Harbor Capital Advisors’s First Interstate BancSystem FIBK Stock Holding History

Harbor Capital Advisors’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 Q3	$7.41M	Buy	207,303 +8,184	+4%	+$310K	0.5%	27
2026 Q2	$7.68M	Sell	199,119 -1,074	-0.5%	-$38K	0.52%	26
2026 Q1	$6.69M	Buy	200,193 +89,886	+81%	+$3.21M	0.54%	28
2025 Q4	$3.82M	Sell	110,307 -10,430	-9%	-$341K	0.3%	65
2025 Q3	$3.85M	Sell	120,737 -298,367	-71%	-$9.28M	0.3%	67
2025 Q2	$12.1M	Buy	419,104 +66,018	+19%	+$1.78M	0.51%	38
2025 Q1	$10.1M	Buy	353,086 +211,584	+150%	+$6.56M	0.46%	45
2024 Q4	$4.6M	Buy	141,502 +141,128	+37,735%	+$4.59M	0.2%	151
2024 Q3	$11K	Buy	+374	New	+$11.2K	﹤0.01%	932

Other funds holding FIBK

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

First Interstate Bank Billings, Montana $1.88B AUM 11.41% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Leeward Investments Boston, Massachusetts $1.98B AUM 28.98% 1-Year Est. Return

St. Denis J. Villere & Co New Orleans, Louisiana $775M AUM 13.27% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Creative Planning Overland Park, Kansas $179B AUM 16.96% 1-Year Est. Return

Fisher Asset Management Camas, Washington $348B AUM 26.9% 1-Year Est. Return

Granite Investment Partners El Segundo, California $1.84B AUM 35.93% 1-Year Est. Return

Harbor Capital Advisors's FIBK Position: Q3 2026 in Review

Harbor Capital Advisors increased its First Interstate BancSystem (FIBK) stake by 4.1% in Q3 2026, buying an estimated $310K and bringing the position to 207,303 shares worth $7.41M. The position accounts for 0.5% of the portfolio, ranked #27.

Harbor Capital Advisors first reported a position in FIBK in Q3 2024 and has held it in 9 quarters since. The position peaked at $12.1M in Q2 2025. 141 funds tracked by Wall St. Rank hold FIBK as of Q3 2026.

Harbor Capital Advisors held 207,303 shares of First Interstate BancSystem worth $7.41M as of Q3 2026.
Harbor Capital Advisors bought 8,184 First Interstate BancSystem shares in Q3 2026, an estimated $310K.
First Interstate BancSystem made up 0.5% of Harbor Capital Advisors's portfolio in Q3 2026, its #27 holding.
Harbor Capital Advisors first reported a position in First Interstate BancSystem in Q3 2024 and has held it in 9 quarters since.
Harbor Capital Advisors's First Interstate BancSystem position peaked at $12.1M in Q2 2025.
141 funds tracked by Wall St. Rank held First Interstate BancSystem as of Q3 2026.

Based on Harbor Capital Advisors's 13F filing for Q3 2026, filed 22 Oct 2026.