First Interstate Bancsystem Inc (FIBK) Institutional Ownership

Ownership Summary

The institutional landscape for First Interstate Bancsystem Inc (NASDAQ:FIBK) includes 260 filers as of the latest reporting cycle ending December 2025.

• The percentage of First Interstate Bancsystem owned by institutions changed from 84.7% in September 2025 to 93.2% in December 2025, marking a slight up trend.
• Institutional share ownership changed by 17.78% QoQ, while the number of institutional owners saw an increase of 10.17% YoY.
• Among the 260 institutional holders of First Interstate Bancsystem, 147 added to their stakes while 72 trimmed their positions and 41 held steady.
• The total number of shares held by institutions in First Interstate Bancsystem increased to 96.45Mn as of December 2025, a net change of up by 14.56Mn shares quarter on quarter, and up 12.75Mn shares year over year.
• With 13.61Mn shares, BlackRock, Inc. commands the largest institutional position in First Interstate Bancsystem as of December 31, 2025, equating to 13.16% of the company.
• Among the most significant buyers of First Interstate Bancsystem during December 2025 were BlackRock, Inc. (6.20Mn), Capital International Investors (2.67Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.94Mn), STATE STREET CORP (1.25Mn), VANGUARD GROUP INC (1.21Mn).
• Leading sellers of First Interstate Bancsystem stock in December 2025 included FRANKLIN RESOURCES INC (1.66Mn), BALYASNY ASSET MANAGEMENT L.P. (1.33Mn), JENNISON ASSOCIATES LLC (272.79K), TWO SIGMA INVESTMENTS, LP (253.57K), JPMORGAN CHASE & CO (211.45K).
• The top 10 institutional holders of First Interstate Bancsystem for the quarter ending December 2025 included BlackRock, Inc. (13.61Mn), VANGUARD GROUP INC (10.05Mn), WELLINGTON MANAGEMENT GROUP LLP (5.79Mn), STATE STREET CORP (5.48Mn), DIMENSIONAL FUND ADVISORS LP (5.40Mn), FMR LLC (4.74Mn), FIRST INTERSTATE BANK (4.67Mn), HoldCo Asset Management, LP (3.95Mn), Capital International Investors (2.67Mn), FRANKLIN RESOURCES INC (2.60Mn).