Back to plan search

COSTCO WHOLESALE CORPORATION

COSTCO 401K RETIREMENT PLAN

401(k)2025EIN 911223280PN 002form_5500
Filed Jul 23, 2026
Original filing
End-of-year assets

$41,523,678,630

Net assets $41,523,678,630

Active participants

224,320

270,870 participant accounts

Service providers

8

14 service categories

Fidelity bond

$75,000,000

Bond reported

Plan & sponsor record
Plan name
COSTCO 401K RETIREMENT PLAN
Effective date
Jan 1, 1995
Sponsor
COSTCO WHOLESALE CORPORATION
Business code
452300
Administrator
—
Administrator EIN
—
Address
999 LAKE DRIVE · ISSAQUAH, WA, 98027
Annual plan activity
Beginning assets$41,017,392,708
Ending assets$41,523,678,630
Employer contributions$759,012,019
Participant contributions$1,193,874,064
Total income$3,918,903,989
Benefits paid$3,394,631,541
Administrative expenses$5,630,613
Net income$506,285,922
Schedule D · end of year
Investments by manager
  • T. ROWE PRICE TRUST COMPANY$14.4B
  • STATE STREET BANK AND TRUST COMPANY$2.2B
  • WELLINGTON TRUST COMPANY, NA$1.3B
  • CAPITAL BANK AND TRUST COMPANY$629M
Schedule C · direct and indirect
Compensation by provider
  • T ROWE PRICE RPS INC$5M
  • MONDRESS MONACO PARR LOCKWOOD PLLC$253K
Schedule C
Service providers
8
ProviderServicesLocationDirect compensation
T ROWE PRICE RPS INCEIN —
  • 15Recordkeeping and information management
  • 21Trustee (bank, trust company, or similar financial institution)
  • 25Trustee (directed)
  • 28Investment management
  • 37Participant loan processing
  • 38Participant communication
  • 49Other services
  • 50Direct payment from the plan
  • 52Investment management fees paid indirectly by plan
  • 59Shareholder servicing fees
  • 62Float revenue
  • 64Recordkeeping fees
  • 65Account maintenance fees
BALTIMORE, MD$5,376,366
MONDRESS MONACO PARR LOCKWOOD PLLCEIN —
  • 16Consulting (general)
  • 50Direct payment from the plan
SEATTLE, WA$253,163
PIMCO FUNDS DIST INSTEIN —
—BOSTON, MA—
THE CAPITAL GROUPEIN —
—BETHESDA, MD—
VANGUARD MARKETING CORPEIN —
—MALVERN, PA—
WELLINGTON TRUST COMPANYEIN —
—BOSTON, MA—
T ROWE PRICE RPS INCEIN —
—BALTIMORE, MD—
AMERICAN FUNDSEIN —
—INDIANAPOLIS, IN—
Schedule D
DFE & pooled interests
27
EntityTypeEIN / planEOY interest
T. ROWE PRICE RETIREMENT 2045 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust326199848 / 001$2,017,007,934
T. ROWE PRICE RETIREMENT 2040 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust356941729 / 001$1,760,440,908
T. ROWE PRICE RETIREMENT 2055 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust356941728 / 001$1,744,031,911
SS S&P 500 INDEX LEND CL XSTATE STREET BANK AND TRUST COMPANY
CCommon or collective trust046145917 / 001$1,731,384,501
T. ROWE PRICE RETIREMENT 2035 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust367595013 / 001$1,509,446,864
T. ROWE PRICE RETIREMENT 2050 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust306303214 / 001$1,433,649,072
T. ROWE PRICE RETIREMENT 2030 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust387010946 / 001$1,397,184,098
WTC-CIF II GROWTH (SERIES 5) PFWELLINGTON TRUST COMPANY, NA
CCommon or collective trust046913417 / 203$1,334,524,658
TRP INTERM TERM COMMON TRUST FUNDT. ROWE PRICE TRUST COMPANY
CCommon or collective trust300524876 / 001$1,104,898,409
T. ROWE PRICE RETIREMENT 2060 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust471088316 / 001$985,054,336
T. ROWE PRICE RETIREMENT 2025 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust376495447 / 001$861,953,368
CAPITAL GROUP NEW PERSPECTIVE TRCAPITAL BANK AND TRUST COMPANY
CCommon or collective trust956597294 / 303$628,516,606
TRP SHORT TERM COMMON TRUST FUNDT. ROWE PRICE TRUST COMPANY
CCommon or collective trust352354460 / 001$467,545,663
T. ROWE PRICE RETIREMENT 2020 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust367594871 / 001$392,107,747
T. ROWE PRICE RETIREMENT 2065 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust851763138 / 001$333,988,943
SS GLBL ALLCAP EQ EX-US LEND XSTATE STREET BANK AND TRUST COMPANY
CCommon or collective trust046145917 / 011$176,496,866
SS U.S. BOND INDEX LEND CL XSTATE STREET BANK AND TRUST COMPANY
CCommon or collective trust046608322 / 001$171,650,239
TRP MANAGED BOND COMMON TRUST FUNDT. ROWE PRICE TRUST COMPANY
CCommon or collective trust521309931 / 003$149,771,820
STATE ST SMMID CAP IDX CL IISTATE STREET BANK AND TRUST COMPANY
CCommon or collective trust046330053 / 001$140,618,951
T. ROWE PRICE RETIREMENT 2015 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust356941654 / 001$119,423,427
T.ROWE PRICE RETIREMENT BALANCED TT. ROWE PRICE TRUST COMPANY
CCommon or collective trust387011316 / 001$36,644,508
T. ROWE PRICE RETIREMENT 2010 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust326199795 / 001$36,473,943
T. ROWE PRICE RETIREMENT 2005 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust616434302 / 001$23,077,382
T.ROWE PRICE CASH RESERVES TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust306539250 / 001$17,013,981
TRP RETIRE 2020 TRUST INCOME KT. ROWE PRICE TRUST COMPANY
CCommon or collective trust367594871 / 001$9,809,111
T. ROWE PRICE RETIREMENT 2070 TRUSTT. ROWE PRICE TRUST COMPANY
CCommon or collective trust334225231 / 001$6,155,612
TRP RETIRE 2025 TRUST INCOME KT. ROWE PRICE TRUST COMPANY
CCommon or collective trust376495447 / 001$2,660,276