Comparable stake leader
BlackRock, Inc.
SEC ownership of FIRST INTERSTATE BANCSYSTEM INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000860413.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
18 Jun 2026
- Public ticker
- FIBK on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
18 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000860413
- Issuer location
- Billings, MT
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of FIRST INTERSTATE BANCSYSTEM INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
18 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 13%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 13%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
13%
VANGUARD PORTFOLIO MANAGEMENT LLC
5.5%
STATE STREET CORP
5.3%
DIMENSIONAL FUND ADVISORS LP
5.2%
FMR LLC
5%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
13%
|
$459,838,125
13,290,004 shares
|
+$231,649,389 | 31 Dec 2025 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
5.5%
|
$184,491,647
5,523,702 shares
|
$0 | 31 Mar 2026 |
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
5.3%
|
$205,693,832
5,482,245 shares
|
$0 | 31 Dec 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
5.2%
from 13D/G
|
$188,065,820
5,630,789 shares
|
— | 31 Mar 2026 |
| FMR LLC |
13D/G
13F
Company
|
5%
|
$162,452,034
5,210,136 shares
|
-$49,145,854 | 30 Jun 2025 |
| FRANKLIN MUTUAL ADVISERS LLC |
13D/G
|
4%
|
$134,564,765
4,222,302 shares
|
$0 | 30 Sep 2025 |
| WELLINGTON MANAGEMENT GROUP LLP |
13D/G
13F
Company
|
4%
|
$133,711,130
3,882,437 shares
|
-$70,016,107 | 31 Mar 2026 |
| Jeremy Scott |
3/4/5
Director, 10%+ Owner
|
3.6%
|
$117,507,612
3,518,192 shares
|
— | 01 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$28,578,602.
Buys
$0
Insiders: 0
Sells
$28,578,602
Insiders: 12
Net
-$28,578,602
Shares: -838,766
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 838,766
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 574,716 | $0 | $20,436,722 | -$20,436,722 |
| 3-6 | 0 | 5,000 | $0 | $182,315 | -$182,315 |
| 6-9 | 0 | 127,232 | $0 | $4,036,688 | -$4,036,688 |
| 9-12 | 0 | 131,818 | $0 | $3,922,876 | -$3,922,876 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 54 reporting-owner rows connected to FIRST INTERSTATE BANCSYSTEM INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
54
Largest Forms 3/4/5 holder
Jeremy Scott
Net 12M change
-$28,578,602
Latest report
18 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Jeremy Scott | Director, 10%+ Owner | $117,507,612 | Median | 01 Jun 2026 | ||
| James R. Scott | 10%+ Owner | $92,822,020 | Mixed | 31 Dec 2025 | ||
| James R. Scott Jr. | Director, 10%+ Owner | $67,905,940 | Median | 01 Jun 2026 | ||
| Homer A. Scott Jr. | 10%+ Owner | $64,188,080 | Mixed | 05 Sep 2023 | ||
| John M. Heyneman Jr. | Director, 10%+ Owner | $50,091,414 | -$2,424,331 | -4.6% | Median | 01 Jun 2026 |
| Harrison William Scott Trust | 10%+ Owner | $30,792,369 | -$2,956,537 | -8.8% | Filing P/S | 18 Jun 2026 |
| Harper Grace Scott Trust | 10%+ Owner | $30,792,369 | -$2,956,537 | -8.8% | Filing P/S | 18 Jun 2026 |
| Holland Elizabeth Scott Trust | 10%+ Owner | $30,792,369 | -$2,956,537 | -8.8% | Filing P/S | 18 Jun 2026 |
| Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04 | 10%+ Owner | $30,792,369 | -$2,956,537 | -8.8% | Filing P/S | 18 Jun 2026 |
