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 Q2	$1.1M	Hold	28,570	–	–	0.08%	109
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 $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

American Trust's FIBK Position: Q2 2026 in Review

American Trust held its First Interstate BancSystem (FIBK) position steady in Q2 2026 at 28,570 shares worth $1.1M. 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 5 quarters since. 299 funds tracked by Wall St. Rank hold FIBK as of Q2 2026.

American Trust held 28,570 shares of First Interstate BancSystem worth $1.1M as of Q2 2026.
American Trust left its First Interstate BancSystem share count unchanged in Q2 2026.
First Interstate BancSystem made up 0.08% of American Trust's portfolio in Q2 2026, its #109 holding.
American Trust first reported a position in First Interstate BancSystem in Q2 2025 and has held it in 5 quarters since.
299 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q2 2026.

Based on American Trust's 13F filing for Q2 2026, filed 14 Aug 2026.