First Interstate Bancsystem Inc
FIBK- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- SEC CIK
- 0000860413
In the last 90 days, First Interstate Bancsystem Inc insiders filed 0 open-market purchases and 7 sales; 299 institutions reported holding it in 13F filings for Q2 2026, worth $3.52B in total; no superinvestor holds it.
Holders of 5% or more of FIBK
Holders whose latest Schedule 13D or 13G filing reports 5% or more of First Interstate Bancsystem Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 12.90%13.3M shares | +6.60 ppfrom 6.30% | Apr 17, 20252 filings | Jan 8, 2026 | SEC |
| State Street Corp | 13G | 6.40%6.25M shares | +1.10 ppfrom 5.30% | Feb 9, 20262 filings | Aug 7, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.46%5.52M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Dimensional Fund Advisors LP | 13G | 5.20%5.42M shares | New | Jul 15, 20251 filing | Jul 15, 2025 | SEC |
| FMR LLC | 13G/A | 5.00%5.21M shares | −1.50 ppfrom 6.50% | Feb 9, 20244 filings | Aug 6, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
39 Schedule 13D and 13G filings on First Interstate Bancsystem Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 7, 20269:34 AM ET | State Street Corp | 13G | 6.40%6.25M shares | +1.10 ppfrom 5.30% | Jun 30, 2026 | SEC |
| May 15, 20267:24 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 4.00%3.88M shares | −1.60 ppfrom 5.60%Below 5% | Mar 31, 2026 | SEC |
| Apr 29, 20261:51 PM ET | Vanguard Portfolio Management LLC | 13G | 5.46%5.52M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20262:46 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −10.00 ppfrom 10.00%Below 5% | Mar 13, 2026 | SEC |
| Mar 5, 20261:24 PM ET | Vanguard Group Inc | 13G/A | 10.00%10.1M shares | +0.24 ppfrom 9.76% | Feb 27, 2026 | SEC |
| Feb 9, 20266:34 AM ET | State Street Corp | 13G | 5.30%5.48M shares | New | Dec 31, 2025 | SEC |
| Jan 30, 20262:20 PM ET | Vanguard Group Inc | 13G/A | 9.76%10.0M shares | – | Dec 31, 2025 | SEC |
| Jan 8, 20261:28 PM ET | BlackRock, Inc. | 13G/A | 12.90%13.3M shares | +6.60 ppfrom 6.30% | Dec 31, 2025 | SEC |
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 3 others | 13G | 5.60%5.92M shares | New | Sep 30, 2025 | SEC |
| Nov 4, 202512:17 PM ET | Franklin Mutual Advisers LLC | 13G/A | 4.00%4.22M shares | –Below 5% | Sep 30, 2025 | SEC |
| Aug 6, 202512:01 PM ET | FMR LLCand 1 other | 13G/A | 5.00%5.21M shares | −1.50 ppfrom 6.50% | Jun 30, 2025 | SEC |
| Jul 15, 20254:03 PM ET | Dimensional Fund Advisors LP | 13G | 5.20%5.42M shares | New | Jun 30, 2025 | SEC |
| Apr 17, 20259:35 AM ET | BlackRock, Inc. | 13G/A | 6.30%6.59M shares | – | Mar 31, 2025 | SEC |
| Feb 12, 20259:08 AM ET | FMR LLCand 1 other | 13G | 6.50%6.79M shares | – | Dec 31, 2024 | SEC |
| Nov 12, 2024 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| May 29, 20241:38 PM ET | Scott James R | 13D/AOld format | – | – | – | SEC |
| Apr 4, 20242:08 PM ET | Scott James R | 13D/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | FMR LLC | 13GOld format | – | New | – | SEC |
| Jan 30, 2024 | Franklin Mutual Advisers LLC | 13GOld format | – | New | – | SEC |
| Jan 26, 202411:49 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Dec 21, 20235:29 PM ET | Scott James R | 13D/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2023 | Massachusetts Financial Services Co | 13G/AOld format | – | – | – | SEC |
| Feb 1, 20234:54 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| May 9, 20223:23 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Mar 31, 20224:49 PM ET | First Interstate Bank | 13D/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Macquarie Group Ltd | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 4, 20224:35 PM ET | First Interstate Bank | 13D/AOld format | – | – | – | SEC |
| Feb 2, 2022 | Massachusetts Financial Services Co | 13GOld format | – | New | – | SEC |
| Jan 27, 202211:00 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 25, 20223:03 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Sep 16, 20215:55 PM ET | First Interstate Bank | 13D/AOld format | – | – | – | SEC |
