Latest Period
Q1 2026
Security Snapshot
COLUMBIA BANKING SYSTEM, INC. - Common Stock (COLB) Institutional Ownership
CUSIP: 197236102
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
520
Shares (Excl. Options)
276,697,381
Price
$27.43
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- Security type / class
- Equity / Common Stock
- Symbol
- COLB on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 276,697,381
- Total 13F value
- $7,590,888,449
- Portfolio coverage rank
- 0.01%
- Share change
- -12,120,559
- Value change
- -$338,229,281
- Number of holders
- 520
- Shares outstanding
- 295,626,870
- SEC-reported price per share
- $28.71
- Insider filing price
- $28.71
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- COLB - COLUMBIA BANKING SYSTEM, INC. - Common Stock is tracked under CUSIP 197236102.
- 520 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 501 to 520 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $8,078,985,158 to $7,590,888,449.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 520 institutions filings for Q1 2026.
Security key
197236102
Latest holder period
Q1 2026
13F holders
520
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
COLB full holder history
COLUMBIA BANKING SYSTEM, INC. SEC filings
COLUMBIA BANKING SYSTEM, INC. company facts
COLUMBIA BANKING SYSTEM, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 197236102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
COLB
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 6.1% | $525,985,923 | 18,106,228 | Wellington Management Group LLP | 31 Dec 2025 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $424,913,961 | 15,490,848 | Vanguard Capital Management | 31 Mar 2026 | |||
| STATE STREET CORP | 4.8% | -8% | $227,399,199 | -$18,716,105 | 10,053,015 | -7.6% | STATE STREET CORPORATION | 31 Mar 2025 |
As of 31 Mar 2026, 520 institutional investors reported holding 276,697,381 shares of COLUMBIA BANKING SYSTEM, INC. - Common Stock (COLB). This represents 94% of the company’s total 295,626,870 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
70%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.2% | 27,065,001 | +1.3% | 0.01% | $742,392,971 |
| T. Rowe Price Investment Management, Inc. | 5.4% | 15,915,525 | +0.53% | 0.3% | $436,563,000 |
| WELLINGTON MANAGEMENT GROUP LLP | 5.1% | 14,944,275 | -17% | 0.08% | $409,921,463 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.9% | 14,339,716 | 0% | 0.02% | $393,338,410 |
| DIMENSIONAL FUND ADVISORS LP | 4.6% | 13,549,603 | +3.1% | 0.08% | $371,656,170 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 13,224,625 | 0% | 0.01% | $362,751,464 |
| STATE STREET CORP | 4.2% | 12,476,160 | -2.6% | 0.01% | $342,221,069 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.5% | 10,439,791 | -17% | 0.04% | $286,363,467 |
| AMERICAN CENTURY COMPANIES INC | 3.3% | 9,736,069 | +3.1% | 0.14% | $267,060,399 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 3% | 8,973,420 | +3.5% | 0.03% | $246,142,000 |
| Bank of New York Mellon Corp | 2.5% | 7,411,763 | -0.14% | 0.04% | $203,304,673 |
| FRANKLIN RESOURCES INC | 2.1% | 6,187,147 | +4.5% | 0.04% | $169,713,442 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 2% | 6,024,374 | -6.1% | 0.06% | $166,819,189 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 5,864,882 | +2.9% | 0.01% | $160,910,356 |
| HoldCo Asset Management, LP | 1.9% | 5,722,786 | 0% | 12% | $156,976,020 |
| MORGAN STANLEY | 1.7% | 4,902,181 | -17% | 0.01% | $134,466,931 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.4% | 4,147,429 | -3.7% | 0.82% | $113,763,985 |
| Invesco Ltd. | 1.4% | 4,097,020 | -1.8% | 0.02% | $112,381,261 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.3% | 3,901,345 | -0.19% | 0.18% | $107,015,000 |
| UBS Group AG | 1.2% | 3,525,562 | -17% | 0.02% | $96,706,166 |
| Channing Capital Management, LLC | 1.1% | 3,225,347 | -3.2% | 2.3% | $88,471,268 |
| CITADEL ADVISORS LLC | 1.1% | 3,173,756 | +20% | 0.06% | $87,056,127 |
| NORTHERN TRUST CORP | 0.88% | 2,615,067 | +2.8% | 0.01% | $71,731,288 |
| Epoch Investment Partners, Inc. | 0.86% | 2,531,279 | -1.6% | 0.42% | $69,432,983 |
| Fisher Asset Management, LLC | 0.79% | 2,321,964 | -7.7% | 0.02% | $63,691,471 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 276,697,381 | $7,590,888,449 | -$338,229,281 | $27.43 | 520 |
| 2025 Q4 | 289,031,812 | $8,078,985,158 | -$3,367,778 | $27.95 | 501 |
| 2025 Q3 | 286,032,509 | $7,362,493,333 | +$1,996,442,222 | $25.74 | 467 |
| 2025 Q2 | 208,878,451 | $4,883,785,929 | +$222,689,255 | $23.38 | 408 |
| 2025 Q1 | 194,892,748 | $4,858,887,105 | +$43,325,676 | $24.94 | 394 |
| 2024 Q4 | 193,334,418 | $5,222,660,591 | -$22,992,982 | $27.01 | 397 |
| 2024 Q3 | 193,938,109 | $5,073,192,435 | +$99,513,974 | $26.11 | 371 |
| 2024 Q2 | 191,207,378 | $3,803,697,727 | +$53,545,720 | $19.89 | 355 |
| 2024 Q1 | 188,889,375 | $3,655,093,264 | +$11,969,283 | $19.35 | 352 |
| 2023 Q4 | 185,190,074 | $4,940,842,150 | +$9,448,259 | $26.68 | 366 |
| 2023 Q3 | 185,332,356 | $3,762,247,512 | -$90,640,714 | $20.30 | 331 |
| 2023 Q2 | 189,609,009 | $3,846,492,397 | +$36,054,827 | $20.28 | 351 |
| 2023 Q1 | 187,463,723 | $4,015,251,801 | +$2,172,503,576 | $21.42 | 372 |
| 2022 Q4 | 84,473,936 | $2,544,633,255 | -$1,357,043 | $30.13 | 253 |
| 2022 Q3 | 84,445,939 | $2,440,326,131 | -$79,213,854 | $28.89 | 240 |
| 2022 Q2 | 83,441,801 | $2,390,833,110 | +$117,195,944 | $28.65 | 244 |
| 2022 Q1 | 79,461,621 | $2,563,820,814 | +$167,913,384 | $32.27 | 252 |
| 2021 Q4 | 74,186,371 | $2,428,354,852 | +$234,998,214 | $32.72 | 243 |
| 2021 Q3 | 66,788,228 | $2,535,162,764 | +$48,448,544 | $37.99 | 210 |
| 2021 Q2 | 65,430,857 | $2,522,807,224 | -$27,482,242 | $38.56 | 216 |
| 2021 Q1 | 66,069,042 | $2,846,919,241 | -$3,111,830 | $43.09 | 214 |
| 2020 Q4 | 66,419,479 | $2,385,264,713 | +$43,337,669 | $35.90 | 197 |
| 2020 Q3 | 65,437,767 | $1,561,555,352 | -$28,519,050 | $23.85 | 182 |
| 2020 Q2 | 66,413,371 | $1,886,516,031 | +$6,158,731 | $28.34 | 176 |
| 2020 Q1 | 66,333,694 | $1,776,253,779 | -$19,109,496 | $26.80 | 193 |