Columbia Banking System, Inc.
US ˙ NasdaqGS ˙ US1972361026

SecurityCOLB / Columbia Banking System, Inc.
InstitutionInvesco Ltd.
Latest Disclosed Ownership4,097,020 shares
Latest Disclosed Value $ 112,381,261
Invesco Ltd. reports 1.76% decrease in ownership of COLB / Columbia Banking System, Inc.

On May 12, 2026 - Invesco Ltd. filed a 13F-HR form disclosing ownership of 4,097,020 shares of Columbia Banking System, Inc. (US:COLB) valued at $112,381,259 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 19, 2026 disclosing 4,170,284 shares of Columbia Banking System, Inc.. This represents a change in shares of -1.76% during the quarter. The current value of the position is $117,133,802 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F COLUMBIA BKG SYS COM 197236102 4,097,020 -73,264 -1.76 112,381 -3.58 0.0172
2026-02-19 2025-12-31 13F COLUMBIA BKG SYS COM 197236102 4,170,284 330,573 8.61 116,559 17.93 0.0179
2025-11-13 2025-09-30 13F COLUMBIA BKG SYS COM 197236102 3,839,711 864,011 29.04 98,834 42.06 0.0156
2025-08-13 2025-06-30 13F COLUMBIA BKG SYS COM 197236102 2,975,700 397,403 15.41 69,572 8.19 0.0118
2025-05-12 2025-03-31 13F COLUMBIA BKG SYS COM 197236102 2,578,297 121,333 4.94 64,303 -3.10 0.0122
2025-02-13 2024-12-31 13F COLUMBIA BKG SYS COM 197236102 2,456,964 209,774 9.33 66,363 13.10 0.0123
2024-11-12 2024-09-30 13F COLUMBIA BKG SYS COM 197236102 2,247,190 -487,737 -17.83 58,674 7.86 0.0113
2024-08-13 2024-06-30 13F COLUMBIA BKG SYS COM 197236102 2,734,927 -462,490 -14.46 54,398 -12.08 0.0115
2024-05-14 2024-03-31 13F COLUMBIA BKG SYS COM 197236102 3,197,417 594,437 22.84 61,870 -10.91 0.0133
2024-02-13 2023-12-31 13F COLUMBIA BKG SYS COM 197236102 2,602,980 -993,944 -27.63 69,448 -4.89 0.0165
2023-11-13 2023-09-30 13F COLUMBIA BKG SYS COM 197236102 3,596,924 -1,587,540 -30.62 73,018 -30.55 0.0197
2023-08-11 2023-06-30 13F COLUMBIA BKG SYS COM 197236102 5,184,464 212,005 4.26 105,141 -1.29 0.0276
2023-05-12 2023-03-31 13F COLUMBIA BKG SYS COM 197236102 4,972,459 3,456,313 227.97 106,510 133.16 0.0297
2023-02-13 2022-12-31 13F COLUMBIA BKG SYS COM 197236102 1,516,146 563,437 59.14 45,681 65.97 0.0134
2022-11-14 2022-09-30 13F COLUMBIA BKG SYS COM 197236102 952,709 302,291 46.48 27,524 47.72 0.0089
2022-08-15 2022-06-30 13F COLUMBIA BKG SYS COM 197236102 650,418 -459,688 -41.41 18,633 -47.98 0.0056
2022-05-16 2022-03-31 13F COLUMBIA BKG SYS COM 197236102 1,110,106 457,912 70.21 35,822 67.87 0.0091
2022-02-14 2021-12-31 13F COLUMBIA BKG SYS COM 197236102 652,194 -33,721 -4.92 21,339 -18.11 0.0051
2021-11-15 2021-09-30 13F COLUMBIA BKG SYS COM 197236102 685,915 21,906 3.30 26,059 1.78 0.0066
2021-08-17 2021-06-30 13F COLUMBIA BKG SYS COM 197236102 664,009 54,572 8.95 25,604 -2.51 0.0063
2021-05-17 2021-03-31 13F COLUMBIA BKG SYS COM 197236102 609,437 25,700 4.40 26,262 25.31 0.0070
2021-02-16 2020-12-31 13F COLUMBIA BKG SYS COM 197236102 583,737 17,956 3.17 20,957 55.31 0.0061
2020-11-16 2020-09-30 13F COLUMBIA BKG SYS COM 197236102 565,781 -409,850 -42.01 13,494 -51.20 0.0046
