INVESTMENT GROUP, LLC $2,466,990 0.08% 73,862
Mid WEDGE CAPITAL MANAGEMENT L L P/NC $2,447,585 0.08% 73,281
Mega VANGUARD ASSET MANAGEMENT, Ltd $2,420,498 0.08% 72,470
Mega HSBC HOLDINGS PLC $2,258,641 0.07% 67,624
Mega LPL Financial LLC $2,183,024 0.07% 65,360
Large Man Group plc $2,179,383 0.07% 65,251
Micro Cypress Capital Management LLC (WY) $2,077,914 0.07% 62,213
Large State of New Jersey Common Pension Fund D Pension $2,022,470 0.07% 60,553
Large Thrivent Financial for Lutherans $1,961,014 0.06% 58,713
Large Allspring Global Investments Holdings, LLC $1,841,709 0.06% 55,141
Mid Vest Financial, LLC $1,829,418 0.06% 54,773
Large Russell Investments Group, Ltd. $1,763,786 0.06% 52,808
Mega NEUBERGER BERMAN GROUP LLC $1,739,605 0.06% 52,084
Micro Northern Capital Management, Inc. $1,714,655 0.06% 51,337
Mid PICTON MAHONEY ASSET MANAGEMENT $1,691,309 0.05% 50,638

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