WESTRIVER MANAGEMENT, LLC
SEC file number 801-74380
· SEATTLE, WA
This record was imported using its SEC file number. A CRD has not been verified in our database. Search SEC IAPD by firm name and confirm the entity before relying on this profile.
Regulatory AUM
$995.5M
Discretionary AUM
$151.5M
Employees
15
Clients
—
Firm
- Address
- 920 5TH AVE
SEATTLE, WA 98104 - Phone
- —
- Website
- —
- Disciplinary
- Unknown — verify on SEC IAPD
Sources
- Search SEC IAPD to verify this firm ↗
- Last refreshed Apr 28, 2026
Possible Form D name matches (not verified)
- New River Management Group LLC Medium name-match confidence · CIK 2117163 · DC
- WebFX Management Holdings, LLC Medium name-match confidence · CIK 1913207 · NY
- MATRIX CAPITAL MANAGEMENT FUND LP Medium name-match confidence · CIK 1096712 · NH
- Trio Management Holdings, L.P. Medium name-match confidence · CIK 2094931 · CA
- MD MANAGEMENT LLC Medium name-match confidence · CIK 1423624 · CA
- Q FUND MANAGEMENT GROUP LTD Medium name-match confidence · CIK 2093351 · CO
- Duoer Capital Management Co., Ltd Medium name-match confidence · CIK 2086356 · CO
- AD Fund Management LP Medium name-match confidence · CIK 2085462 · NY
- JV Management, Inc. Medium name-match confidence · CIK 2135485 · TX
- MBH CAPITAL MANAGEMENT, LLC Medium name-match confidence · CIK 1997124 · FL
- SG Management Holdings, LLC Medium name-match confidence · CIK 2052227 · WI
- One River Asset Management, LLC Medium name-match confidence · CIK 1616336 · CT
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Trio Management Holdings, L.P. · D · Nov 6, 2026
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MD MANAGEMENT LLC · D · Nov 4, 2026$19.3M
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JV Management, Inc. · D/A · Aug 26, 2026$682.2K
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JV Management, Inc. · D · May 19, 2026$344K
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WebFX Management Holdings, LLC · D/A · Mar 9, 2026
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New River Management Group LLC · D · Mar 9, 2026$5M
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One River Asset Management, LLC · D · Mar 4, 2026$73.1K
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Trio Management Holdings, L.P. · D · Nov 14, 2025
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Q FUND MANAGEMENT GROUP LTD · D · Oct 23, 2025$100M
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Duoer Capital Management Co., Ltd · D · Sep 17, 2025$57.5K
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AD Fund Management LP · D · Sep 10, 2025
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SG Management Holdings, LLC · D/A · Apr 28, 2025
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MD MANAGEMENT LLC · D · Apr 15, 2025
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MATRIX CAPITAL MANAGEMENT FUND LP · D/A · Mar 14, 2025
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WebFX Management Holdings, LLC · D/A · Mar 7, 2025
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SG Management Holdings, LLC · D · Jan 15, 2025$842.5K
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MBH CAPITAL MANAGEMENT, LLC · D/A · Jan 8, 2025