AltMountain

Castlelake, L.P.

Minneapolis, MN · CRD 145165
Hedge fund manager

Castlelake, L.P. is an SEC-registered investment adviser based in Minneapolis, MN that reports managing 3 hedge funds on Form ADV. It reports $35.3 billion in regulatory assets under management. Its private funds, of all types, hold $35.1 billion in gross assets.

Regulatory assets under management
$35.3 billionForm ADV Item 5.F
Gross assets of private funds
$35.1 billionAll private fund types, Form ADV
Hedge funds managed
346 private funds in total
Employees
251Form ADV Item 5.A
Registration
SEC-registered adviserCRD 145165
Latest Form ADV
03/27/2026Disciplinary disclosures: none reported

Private equity funds filing Form D (11)

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 (36)

Fund
Gross assets
Minimum
Owners
Adviser
Castlelake V, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$4.5B
Minimum$10.0M
Owners93
AdviserCastlelake, L.P.
Castlelake Aviation IV Stable Yield, L.P.
Delaware, United StatesHedge fund
Gross assets$4.2B
Minimum$10.0M
Owners33
AdviserCastlelake, L.P.
Castlelake Aviation III Stable Yield, L.P.
Delaware, United StatesHedge fund
Gross assets$3.0B
Minimum$10.0M
Owners40
AdviserCastlelake, L.P.
Castlelake IV, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.6B
Minimum$10.0M
Owners71
AdviserCastlelake, L.P.
Castlelake Income Opportunities II, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.4B
Minimum$10.0M
Owners36
AdviserCastlelake, L.P.
Castlelake Opportunistic Asset Solutions VI, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.4B
Minimum$10.0M
Owners22
AdviserCastlelake, L.P.
Castlelake Aviation V Stable Yield, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.3B
Minimum$10.0M
Owners21
AdviserCastlelake, L.P.
Castlelake Arch Opportunities, L.L.C.
Delaware, United StatesPrivate equity fund
Gross assets$1.1B
Minimum$200M
Owners1
AdviserCastlelake, L.P.
CLM Aggregation Fund, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$979M
MinimumNone set
Owners2
AdviserCastlelake, L.P.
Castlelake III, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$642M
Minimum$10.0M
Owners64
AdviserCastlelake, L.P.
Castlelake Aircraft Structured Trust 2019-1
Delaware, United StatesSecuritized asset fund
Gross assets$576M
Minimum$5.0M
Owners3
AdviserCastlelake, L.P.
Castlelake V Dislocated Opportunities, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$536M
Minimum$10.0M
Owners19
AdviserCastlelake, L.P.
CL Dal 2.0 Opportunities, LLC
Delaware, United StatesPrivate equity fund
Gross assets$520M
MinimumNone set
Owners10
AdviserCastlelake, L.P.
AC Aviation Finance Opportunities, L.P.
Cayman IslandsPrivate equity fund
Gross assets$502M
Minimum$750K
Owners2
AdviserCastlelake, L.P.
Castlelake Income Opportunities I B, L.P.
Cayman IslandsPrivate equity fund
Gross assets$471M
Minimum$10.0M
Owners18
AdviserCastlelake, L.P.
Castlelake Aircraft Structured Trust 2021-1
Delaware, United StatesSecuritized asset fund
Gross assets$470M
Minimum$2K
Owners10
AdviserCastlelake, L.P.
Castlelake Secured Aviation Asset LLC 2023-1
Delaware, United StatesSecuritized asset fund
Gross assets$470M
Minimum$100K
Owners2
AdviserCastlelake, L.P.
Castlelake Aircraft Structured Trust 2018-1
Delaware, United StatesSecuritized asset fund
Gross assets$375M
Minimum$5.0M
Owners1
AdviserCastlelake, L.P.
Castlelake Asset-Based Private Credit III Evergreen B, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$349M
Minimum$10.0M
Owners3
AdviserCastlelake, L.P.
Castlelake Aviation IV Stable Yield Opportunities, L.P.
Delaware, United StatesHedge fund
Gross assets$304M
Minimum$2.0M
Owners6
AdviserCastlelake, L.P.
Castlelake Income Opportunities I A, L.P.
Cayman IslandsPrivate equity fund
Gross assets$244M
Minimum$10.0M
Owners8
AdviserCastlelake, L.P.
Castlelake Aircraft Structured Trust 2017-1
Delaware, United StatesSecuritized asset fund
Gross assets$234M
Minimum$5.0M
Owners3
AdviserCastlelake, L.P.
Castlelake II, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$232M
Minimum$10.0M
Owners54
AdviserCastlelake, L.P.
Castlelake Consumer Receivables Opportunity II, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$221M
Minimum$200K
Owners6
AdviserCastlelake, L.P.
Castlelake Aclo Warehouse I, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$197M
Minimum$400K
Owners2
AdviserCastlelake, L.P.
CL Hermes Opportunities, L.P.
Cayman IslandsPrivate equity fund
Gross assets$94.4M
MinimumNone set
Owners1
AdviserCastlelake, L.P.
Castlelake Asset-Based Private Credit III Evergreen A, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$73.8M
Minimum$10.0M
Owners2
AdviserCastlelake, L.P.
CL Qa Opportunities, L.P.
Cayman IslandsPrivate equity fund
Gross assets$69.4M
MinimumNone set
Owners1
AdviserCastlelake, L.P.
AS Air Lease 3 (Offshore) LP
AnguillaPrivate equity fund
Gross assets$40.7M
MinimumNone set
Owners7
AdviserCastlelake, L.P.
Hpscp Opportunities, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$36.7M
Minimum$5.8M
Owners4
AdviserCastlelake, L.P.
Land Opportunities, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$24.2M
Minimum$100K
Owners11
AdviserCastlelake, L.P.
Castlelake Aviation II, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$20.2M
Minimum$10.0M
Owners30
AdviserCastlelake, L.P.
Castlelake I, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$15.0M
Minimum$10.0M
Owners19
AdviserCastlelake, L.P.
Castlelake II Opportunities, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$14.9M
Minimum$120K
Owners12
AdviserCastlelake, L.P.
CL Dal Opportunities LP
Delaware, United StatesPrivate equity fund
Gross assets$3.6M
Minimum$5.0M
Owners3
AdviserCastlelake, L.P.
Castlelake Aviation II Opportunities, LLC
Delaware, United StatesPrivate equity fund
Gross assets$423K
Minimum$2.5M
Owners4
AdviserCastlelake, L.P.

As reported in the adviser's Form ADV filed Oct 23, 2024. Funds also listed from Form D are shown above.

Fund vehicles: feeder funds and single-deal vehicles (1)

Fund
Gross assets
Minimum
Owners
Adviser
CLG Co-Investment Opportunities, L.P.
Cayman IslandsPrivate equity fund
Gross assets$127M
MinimumNone set
Owners2
AdviserCastlelake, L.P.

Feeder funds invest through a master fund; single-deal vehicles (SPVs, co-investments, series) hold one investment.

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