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RIA / WealthRegistered adviserasset managerSEC registeredRAUM 10b 100b

GREAT MOUNTAIN PARTNERS

GREAT MOUNTAIN PARTNERS LLC, CRD 309528

NEW HAVEN, CT

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:5a3ba939-7c7f-b476-4dd1-0e9702fc5ae5

Data as of Mar 27, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 5:27 PM UTC and rebuilt at most every 15 minutes.

Relationships: 13
Dated events: 4
On other graphs: 3
Observed: Oct 14, 2020 to Mar 27, 2026
13 observations

Across DFX

same identity by shared identifier, citation, or a bridge measured by hand

Private Equityidentity

Great Mountain Partners

Private equity manager · shared crd

Independent Sponsorsidentity

Great Mountain Partners

Capital provider to sponsors · shared crd

Private Creditidentity

GREAT MOUNTAIN PARTNERS

Private credit manager · shared crd

Facts

fact = as filed or announced; derived = computed by DFX; estimate = a band, never a point

Firm class: asset managerderivedprivate_client_share=0.0 fund_share=1.0 institutional_share=0.0 related_bd=false related_bank=true bd_reps=0.0
Regulatory AUM: $14BItem 5.F on the latest filing (2026-03-27); as reported, and an affiliate's assets may be counted again on its own filing
Discretionary RAUM: $14B
Private client RAUM: $0derivedItem 5.D individuals plus high net worth individuals
Private client share: 0%derivedprivate client RAUM over total RAUM
Advisors on IAPD: 0
Employees: 17
Advisory employees: 10
Offices: 1Schedule D 1.F, beyond the principal office
Accounts: 11
Private funds: 11Schedule D 7.B(1)
SEC number: 801-119799
CRD: 309528
Filings on the tape: 13
First filed: Oct 14, 2020
Latest filed: Mar 27, 2026
Organised: Limited Liability Company, DE

Private funds

Schedule D 7.B(1); gross asset value as reported, never fund size; reporting ends 2024-12-31

Fund	Type	Reported GAV	As of	Owners	First reported	Status	Form D file
AXTON HOLDINGS, LLC	Private Equity Fund	$3.8B	May 20, 2024	8	Oct 14, 2020	reported	n/a
GREEN RANGE FUNDS, LLC	Private Equity Fund	$3.6B	May 20, 2024	2	Mar 31, 2023	reported	n/a
BLUE RANGE FUNDS LLC	Private Equity Fund	$1.1B	May 20, 2024	2	Mar 31, 2023	reported	n/a
ENERGY TRANSITION HOLDINGS LLC	Private Equity Fund	$967M	May 20, 2024	2	Oct 14, 2020	reported	n/a
CASTLE CREDIT SMRS HOLDINGS, LLC	Private Equity Fund	$396M	May 20, 2024	7	Oct 14, 2020	reported	n/a
NYANZA LLC - SERIES II	Private Equity Fund	$293M	May 20, 2024	3	Mar 30, 2022	reported	n/a
SMRS SAMSARA PORTFOLIO LLC	Private Equity Fund	$204M	May 20, 2024	2	Mar 26, 2024	reported	n/a
BLUE PEAK HOLDINGS, LLC	Private Equity Fund	$201M	May 20, 2024	2	Mar 31, 2023	reported	n/a
GOLDEN BELL AZALEA, LLC	Private Equity Fund	$0	May 20, 2024	2	Mar 30, 2021	reported	n/a

Owners and control persons

Schedule A and B as filed; ownership codes are the form's bands (NA under 5%, A 5 to 10%, B 10 to 25%, C 25 to 50%, D 50 to 75%, E over 75%); people are listed as filed and never merged by name

Owner	Title	Ownership code	Control person	Acquired	First seen	Last seen
ROTOLO, JONATHAN, PETER	MANAGER AND MEMBER	D	yes	03/2020	Oct 14, 2020	May 20, 2024
SMITH, GREGORY, DAVID	CHIEF COMPLIANCE OFFICER	Na	yes	09/2020	Oct 14, 2020	May 20, 2024
THOMSON, ALEXANDER, THURLOW	MANAGER AND MEMBER	D	yes	03/2020	Oct 14, 2020	May 20, 2024
TYMINSKI, ETHAN, DANIEL	CHIEF FINANCIAL OFFICER	Na	yes	08/2020	Mar 30, 2021	May 20, 2024

