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 4 sales; 298 institutions reported holding it in 13F filings for Q2 2026, worth $3.52B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in First Interstate Bancsystem Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 288
- +16 vs. Q4 2025
- Shares held
- 92.2M
- +6.00M (+7.0%) vs. Q4 2025
- Total value
- $3.08B
- +$95.7M (+3.2%) vs. Q4 2025
- New holders
- 48
- 98 more added
- Sold out
- 32
- 105 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting FIBK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 298 | $3.52B |
| Q1 2026 | 288 | $3.08B |
| Q4 2025 | 278 | $3.37B |
| Q3 2025 | 238 | $2.79B |
| Q2 2025 | 234 | $2.48B |
| Q1 2025 | 248 | $2.45B |
| Q4 2024 | 241 | $2.72B |
| Q3 2024 | 238 | $2.51B |
| Q2 2024 | 219 | $2.27B |
| Q1 2024 | 226 | $2.21B |
| Q4 2023 | 207 | $2.54B |
| Q3 2023 | 202 | $2.10B |
| Q2 2023 | 213 | $1.99B |
| Q1 2023 | 222 | $2.48B |
| Q4 2022 | 254 | $3.11B |
| Q3 2022 | 241 | $3.31B |
| Q2 2022 | 234 | $3.33B |
| Q1 2022 | 256 | $2.94B |
| Q4 2021 | 194 | $1.58B |
| Q3 2021 | 190 | $1.42B |
| Q2 2021 | 179 | $1.31B |
| Q1 2021 | 182 | $1.49B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding First Interstate Bancsystem Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −10,960−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −9,816−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −8,586−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −8,236−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −7,700−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −7,239−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −7,066−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −6,770−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −6,737−100.0% | Sold out |
| IFG Advisory, LLC | 0 | $0 | 0.00% | −6,536−100.0% | Sold out |
| Stephens Inc | 0 | $0 | 0.00% | −5,807−100.0% | Sold out |
| Golden State Wealth Management, LLC | 0 | $0 | 0.00% | −2,401−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −839−100.0% | Sold out |
| Eurizon Capital SGR S.p.A. | 0 | $0 | 0.00% | −736−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −335−100.0% | Sold out |
| Salomon & Ludwin, LLC | 0 | $0 | 0.00% | −264−100.0% | Sold out |
| SWAN Capital LLC | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Basecamp Wealth Advisors LLC | 0 | $0 | 0.00% | −64−100.0% | Sold out |
| Gilpin Wealth Management, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |