AdvisorCensus / Financial advisors / Washington / Seattle / Westriver Management, LLC
Westriver Management, LLC is an SEC-registered investment advisory firm in Seattle, WA, registered since 2012, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated March 26, 2026.
Quick answers
From the filingHow is Westriver Management, LLC compensated?
On its Form ADV (Item 5.E, October 2026), Westriver Management, LLC reports these compensation arrangements: fixed fees (other than subscription fees); performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure.
Where is Westriver Management, LLC located?
Westriver Management, LLC's principal office is in Seattle, WA, according to its Form ADV.
Is Westriver Management, LLC registered with the SEC or a state?
Westriver Management, LLC is an SEC-registered investment advisory firm, registered since 2012. Status as filed: Approved. CRD 161921.
How much does Westriver Management, LLC manage?
Westriver Management, LLC reports $444,377,118 in regulatory assets under management in its Form ADV filing dated March 26, 2026 (21% discretionary).
How have Westriver Management, LLC's assets and staff changed since 2021?
In the Form ADV data for Westriver Management, LLC: Regulatory assets under management: $1,527,137,466 in the October 2021 data and $444,377,118 in the October 2026 data, down 71%. Total employees: 19 in October 2021 and 14 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Westriver Management, LLC serve?
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (27).
Does Westriver Management, LLC report any disciplinary disclosures?
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/161921
What changed in Westriver Management, LLC's recent Form ADV filings?
In the April 2026 filing data: Employees performing advisory functions went from 8 to 9. Regulatory assets under management went from $621,586,905 to $444,377,118 (-29%).
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- Fixed fees (other than subscription fees)
- Performance-based fees
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2ASee the firm's brochure (dated March 26, 2026) for its fees and any account minimum, on the SEC's IAPD site.
Regulatory assets under management
Item 5.F$444,377,118 as of October 2026, filing dated March 26, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Portfolio management for pooled investment vehicles (other than investment companies)
- Other
Registration and firm details
Items 1, 2, 5- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2012 (14 years)
- Employees
- Total: 14. Performing investment advisory functions: 9.
- Wrap fee program participation
- No.
- States registered or notice-filed
-
1 state or jurisdiction
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $444,377,118 | 14 | March 26, 2026 |
| October 2025 | $621,586,905 | 15 | March 27, 2025 |
| October 2024 | $995,541,210 | 15 | March 27, 2024 |
| October 2023 | $1,138,761,537 | 15 | March 31, 2023 |
| October 2022 | $1,246,640,268 | 15 | April 6, 2022 |
| October 2021 | $1,527,137,466 | 19 | March 31, 2021 |
Regulatory assets under management: $1,527,137,466 in the October 2021 data and $444,377,118 in the October 2026 data, down 71%.
Total employees: 19 in October 2021 and 14 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 months- April 2026
- Employees performing advisory functions went from 8 to 9.
- Regulatory assets under management went from $621,586,905 to $444,377,118 (-29%).
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Westriver Management, LLC (CRD 161921): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/westriver-management-llc-seattle-wa-161921