Regulatory AUM by fiscal year

annual amendments (and the roster's annual snapshot) as filed; where a year was amended twice the later filing draws the line

Fiscal year	Filed	RAUM	Discretionary	Employees	Advisory staff	Offices	Private funds	Fund GAV
2025	Mar 27, 2026	$14B	$14B	17	10	1	11	n/a
2024	Mar 28, 2025	$11B	$11B	17	10	0	9	n/a
2023	Mar 26, 2024	$11B	$11B	15	10	0	9	$11B
2022	Mar 31, 2023	$8.9B	$8.9B	11	8	0	8	$8.9B
2021	Mar 30, 2022	$5.4B	$5.4B	7	4	0	5	$5.4B
2020	Mar 30, 2021	$5.2B	$5.2B	5	3	0	4	$5.2B

Growth

derived from consecutive annual filings; RAUM as reported

Latest fiscal year	RAUM	A year earlier	1y change	Three years earlier	3y CAGR	Employees	A year earlier	Offices	A year earlier
2025	$14B	$11B	24.7%	$8.9B	16.7%	17	17	1	0

Relationships

Advises (9)

→ AXTON HOLDINGS, LLCPrivate fundPrivate Equity Fund, IA
Oct 14, 2020 to presentfactForm ADV
→ CASTLE CREDIT SMRS HOLDINGS, LLCPrivate fundPrivate Equity Fund, IA
Oct 14, 2020 to presentfactForm ADV
→ GOLDEN BELL AZALEA, LLCPrivate fundPrivate Equity Fund, IA
Mar 30, 2021 to presentfactForm ADV
→ GREEN RANGE FUNDS, LLCPrivate fundPrivate Equity Fund, IA
Mar 31, 2023 to presentfactForm ADV
→ BLUE RANGE FUNDS LLCPrivate fundPrivate Equity Fund, IA
Mar 31, 2023 to presentfactForm ADV
→ NYANZA LLC - SERIES IIPrivate fundPrivate Equity Fund, IA
Mar 30, 2022 to presentfactForm ADV
→ ENERGY TRANSITION HOLDINGS LLCPrivate fundPrivate Equity Fund, IA
Oct 14, 2020 to presentfactForm ADV
→ SMRS SAMSARA PORTFOLIO LLCPrivate fundPrivate Equity Fund, IA
Mar 26, 2024 to presentfactForm ADV
→ BLUE PEAK HOLDINGS, LLCPrivate fundPrivate Equity Fund, IA
Mar 31, 2023 to presentfactForm ADV

Controls (4)

← ROTOLO, JONATHAN, PETEROwnerMANAGER AND MEMBER, ownership code D, individual
Oct 14, 2020 to May 20, 2024factForm ADV
← THOMSON, ALEXANDER, THURLOWOwnerMANAGER AND MEMBER, ownership code D, individual
Oct 14, 2020 to May 20, 2024factForm ADV
← SMITH, GREGORY, DAVIDOwnerCHIEF COMPLIANCE OFFICER, ownership code NA, individual
Oct 14, 2020 to May 20, 2024factForm ADV
← TYMINSKI, ETHAN, DANIELOwnerCHIEF FINANCIAL OFFICER, ownership code NA, individual
Mar 30, 2021 to May 20, 2024factForm ADV

