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11 /100
LOW RISK
Score updated Oct 27, 2026

FIBK — First Interstate BancSystem, Inc. Dilution Risk Tracker

Track FIBK dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

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As of October 27, 2026, First Interstate BancSystem, Inc. (FIBK) has a DilutionWatch DilutionScore of 11/100, rated LOW dilution risk. First Interstate BancSystem, Inc. has a market capitalization of $3.57B, 95.30M shares outstanding, 290 institutional holders tracked.

This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.

Score Breakdown

📋 Offering Ability
18
💰Cash Runway—
📊 Float Risk
10
⚠️ Warrant Exposure
15
🔄 Convertible Debt
15

Dilution Forecast

☀️
Clear
No significant dilution signals
model est. 0%
No significant dilution signals detected for FIBK.
🔔 Track FIBK — Get forecast alerts →

Market Data

Market Cap$3.57B
Shares Outstanding95.30M
Float78.01M
Cash$955.20M
Debt$99.00M
Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

FieldCurrent ValueBasis
DilutionScore11/100DilutionWatch score record
Shares Outstanding95.30MVerified float table or market cache
Public Float78.01MVerified float table or market cache
Market Cap$3.57BMarket data cache
Cash RunwayNot applicable / unavailableDilutionWatch score inputs
Shelf CapacityNone in current score inputsSEC-derived dilution fields
ATM CapacityNone in current score inputsSEC-derived dilution fields
Outstanding WarrantsNone in current score inputsSEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 0.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

FIBK SEC Filing Activity — Last 12 Months

Shares outstanding reported by FIBK on the cover page of its latest 10-K/10-Q: 95.30M as of July 30, 2026.

DilutionWatch recorded no shelf, registration or prospectus documents for FIBK in the last 12 months. Full filing list on SEC EDGAR →

FormWhat it isFilingsMost recent
8-Kcurrent report (material event)6Sep 16, 2026
10-Qquarterly report1May 07, 2026
3initial insider ownership56Oct 26, 2026

Institutional Holdings

QoQ: ↑ 3.8% shares (2026Q1 vs prior)
290 institutional holders · 103.65M shares
#1 BlackRock, Inc. 13.48M shares
#2 VANGUARD CAPITAL MANAGEMENT LLC 7.71M shares
#3 STATE STREET CORP 5.89M shares
+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest8.72M
Days to Cover7.8
% of Float11.2%
FINRA data as of Oct 15, 2026

Recent SEC Activity

No recent SEC insights

Recent News

No recent news available for this ticker.

DilutionScore History — Last 90 Days

FIBK's DilutionScore has held steady at 11/100 (Low risk) for 89 consecutive days across the tracked period.

Period Score Risk Level Duration
Jul 30 – Oct 27, 202611/100LOW89 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

FIBK shares outstanding have decreased 3.9% from 101.12M (Mar 2026) to 97.14M (May 2026). Each increase represents potential dilution to existing shareholders.

Date Shares Outstanding Public Float Change
May 16, 202697.14M78.01M▼ 0.06%
May 13, 202697.14M78.05M▼ 1.70%
May 09, 202697.14M79.40M▲ 0.07%
May 04, 202697.38M79.35M▼ 2.28%
Apr 26, 202697.38M81.20M▼ 0.90%
Apr 03, 2026101.12M81.94M▲ 0.11%
Mar 21, 2026101.12M81.84M▼ 0.16%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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