v3.26.1
Schedule H, Line 4i – Schedule of Assets (Held At End of Year)
 12 Months Ended
Dec. 31, 2025
EBP 001  
EBP, Schedule of Asset Held for Investment [Line Items]  
Schedule H, Line 4i – Schedule of Assets (Held At End of Year)
COLUMBIA BANK 401(k) AND PROFIT SHARING PLAN
EIN: 91-1422237
PLAN NO. 001
SCHEDULE H, PART IV, LINE 4(i) – SCHEDULE OF ASSETS (HELD AT END OF YEAR)
DECEMBER 31, 2025
(a)(b) Identity of Issue, Borrower, Lessor, or Similar Party(c) Description of Investment, Including Maturity Date, Rate of Interest, Collateral, Par, or Maturity Value(d) Cost(e) Current Value
(in thousands)
Vanguard Target 2040Collective trust**$64,582 
Vanguard Target 2045Collective trust**62,899 
Vanguard Target 2030Collective trust**62,053 
Vanguard Target 2035Collective trust**54,889 
Vanguard Target 2050Collective trust**43,415 
Vanguard Target 2025Collective trust**42,978 
Vanguard Target 2055Collective trust**31,753 
Putnam Stable Value Fund 15Collective trust**29,419 
Vanguard Target 2020Collective trust**19,158 
Vanguard Target IncCollective trust**9,031 
Vanguard Target 2060Collective trust**8,335 
Cohen & Steers U.S. Realty Fund Class RSCollective trust**5,284 
Vanguard Target 2065Collective trust**4,469 
Vanguard Target 2070Collective trust**831 
Total collective trusts439,096 
*Fidelity 500 Index FundRegistered investment company**95,122 
*Fidelity Blue Chip Growth Fund Class K6Registered investment company**64,208 
Vanguard Value Index Fund Institutional SharesRegistered investment company**31,508 
Vanguard Mid-Cap Value Index Fund Admiral SharesRegistered investment company**30,181 
T. Rowe Price Diversified Mid-Cap Growth Fund I ClassRegistered investment company**29,011 
*Fidelity Small Cap Index FundRegistered investment company**26,225 
*Fidelity Total International Index FundRegistered investment company**17,826 
Dodge & Cox Income Fund Class XRegistered investment company**15,567 
T. Rowe Price Capital Appreciation Fund I ClassRegistered investment company**13,635 
Dodge & Cox International Stock Fund Class XRegistered investment company**13,006 
*Fidelity Mid Cap Index FundRegistered investment company**12,951 
*Fidelity U.S. Bond Index FundRegistered investment company**7,456 
BlackRock High Yield Bond Portfolio Class KRegistered investment company**7,265 
Vanguard International Growth Fund Admiral SharesRegistered investment company**6,312 
*Fidelity Inflation-Protected Bond Index FundRegistered investment company**5,810 
John Hancock Small Cap Core Fund Class R6Registered investment company**3,583 
Total registered investment companies379,666 
Vanguard Federal Money Market Fund Investor SharesMoney market fund**176 
*Columbia Banking System, Inc.Common stock **15,070 
BrokerageLink accountsVarious investments, including registered investment companies, common stocks, money market funds and cash **2,645 
*Participant loans
3.25% – 9.50%, various maturities through 2047
$—12,219 
$848,872 
* Indicates party-in-interest
** Information is not required as investments are participant directed.
See accompanying Report of Independent Registered Public Accounting Firm.