FIRST INTST BANCSYSTEM INC

Ticker: FIBK CUSIP: 32055Y201 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 143,878 Value ($000) $4,978 Avg Close $32.13 Range $28.33 - $35.91

Q3 2025

Shares 143,878 Value ($000) $4,585 Avg Close $30.08 Range $26.44 - $33.09

Q2 2025

Shares 154,216 Value ($000) $4,445 Avg Close $25.62 Range $21.60 - $28.14

Q1 2025

Shares 155,930 Value ($000) $4,467 Avg Close $28.99 Range $25.84 - $31.59

Q4 2024

Shares 174,827 Value ($000) $5,677 Avg Close $30.02 Range $26.60 - $34.12

Q3 2024

Shares 81,699 Value ($000) $2,507 Avg Close $27.10 Range $24.27 - $29.66

Q1 2023

Shares 227,514 Value ($000) $6,794 Avg Close $28.73 Range $23.43 - $32.20

Q4 2022

Shares 234,034 Value ($000) $9,045 Avg Close $34.12 Range $30.24 - $37.52

Q3 2022

Shares 238,149 Value ($000) $9,609 Avg Close $32.17 Range $29.33 - $35.35

Q4 2020

Shares 6,353 Value ($000) $259 Avg Close $28.24 Range $23.24 - $30.91

Q3 2020

Shares 7,198 Value ($000) $229 Avg Close $22.79 Range $19.82 - $25.19

Q2 2020

Shares 7,766 Value ($000) $240 Avg Close $22.21 Range $18.56 - $26.25

Q1 2020

Shares 99,560 Value ($000) $2,871 Avg Close $25.51 Range $17.70 - $29.72

Q4 2019

Shares 97,474 Value ($000) $4,086 Avg Close $29.42 Range $26.97 - $30.65

Q3 2019

Shares 92,318 Value ($000) $3,715 Avg Close $27.39 Range $25.57 - $28.80

Q2 2019

Shares 81,480 Value ($000) $3,227 Avg Close $27.59 Range $25.51 - $29.43

Q1 2019

Shares 79,978 Value ($000) $3,185 Avg Close $27.43 Range $24.54 - $29.25

Q4 2018

Shares 89,431 Value ($000) $3,270 Avg Close $28.30 Range $23.64 - $31.56

Q1 2018

Shares 63,511 Value ($000) $2,512 Avg Close $27.27 Range $25.33 - $28.53

Q4 2017

Shares 44,746 Value ($000) $1,792 Avg Close $25.78 Range $23.94 - $27.43

Q3 2017

Shares 38,852 Value ($000) $1,486 Avg Close $23.89 Range $22.02 - $25.34

Q2 2017

Shares 36,030 Value ($000) $1,340 Avg Close $24.61 Range $22.12 - $26.78

Q1 2017

Shares 29,418 Value ($000) $1,166 Avg Close $27.13 Range $24.24 - $29.59

Q4 2016

Shares 24,168 Value ($000) $1,028 Avg Close $23.52 Range $19.91 - $27.96

Q3 2016

Shares 24,360 Value ($000) $768 Avg Close $19.18 Range $17.19 - $20.98

Q2 2016

Shares 30,314 Value ($000) $852 Avg Close $17.84 Range $16.91 - $18.79

Q1 2016

Shares 30,053 Value ($000) $845 Avg Close $17.15 Range $15.67 - $18.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	143,878	$4,978	$32.13	$28.33 - $35.91
Q3 2025	143,878	$4,585	$30.08	$26.44 - $33.09
Q2 2025	154,216	$4,445	$25.62	$21.60 - $28.14
Q1 2025	155,930	$4,467	$28.99	$25.84 - $31.59
Q4 2024	174,827	$5,677	$30.02	$26.60 - $34.12
Q3 2024	81,699	$2,507	$27.10	$24.27 - $29.66
Q1 2023	227,514	$6,794	$28.73	$23.43 - $32.20
Q4 2022	234,034	$9,045	$34.12	$30.24 - $37.52
Q3 2022	238,149	$9,609	$32.17	$29.33 - $35.35
Q4 2020	6,353	$259	$28.24	$23.24 - $30.91
Q3 2020	7,198	$229	$22.79	$19.82 - $25.19
Q2 2020	7,766	$240	$22.21	$18.56 - $26.25
Q1 2020	99,560	$2,871	$25.51	$17.70 - $29.72
Q4 2019	97,474	$4,086	$29.42	$26.97 - $30.65
Q3 2019	92,318	$3,715	$27.39	$25.57 - $28.80
Q2 2019	81,480	$3,227	$27.59	$25.51 - $29.43
Q1 2019	79,978	$3,185	$27.43	$24.54 - $29.25
Q4 2018	89,431	$3,270	$28.30	$23.64 - $31.56
Q1 2018	63,511	$2,512	$27.27	$25.33 - $28.53
Q4 2017	44,746	$1,792	$25.78	$23.94 - $27.43
Q3 2017	38,852	$1,486	$23.89	$22.02 - $25.34
Q2 2017	36,030	$1,340	$24.61	$22.12 - $26.78
Q1 2017	29,418	$1,166	$27.13	$24.24 - $29.59
Q4 2016	24,168	$1,028	$23.52	$19.91 - $27.96
Q3 2016	24,360	$768	$19.18	$17.19 - $20.98
Q2 2016	30,314	$852	$17.84	$16.91 - $18.79
Q1 2016	30,053	$845	$17.15	$15.67 - $18.33