Brown Brothers Harriman & Co’s First Interstate BancSystem FIBK Stock Holding History

Brown Brothers Harriman & Co’s Portfolio FIBK Stock Details FIBK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$6.63K	Hold	172	–	–	﹤0.01%	1499
2026 Q1	$5.75K	Buy	172 +15	+10%	+$536	﹤0.01%	1466
2025 Q4	$5.43K	Buy	+157	New	+$5.14K	﹤0.01%	1488
2023 Q4	–	Sell	-250	Closed	-$6.24K	–	1193
2023 Q3	$6.24K	Hold	250	–	–	﹤0.01%	1005
2023 Q2	$5.96K	Buy	+250	New	+$6.3K	﹤0.01%	1031
2022 Q4	–	Sell	-78	Closed	-$3K	–	1347
2022 Q3	$3K	Buy	+78	New	+$3.14K	﹤0.01%	1370
2020 Q4	–	Sell	-175	Closed	-$6K	–	1108
2020 Q3	$6K	Hold	175	–	–	﹤0.01%	802
2020 Q2	$5K	Hold	175	–	–	﹤0.01%	812
2020 Q1	$5K	Buy	+175	New	+$6.28K	﹤0.01%	794

Other funds holding FIBK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

FIB

First Interstate Bank Billings, Montana $1.92B AUM 19.65% 1-Year Est. Return

HAM

HoldCo Asset Management Fort Lauderdale, Florida $1.56B AUM 45.42% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Brown Brothers Harriman & Co's FIBK Position: Q2 2026 in Review

Brown Brothers Harriman & Co held its First Interstate BancSystem (FIBK) position steady in Q2 2026 at 172 shares worth $6.63K. The position accounts for ﹤0.01% of the portfolio, ranked #1499.

Brown Brothers Harriman & Co first reported a position in FIBK in Q1 2020 and has held it in 9 quarters since. 298 funds tracked by Wall St. Rank hold FIBK as of Q2 2026.

Brown Brothers Harriman & Co held 172 shares of First Interstate BancSystem worth $6.63K as of Q2 2026.
Brown Brothers Harriman & Co left its First Interstate BancSystem share count unchanged in Q2 2026.
First Interstate BancSystem made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #1499 holding.
Brown Brothers Harriman & Co first reported a position in First Interstate BancSystem in Q1 2020 and has held it in 9 quarters since.
298 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.