Filer Snapshot

FIRST INTERSTATE BANCSYSTEM INC

CIK 0000860413. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Company

Total filings

130

Latest filing

07 May 2026

Industry

State Commercial Banks

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: 13F-HR for Q1 2021. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Latest 13F portfolio

$841.12M

105 holdings for Q1 2021

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Largest parsed holding

VCIT

$139.22M reported value

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13D/G large stake

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Source: SEC filing 10-Q

10-Q filed on 07 May 2026 for CIK 0000860413.

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Ticker symbols
FIBK on Nasdaq
Ownership signals 1 signal
Ownership signals

SEC value by filing type

Compare filing types separately; 13F, 13D/G, and Forms 3/4/5 are different evidence sources.

Latest 13F portfolio$841.12M

Quarterly institutional portfolio holdings.

Latest 13F portfolio value

$841.12M

Market value from the latest parsed Form 13F portfolio.

Largest 13F positions

VCIT IVV VCSH PFF IJR
+15 moreIJH EMB XLV XLK XLI MSFT AMZN XLF AAPL LOW XLC XSD XLE GOOGL NKE

Largest symbols in the latest parsed 13F information table.

Largest 13F positions

Largest symbols in the latest parsed Form 13F information table.

VCIT IVV VCSH PFF IJR IJH EMB XLV
+12 moreXLK XLI MSFT AMZN XLF AAPL LOW XLC XSD XLE GOOGL NKE
How to read these SEC values
  • Read each filing type on its own: 13F portfolios, 13D/G large stakes, and Forms 3/4/5 owner positions answer different questions.
  • Open the linked research paths when you need to verify the exact SEC filing behind a value.
Identity 2 identity fields
SEC industry
State Commercial Banks (Office of Finance)
Business address
401 No 31 St Street, Billings, MT, 59101
SEC profile 3 profile fields
State of incorporation
DE
Fiscal year-end
31 December
Former SEC names
FIRST INTERSTATE BANCSYSTEM OF MONTANA INC (to 09 Mar 1999)

Filer intelligence

What SEC filings say about FIRST INTERSTATE BANCSYSTEM INC

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

Open 13F portfolio Save filer

Quick read

  • Latest parsed 13F shows $841.12M across 105 reported holdings for Q1 2021.
  • Largest parsed 13F holding: VCIT at $139.22M.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio 105 rows

Quarterly institutional portfolio holdings.

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13D/G stakes No rows yet

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 No rows yet

Officer, director, and 10% owner holdings or transactions.

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Top parsed 13F holdings

Visual share of the latest parsed 13F portfolio. Values are reported market value, not a recommendation.

Q1 2021 - 27 Apr 2021

Top 5 concentration

52%

Share of latest parsed 13F value represented by the visible holdings below.

Top 5 reported value

$436.05M

Compared with $841.12M total 13F value.

Top 5 net change

$0

Position-value change inside the visible top holdings only.

13F concentration map

A simple visual split of the latest parsed 13F portfolio.

VCIT IVV VCSH PFF IJR Other holdings

VCIT

16.6%

Vanguard ETF/USA

$139.22M

IVV

11.5%

Ishares

$96.46M

VCSH

9.4%

Vanguard Etf/Usa

$79.38M

PFF

7.9%

BlackRock Fund Advisors

$66.7M

IJR

6.5%

BlackRock Fund Advisors

$54.29M

Latest update

What changed recently for FIRST INTERSTATE BANCSYSTEM INC

New fact period available

Latest financial period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

07 May 2026

Page type

Company facts

Latest period

Q1 2026

SEC-backed company facts were refreshed from filings filed on 07 May 2026.

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Benchmark Context

Benchmark context for this company

FIRST INTERSTATE BANCSYSTEM INC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest financial period: Q1 2026. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 07 May 2026.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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SEC filing record

CIK 0000860413 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
130
First seen
27 Apr 2021
Latest filing
07 May 2026
Entity
Company

Observed form types

10-K 10-Q 13F-HR 3 3/A 4 4/A 5 SCHEDULE 13G

CIK-linked evidence first

FIRST INTERSTATE BANCSYSTEM INC SEC filings FIRST INTERSTATE BANCSYSTEM INC 13F portfolio FIRST INTERSTATE BANCSYSTEM INC insider transactions FIRST INTERSTATE BANCSYSTEM INC company facts FIBK holder history Open SEC filing index

Industry context: State Commercial Banks.

Latest Filings

Showing the latest 12 of 130 SEC filings for FIRST INTERSTATE BANCSYSTEM INC.

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10-Q

10-Q filing

Filing date
07 May 2026
Reporting date
31 Mar 2026
SEC evidence
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4

4 filing

Filing date
01 May 2026
Reporting date
30 Apr 2026
SEC evidence
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3

3 filing

Filing date
29 Apr 2026
Reporting date
29 Apr 2026
SEC evidence
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3

3 filing

Filing date
28 Apr 2026
Reporting date
25 Apr 2026
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4

4 filing

Filing date
27 Mar 2026
Reporting date
26 Mar 2026
SEC evidence
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4

4 filing

Filing date
18 Mar 2026
Reporting date
16 Mar 2026
SEC evidence
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4

4 filing

Filing date
18 Mar 2026
Reporting date
16 Mar 2026
SEC evidence
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4

4 filing

Filing date
18 Mar 2026
Reporting date
16 Mar 2026
SEC evidence
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4

4 filing

Filing date
18 Mar 2026
Reporting date
16 Mar 2026
SEC evidence
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4

4 filing

Filing date
18 Mar 2026
Reporting date
16 Mar 2026
SEC evidence
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4

4 filing

Filing date
17 Mar 2026
Reporting date
15 Mar 2026
SEC evidence
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4

4 filing

Filing date
17 Mar 2026
Reporting date
15 Mar 2026
SEC evidence
Open document Open filing
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