Osmium Partners, LLC is an exempt reporting adviser based in San Anselmo, CA that reports managing 4 hedge funds on Form ADV. Its private funds, of all types, hold $19.9 million in gross assets.
- Regulatory assets under management
- —Form ADV Item 5.F
- Gross assets of private funds
- $19.9 millionAll private fund types, Form ADV
- Hedge funds managed
- 44 private funds in total
- Employees
- —Form ADV Item 5.A
- Registration
- Exempt reporting adviserCRD 163789
- Latest Form ADV
- 03/31/2026Disciplinary disclosures: none reported
Hedge funds filing Form D (4)
Fund
First sale
Raised
Investors
Minimum
YTD performance
Osmium Capital LP
San Anselmo, CA
First saleSep 2002
Raised$48.2M
Investors44
Minimum$250K
YTD performanceNot reported
Osmium Diamond, LP
San Anselmo, CA
First saleOct 2013
Raised$29.3M
Investors11
Minimum$500K
YTD performanceNot reported
Osmium Spartan L P
San Anselmo, CA
First saleJun 2006
Raised$15.4M
Investors20
Minimum$250K
YTD performanceNot reported
Osmium Capital II, LP
San Anselmo, CA
First saleDec 2004
Raised$14.6M
Investors6
Minimum$1.0M
YTD performanceNot reported
Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.
Private funds reported on Form ADV (4)
Fund
Gross assets
Minimum
Owners
Adviser
Osmium Capital, LP
Delaware, United StatesHedge fund
Gross assets$16.2M
Minimum$250K
Owners49
AdviserOsmium Partners, LLC
Osmium Spartan, LP
Delaware, United StatesHedge fund
Gross assets$7.6M
Minimum$250K
Owners21
AdviserOsmium Partners, LLC
Osmium Diamond, LP
Delaware, United StatesHedge fund
Gross assets$4.0M
Minimum$500K
Owners13
AdviserOsmium Partners, LLC
Osmium Capital II, LP
Delaware, United StatesHedge fund
Gross assets$2.6M
Minimum$1.0M
Owners7
AdviserOsmium Partners, LLC
As reported in the adviser's Form ADV filed Mar 29, 2024. Funds also listed from Form D are shown above.
From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures