DFX Intelligence

RIA Intelligence

Registered investment advisers, the advisors registered through them, the capital they report, the private vehicles they run and the people who own them, as a graph with a filing date behind every number. RAUM is what the adviser filed, a move is two registration dates, and a class is a rule you can read.

SEC-registered adviser

Great Mountain Partners

Asset manager (funds and pooled vehicles)New Haven, ConnecticutCRD 309528SEC 801-119799websiteIAPD
Legal name Great Mountain Partners LLC
Latest filing Mar 27, 2026
First filing on the tape Oct 14, 2020 · 13 filings
SEC status approved since Nov 13, 2020
RAUM
$14B
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
0.0%
$0 individuals and HNW
Advisors
0
registered through the firm on IAPD
RAUM per advisor
n/a
derived; firm RAUM over IAPD count
Employees
17
10 advisory (5.B.1)
Offices
1
beyond the principal office
Private funds
11
reported on Schedule D
History
13 filings and snapshots on the tape
RAUM$14B as of Mar 27, 2026
Mar 30, 2021$5.2B then
HNW client RAUM: no history
State-registered IARs (5.B.3)0 as of Mar 27, 2026
Mar 30, 20210 then
Employees (5.A)17 as of Mar 27, 2026
Mar 30, 20215 then
Private funds11 as of Mar 27, 2026
Mar 30, 20214 then
RAUM +25% over the last fiscal year+17% a year over threeIARs 0 to 0offices 0 to 1
Practice profile
derived from the filing of Mar 27, 2026; every figure names its basis
RAUM per advisor
unknownderivedRAUM over IAPD advisors; not a book size
Clients per advisor
unknownderivedindividual and HNW clients (5.D) over advisors
Average HNW client
unknownderivedHNW RAUM over HNW clients
Average account
$1.3BderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
unknownderivedItem 5.A over advisors
Advisors per office
unknownderived2 offices incl. principal (1.F.5)
RAUM growth, one year
+25%derivedbetween the last two annual amendments
Advisor growth, one year
unknownderivedItem 5.B.3 between annual amendments
Client growth, one year
unknownderived
Compensation
percentage of assets, performance-basedreportedItem 5.E
Advisory activities
portfolio management for pooled vehiclesreportedItem 5.G
Ownership
no PE, bank or public-company owner found on Schedule Aderived
Advisor book size
not public; not estimatedreported
Also answered yes on Form ADV
  • has discretionary authority over which securities are bought or sold (8.C.1)
  • a related person has custody of client cash (9.B.1.a)
  • a related person has custody of client securities (9.B.1.b)
  • marketing includes hypothetical performance (5.L.3)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Pooled investment vehicles$14B100%
Individual clients
n/areported
HNW clients
n/areported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
11reported
Financial planning clients
reported
Wrap fee programs
noreported
Custody of client assets
noreported
Compensation
% of AUM, performancereported
Class basis
private_client_share=0.0 fund_share=1.0 institutional_share=0.0 related_bd=false related_bank=true bd_reps=0.0derived
Advisors registered through the firm
0 on IAPD today, longest tenure first
No representative is registered through this CRD on IAPD.
Advisor movement
Left, latest
none on the tape
    Joined, latest
    none on the tape
      Private funds
      9 reported on Schedule D 7.B.(1)
      FundTypeGross assetsOwnersFirst reported
      Axton Holdings, LLCPrivate Equity Fund$3.8B8Oct 14, 2020
      Green Range Funds, LLCPrivate Equity Fund$3.6B2Mar 31, 2023
      Blue Range Funds LLCPrivate Equity Fund$1.1B2Mar 31, 2023
      Energy Transition Holdings LLCPrivate Equity Fund$967M2Oct 14, 2020
      Castle Credit Smrs Holdings, LLCPrivate Equity Fund$396M7Oct 14, 2020
      Nyanza LLC - Series IIPrivate Equity Fund$293M3Mar 30, 2022
      Smrs Samsara Portfolio LLCPrivate Equity Fund$204M2Mar 26, 2024
      Blue Peak Holdings, LLCPrivate Equity Fund$201M2Mar 31, 2023
      Golden Bell Azalea, LLCPrivate Equity Fund$02Mar 30, 2021
      Owners and control persons
      Schedule A and B, latest filing
      • Peter Jonathan Rotolo · Manager And Membercontrol
        since 03/2020 · owns 50% to 75%
      • David Gregory Smith · Chief Compliance Officercontrol
        since 09/2020 · owns less than 5%
      • Thurlow Alexander Thomson · Manager And Membercontrol
        since 03/2020 · owns 50% to 75%
      • Daniel Ethan Tyminski · Chief Financial Officercontrol
        since 08/2020 · owns less than 5%
      Related persons
      Schedule D 7.A
