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 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 $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

FIB

First Interstate Bank Billings, Montana $1.78B AUM 13.62% 1-Year Est. Return

HAM

HoldCo Asset Management Fort Lauderdale, Florida $1.34B AUM 28.06% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Brown Advisory's FIBK Position: Q1 2026 in Review

Brown Advisory reduced its First Interstate BancSystem (FIBK) stake by 99% in Q1 2026, selling an estimated $25.4M and leaving 8,744 shares worth $292K. The position accounts for ﹤0.01% of the portfolio, ranked #1221.

Brown Advisory first reported a position in FIBK in Q3 2024 and has held it in 7 quarters since. The position peaked at $32.7M in Q4 2024. 287 funds tracked by Wall St. Rank hold FIBK as of Q1 2026.

Brown Advisory held 8,744 shares of First Interstate BancSystem worth $292K as of Q1 2026.
Brown Advisory sold 710,923 First Interstate BancSystem shares in Q1 2026, an estimated $25.4M.
First Interstate BancSystem made up ﹤0.01% of Brown Advisory's portfolio in Q1 2026, its #1221 holding.
Brown Advisory first reported a position in First Interstate BancSystem in Q3 2024 and has held it in 7 quarters since.
Brown Advisory's First Interstate BancSystem position peaked at $32.7M in Q4 2024.
287 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q1 2026.

Based on Brown Advisory's 13F filing for Q1 2026, filed 15 May 2026.