Dated events

Occurred
Mar 31, 2023
Regulatory AUM changed
Great Mountain Partners reported RAUM $8.9B, up 64% from $5.4B (2022-06-08 to 2023-03-31)
Form ADVobserved 6 days ago
$3.5B
Occurred
Mar 30, 2021
Regulatory AUM changed
Great Mountain Partners reported RAUM $5.2B, up 52% from $3.4B (2020-10-14 to 2021-03-30)
Form ADVobserved 6 days ago
$1.8B
Occurred
Mar 30, 2021
Control person joined
Daniel Ethan Tyminski (Vp Of Finance) appeared on Schedule A of Great Mountain Partners
Form ADVobserved 6 days ago
Occurred
Oct 14, 2020
First Form ADV filing
Great Mountain Partners filed its initial SEC registration (Form ADV)
Form ADVobserved 6 days ago

Provenance

Graph: RIA / Wealth Management
Canonical id: dfx:ria:5a3ba939-7c7f-b476-4dd1-0e9702fc5ae5
First observed: Oct 14, 2020
Last observed: Mar 27, 2026 5 months ago
Source families: Federal regulator filings
3 registered feeds stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.
Resolution: Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.

GREAT MOUNTAIN PARTNERS

GREAT MOUNTAIN PARTNERS LLC, CRD 309528

NEW HAVEN, CT

This is the graph view. The full profile, with its team, deals and sources, is on RIA / Wealth Management.Open the full profile →

Search this name across graphsid dfx:ria:5a3ba939-7c7f-b476-4dd1-0e9702fc5ae5

Data as of Mar 27, 2026 (this record's last observation) from federal regulator filings. Page built Sep 21, 2026, 5:27 PM UTC and rebuilt at most every 15 minutes.

Fund

Type

Reported GAV

As of

Owners

First reported

Status

Form D file

AXTON HOLDINGS, LLC

Private Equity Fund

$3.8B

May 20, 2024

Oct 14, 2020

reported

n/a

GREEN RANGE FUNDS, LLC

Private Equity Fund

$3.6B

May 20, 2024

Mar 31, 2023

reported

n/a

BLUE RANGE FUNDS LLC

Private Equity Fund

$1.1B

May 20, 2024

Mar 31, 2023

reported

n/a

ENERGY TRANSITION HOLDINGS LLC

Private Equity Fund

$967M

May 20, 2024

Oct 14, 2020

reported

n/a

CASTLE CREDIT SMRS HOLDINGS, LLC

Private Equity Fund

$396M

May 20, 2024

Oct 14, 2020

reported

n/a

NYANZA LLC - SERIES II

Private Equity Fund

$293M

May 20, 2024

Mar 30, 2022

reported

n/a

SMRS SAMSARA PORTFOLIO LLC

Private Equity Fund

$204M

May 20, 2024

Mar 26, 2024

reported

n/a

BLUE PEAK HOLDINGS, LLC

Private Equity Fund

$201M

May 20, 2024

Mar 31, 2023

reported

n/a

GOLDEN BELL AZALEA, LLC

Private Equity Fund

May 20, 2024

Mar 30, 2021

reported

n/a

Owner

Title

Ownership code

Control person

Acquired

First seen

Last seen

ROTOLO, JONATHAN, PETER

MANAGER AND MEMBER

yes

03/2020

Oct 14, 2020

May 20, 2024

SMITH, GREGORY, DAVID

CHIEF COMPLIANCE OFFICER

yes

09/2020

Oct 14, 2020

May 20, 2024

THOMSON, ALEXANDER, THURLOW

MANAGER AND MEMBER

yes

03/2020

Oct 14, 2020

May 20, 2024

TYMINSKI, ETHAN, DANIEL

CHIEF FINANCIAL OFFICER

yes

08/2020

Mar 30, 2021

May 20, 2024

Fiscal year

Filed

RAUM

Discretionary

Employees

Advisory staff

Offices

Private funds

Fund GAV

2025

Mar 27, 2026

$14B

n/a

2024

Mar 28, 2025

$11B

n/a

2023

Mar 26, 2024

$11B

2022

Mar 31, 2023

$8.9B

2021

Mar 30, 2022

$5.4B

2020

Mar 30, 2021

$5.2B

Latest fiscal year

RAUM

A year earlier

1y change

Three years earlier

3y CAGR

Employees

A year earlier

Offices

A year earlier

2025

$14B

$11B

24.7%

$8.9B

16.7%