| Mar 9, 20216:33 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 202111:39 AM ET | First Interstate Bank | 13D/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Macquarie Group Ltd | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 29, 20219:56 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
56 notices from officers, directors and other affiliates planning to sell First Interstate Bancsystem Inc shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 9, 20266:13 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Former director | 10.0K | $384.2K | Nov 9, 2026 | Goldman Sachs & Co. LLC | SEC |
| Nov 2, 202612:38 PM ET | Scott James RDirector | 3.11K | $118.1K | Nov 2, 2026 | Fidelity Brokerage Services LLC | SEC |
| Oct 30, 20264:01 PM ET | Scott James RDirector | 50 | $1.91K | Oct 30, 2026 | Fidelity Brokerage Services LLC | SEC |
| Oct 22, 20266:58 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Former director | 10.0K | $368.8K | Oct 22, 2026 | Goldman Sachs & Co. LLC | SEC |
| Sep 11, 20266:53 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Former director | 15.0K | $553.8K | Sep 11, 2026 | Goldman Sachs & Co. LLC | SEC |
| Jul 16, 20264:42 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Former director | 20.0K | $804.4K | Jul 16, 2026 | Goldman Sachs & Co. LLC | SEC |
| Jun 18, 20264:10 PM ET | Julie Scott Rose TrustFamily Ownership | 15.0K | $539.5K | Jun 18, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jun 17, 20265:21 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Former director | 13.9K | $495.0K | Jun 17, 2026 | Goldman Sachs & Co. LLC | SEC |
| Apr 30, 20265:51 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Former director | 66.4K | $2.36M | Apr 30, 2026 | Goldman Sachs & Co. LLC | SEC |
| Feb 11, 20262:03 PM ET | Asker Lorrie FOfficer | 1.58K | $60.0K | Feb 11, 2026 | Fidelity Brokerage Services LLC | SEC |
| Feb 3, 20264:05 PM ET | Quinn T HeynemanDirector's son | 615 | $23.1K | Feb 3, 2026 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Jan 5, 20264:55 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Former director | 10.0K | $360.5K | Jan 5, 2026 | Goldman Sachs & Co. LLC | SEC |
| Nov 24, 202511:54 AM ET | John Heyneman Jr, Trust Non-Managed Agency10% stockholder | 30.4K | $944.5K | Nov 21, 2025 | SIDCO Trading & Operations SEI | SEC |
| Nov 12, 20258:48 AM ET | Bench Ranch LLCDirector | 15.0K | $482.2K | Nov 11, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 10, 20254:20 PM ET | Awe' LLCDirector | 20.0K | $641.3K | Nov 10, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 3, 20254:30 PM ET | Jennifer R Scott Trust10% stockholder | 4.80K | $150.1K | Nov 3, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Oct 29, 20254:36 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Former director | 7.00K | $224.8K | Oct 29, 2025 | Goldman Sachs & Co. LLC | SEC |
| Oct 8, 20254:11 PM ETAmended | Jonathan R. Scott Trust dtd 11/13/2004Former director | 20.0K | $636.8K | Oct 7, 2025 | Goldman Sachs & Co. LLC | SEC |
| Sep 2, 20254:52 PM ET | Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees10% stockholder | 40.0K | $1.31M | Sep 2, 202510b5-1 | Piper Sandler & Co Inc | SEC |
| Aug 14, 20255:13 PM ET | Heyneman John M JrDirector | 11.8K | $356.7K | Aug 14, 2025 | Fidelity Brokerage Services LLC | SEC |
| Jul 14, 20254:41 PM ET | Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees10% stockholder | 110.0K | $3.41M | Jul 14, 202510b5-1 | Piper Sandler & Co Inc | SEC |
| Feb 26, 20254:16 PM ET | Quinn T HeynemanDirector's son | 250 | $7.63K | Feb 26, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Feb 14, 20254:47 PM ET | Bae-John HeynemanDirector's son | 1.33K | $43.5K | Feb 14, 2025 | Morgan Stanley Smith Barney LLC Executive Financial Services | SEC |
| Nov 22, 20247:46 PM ET | James R. Scott, Jr.Affiliate | 6.07K | $208.6K | Nov 22, 2024 | J.P. Morgan Securities LLC | SEC |
| Nov 13, 20246:27 PM ET | Jonathan R. Scott Trust dtd 11/13/2004Director | 6.50K | $219.3K | Nov 13, 2024 | Goldman Sachs & Co. LLC | SEC |
Showing the latest 25. See the FIBK notices from the last 12 months