Jeff Yass’s First Interstate BancSystem FIBK Stock Holding History

Jeff Yass’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	$2.02M	Buy	+52,500	New	+$1.86M	﹤0.01%	6461
2025 Q4	–	Sell	-82,400	Closed	-$2.63M	–	12721
2025 Q3	$2.63M	Buy	82,400 +2,700	+3%	+$84K	﹤0.01%	5231
2025 Q2	$2.3M	Buy	+79,700	New	+$2.15M	﹤0.01%	5506
2023 Q4	–	Sell	-22,000	Closed	-$549K	–	12629
2023 Q3	$549K	Buy	22,000 +2,000	+10%	+$52.2K	﹤0.01%	8015
2023 Q2	$477K	Buy	+20,000	New	+$504K	﹤0.01%	8431
2022 Q2	–	Sell	-19,900	Closed	-$732K	–	13199
2022 Q1	$732K	Buy	19,900 +3,500	+21%	+$138K	﹤0.01%	7967
2021 Q4	$667K	Buy	16,400 +1,200	+8%	+$49.8K	﹤0.01%	8395
2021 Q3	$612K	Buy	+15,200	New	+$644K	﹤0.01%	8868
2015 Q3	–	Sell	-11,500	Closed	-$319K	–	9752
2015 Q2	$319K	Buy	11,500 +2,800	+32%	+$77.6K	﹤0.01%	8428
2015 Q1	$242K	Buy	+8,700	New	+$227K	﹤0.01%	8336

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

Jeff Yass's FIBK Position: Q2 2026 in Review

Jeff Yass reduced its First Interstate BancSystem (FIBK) stake by 79% in Q2 2026, selling an estimated $2.9M and leaving 21,706 shares worth $837K. The position accounts for ﹤0.01% of the portfolio, ranked #8650.

Jeff Yass first reported a position in FIBK in Q4 2013 and has held it in 41 quarters since. The position peaked at $17.2M in Q1 2022. 297 funds tracked by Wall St. Rank hold FIBK as of Q2 2026.

Jeff Yass held 21,706 shares of First Interstate BancSystem worth $837K as of Q2 2026.
Jeff Yass sold 82,008 First Interstate BancSystem shares in Q2 2026, an estimated $2.9M.
First Interstate BancSystem made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #8650 holding.
Jeff Yass first reported a position in First Interstate BancSystem in Q4 2013 and has held it in 41 quarters since.
Jeff Yass's First Interstate BancSystem position peaked at $17.2M in Q1 2022.
297 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.