COLUMBIA BKG SYS INC

Ticker: COLB CUSIP: 197236102 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 375,634 Value ($000) $10,499 Avg Close $26.85 Range $23.52 - $29.61

Q3 2025

Shares 436,552 Value ($000) $11,237 Avg Close $24.85 Range $22.17 - $27.12

Q2 2025

Shares 374,907 Value ($000) $8,765 Avg Close $22.35 Range $18.81 - $24.78

Q1 2025

Shares 287,043 Value ($000) $7,159 Avg Close $25.32 Range $22.65 - $27.61

Q4 2024

Shares 294,655 Value ($000) $7,959 Avg Close $26.94 Range $23.43 - $30.73

Q3 2024

Shares 307,081 Value ($000) $8,018 Avg Close $22.09 Range $17.58 - $24.95

Q2 2024

Shares 395,150 Value ($000) $7,860 Avg Close $17.32 Range $15.45 - $18.88

Q1 2024

Shares 481,544 Value ($000) $9,318 Avg Close $18.38 Range $15.54 - $24.11

Q4 2023

Shares 497,107 Value ($000) $13,263 Avg Close $19.53 Range $15.67 - $24.93

Q3 2023

Shares 492,208 Value ($000) $9,992 Avg Close $18.00 Range $15.99 - $20.33

Q2 2023

Shares 491,429 Value ($000) $9,966 Avg Close $17.89 Range $14.76 - $20.57

Q1 2023

Shares 412,519 Value ($000) $8,836 Avg Close $23.29 Range $16.49 - $27.97

Q4 2022

Shares 171,371 Value ($000) $5,163 Avg Close $26.45 Range $23.68 - $29.63

Q3 2022

Shares 111,436 Value ($000) $3,219 Avg Close $24.81 Range $22.71 - $27.11

Q2 2022

Shares 117,118 Value ($000) $3,355 Avg Close $24.00 Range $22.05 - $26.58

Q1 2022

Shares 117,046 Value ($000) $3,777 Avg Close $28.29 Range $25.94 - $30.41

Q4 2021

Shares 119,716 Value ($000) $3,917 Avg Close $27.76 Range $24.13 - $32.46

Q3 2021

Shares 115,729 Value ($000) $4,397 Avg Close $28.29 Range $25.95 - $31.70

Q2 2021

Shares 123,146 Value ($000) $4,749 Avg Close $33.46 Range $30.04 - $35.35

Q1 2021

Shares 117,025 Value ($000) $5,043 Avg Close $34.13 Range $27.00 - $39.77

Q4 2020

Shares 118,292 Value ($000) $4,247 Avg Close $24.08 Range $18.04 - $28.07

Q3 2020

Shares 118,787 Value ($000) $2,833 Avg Close $21.23 Range $17.46 - $24.83

Q2 2020

Shares 119,184 Value ($000) $3,378 Avg Close $19.36 Range $14.61 - $23.93

Q1 2020

Shares 116,566 Value ($000) $3,124 Avg Close $26.37 Range $16.50 - $30.72

Q4 2019

Shares 122,166 Value ($000) $4,970 Avg Close $28.93 Range $25.93 - $30.83

Q3 2019

Shares 121,866 Value ($000) $4,497 Avg Close $26.32 Range $24.40 - $28.14

Q2 2019

Shares 136,646 Value ($000) $4,944 Avg Close $25.85 Range $23.83 - $27.76

Q1 2019

Shares 106,746 Value ($000) $3,490 Avg Close $26.24 Range $22.24 - $28.02

Q4 2018

Shares 105,066 Value ($000) $3,813 Avg Close $26.74 Range $22.25 - $29.45

Q3 2018

Shares 105,066 Value ($000) $4,073 Avg Close $29.39 Range $27.14 - $30.95

Q2 2018

Shares 105,066 Value ($000) $4,297 Avg Close $30.05 Range $27.72 - $31.69

Q1 2018

Shares 104,855 Value ($000) $4,399 Avg Close $30.33 Range $27.89 - $32.56

Q4 2017

Shares 104,855 Value ($000) $4,555 Avg Close $30.37 Range $28.50 - $33.50

Q3 2017

Shares 89,145 Value ($000) $3,754 Avg Close $26.76 Range $24.74 - $29.77

Q2 2017

Shares 89,145 Value ($000) $3,552 Avg Close $26.82 Range $24.90 - $28.62

Q1 2017

Shares 95,245 Value ($000) $3,714 Avg Close $27.57 Range $24.96 - $31.16

Q4 2016

Shares 95,264 Value ($000) $4,256 Avg Close $25.64 Range $21.40 - $30.88

Q3 2016

Shares 97,264 Value ($000) $3,182 Avg Close $20.96 Range $17.45 - $22.43

Q2 2016

Shares 97,245 Value ($000) $2,729 Avg Close $19.43 Range $17.42 - $20.90

