GREAT LAKES ADVISORS, LLC

CIK

1078013

City

CHICAGO

State / Country

IL

Stock

FIBK — First Interstate Bancsystem Inc

Top Portfolio Positions

680 positions · $10,721,194,756 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio	Open
GOOGL	Alphabet Inc. Communication Services	1,205,084	$346,533,951	3.23%
JPM	Jpmorgan Chase & Co Financial Services	1,134,824	$333,819,826	3.11%
XOM	Exxon Mobil Corp Energy	1,509,251	$256,059,523	2.39%
AMZN	Amazon Com Inc Consumer Cyclical	1,217,841	$253,639,742	2.37%
RTX	RTX Corp Industrials	998,611	$192,632,061	1.80%
MRK	Merck & Co., Inc. Healthcare	1,569,387	$188,781,557	1.76%
LIN	Linde PLC Basic Materials	366,342	$181,617,707	1.69%
MSFT	Microsoft Corp Technology	488,328	$180,764,372	1.69%
PH	Parker-Hannifin Corp Industrials	200,190	$179,218,093	1.67%
NVDA	Nvidia Corp Technology	1,005,625	$175,380,998	1.64%

Portfolio Trend

25 quarters · across all stocks

Holdings in FIBK

Compact Export CSV

Shares Held

Position Value (USD)

14 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,349,911	160,177	+11.3%	Shares	Sole	2026-05-12
2025-12-31	$4,978,178	143,878	0.0%	Shares	Other	2026-02-12
2025-09-30	$4,585,391	143,878	-6.7%	Shares	Other	2025-11-03
2025-06-30	$4,444,504	154,216	-1.1%	Shares	Sole	2025-08-11
2025-03-31	$4,467,393	155,930	-10.8%	Shares	Sole	2025-05-16
2024-12-31	$5,676,631	174,827	+114.0%	Shares	Sole	2025-02-10
2024-09-30	$2,506,524	81,699	-64.1%	Shares	Sole	2024-11-04
2023-03-31	$6,793,568	227,514	-2.8%	Shares	Sole	2023-05-10
2022-12-31	$9,045,414	234,034	-1.7%	Shares	Sole	2023-02-09
2022-09-30	$9,609,312	238,149	+3648.6%	Shares	Sole	2022-11-09
2020-12-31	$259,011	6,353	-11.7%	Shares	Sole	2021-02-09
2020-09-30	$229,256	7,198	-7.3%	Shares	Sole	2020-11-04
2020-06-30	$240,435	7,766	-92.2%	Shares	Sole	2020-08-07
2020-03-31	$2,871,310	99,560	—	Shares	Sole	2020-05-08
No 13F history on record for this holder in this stock.