First Interstate Bank reported 112 positions worth $451.25M for the quarter ended Sep 30, 2026, down 0.6% on the prior quarter. It opened 1 new position, added to 17, trimmed 48 and exited 3. Its largest holding is First Interstate Bancsystem Inc at 36.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| META Meta Platforms, Inc. | +4,718 | +61.6% | $3.42M | 1.99% |
| AAPL Apple Inc. | +8,495 | +11.1% | $2.83M | 6.27% |
| AVGO Broadcom Inc. | +2,241 | +21.8% | $787.02K | 0.973% |
| MSFT Microsoft Corp | +466 | +1.1% | $239.01K | 4.78% |
| VLO Valero Energy Corp | +575 | – | $222.88K | 0.049% |
| LLY ELI LILLY & Co | +51 | +9.2% | $59.01K | 0.155% |
| WM Waste Management Inc | +98 | +8.4% | $19.98K | 0.057% |
| INTC Intel Corp | +155 | +1.0% | $18.64K | 0.399% |
| V Visa Inc. | +23 | +1.4% | $8.26K | 0.13% |
| TMO Thermo Fisher Scientific Inc. | +12 | +0.4% | $8.10K | 0.408% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| XOM ExxonMobil Holdings Corp | -15.1K | -100.0% | $2.07M | Exited |
| PANW Palo Alto Networks Inc | -2,734 | -6.0% | $1.09M | 3.78% |
| FIBK First Interstate Bancsystem Inc | -23.3K | -0.5% | $833.74K | 36.36% |
| GOOGL Alphabet Inc. | -2,135 | -3.6% | $734.61K | 4.34% |
| AMZN Amazon Com Inc | -1,888 | -2.8% | $470.40K | 3.69% |
| NVDA Nvidia Corp | -1,693 | -5.3% | $386.65K | 1.53% |
| CSCO Cisco Systems, Inc. | -3,590 | -2.8% | $386.39K | 2.93% |
| JPM Jpmorgan Chase & Co | -1,047 | -3.5% | $346.38K | 2.12% |
| C Citigroup Inc | -2,201 | -5.2% | $284.99K | 1.16% |
| CRM Salesforce, Inc. | -1,144 | -4.7% | $262.63K | 1.18% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| VLO Valero Energy Corp | +575 | $222.88K | 0.049% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | FIBK First Interstate Bancsystem Inc | Financial Services | 4.59M | $164.09M | 36.36% | -23.3K | -0.5% | Reduced | 4.75% |
| 2 | AAPL Apple Inc. | Technology | 84.9K | $28.27M | 6.27% | +8,495 | +11.1% | Added | 0% |
| 3 | MSFT Microsoft Corp | Technology | 42.0K | $21.55M | 4.78% | +466 | +1.1% | Added | 0% |
| 4 | GOOGL Alphabet Inc. | Technology | 56.9K | $19.58M | 4.34% | -2,135 | -3.6% | Reduced | 0% |
| 5 | PANW Palo Alto Networks Inc | Technology | 43.0K | $17.07M | 3.78% | -2,734 | -6.0% | Reduced | 0.01% |
| 6 | AMZN Amazon Com Inc | Consumer Discretionary | 66.7K | $16.63M | 3.69% | -1,888 | -2.8% | Reduced | 0% |
| 7 | CSCO Cisco Systems, Inc. | Technology | 123.0K | $13.24M | 2.93% | -3,590 | -2.8% | Reduced | 0% |
| 8 | BRK-B Berkshire Hathaway Inc | Financial Services | 21.2K | $10.55M | 2.34% | -503 | -2.3% | Reduced | 0% |
| 9 | JPM Jpmorgan Chase & Co | Financial Services | 28.9K | $9.57M | 2.12% | -1,047 | -3.5% | Reduced | 0% |
| 10 | META Meta Platforms, Inc. | Technology | 12.4K | $8.97M | 1.99% | +4,718 | +61.6% | Added | 0% |
| 11 | NVDA Nvidia Corp | Technology | 30.2K | $6.90M | 1.53% | -1,693 | -5.3% | Reduced | 0% |
| 12 | AXP American Express Co | Financial Services | 20.1K | $6.10M | 1.35% | -661 | -3.2% | Reduced | 0% |
| 13 | COST Costco Wholesale Corp | Consumer Staples | 6,296 | $5.73M | 1.27% | -103 | -1.6% | Reduced | 0% |
| 14 | WMT Walmart Inc. | Consumer Staples | 54.8K | $5.70M | 1.26% | -84 | -0.2% | Reduced | 0% |
| 15 | CRM Salesforce, Inc. | Technology | 23.3K | $5.34M | 1.18% | -1,144 | -4.7% | Reduced | 0% |
Tip. Select a row to see that position’s full history at First Interstate Bank.
As of its Q3 2026 13F filing, First Interstate Bank’s five largest positions were First Interstate Bancsystem Inc (FIBK) at 36.4%, Apple Inc. (AAPL) at 6.3%, Microsoft Corp (MSFT) at 4.8%, Alphabet Inc. (GOOGL) at 4.3%, Palo Alto Networks Inc (PANW) at 3.8% of the reported portfolio.
First Interstate Bank reported a 13F portfolio worth $451.25M across 112 positions for Q3 2026. That is down 0.6% from the previous quarter.
Its largest purchases by value were Meta Platforms, Inc. ($3.42M), Apple Inc. ($2.83M), Broadcom Inc. ($787.02K). It opened 1 new positions.
Its largest sales by value were ExxonMobil Holdings Corp ($2.07M), Palo Alto Networks Inc ($1.09M), First Interstate Bancsystem Inc ($833.74K). It exited 3 positions entirely.
From the Form 13F-HR reports First Interstate Bank files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.