Q1 2016

Shares 97,245 Value ($000) $2,910 Avg Close $19.19 Range $17.45 - $20.84

Q4 2015

Shares 97,245 Value ($000) $3,161 Avg Close $21.56 Range $18.94 - $23.51

Q3 2015

Shares 97,353 Value ($000) $3,038 Avg Close $20.19 Range $18.36 - $21.62

Q2 2015

Shares 97,365 Value ($000) $3,168 Avg Close $19.28 Range $17.74 - $21.20

Q1 2015

Shares 82,865 Value ($000) $2,401 Avg Close $17.14 Range $15.27 - $18.50

Q4 2014

Shares 82,865 Value ($000) $2,288 Avg Close $16.65 Range $14.67 - $17.82

Q3 2014

Shares 82,865 Value ($000) $2,056 Avg Close $15.78 Range $14.87 - $16.51

Q2 2014

Shares 87,125 Value ($000) $2,292 Avg Close $15.72 Range $14.32 - $17.62

Q1 2014

Shares 87,125 Value ($000) $2,485 Avg Close $16.21 Range $14.88 - $18.25

Q4 2013

Shares 89,525 Value ($000) $2,463 Avg Close $15.66 Range $14.02 - $16.97

Q3 2013

Shares 89,625 Value ($000) $2,214 Avg Close $14.59 Range $13.80 - $15.23

Q2 2013

Shares 89,247 Value ($000) $2,125 Avg Close $12.82 Range $11.72 - $14.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	375,634	$10,499	$26.85	$23.52 - $29.61
Q3 2025	436,552	$11,237	$24.85	$22.17 - $27.12
Q2 2025	374,907	$8,765	$22.35	$18.81 - $24.78
Q1 2025	287,043	$7,159	$25.32	$22.65 - $27.61
Q4 2024	294,655	$7,959	$26.94	$23.43 - $30.73
Q3 2024	307,081	$8,018	$22.09	$17.58 - $24.95
Q2 2024	395,150	$7,860	$17.32	$15.45 - $18.88
Q1 2024	481,544	$9,318	$18.38	$15.54 - $24.11
Q4 2023	497,107	$13,263	$19.53	$15.67 - $24.93
Q3 2023	492,208	$9,992	$18.00	$15.99 - $20.33
Q2 2023	491,429	$9,966	$17.89	$14.76 - $20.57
Q1 2023	412,519	$8,836	$23.29	$16.49 - $27.97
Q4 2022	171,371	$5,163	$26.45	$23.68 - $29.63
Q3 2022	111,436	$3,219	$24.81	$22.71 - $27.11
Q2 2022	117,118	$3,355	$24.00	$22.05 - $26.58
Q1 2022	117,046	$3,777	$28.29	$25.94 - $30.41
Q4 2021	119,716	$3,917	$27.76	$24.13 - $32.46
Q3 2021	115,729	$4,397	$28.29	$25.95 - $31.70
Q2 2021	123,146	$4,749	$33.46	$30.04 - $35.35
Q1 2021	117,025	$5,043	$34.13	$27.00 - $39.77
Q4 2020	118,292	$4,247	$24.08	$18.04 - $28.07
Q3 2020	118,787	$2,833	$21.23	$17.46 - $24.83
Q2 2020	119,184	$3,378	$19.36	$14.61 - $23.93
Q1 2020	116,566	$3,124	$26.37	$16.50 - $30.72
Q4 2019	122,166	$4,970	$28.93	$25.93 - $30.83
Q3 2019	121,866	$4,497	$26.32	$24.40 - $28.14
Q2 2019	136,646	$4,944	$25.85	$23.83 - $27.76
Q1 2019	106,746	$3,490	$26.24	$22.24 - $28.02
Q4 2018	105,066	$3,813	$26.74	$22.25 - $29.45
Q3 2018	105,066	$4,073	$29.39	$27.14 - $30.95
Q2 2018	105,066	$4,297	$30.05	$27.72 - $31.69
Q1 2018	104,855	$4,399	$30.33	$27.89 - $32.56
Q4 2017	104,855	$4,555	$30.37	$28.50 - $33.50
Q3 2017	89,145	$3,754	$26.76	$24.74 - $29.77
Q2 2017	89,145	$3,552	$26.82	$24.90 - $28.62
Q1 2017	95,245	$3,714	$27.57	$24.96 - $31.16
Q4 2016	95,264	$4,256	$25.64	$21.40 - $30.88
Q3 2016	97,264	$3,182	$20.96	$17.45 - $22.43
Q2 2016	97,245	$2,729	$19.43	$17.42 - $20.90
Q1 2016	97,245	$2,910	$19.19	$17.45 - $20.84
Q4 2015	97,245	$3,161	$21.56	$18.94 - $23.51
Q3 2015	97,353	$3,038	$20.19	$18.36 - $21.62
Q2 2015	97,365	$3,168	$19.28	$17.74 - $21.20
Q1 2015	82,865	$2,401	$17.14	$15.27 - $18.50
Q4 2014	82,865	$2,288	$16.65	$14.67 - $17.82
Q3 2014	82,865	$2,056	$15.78	$14.87 - $16.51
Q2 2014	87,125	$2,292	$15.72	$14.32 - $17.62
Q1 2014	87,125	$2,485	$16.21	$14.88 - $18.25
Q4 2013	89,525	$2,463	$15.66	$14.02 - $16.97
Q3 2013	89,625	$2,214	$14.59	$13.80 - $15.23
Q2 2013	89,247	$2,125	$12.82	$11.72 - $14.17