Investment adviser · CRD 109587

CASTLEARK MANAGEMENT LLC

Investment adviser filing (IA)

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

Regulatory AUM: $4.59B
Client accounts: 66
Employees: 28
Advisory professionals: 18

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
Government entities	11	$2,698,708,400	58.9%
Retirement plans	Fewer than 5	$1,135,898,000	24.8%
Pooled investment vehicles	5	$362,411,000	7.9%
Investment companies	1	$311,716,000	6.8%
High-net-worth individuals	46	$76,815,000	1.7%

Filing source

Form ADV 2083148 · 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 INVESTMENT TRUSTOther Private Fund · Last reported Apr 2, 2015$36.4MGross asset value

Form D fundraising filings

CastleArk Investment Trust

Fund administrator BANK OF NEW YORK MELLON CORP PHILADELPHIA, Pennsylvania, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor MCGLADREY LLP CHICAGO, Illinois, United States

Custodian BANK OF NEW YORK MELLON CORP PHILADELPHIA, Pennsylvania, United States Related to adviser: No

Provider details

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

Fund details & source

Fund ID: 805-8666518077
Reported beneficial owners: 3
Minimum commitment: $3M
Form D file number: 021-172852

Form ADV 904673 · Apr 2, 2015 · 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 Apr 5, 2017$17.5MGross 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

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 1105351 · Apr 5, 2017 · 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 Apr 5, 2017$7.3MGross 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

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 1105351 · Apr 5, 2017 · 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 LONG/SHORT FUND, LPHedge Fund · Last reported Jan 6, 2023$2MGross asset value

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: No
External marketing: No

JEFFERIES LLC
SEC 8-15074

JEFFERIES LLC
CRD 2347 · SEC 8-15074

Fund details & source

Fund ID: 805-1044755614
Reported beneficial owners: 2
Minimum commitment: $0

Form ADV 1698709 · Jan 6, 2023 · 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 Apr 5, 2017$436KGross asset value

Fund administrator FOLIO ADMINISTRATORS 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: 1
Minimum commitment: $1M
Form D file number: 021-96692

Form ADV 1105351 · Apr 5, 2017 · 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

Individual portfolio management · Investment company portfolio management · Pooled investment vehicle management · Business portfolio management

Compensation

Percentage of assets

Principal office

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

CRD 109587

Filing source

Form ADV 2083148 · 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.