Rimrock Capital Management LLC is an SEC-registered investment adviser based in Irvine, CA that reports managing 6 hedge funds on Form ADV. It reports $3.9 billion in regulatory assets under management. Its private funds, of all types, hold $2.9 billion in gross assets.
- Regulatory assets under management
- $3.9 billionForm ADV Item 5.F
- Gross assets of private funds
- $2.9 billionAll private fund types, Form ADV
- Hedge funds managed
- 66 private funds in total
- Employees
- 26Form ADV Item 5.A
- Registration
- SEC-registered adviserCRD 120410
- Latest Form ADV
- 04/30/2026Disciplinary disclosures: none reported
Hedge funds filing Form D (12)
Fund
First sale
Raised
Investors
Minimum
YTD performance
Rimrock High Income Plus (cayman) Fund, LTD.
Grand Cayman, Cayman IslandsOffshore
First saleJul 2004
Raised$3.2B
Investors51
Minimum$1.0M
YTD performanceNot reported
Rimrock High Income Plus (QP) Fund, L.P.
Irvine, CA
First saleJun 2010
Raised$1.0B
Investors31
Minimum$1.0M
YTD performanceNot reported
Rimrock High Income Plus Fund, L.P.
Irvine, CA
First saleJan 2000
Raised$370M
Investors26
Minimum$1.0M
YTD performanceNot reported
Rimrock Structured Product (cayman) Fund, LTD.
Grand Cayman, Cayman IslandsOffshore
First saleMar 2012
Raised$361M
Investors20
Minimum$1.0M
YTD performanceNot reported
Rimrock Low Volatility (QP) (cayman) Fund, LTD.
Grand Cayman, Cayman IslandsOffshore
First saleMay 2011
Raised$255M
Investors4
Minimum$1.0M
YTD performanceNot reported
Rimrock Strategic Income Fund, LTD.
Grand Cayman, Cayman IslandsOffshore
First saleDec 2013
Raised$253M
Investors1
Minimum$1.0M
YTD performanceNot reported
Rimrock Low Volatility (QP) Fund, L.P.
Irvine, CA
First saleMay 2011
Raised$221M
Investors2
Minimum$1.0M
YTD performanceNot reported
Rimrock Structured Product Fund, L.P.
Irvine, CA
First saleJan 2012
Raised$194M
Investors25
Minimum$1.0M
YTD performanceNot reported
Oso Strategic Income Fund, Ltd.
Grand Cayman, Cayman IslandsEmergingOffshore
First saleJul 2025
Raised$14.5M
Investors1
Minimum$1.0M
YTD performanceNot reported
Rimrock Total Return Strategies (Cayman) Fund, Ltd.
Grand Cayman, Cayman IslandsEmergingOffshore
First saleOct 2025
Raised$13.6M
Investors3
Minimum$1.0M
YTD performanceNot reported
Rimrock Total Return Strategies Fund, L.P.
Irvine, CAEmerging
First saleOct 2025
Raised$11.4M
Investors4
Minimum$1.0M
YTD performanceNot reported
Rimrock Total Return Strategies Fund, Ltd.
Grand Cayman, Cayman IslandsEmergingOffshore
First saleApr 2025
Raised$7.0M
Investors1
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.
From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. HedgeMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures