WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in COLB — Columbia Banking System, Inc.
CIK 1644956
CHICAGO, IL
Position in COLB
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$401,554
+$57,884 QoQ
Shares Held
12,529
0.0% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#321
of 550 holders
Holding Since
Sep 2020
20 quarters on record
Voting authority
Sole 47%
Shared 0%
None 53%
Common Shares in COLB Over Time
Shares Held
Position Value (USD)
Position in Banks - Regional
Financial Services · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $1,500,452,808 across 30 Banks - Regional names. COLB ranks #28 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BAP |
Credicorp Ltd
|
625,144 | $243,543,599 | |
| 2 | ITUB |
Itau Unibanco Holding S.A.
|
28,283,482 | $231,076,047 | |
| 3 | FHN |
First Horizon Corp
|
4,808,223 | $123,282,837 | |
| 4 | NBHC |
National Bank Holdings Corp
|
2,497,817 | $110,978,009 | |
| 5 | NU |
Nu Holdings Ltd.
|
7,596,051 | $101,483,241 | |
| 6 | ONB |
Old National Bancorp /In/
|
3,833,314 | $99,282,832 | |
| 7 | CFR |
Cullen/Frost Bankers, Inc.
|
578,725 | $89,424,587 | |
| 8 | AUB |
Atlantic Union Bankshares Corp
|
1,265,239 | $53,532,262 |
All Filings in COLB
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $401,554 | 12,529 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $343,670 | 12,529 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $341,884 | 12,232 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $25,833,590 | 1,003,636 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $26,160,443 | 1,118,924 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $30,168,521 | 1,209,644 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $47,927,705 | 1,774,443 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $45,220,326 | 1,731,916 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $35,540,347 | 1,786,845 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $34,686,248 | 1,792,571 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $42,083,724 | 1,577,351 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $30,554,342 | 1,505,140 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $27,542,856 | 1,358,129 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $21,092,102 | 984,692 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $22,653,511 | 751,859 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $17,323,859 | 599,649 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $16,226,672 | 566,376 | Shares | Sole | 2022-08-10 | |
| 2021-03-31 | $19,181,298 | 445,145 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $12,012,391 | 334,607 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $6,253,016 | 262,181 | Shares | Sole | 2020-11-06 | |
| No filing history on record for this holder in this stock. | ||||||