      No related person reported.
      Offices
      Schedule D 1.F, the 25 largest
      No branch office listed.
      What changed
      consecutive filings, newest first
      • Accounts · 10 to 11
        Jun 2, 2025 to Mar 27, 2026
      • Pooled vehicle clients · 10 to 11
        Jun 2, 2025 to Mar 27, 2026
      • Private funds · 9 to 11
        Jun 2, 2025 to Mar 27, 2026
      • Discretionary RAUM · $11B to $14B
        Jun 2, 2025 to Mar 27, 2026
      • Pooled vehicle RAUM · $11B to $14B
        Jun 2, 2025 to Mar 27, 2026
      • RAUM · $11B to $14B
        Jun 2, 2025 to Mar 27, 2026
      • Financial planning clients · unset to
        Mar 28, 2025 to Jun 2, 2025
      • Other offices · 0 to 1
        Mar 28, 2025 to Jun 2, 2025
      • Employees · 15 to 17
        May 20, 2024 to Mar 28, 2025
      • Discretionary RAUM · $11B to $11B
        May 20, 2024 to Mar 28, 2025
      • Pooled vehicle RAUM · $11B to $11B
        May 20, 2024 to Mar 28, 2025
      • RAUM · $11B to $11B
        May 20, 2024 to Mar 28, 2025
      • Advisory employees · 8 to 10
        Jul 13, 2023 to Mar 26, 2024
      • Employees · 11 to 15
        Jul 13, 2023 to Mar 26, 2024
      • Private funds · 8 to 9
        Jul 13, 2023 to Mar 26, 2024
      • Discretionary RAUM · $8.9B to $11B
        Jul 13, 2023 to Mar 26, 2024
      • Pooled vehicle RAUM · $8.9B to $11B
        Jul 13, 2023 to Mar 26, 2024
      • RAUM · $8.9B to $11B
        Jul 13, 2023 to Mar 26, 2024
      • Related bank · false to true
        Jul 13, 2023 to Mar 26, 2024
      • Accounts · 5 to 10
        Jun 8, 2022 to Mar 31, 2023
      • Advisory employees · 4 to 8
        Jun 8, 2022 to Mar 31, 2023
      • BD registered reps · 2 to 0
        Jun 8, 2022 to Mar 31, 2023
      • Pooled vehicle clients · 5 to 10
        Jun 8, 2022 to Mar 31, 2023
      • Employees · 7 to 11
        Jun 8, 2022 to Mar 31, 2023
      • Private funds · 5 to 8
        Jun 8, 2022 to Mar 31, 2023
      • Discretionary RAUM · $5.4B to $8.9B
        Jun 8, 2022 to Mar 31, 2023
      • Pooled vehicle RAUM · $5.4B to $8.9B
        Jun 8, 2022 to Mar 31, 2023
      • RAUM · $5.4B to $8.9B
        Jun 8, 2022 to Mar 31, 2023
      • BD registered reps · 1 to 2
        Jul 23, 2021 to Mar 30, 2022
      • Accounts · 4 to 5
        Jul 23, 2021 to Mar 30, 2022
      • Advisory employees · 3 to 4
        Jul 23, 2021 to Mar 30, 2022
      • Pooled vehicle clients · 4 to 5
        Jul 23, 2021 to Mar 30, 2022
      • Employees · 5 to 7
        Jul 23, 2021 to Mar 30, 2022
      • HQ city · NORFOLK to NEW HAVEN
        Jul 23, 2021 to Mar 30, 2022
      • Private funds · 4 to 5
        Jul 23, 2021 to Mar 30, 2022
      • Discretionary RAUM · $5.2B to $5.4B
        Jul 23, 2021 to Mar 30, 2022
      • Pooled vehicle RAUM · $5.2B to $5.4B
        Jul 23, 2021 to Mar 30, 2022
      • RAUM · $5.2B to $5.4B
        Jul 23, 2021 to Mar 30, 2022
      • Accounts · 3 to 4
        Oct 14, 2020 to Mar 30, 2021
      • BD registered reps · 0 to 1
        Oct 14, 2020 to Mar 30, 2021
      Signals
      4 dated events
      • Great Mountain Partners reported RAUM $8.9B, up 64% from $5.4B (2022-06-08 to 2023-03-31)
        Mar 31, 2023 · RAUM change · derived
      • Great Mountain Partners reported RAUM $5.2B, up 52% from $3.4B (2020-10-14 to 2021-03-30)
        Mar 30, 2021 · RAUM change · derived
      • Daniel Ethan Tyminski (Vp Of Finance) appeared on Schedule A of Great Mountain Partners
        Mar 30, 2021 · Control person joined · fact
      • Great Mountain Partners filed its initial SEC registration (Form ADV)
        Oct 14, 2020 · First SEC registration · fact
      Across DFX
      shared identifiers only, never a name match
      How to reach
      public business contact points only, each with its source
      Firm profile
      linkedin.com/company/great-mountain-partnersreportedpublic record, Form ADV, Sep 17, 2026
      Website
      gmp.llcreportedpublic record, Form ADV, Sep 17, 2026
      Principal office phone
      203.993.6149reportedpublic record, Form ADV, Mar 27, 2026
      Provenance
      Form ADV
      SEC filing data 2011 to 2024 and the monthly roster 2025 onreportedadviserinfo.sec.gov
      Advisors
      IAPD individual compilation feed, dailyreportedadviserinfo.sec.gov
      Class
      Asset manager (funds and pooled vehicles)deriveda rule over Items 5.D and 7.A
      RAUM per advisor
      n/aderivedfirm RAUM over the IAPD count; not a book size
      Loaded
      Sep 14, 2026