| Jonathan R. Scott | 10%+ Owner | $30,792,369 | -$4,154,636 | -12% | Filing P/S | 18 Jun 2026 |
| Homer Scott Jr Trust, Homer Scott Jr. & First Interstate Wealth Management Co Trustees | 10%+ Owner | $30,557,201 | Filing P/S | 14 Dec 2023 | ||
| IXL Ltd Liability Co | 10%+ Owner | $17,566,273 | -$3,496,037 | -17% | Filing P/S | 18 Jun 2026 |
| Elizabeth Lauren Scott Rose Trust | 10%+ Owner | $17,566,273 | -$539,500 | -3% | Filing P/S | 18 Jun 2026 |
| Juliana Sarah Scott Rose Trust | 10%+ Owner | $17,566,273 | -$539,500 | -3% | Filing P/S | 18 Jun 2026 |
| Julie A. Scott | 10%+ Owner | $17,566,273 | -$539,500 | -3% | Filing P/S | 18 Jun 2026 |
| Julie A Scott Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-2002 | 10%+ Owner | $17,566,273 | -$539,500 | -3% | Filing P/S | 18 Jun 2026 |
| Susan Scott Heyneman | 10%+ Owner | $14,747,636 | Mixed | 18 Jul 2022 | ||
| Geoffrey D. Scott | 10%+ Owner | $13,259,905 | Mixed | 31 Dec 2025 | ||
| Risa Kae Scott | 10%+ Owner | $10,385,981 | Mixed | 03 Dec 2025 | ||
| Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees | 10%+ Owner | $7,351,065 | -$4,519,450 | -38% | Filing P/S | 01 Dec 2025 |
Recent insider transactions for FIRST INTERSTATE BANCSYSTEM INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Scott Julie A | FIBK | Common Stock | Sale | -2.98% | $539,500 | $35.97 | -15,000 | 488,359 | 18 Jun 2026 | See Footnote |
| Scott Julie A | FIBK | Common Stock | Sale | -2.98% | $539,500 | $35.97 | -15,000 | 488,359 | 18 Jun 2026 | See Footnote |
| Scott Julie A | FIBK | Common Stock | Sale | -2.98% | $539,500 | $35.97 | -15,000 | 488,359 | 18 Jun 2026 | See Footnote |
| Scott Julie A | FIBK | Common Stock | Sale | -2.98% | $539,500 | $35.97 | -15,000 | 488,359 | 18 Jun 2026 | See Footnote |
| Julie A. Scott | FIBK | Common Stock | Sale | -2.98% | $539,500 | $35.97 | -15,000 | 488,359 | 18 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.09% | $339,073 | $36.11 | -9,390 | 852,738 | 18 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.09% | $339,073 | $36.11 | -9,390 | 852,738 | 18 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.09% | $339,073 | $36.11 | -9,390 | 852,738 | 18 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.09% | $339,073 | $36.11 | -9,390 | 852,738 | 18 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.09% | $339,073 | $36.11 | -9,390 | 852,738 | 18 Jun 2026 | See Footnote |
| Jonathan R. Scott | FIBK | Common Stock | Sale | -1.09% | $339,073 | $36.11 | -9,390 | 852,738 | 18 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.52% | $163,305 | $36.29 | -4,500 | 862,128 | 17 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.52% | $163,305 | $36.29 | -4,500 | 862,128 | 17 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.52% | $163,305 | $36.29 | -4,500 | 862,128 | 17 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.52% | $163,305 | $36.29 | -4,500 | 862,128 | 17 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.52% | $163,305 | $36.29 | -4,500 | 862,128 | 17 Jun 2026 | See Footnote |
| Jonathan R. Scott | FIBK | Common Stock | Sale | -0.52% | $163,305 | $36.29 | -4,500 | 862,128 | 17 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.47% | $458,697 | $35.58 | -12,892 | 866,628 | 04 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.47% | $458,697 | $35.58 | -12,892 | 866,628 | 04 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.47% | $458,697 | $35.58 | -12,892 | 866,628 | 04 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.47% | $458,697 | $35.58 | -12,892 | 866,628 | 04 Jun 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -1.47% | $458,697 | $35.58 | -12,892 | 866,628 | 04 Jun 2026 | See Footnote |
