First Interstate Bancsystem Inc. 13F holders
Of the 44 funds followed here, 7 reported a position in First Interstate Bancsystem Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 2.5 million shares worth $95.0 million, 0.0% of its reported book. New this quarter: Bridgewater Associates.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 2,463,971 | $95.0 million | 0.0% | -1,413,225 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 2,387,561 | $92.1 million | 0.0% | +169,242 | added | 30 June 2026 | 13F |
| Norges Bank | 978,151 | $37.7 million | 0.0% | held | 30 June 2026 | 13F | |
| Millennium Management | 638,735 | $24.6 million | 0.0% | -142,392 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 396,596 | $15.3 million | 0.0% | +280,882 | added | 30 June 2026 | 13F |
| Citadel Advisors | 217,090 | $8.4 million | 0.0% | +123,716 | added | 30 June 2026 | 13F |
| Bridgewater Associates | 44,810 | $1.7 million | 0.0% | +44,810 | new | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 7 August 2026 | 13G | State Street Corporation and 1 other | 6.3 million | 6.4% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Wellington Management Group LLP and 5 others | 3.9 million | 4.0% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 5.5 million | 5.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 5 March 2026 | 13G/A | The Vanguard Group and 1 other | 10.1 million | 10.0% | 27 February 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 9 February 2026 | 13G | State Street Corporation and 1 other | 5.5 million | 5.3% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 30 January 2026 | 13G/A | The Vanguard Group and 1 other | 10.0 million | 9.8% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 8 January 2026 | 13G/A | BlackRock, Inc. and 1 other | 13.3 million | 12.9% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 12 November 2025 | 13G | Wellington Management Group LLP and 7 others | 5.9 million | 5.6% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 4 November 2025 | 13G/A | Franklin Mutual Advisers, LLC and 1 other | 4.2 million | 4.0% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 10 September 2026 | 198 | $36.82 | SEC |
| 3 September 2026 | 9,296 | $37.16 | SEC |
| 31 August 2026 | 35 | $37.04 | SEC |
| 28 August 2026 | 258 | $37.27 | SEC |
| 19 August 2026 | 8,404 | $38.46 | SEC |
| 14 August 2026 | 43 | $38.84 | SEC |
| 13 August 2026 | 40,291 | $38.53 | SEC |
| 12 August 2026 | 983 | $38.02 | SEC |
| 11 August 2026 | 5,001 | $37.38 | SEC |
| 10 August 2026 | 93 | $37.53 | SEC |
| 7 August 2026 | 864 | $37.42 | SEC |
| 6 August 2026 | 794 | $38.07 | SEC |
| 3 August 2026 | 23,486 | $38.02 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
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Largest in the window: 40,291 on 13 August 2026. A fail is an operational fact about settlement, not a position.Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to FIBK by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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