AUMdb

Great Mountain Partners Llc

SEC-registered Private Fund Manager · Large ($10B–$100B) CRD 309528 · SEC file 801-119799 · New Haven, CT · www.linkedin.com
☆ Save with Pro ADV data as of Mar 27, 2026
Regulatory AUM
$14.1B
Discretionary
$14.1B
Clients
11
Avg AUM / client
$1.3B
Accounts
11
Employees
17

AUM over time

$3.4B $14.1B
Oct 2020 Dec 2025

Annual snapshots from Form ADV filings · as of Mar 27, 2026

Who they serve

Client typeClientsAUM% of AUM
Pooled investment vehicles (non-investment companies) 11 $14.1B 100.0%

Private funds (9)

Reported in Form ADV Section 7.B.(1), filing of May 2024 · $10.6B combined gross assets

FundTypeDomicileGross assetsOwners
Axton Holdings, Llc Private Equity Fund Delaware $3.8B 8
Green Range Funds, Llc master Private Equity Fund Delaware $3.6B 2
Blue Range Funds Llc master Private Equity Fund Delaware $1.1B 2
Energy Transition Holdings Llc Private Equity Fund Delaware $967M 2
Castle Credit Smrs Holdings, Llc Private Equity Fund Delaware $396M 7
Nyanza Llc Series Ii Private Equity Fund Delaware $293M 3
Smrs Samsara Portfolio Llc master Private Equity Fund Delaware $204M 2
Blue Peak Holdings, Llc master Private Equity Fund Delaware $201M 2
Golden Bell Azalea, Llc Private Equity Fund Delaware $0 2

People (4)

NameRole / titleCredentialsWith firm sinceOwnership
Rotolo, Jonathan, Peter Manager And Member Mar 2020 (6y) 50% – 75%
Thomson, Alexander, Thurlow Manager And Member Mar 2020 (6y) 50% – 75%
Tyminski, Ethan, Daniel Chief Financial Officer Aug 2020 (6y) Less than 5%
Smith, Gregory, David Chief Compliance Officer Sep 2020 (6y) Less than 5%

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 (9, $10.6B gross assets)

FundTypeGross assetsMin. investmentOwners
Axton Holdings, Llc Private Equity Fund $3.8B $500K 8
Green Range Funds, Llc Private Equity Fund $3.6B $500K 2
Blue Range Funds Llc Private Equity Fund $1.1B $500K 2
Energy Transition Holdings Llc Private Equity Fund $967M $10.0M 2
Castle Credit Smrs Holdings, Llc Private Equity Fund $396M $200K 7
Nyanza Llc Series Ii Private Equity Fund $293M $10.0M 3
Smrs Samsara Portfolio Llc Private Equity Fund $204M $500K 2
Blue Peak Holdings, Llc Private Equity Fund $201M $500K 2
Golden Bell Azalea, Llc Private Equity Fund $0 $9.0M 2

From Form ADV Section 7.B private fund reporting.

Documents (1 archived)

FormPeriodSize
Form ADV (full filing) 03/27/2026 3.25 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

Custody

Firm reports it does not have custody of client funds or securities (Item 9.A).

No custodian data reported or mined yet.

Source

All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Mar 27, 2026.

View current Form ADV (SEC/IAPD) ↗