Who owns First Interstate BancSystem, Inc.?
Institutional ownership of FIBK from SEC Form 13F filings across 208 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
208
13F holders
$2.52B
value, 2026 filers
68%
of shares outstanding (66.0M sh)
28
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of FIBK's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 13.7M | $529.5M | 0.0% | 14.1% | +1.9% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.5M | $212.3M | 0.0% | 5.7% | +0.3% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | 3.8M | $145.3M | 0.0% | 3.9% | -2.9% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3.7M | $144.2M | 0.0% | 3.8% | -51.5% |
| 5 | FMR LLC | 2.5M | $95.0M | 0.0% | 2.5% | -36.4% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 2.4M | $92.1M | 0.0% | 2.5% | +7.6% |
| 7 | Capital International Investors | 2.3M | $90.3M | 0.0% | 2.4% | +2.2% |
| 8 | VICTORY CAPITAL MANAGEMENT INC | 2.1M | $82.9M | 0.0% | 2.2% | +3.0% |
| 9 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 2.0M | $77.8M | 0.1% | 2.1% | +18.5% |
| 10 | MORGAN STANLEY | 1.6M | $63.2M | 0.0% | 1.7% | +8.3% |
| 11 | BANK OF AMERICA CORP /DE/ | 1.5M | $56.4M | 0.0% | 1.5% | -17.8% |
| 12 | FRANKLIN RESOURCES INC | 1.4M | $55.0M | 0.0% | 1.5% | -24.1% |
| 13 | JPMORGAN CHASE & CO | 1.4M | $54.4M | 0.0% | 1.4% | -17.6% |
| 14 | FIRST TRUST ADVISORS LP | 1.3M | $50.6M | 0.0% | 1.4% | +9.7% |
| 15 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.2M | $46.6M | 0.0% | 1.2% | -5.0% |
| 16 | Capital World Investors | 1.2M | $45.4M | 0.0% | 1.2% | +2.8% |
| 17 | Sixth Street Partners Management Company, L.P.NEW | 1.2M | $45.1M | 7.8% | 1.2% | new |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $45.1M | 0.0% | 1.2% | -1.2% |
| 19 | UBS Group AG | 1.1M | $40.8M | 0.0% | 1.1% | -39.8% |
| 20 | CRAMER ROSENTHAL MCGLYNN LLC | 1.0M | $39.9M | 2.0% | 1.1% | +13.1% |
| 21 | Bank of New York Mellon Corp | 1.0M | $38.7M | 0.0% | 1% | +2.7% |
| 22 | NORGES BANKNEW | 978,151 | $37.7M | 0.0% | 1% | new |
| 23 | NORTHERN TRUST CORP | 978,127 | $37.7M | 0.0% | 1% | +11.0% |
| 24 | GOLDMAN SACHS GROUP INC | 753,537 | $29.1M | 0.0% | 0.8% | +6.8% |
| 25 | MILLENNIUM MANAGEMENT LLC | 638,735 | $24.6M | 0.0% | 0.7% | -18.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.