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Investment Pool

The King County Investment Pool invests cash reserves for all county agencies and approximately 110 special districts and other public entities such as fire, school, sewer and water districts, and other public authorities. It is one of the largest investment pools in the state of Washington, with an average asset balance of more than $9 billion. On average, King County agencies comprise half of the pool and outside districts the other half.

The Executive Finance Committee (EFC) establishes investment policies and oversees the investment portfolio to ensure that specific investments comply with both those investment policies and state law. The Pool is only allowed to invest in certain types of highly-rated securities, including certificates of deposit, U.S. treasury obligations, federal agency obligations, municipal obligations, repurchase agreements, and commercial paper.

November Gross Pool Earnings Rate: 4.48%

2025 EFC Meetings

Regular Quarterly Meetings

Meetings begin at 11 a.m. unless otherwise indicated.
Join by phone at 425-653-6586 and use ID code 753 157 236#

  • January 23
  • April 24
  • July 24
  • October 23

Optional Meetings

Meetings begin at 11 a.m. unless otherwise indicated.
Join by phone at 425-653-6586 and use ID code 314 484 093#
Optional meetings are only held when an issue cannot be delayed until a quarterly meeting.

  • February 27
  • March 27
  • May 22
  • June 26
  • August 28
  • September 25
  • December 4

2025 IPAC Meetings

Meetings begin at 11 a.m. unless otherwise indicated.
Join by phone at 425-653-6586 and use the ID code below

  • April 3 - 393 374 070#
  • October 2 - 953 437 402#

Quarterly pool reviews

GASB 40 Disclosure Info

Annual rebate

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