Private fund adviser · Seattle, WA
Westriver Management, LLC
SEC-registered investment adviser · CRD 161921 · SEC 801-74380
At a glance
Westriver Management, LLC is an SEC-registered investment adviser based in Seattle, Washington, with $444 million in regulatory assets under management as of its Form ADV filed March 26, 2026. Its largest client group by assets is pooled investment vehicles. By Form ADV it is a private fund adviser, ranked 3,170th of 4,686 private fund advisers and 8,315th of 17,210 SEC-registered advisers by assets.
Main office 425-952-3950wrg.vcLinkedInAs filed on Form ADV
- Regulatory AUM
- $444M
- Rank among private fund advisers
- #3,170 of 4,686
- Rank among all SEC RIAs
- #8,315 of 17,210
- Rank in Washington
- #104 of 271
- Clients
- 27
- Accounts
- 27
- Discretionary
- 21% of AUM
- Employees
- 14
- Advisory staff
- 9
- Offices
- 1
Owners and executives on its Form ADV
- Erik J AndersonManaging Member and Chief Compliance Officer
Custody and brokerage
Custodian
Westriver Management, LLC’s Form ADV lists no custodian for separately managed accounts. Firms report one only when they manage $10 million or more in those accounts.
Who it serves
| Client type | Clients | Regulatory AUM | Share |
|---|---|---|---|
| Pooled investment vehicles | 27 | $444M | 100% |
Private funds
Westriver Management, LLC reports 27 private funds with $444M in gross assets: private equity funds, venture capital funds, other private funds (Form ADV Item 7.B).
Disciplinary disclosures
Westriver Management, LLC reports no disciplinary disclosures in Item 11 of Form ADV. Read the details on the SEC’s adviser search ↗
Services
- Portfolio management for pooled investment vehicles
- Other services
How it’s paid
- Fixed fees
- Performance-based fees
Form ADV and brochures on the SEC’s adviser search ↗wrg.vc ↗
AtlasMembers
The full record on Westriver Management, LLC
Ten years of SEC filings, its owners and contacts, and how it stacks up against its peers. Atlas members see all of it.
- Assets, accounts, clients and staff, ten years of filings
- Locked
- Growth over one, three and five years
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- Rank against 2,257 peers of its type and size
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- Owners and executives, with titles and stakes
- 1 namedLocked
- Main office, fax and compliance officer
- Locked
- Filing changes this year, with alerts
- 1Locked
Free while Atlas launches: create a free account and confirm your email. Every figure comes from SEC filings.
Background
Questions
How much does Westriver Management, LLC manage?
Westriver Management, LLC reports $444 million in regulatory assets under management across 27 accounts, 21% of it on a discretionary basis, on its Form ADV filed March 26, 2026.
What kind of firm is Westriver Management, LLC?
Westriver Management, LLC is a private fund adviser by its Form ADV answers. Private funds are at least half of its business by assets.
Who are Westriver Management, LLC’s clients?
By assets, its largest client types are pooled investment vehicles ($444 million, 27 clients).
Does Westriver Management, LLC manage private funds?
Yes. It reports 27 private funds with $444 million in gross assets, including private equity funds, venture capital funds, other private funds.
Does Westriver Management, LLC have any disciplinary history?
Westriver Management, LLC reports no disciplinary disclosures in Item 11 of its Form ADV. Check the SEC’s adviser search for the latest record.
Where these numbers come from
Every figure is Westriver Management, LLC’s own answer on its latest Form ADV, from the SEC’s registered-adviser list as of October 1, 2026: regulatory assets and accounts (Item 5.F), clients by type (5.D), employees (5.A and 5.B), compensation (5.E) and services (5.G). Custodians come from Schedule D 5.K(3) of its latest filing (2026-03-26), which lists those holding 10% or more of separately managed account assets and the amount at each. “Hybrid” means some employees are also registered representatives of a broker-dealer (Item 5.B(2)); affiliated broker-dealers are the related persons it lists in Item 7.A and Schedule D. Firm type comes from its own answers: broker-dealer firms are registered broker-dealers themselves (Item 6.A); private fund advisers manage mostly private funds (Item 7.B, 5.D); wealth managers manage at least half their assets for individuals (5.D). Ranks compare it by regulatory assets with every SEC-registered adviser and with firms of its type. Figures are as of the firm’s last annual update, so they can lag recent deals and market moves. Regulatory AUM counts assets the firm continuously supervises and can differ from what a firm markets.
Not an endorsement or a recommendation. Before hiring any adviser, read its Form ADV Part 2A brochure and check its record on the SEC’s adviser search. How to check a financial advisor →