Investment adviser · CRD 162321

YORKTOWN PARTNERS LLC

Exempt reporting adviser (ERA)

Exempt reporting advisers use a shorter Form ADV report. Some adviser-level figures are not reported; fund disclosures appear below when available.

NEW YORK, NY, United States · Form ADV filed Mar 30, 2026

Adviser-level assets, account counts and staffing figures are unavailable in this filing. View the reported fund disclosures below →

Private funds & service providers

21 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.

YORKTOWN ENERGY PARTNERS XI, L.P.Venture Capital Fund · Last reported Mar 30, 2026$885MGross asset value

Form D fundraising filings

Yorktown Energy Partners XI, L.P.

Fund administrator STATE STREET PRIVATE EQUITY FUND SERVICES, INC. CLIFTON, New Jersey, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor DELOITTE & TOUCHE LLP HOUSTON, Texas, United States
Custodian J.P. MORGAN CHASE BANK, N.A. NEW YORK, New York, United States Related to adviser: No
Custodian MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED NEW YORK, New York, 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

DELOITTE & TOUCHE LLP
PCAOB 34

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
SEC 8-7221

Fund details & source
Fund ID
805-9788708328
Reported beneficial owners
128
Minimum commitment
$1M
Form D file number
021-258387

Form ADV 2080947 · Mar 30, 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.

YORKTOWN ENERGY PARTNERS X, L.P.Venture Capital Fund · Last reported Mar 30, 2026$792MGross asset value

Form D fundraising filings

Yorktown Energy Partners X, L.P.

Fund administrator STATE STREET PRIVATE EQUITY FUND SERVICES, INC. CLIFTON, New Jersey, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor DELOITTE & TOUCHE LLP HOUSTON, Texas, United States
Custodian J.P. MORGAN CHASE BANK, N.A. NEW YORK, New York, United States Related to adviser: No
Custodian MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED NEW YORK, New York, 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

DELOITTE & TOUCHE LLP
PCAOB 34

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
SEC 8-7221

Fund details & source
Fund ID
805-1660835286
Reported beneficial owners
157
Minimum commitment
$1M
Form D file number
021-197125

Form ADV 2080947 · Mar 30, 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.

YTM6 LLCVenture Capital Fund · Last reported Mar 30, 2026$234MGross asset value
Fund administrator UBERNOSKY, BAKER & ASSOCIATES PLLC HOUSTON, Texas, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor DELOITTE & TOUCHE LLP HOUSTON, Texas, United States
Custodian J.P. MORGAN CHASE BANK, N.A. NEW YORK, New York, 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

DELOITTE & TOUCHE LLP
PCAOB 34

Fund details & source
Fund ID
805-3383840842
Reported beneficial owners
9
Minimum commitment
$1M

Form ADV 2080947 · Mar 30, 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.

YORKTOWN ENERGY PARTNERS XII, L.P.Venture Capital Fund · Last reported Mar 30, 2026$219MGross asset value
Fund administrator STATE STREET PRIVATE EQUITY FUND SERVICES, INC. CLIFTON, New Jersey, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor DELOITTE & TOUCHE LLP HOUSTON, Texas, United States
Custodian J.P. MORGAN CHASE BANK, N.A. NEW YORK, New York, 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

DELOITTE & TOUCHE LLP
PCAOB 34

Fund details & source
Fund ID
805-1437219631
Reported beneficial owners
85
Minimum commitment
$1M
Form D file number
021-323500

Form ADV 2080947 · Mar 30, 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.

YORKTOWN MIDSTREAM PARTNERS, L.P.Venture Capital Fund · Last reported Mar 30, 2026$206MGross asset value

Form D fundraising filings

Yorktown Midstream Partners, L.P.

Fund administrator STATE STREET PRIVATE EQUITY FUND SERVICES, INC. CLIFTON, New Jersey, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor DELOITTE & TOUCHE LLP HOUSTON, Texas, United States
Custodian J.P. MORGAN CHASE BANK, N.A. NEW YORK, New York, 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

DELOITTE & TOUCHE LLP
PCAOB 34

Fund details & source
Fund ID
805-5607266536
Reported beneficial owners
32
Minimum commitment
$1M
Form D file number
021-345916

Form ADV 2080947 · Mar 30, 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.

YORKTOWN ENERGY PARTNERS IX, L.P.Venture Capital Fund · Last reported Mar 30, 2026$177MGross asset value

Form D fundraising filings

Yorktown Energy Partners IX, L.P.

Fund administrator STATE STREET PRIVATE EQUITY FUND SERVICES, INC. CLIFTON, New Jersey, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor DELOITTE & TOUCHE LLP HOUSTON, Texas, United States
Custodian J.P. MORGAN CHASE BANK, N.A. NEW YORK, New York, United States Related to adviser: No
Custodian MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED NEW YORK, New York, 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

DELOITTE & TOUCHE LLP
PCAOB 34

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
SEC 8-7221

Fund details & source
Fund ID
805-8565174630
Reported beneficial owners
113
Minimum commitment
$1M
Form D file number
021-149340

Form ADV 2080947 · Mar 30, 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.

CORAL SEA CO INVESTMENT PARTNERS, L.P.Venture Capital Fund · Last reported Mar 30, 2026$104MGross asset value

Form D fundraising filings

Coral Sea Co Investment Partners, L.P.

Fund administrator STATE STREET PRIVATE EQUITY FUND SERVICES, INC. CLIFTON, New Jersey, United States Investor statements: Yes (provided to all investors) Related to adviser: No
Auditor ABIP, P.C. HOUSTON, Texas, United States
Custodian J.P. MORGAN CHASE BANK, N.A. NEW YORK, New York, 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

ABIP, P.C.
PCAOB 5585

Fund details & source
Fund ID
805-7873149081
Reported beneficial owners
4
Minimum commitment
$1M
Form D file number
021-265865

Form ADV 2080947 · Mar 30, 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.

Services & filing details

Most recent filing: Mar 30, 2026. View historical filings

Reported services

Not reported in these imported fields

Compensation

Not reported in these imported fields

Principal office

410 PARK AVENUE, 20TH FLOOR
NEW YORK, NY, 10022, United States

CRD 162321

Filing source

Form ADV 2080947 · Mar 30, 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.