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First Interstate BancSystem
FIBK

278 hedge funds and large institutions have $3.37B invested in First Interstate BancSystem in 2025 Q4 according to their latest regulatory filings, with 67 funds opening new positions, 95 increasing their positions, 75 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

168% more first-time investments, than exits

New positions opened: 67 | Existing positions closed: 25

33% more funds holding in top 10

Funds holding in top 10: 3 → 4 (+1)

27% more repeat investments, than reductions

Existing positions increased: 95 | Existing positions reduced: 75

21% more capital invested

Capital invested by funds: $2.79B → $3.37B (+$577M)

17% more funds holding

Funds holding: 238 → 278 (+40)

11.07% more ownership

Funds ownership: 83.61% → 94.68% (+11%)

Holders
278
Holders Change
+40
Holders Change %
+16.81%
% of All Funds
3.38%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
67
Increased
95
Reduced
75
Closed
25
Calls
$557K
Puts
–
Net Calls
+$557K
Net Calls Change
+$5.75M

Top Buyers

1
BlackRock
BlackRock
New York
+$203M
2
Capital International Investors
Capital International Investors
California
+$87.5M
3
State Street
State Street
Massachusetts
+$41M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$39.7M
5
NRCM
North Reef Capital Management
California
+$36.8M

Top Sellers

1
Macquarie Group
Macquarie Group
Australia
-$69.5M
2
Franklin Resources
Franklin Resources
California
-$54.4M
3
Balyasny Asset Management
Balyasny Asset Management
Illinois
-$43.5M
4
ACL
Azora Capital LP
Florida
-$40.7M
5
Millennium Management
Millennium Management
New York
-$13M
Name Holding Trade Value Shares
Change 		Change in
Stake
MFS
176
Mirabella Financial Services
United Kingdom
$297K +$281K +8,586 New
ME
177
McIlrath & Eck
Washington
$294K +$278K +8,502 New
Baird Financial Group
178
Baird Financial Group
Wisconsin
$290K -$64.6K -1,973 -19%
TRCT
179
Tower Research Capital (TRC)
New York
$288K +$90.3K +2,760 +50%
EGM
180
Engineers Gate Manager
New York
$285K +$269K +8,236 New
Ensign Peak Advisors
181
Ensign Peak Advisors
Utah
$276K -$609K -18,600 -70%
Bank of Montreal
182
Bank of Montreal
Ontario, Canada
$273K +$258K +7,878 New
IA
183
Inspire Advisors
Idaho
$266K +$252K +7,700 New
AIP
184
Ameritas Investment Partners
Nebraska
$259K – – –
JFG
185
Jefferies Financial Group
New York
$250K +$237K +7,239 New
VT
186
Vise Technologies
New York
$249K +$235K +7,192 New
Cetera Investment Advisers
187
Cetera Investment Advisers
Illinois
$248K +$235K +7,171 New
OAM
188
Oppenheimer Asset Management
New York
$246K -$300K -9,164 -56%
X
189
Xponance
Pennsylvania
$245K +$883 +27 +0.4%
FC
190
Farringdon Capital
United Kingdom
$244K +$231K +7,066 New
S
191
SignatureFD
Georgia
$237K +$1.24K +38 +0.6%
Janney Montgomery Scott
192
Janney Montgomery Scott
Pennsylvania
$234K +$222K +6,770 New
Mariner
193
Mariner
Kansas
$233K +$220K +6,737 New
TCM
194
Telos Capital Management
California
$227K – – –
IA
195
IFG Advisory
Georgia
$226K – – –
CWM
196
CIBC World Markets
New York
$205K +$194K +5,921 New
SI
197
Stephens Inc
Arkansas
$201K -$35.3K -1,078 -16%
QCG
198
Quadrant Capital Group
Ohio
$181K -$2.78K -85 -2%
SCM
199
Sterling Capital Management
North Carolina
$179K -$33.5K -1,024 -17%
Nisa Investment Advisors
200
Nisa Investment Advisors
Missouri
$152K +$54.9K +1,679 +62%
6 7
8
9 10

FIBK Hedge Fund Activity: Q4 2025 in Review

278 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in First Interstate BancSystem (FIBK) for Q4 2025, worth a combined $3.37B — up 21% from $2.79B a quarter earlier.

Buyers outnumbered sellers: 67 funds opened new FIBK positions and 25 closed out — a net gain of 42 holders — while 95 added to existing stakes and 75 trimmed.

The largest buyer was BlackRock, adding an estimated $203M. The largest seller was Macquarie Group, exiting entirely with an estimated $69.5M sold.

  • 278 institutional investors held First Interstate BancSystem (FIBK) as of Q4 2025, up from 238 in Q3 2025.
  • Funds reported $3.37B of First Interstate BancSystem stock for Q4 2025, up 21% quarter-over-quarter.
  • 67 funds opened new First Interstate BancSystem positions in Q4 2025 and 25 closed out, a net change of +42 holders.
  • The largest First Interstate BancSystem buyer in Q4 2025 was BlackRock, an estimated $203M added.
  • The largest First Interstate BancSystem seller in Q4 2025 was Macquarie Group, an estimated $69.5M sold.

Based on aggregated 13F filings for Q4 2025.