AUMdb

Equinox Partners Investment Management Llc

SEC-registered Private Fund Manager · Mid-sized ($1B–$10B) CRD 105885 · SEC file 801-28696 · Stamford, CT · www.linkedin.com
☆ Save with Pro ADV data as of Mar 26, 2026
Regulatory AUM
$1.4B
Discretionary
$1.4B
Clients
6
Avg AUM / client
$236M
Accounts
8
Employees
11

AUM over time

$546M $2.3B
Dec 2011 Dec 2025

Annual snapshots from Form ADV filings · as of Mar 26, 2026

Investments (13F portfolio — 11 positions, $245,400,559)

13F period Mar 31, 2026
#IssuerClassValueShares% of 13F% of AUM
1 Kosmos Energy Ltd COM $57,484,932 20,678,033 23.4% 4.07%
2 Gran Tierra Energy Inc COM $57,241,795 6,381,471 23.3% 4.05%
3 New Pac Metals Corp COM $27,780,544 6,700,045 11.3% 1.96%
4 Galiano Gold Inc COM $23,401,715 9,357,961 9.54% 1.66%
5 Vista Energy S.A.B. De C.V. SPONSORED ADS $22,766,808 301,667 9.28% 1.61%
6 Ypf Sociedad Anonima SPON ADR CL D $21,584,740 467,000 8.8% 1.53%
7 Sprott Asset Management Lp PHYSICAL SILVER $9,377,955 384,500 3.82% 0.66%
8 Vizsla Silver Corp COM NEW $7,456,329 2,250,800 3.04% 0.53%
9 Integra Res Corp COM $6,515,081 2,411,264 2.65% 0.46%
10 Precision Drilling Corp COM NEW $6,415,220 65,211 2.61% 0.45%
11 I 80 Gold Corp *W EXP 11/16/202 $5,375,440 5,600,000 2.19% 0.38%

Top 25 of 11 positions from the manager's latest Form 13F · source filing (EDGAR) ↗. 13F covers long US-listed positions only. "% of AUM" is share of the firm's total regulatory AUM (Form ADV Item 5.F).

Who they serve

Client typeClientsAUM% of AUM
Pooled investment vehicles (non-investment companies) 6 $793M 56.1%
Other Fewer than 5 clients $621M 43.9%

Private funds (4)

Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $449M combined gross assets

FundTypeDomicileGross assetsOwners
Equinox Partners, L.P. master Hedge Fund Delaware $326M 45
Kuroto Fund Lp master Hedge Fund Delaware $62.4M 23
Mason Hill Partners, Lp Other Private Fund Delaware $37.7M 13
Equinox Partners Precious Metals Master Fund, L.P. master Hedge Fund Bermuda $22.2M 12

People (3)

NameRole / titleCredentialsWith firm sinceOwnership
Fieler, Sean, Michael President And Member Equinox Partners Investment Management Llc Dec 2004 (22y) ≈ 56.25% – 100% via Nehemiah Investments Holding Co., Llc
Alejo, Denise Chief Financial Officer & Chief Compliance Officer Jan 2016 (11y) Less than 5%
Melkonian, Arthur, Anthony Chief Operating Officer Nov 2018 (8y) Less than 5%

Entity owners (Schedule A/B)

EntityTitle / statusSinceSch.Ownership
Nehemiah Investments Holding Co., Llc Member Equinox Partners Investment Management Llc Jan 2021 A 75% or more

Undisclosed: 0% – 15% of the firm is not attributable from the filed Schedule A bands.

Estimated effective ownership (look-through of filed bands):

  • Fieler, Sean, Michael: 75% – 100% of Nehemiah Investments Holding Co., Llc × 75% – 100% direct ≈ 56.25% – 100% of the firm

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 (4, $449M gross assets)

FundTypeGross assetsMin. investmentOwners
Equinox Partners, L.P. Hedge Fund $326M $2.0M 45
Kuroto Fund Lp Hedge Fund $62.4M $2.0M 23
Mason Hill Partners, Lp Other Private Fund $37.7M $1.0M 13
Equinox Partners Precious Metals Master Fund, L.P. Hedge Fund $22.2M $2.0M 12

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/26/2026 2.01 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 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 26, 2026.

View current Form ADV (SEC/IAPD) ↗