American Trust’s First Interstate BancSystem FIBK Stock Holding History

American Trust’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	$954K	Hold	28,570	–	–	0.08%	109
2025 Q4	$989K	Hold	28,570	–	–	0.08%	117
2025 Q3	$911K	Hold	28,570	–	–	0.08%	131
2025 Q2	$823K	Buy	+28,570	New	+$770K	0.08%	128

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

American Trust's FIBK Position: Q1 2026 in Review

American Trust held its First Interstate BancSystem (FIBK) position steady in Q1 2026 at 28,570 shares worth $954K. The position accounts for 0.08% of the portfolio, ranked #109.

American Trust first reported a position in FIBK in Q2 2025 and has held it in 4 quarters since. The position peaked at $989K in Q4 2025. 287 funds tracked by Wall St. Rank hold FIBK as of Q1 2026.

American Trust held 28,570 shares of First Interstate BancSystem worth $954K as of Q1 2026.
American Trust left its First Interstate BancSystem share count unchanged in Q1 2026.
First Interstate BancSystem made up 0.08% of American Trust's portfolio in Q1 2026, its #109 holding.
American Trust first reported a position in First Interstate BancSystem in Q2 2025 and has held it in 4 quarters since.
American Trust's First Interstate BancSystem position peaked at $989K in Q4 2025.
287 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q1 2026.

Based on American Trust's 13F filing for Q1 2026, filed 1 May 2026.