Investment adviser · CRD 163089

MOUNTAINEER PARTNERS MANAGEMENT, LLC

Investment adviser filing (IA)

NEW YORK, NY, United States · Form ADV filed Mar 31, 2026

Regulatory AUM: $306M
Client accounts: 5
Employees: 4
Advisory professionals: 3

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
Charities	Fewer than 5	$150,529,439	49.2%
Pooled investment vehicles	3	$97,209,485	31.8%
Investment companies	1	$57,996,838	19.0%

Filing source

Form ADV 2081955 · Mar 31, 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

1 Private fund

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

MOUNTAINEER MASTER FUND, LTD.Hedge Fund · Last reported Mar 31, 2026$97.2MGross asset value

Feeder funds

Fund administrator SS&C FUND SERVICES (CAYMAN) LTD. GRAND CAYMAN, Cayman Islands Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LTD. GRAND CAYMAN, Cayman Islands

Custodian CIBC BANK USA CHICAGO, Illinois, United States Related to adviser: No

Custodian WELLS FARGO SECURITIES, LLC NEW YORK, New York, United States Related to adviser: No

Marketer INTE SECURITIES LLC NEW YORK, New York, United States Related to adviser: No

Prime broker WELLS FARGO SECURITIES, 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: Yes

ERNST & YOUNG LTD.
PCAOB 1655

WELLS FARGO SECURITIES, LLC
SEC 8-65876

INTE SECURITIES LLC
CRD 47107 · SEC 8-51667

WELLS FARGO SECURITIES, LLC
CRD 126292 · SEC 8-65876

Fund details & source

Fund ID: 805-4330111765
Reported beneficial owners: 15
Minimum commitment: $1M

Form ADV 2081955 · Mar 31, 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 31, 2026. View historical filings

Reported services

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

Compensation

Percentage of assets · Performance-based

Principal office

950 THIRD AVENUE, 28TH FLOOR
NEW YORK, NY, 10022, United States

CRD 163089

Filing source

Form ADV 2081955 · Mar 31, 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.