AUMdb

Mountaineer Partners Management, Llc

SEC-registered Endowment & Foundation Advisor · Small ($100M–$1B) CRD 163089 · SEC file 801-78304 · New York, NY · WWW.MOUNTAINEERPARTNERS.COM
☆ Save with Pro ADV data as of Mar 31, 2026
Regulatory AUM
$306M
Discretionary
$306M
Clients
4
Avg AUM / client
$76.4M
Accounts
5
Employees
4

AUM over time

$10.5M $316M
Jun 2013 Dec 2025

Annual snapshots from Form ADV filings · as of Mar 31, 2026

Who they serve

Client typeClientsAUM% of AUM
Investment companies 1 $58.0M 19.0%
Pooled investment vehicles (non-investment companies) 3 $97.2M 31.8%
Charitable organizations Fewer than 5 clients $151M 49.2%

Private funds (3)

Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $115M combined gross assets

FundTypeDomicileGross assetsOwners
Mountaineer Master Fund, Ltd. master Hedge Fund Cayman Islands $66.4M 17
Mountaineer Offshore Fund, Ltd. feeder Hedge Fund Cayman Islands $24.6M 4
Mountaineer Partners, Lp feeder Hedge Fund Delaware $23.8M 13

People (2)

NameRole / titleCredentialsWith firm sinceOwnership
Lee, Mark, M Managing Member May 2011 (15y) 75% or more
Williams, Gregory, Stephen Chief Compliance Officer Sep 2023 (3y) Less than 5%

Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.

Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.

Private funds (3, $115M gross assets)

FundTypeGross assetsMin. investmentOwners
Mountaineer Master Fund, Ltd. Hedge Fund $66.4M $1.0M 17
Mountaineer Offshore Fund, Ltd. Hedge Fund $24.6M $1.0M 4
Mountaineer Partners, Lp Hedge Fund $23.8M $1.0M 13

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/31/2026 1.6 MB View · PDF · Source ↗

Archived copies of the firm's regulatory filings, versioned by content hash.

Disciplinary disclosures

No disciplinary events reported on the firm's latest Form ADV filing.

How they charge

  • Percentage of assets under management
  • Performance-based fees

Services

  • Portfolio management for investment companies
  • Portfolio management for pooled investment vehicles
  • Portfolio management for businesses/institutional clients

Custody

Reported custodians

Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).

Firm reports having custody of client funds or securities (Item 9.A).

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 31, 2026.

View current Form ADV (SEC/IAPD) ↗