| Jonathan R. Scott | FIBK | Common Stock | Sale | -1.47% | $458,697 | $35.58 | -12,892 | 866,628 | 04 Jun 2026 | See Footnote |
| Michael L. Scudder | FIBK | Common Stock | Award | 119.6% | 2,247 | 4,126 | 01 Jun 2026 | Direct | ||
| Christopher L. Shepler | FIBK | Common Stock | Award | 34.1% | 3,370 | 13,240 | 01 Jun 2026 | Direct | ||
| Lori Meyer | FIBK | Common Stock | Award | 15.8% | 2,247 | 16,517 | 01 Jun 2026 | Direct | ||
| Alice S. Cho | FIBK | Common Stock | Award | 16.6% | 2,247 | 15,792 | 01 Jun 2026 | Direct | ||
| Dennis L. Johnson | FIBK | Common Stock | Award | 13.1% | 2,247 | 19,455 | 01 Jun 2026 | Direct | ||
| Ryan J. Boschee | FIBK | Common Stock | Award | 15.5% | 2,247 | 16,777 | 01 Jun 2026 | Direct | ||
| David della Camera | FIBK | Common Stock | Award | 12.6% | 3,370 | 30,048 | 01 Jun 2026 | Direct | ||
| Jolyn M. Kanning | FIBK | Common Stock | Award | 19.3% | 2,247 | 13,885 | 01 Jun 2026 | Direct | ||
| Daniel A. Rykhus | FIBK | Common Stock | Award | 7.72% | 2,247 | 31,357 | 01 Jun 2026 | Direct | ||
| Joyce Ann Phillips | FIBK | Common Stock | Award | 18.2% | 2,247 | 14,599 | 01 Jun 2026 | Direct | ||
| Biff Bowman | FIBK | Common Stock | Award | 22.1% | 4,353 | 24,035 | 01 Jun 2026 | Direct | ||
| Renu Agrawal | FIBK | Common Stock | Award | 123% | 2,247 | 4,074 | 01 Jun 2026 | Direct | ||
| Kirk D. Jensen | FIBK | Common Stock | Award | 6.87% | 2,247 | 34,978 | 01 Jun 2026 | Direct | ||
| Jeremy Scott | FIBK | Common Stock | Award | 64.3% | 2,247 | 5,743 | 01 Jun 2026 | Direct | ||
| John M. Heyneman Jr. | FIBK | Common Stock | Award | 43% | 2,247 | 7,471 | 01 Jun 2026 | Direct | ||
| James R. Scott Jr. | FIBK | Common Stock | Award | 2.86% | 2,247 | 80,792 | 01 Jun 2026 | Direct | ||
| Scott Jonathan R | FIBK | Common Stock | Sale | -5.73% | $1,895,112 | $35.42 | -53,504 | 879,520 | 30 Apr 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -5.73% | $1,895,112 | $35.42 | -53,504 | 879,520 | 30 Apr 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -5.73% | $1,895,112 | $35.42 | -53,504 | 879,520 | 30 Apr 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -5.73% | $1,895,112 | $35.42 | -53,504 | 879,520 | 30 Apr 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -5.73% | $1,895,112 | $35.42 | -53,504 | 879,520 | 30 Apr 2026 | See Footnote |
| Jonathan R. Scott | FIBK | Common Stock | Sale | -5.73% | $1,895,112 | $35.42 | -53,504 | 879,520 | 30 Apr 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.32% | $100,350 | $33.45 | -3,000 | 933,024 | 26 Mar 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.32% | $100,350 | $33.45 | -3,000 | 933,024 | 26 Mar 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.32% | $100,350 | $33.45 | -3,000 | 933,024 | 26 Mar 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.32% | $100,350 | $33.45 | -3,000 | 933,024 | 26 Mar 2026 | See Footnote |
| Scott Jonathan R | FIBK | Common Stock | Sale | -0.32% | $100,350 | $33.45 | -3,000 | 933,024 | 26 Mar 2026 | See Footnote |
* marks a reported price that did not pass the local price check.