2020-08-14 2020-06-30 13F COLUMBIA BKG SYS COM 197236102 975,631 -55,863 -5.42 27,654 0.04 0.0099
2020-05-15 2020-03-31 13F COLUMBIA BKG SYS COM 197236102 1,031,494 -79,738 -7.18 27,644 -38.86 0.0116
2020-02-14 2019-12-31 13F COLUMBIA BKG SYS COM 197236102 1,111,232 -47,528 -4.10 45,211 5.74 0.0140
2019-11-14 2019-09-30 13F COLUMBIA BKG SYS COM 197236102 1,158,760 46,195 4.15 42,758 6.22 0.0112
2019-08-14 2019-06-30 13F/A-1 COLUMBIA BKG SYS COM 197236102 1,112,565 -8,705 -0.78 40,253 9.82 0.0104
2019-08-14 2019-06-30 13F COLUMBIA BKG SYS COM 197236102 1,112,565 -765,533 40,253
2019-05-15 2019-03-31 13F COLUMBIA BKG SYS COM 197236102 1,121,270 144,757 14.82 36,655 3.44 0.0124
2019-02-14 2018-12-31 13F COLUMBIA BKG SYS COM 197236102 976,513 -13,059 -1.32 35,437 -7.63 0.0136
2018-11-14 2018-09-30 13F COLUMBIA BKG SYS COM 197236102 989,572 522,585 111.91 38,365 100.86 0.0121
2018-08-14 2018-06-30 13F COLUMBIA BKG SYS COM 197236102 466,987 26,626 6.05 19,100 3.39 0.0063
2018-05-15 2018-03-31 13F COLUMBIA BKG SYS COM 197236102 440,361 32,236 7.90 18,473 4.20 0.0069
2018-02-14 2017-12-31 13F COLUMBIA BKG SYS COM 197236102 408,125 5,002 1.24 17,729 4.44 0.0064
2017-11-14 2017-09-30 13F COLUMBIA BKG SYS COM 197236102 403,123 186,158 85.80 16,975 96.33 0.0063
2017-08-14 2017-06-30 13F COLUMBIA BKG SYS COM 197236102 216,965 -467 -0.21 8,646 1.98 0.0027
2017-05-15 2017-03-31 13F COLUMBIA BKG SYS COM 197236102 217,432 -168,178 -43.61 8,478 -50.79 0.0028
2017-02-14 2016-12-31 13F COLUMBIA BKG SYS COM 197236102 385,610 180,639 88.13 17,229 156.88 0.0058
2016-11-14 2016-09-30 13F COLUMBIA BKG SYS COM 197236102 204,971 -95,883 -31.87 6,707 -20.55 0.0023
2016-08-15 2016-06-30 13F COLUMBIA BKG SYS COM 197236102 300,854 30,948 11.47 8,442 4.53 0.0031
2016-05-16 2016-03-31 13F COLUMBIA BKG SYS COM 197236102 269,906 88,917 49.13 8,076 37.25 0.0033
2016-02-16 2015-12-31 13F COLUMBIA BKG SYS COM 197236102 180,989 11,140 6.56 5,884 11.00 0.0023
2015-11-16 2015-09-30 13F COLUMBIA BKG SYS COM 197236102 169,849 38,826 29.63 5,301 24.35 0.0022
2015-08-14 2015-06-30 13F COLUMBIA BANKING SYSTEM COMMON 197236102 131,023 20,593 18.65 4,263 33.26 0.0017
2015-05-15 2015-03-31 13F COLUMBIA BANKING SYSTEM COMMON 197236102 110,430 -9,595 -7.99 3,199 -3.47 0.0012
2015-02-13 2014-12-31 13F COLUMBIA BANKING SYSTEM COMMON 197236102 120,025 -1,865 -1.53 3,314 9.59 0.0013
2014-11-14 2014-09-30 13F COLUMBIA BANKING SYSTEM COMMON 197236102 121,890 -8,639 -6.62 3,024 -11.94 0.0012
2014-08-14 2014-06-30 13F COLUMBIA BANKING SYSTEM COMMON 197236102 130,529 4,402 3.49 3,434 -4.53 0.0014
2014-05-15 2014-03-31 13F COLUMBIA BANKING SYSTEM COMMON 197236102 126,127 9,702 8.33 3,597 12.41 0.0015
2014-02-13 2013-12-31 13F COLUMBIA BANKING SYSTEM COMMON 197236102 116,425 11,773 11.25 3,200 23.79 0.0013
2013-11-13 2013-09-30 13F COLUMBIA BANKING SYSTEM COMMON 197236102 104,652 14,888 16.59 2,585 20.96 0.0011
2013-08-14 2013-06-30 13F COLUMBIA BANKING SYSTEM COMMON 197236102 89,764 89,764 2,137 0.0010
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.