# FIRST INTERSTATE BANCSYSTEM INC (FIBK) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 32055Y201
Page URL: https://superinvestorclub.com/stock/FIBK
Last updated: 2026-07-08T12:26:09.490Z

## Summary

As of the most recent 13F filing period, FIRST INTERSTATE BANCSYSTEM INC (FIBK) is held by 1 tracked superinvestors with an aggregate position value of $1.6M representing 049370 shares.

## Top institutional holders (1)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Tweedy Browne](https://superinvestorclub.com/manager/18) | Tweedy Browne Company | 49370 | $1.6M | 0.13% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2025-06-30: 1 holders, $384,372 aggregate, 013337 shares
- 2025-09-30: 1 holders, $868,107 aggregate, 027239 shares
- 2025-12-31: 2 holders, $8.0M aggregate, 019939631775 shares
- 2026-03-31: 1 holders, $1.6M aggregate, 049370 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "FIRST INTERSTATE BANCSYSTEM INC (FIBK) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/FIBK), aggregating SEC 13F, Form 4, and congressional disclosures."