Marshall Wace’s First Interstate BancSystem FIBK Stock Holding History

Marshall Wace’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	$706K	Buy	+21,125	New	+$755K	﹤0.01%	2301
2025 Q3	–	Sell	-82,812	Closed	-$2.39M	–	3033
2025 Q2	$2.39M	Buy	82,812 +40,266	+95%	+$1.09M	﹤0.01%	1476
2025 Q1	$1.22M	Buy	42,546 +10,876	+34%	+$337K	﹤0.01%	1696
2024 Q4	$1.03M	Buy	+31,670	New	+$1.03M	﹤0.01%	1723
2023 Q3	–	Sell	-68,300	Closed	-$1.63M	–	2349
2023 Q2	$1.63M	Buy	+68,300	New	+$1.72M	﹤0.01%	1502
2021 Q4	–	Sell	-31,985	Closed	-$1.29M	–	3982
2021 Q3	$1.29M	Buy	+31,985	New	+$1.36M	0.01%	1848
2020 Q3	–	Sell	-10,462	Closed	-$324K	–	1686
2020 Q2	$324K	Sell	10,462 -110,550	-91%	-$3.38M	﹤0.01%	1306
2020 Q1	$3.49M	Buy	+121,012	New	+$4.34M	0.03%	473
2019 Q2	–	Sell	-25,466	Closed	-$1.01M	–	1498
2019 Q1	$1.01M	Buy	+25,466	New	+$1.02M	0.01%	921
2018 Q2	–	Sell	-15,000	Closed	-$593K	–	738
2018 Q1	$593K	Buy	+15,000	New	+$613K	0.02%	330

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 $1.92B AUM 19.65% 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

Marshall Wace's FIBK Position: Q1 2026 in Review

Marshall Wace opened a new position in First Interstate BancSystem (FIBK) in Q1 2026: 21,125 shares worth $706K. The stake represents ﹤0.01% of the portfolio and ranks #2301 among its holdings. This is a return to the name: Marshall Wace previously reported a position in FIBK as recently as Q2 2025.

Marshall Wace first reported a position in FIBK in Q1 2018 and has held it in 10 quarters since. The position peaked at $3.49M in Q1 2020. 287 funds tracked by Wall St. Rank hold FIBK as of Q1 2026.

Marshall Wace held 21,125 shares of First Interstate BancSystem worth $706K as of Q1 2026.
First Interstate BancSystem was a new Marshall Wace position in Q1 2026.
First Interstate BancSystem made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2301 holding.
Marshall Wace first reported a position in First Interstate BancSystem in Q1 2018 and has held it in 10 quarters since.
Marshall Wace's First Interstate BancSystem position peaked at $3.49M in Q1 2020.
287 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.