Investment adviser · CRD 288893

CASTLEARK ALTERNATIVES, LLC

Investment adviser filing (IA)

CHICAGO, IL, United States · Form ADV filed Apr 1, 2026

Regulatory AUM: $8.24M
Client accounts: 1
Employees: 5
Advisory professionals: 4

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client type	Clients	Regulatory assets	Share of AUM
Pooled investment vehicles	1	$8,240,000	100.0%

Filing source

Form ADV 2083884 · Apr 1, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

5 Private funds

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

CASTLEARK ENERGY PARTNERS, LPHedge Fund · Last reported Apr 1, 2026$8.24MGross asset value

Auditor RSM US LLP CHICAGO, Illinois, United States

Custodian JEFFERIES LLC NEW YORK, New York, United States Related to adviser: No

Prime broker JEFFERIES LLC NEW YORK, New York, United States

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

RSM US LLP
PCAOB 49

JEFFERIES LLC
SEC 8-15074

JEFFERIES LLC
CRD 2347 · SEC 8-15074

Fund details & source

Fund ID: 805-9029174071
Reported beneficial owners: 2
Minimum commitment: $1M

Form ADV 2083884 · Apr 1, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

CASTLEARK GLOBAL ENERGY MASTER FUND, LPHedge Fund · Last reported May 16, 2022$168MGross asset value

Feeder funds

CASTLEARK GLOBAL ENERGY FUND, LP

Fund administrator SEI GLOBAL SERVICES, INC. OAKS, Pennsylvania, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor RSM US LLP CHICAGO, Illinois, United States

Custodian JEFFERIES LLC NEW YORK, New York, United States Related to adviser: No

Prime broker JEFFERIES LLC NEW YORK, New York, United States

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: No

RSM US LLP
PCAOB 49

JEFFERIES LLC
SEC 8-15074

JEFFERIES LLC
CRD 2347 · SEC 8-15074

Fund details & source

Fund ID: 805-1355498811
Reported beneficial owners: 2
Minimum commitment: $1M
Form D file number: 021-285355

Form ADV 1638580 · May 16, 2022 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

CASTLEARK PENDULUM FUND, LPHedge Fund · Last reported May 16, 2022$8.82MGross asset value

Auditor RSM US LLP CHICAGO, Illinois, United States

Custodian JEFFERIES LLC NEW YORK, New York, United States Related to adviser: No

Prime broker JEFFERIES LLC NEW YORK, New York, United States

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

RSM US LLP
PCAOB 49

JEFFERIES LLC
SEC 8-15074

JEFFERIES LLC
CRD 2347 · SEC 8-15074

Fund details & source

Fund ID: 805-8469411028
Reported beneficial owners: 3
Minimum commitment: $1M

Form ADV 1638580 · May 16, 2022 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

CASTLEARK ENERGY MASTER FUND, LPHedge Fund · Last reported May 16, 2022$4.84MGross asset value

Feeder funds

CASTLEARK ENERGY FUND, LTD.
CASTLEARK ENERGY PARTNERS, LP

Auditor RSM US LLP CHICAGO, Illinois, United States

Custodian JEFFERIES LLC NEW YORK, New York, United States Related to adviser: No

Prime broker JEFFERIES LLC NEW YORK, New York, United States

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: No
External marketing: No

RSM US LLP
PCAOB 49

JEFFERIES LLC
SEC 8-15074

JEFFERIES LLC
CRD 2347 · SEC 8-15074

Fund details & source

Fund ID: 805-4462675547
Reported beneficial owners: 3
Minimum commitment: $1M

Form ADV 1638580 · May 16, 2022 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

CASTLEARK E&P FUND, LTD.Hedge Fund · Last reported May 1, 2018$730KGross asset value

Fund administrator FOLIO ADMINISTRATORS ROAD TOWN, TORTOLA, British Virgin Islands Investor statements: Yes (provided to all investors) Related to adviser: No

Custodian JEFFERIES LLC NEW YORK, New York, United States Related to adviser: No

Prime broker JEFFERIES LLC NEW YORK, New York, United States

Provider details

Annual audit: No
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: No

JEFFERIES LLC
SEC 8-15074

JEFFERIES LLC
CRD 2347 · SEC 8-15074

Fund details & source

Fund ID: 805-7555773561
Reported beneficial owners: 2
Minimum commitment: $10M
Form D file number: 021-96692

Form ADV 1215337 · May 1, 2018 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Services & filing details

Most recent filing: Apr 1, 2026. View historical filings

Reported services

Pooled investment vehicle management

Compensation

Percentage of assets · Performance-based

Principal office

1 N. WACKER DRIVE, SUITE 3950
CHICAGO, IL, 60606, United States

CRD 288893

Filing source

Form ADV 2083884 · Apr 1, 2026 · Items 1 & 5

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.