Brown Advisory’s First Interstate BancSystem FIBK Stock Holding History

Brown Advisory’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	$239K	Sell	6,203 -2,541	-29%	-$90K	﹤0.01%	1347
2026 Q1	$292K	Sell	8,744 -710,923	-99%	-$25.4M	﹤0.01%	1221
2025 Q4	$24.9M	Sell	719,667 -210,172	-23%	-$6.88M	0.03%	293
2025 Q3	$29.6M	Sell	929,839 -26,474	-3%	-$824K	0.04%	271
2025 Q2	$27.6M	Sell	956,313 -60,939	-6%	-$1.64M	0.04%	271
2025 Q1	$29.1M	Buy	1,017,252 +11,209	+1%	+$347K	0.04%	254
2024 Q4	$32.7M	Buy	1,006,043 +164,314	+20%	+$5.34M	0.04%	269
2024 Q3	$25.8M	Buy	+841,729	New	+$25.1M	0.03%	298

Other funds holding FIBK

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 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 Advisory's FIBK Position: Q2 2026 in Review

Brown Advisory reduced its First Interstate BancSystem (FIBK) stake by 29% in Q2 2026, selling an estimated $90K and leaving 6,203 shares worth $239K. The position accounts for ﹤0.01% of the portfolio, ranked #1347.

Brown Advisory first reported a position in FIBK in Q3 2024 and has held it in 8 quarters since. The position peaked at $32.7M in Q4 2024. 299 funds tracked by Wall St. Rank hold FIBK as of Q2 2026.

Brown Advisory held 6,203 shares of First Interstate BancSystem worth $239K as of Q2 2026.
Brown Advisory sold 2,541 First Interstate BancSystem shares in Q2 2026, an estimated $90K.
First Interstate BancSystem made up ﹤0.01% of Brown Advisory's portfolio in Q2 2026, its #1347 holding.
Brown Advisory first reported a position in First Interstate BancSystem in Q3 2024 and has held it in 8 quarters since.
Brown Advisory's First Interstate BancSystem position peaked at $32.7M in Q4 2024.
299 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q2 2026.

Based on Brown Advisory's 13F filing for Q2 2026, filed 14 Aug 2026.