Firm profile

Flowstone Partners, LLC

CRD 301768Registration Status: ApprovedEffective since May 3, 2019SEC # 801-115230Latest ADV July 7, 2026

Flowstone Partners, LLC is an SEC registered investment adviser organized as a limited liability company. Its latest Form ADV filing, dated July 7, 2026, reports $767M in regulatory assets under management, 7 employees, 2 offices, and 1 account.

Assets Under Management
$767M
Employees
7
Offices
2 offices
Total Clients
<5

Associated firm names

1 name listed
  • FLOWSTONE PARTNERS, LLC

Leadership

2 roles identified
CCOSuzette S. Hagan
CFOKlotilda Malko

Advisory services offered

1 types reported
Portfolio management for investment companies

Fee models offered

2 types reported
Asset based fees
Performance-based fees

Offices & Contact

Primary office

Not reported

Additional office locations have not been imported yet.

Contact and digital presence

ADV profile links

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$767Mas of July 7, 2026
Discretionary100.0%
$767M
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.

Client Coverage Demographics

Top client segmentInvestment Cos. represent 100.0% of total clients.
Top client categories% of clientsClients
1
Investment Cos.
100.0%
1

Assets under management Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total AUM$767M
Total Accounts1
10Y AUM Change+$767M

Private Funds

Private funds reported by Flowstone Partners, LLC

Loading private fund disclosures…

Employee Growth by Quarter

Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.

Total Employees7
Clients per Employee0:1
10Y Employee Change0 (0.0%)

Historical AUM and employee figures reflect available SEC Form ADV filings under this CRD. Filing gaps may reflect registration status changes, dormant periods, state registration periods, firm restructuring, or other reporting changes. Rialytix does not interpolate missing periods.


Ownership

Reported direct and indirect ownership ranges

Each range applies to a separate reported relationship and should not be added together.

Reported ownership ranges

Highlighted bands show the percentage range reported in Form ADV.

0%25%50%75%100%
TOWERS WATSON INVESTMENT SERVICES, INC.Direct owner · Schedule AInterest in FLOWSTONE PARTNERS, LLC
75%+
FLOWSTONE INVESTORS, LLCDirect owner · Schedule AInterest in FLOWSTONE PARTNERS, LLC
50% to < 75%
WILLIS TOWERS WATSON US LLCIndirect owner · Schedule BInterest in TOWERS WATSON INVESTMENT SERVICES, INC.
75%+
TOWERS WATSON DELAWARE HOLDINGS LLCIndirect owner · Schedule BInterest in WILLIS TOWERS WATSON US LLC
75%+
WILLIS US HOLDING COMPANY, LLC (US- DE)Indirect owner · Schedule BInterest in TOWERS WATSON DELAWARE HOLDINGS LLC
75%+
WILLIS NORTH AMERICA, INC. (US- DE)Indirect owner · Schedule BInterest in WILLIS US HOLDING COMPANY, LLC (US- DE)
75%+
WILLIS GROUP LIMITED (UK)Indirect owner · Schedule BInterest in WILLIS NORTH AMERICA, INC. (US- DE)
75%+
TRINITY ACQUISITION PLC (UK)Indirect owner · Schedule BInterest in WILLIS GROUP LIMITED (UK)
75%+
WILLIS INVESTMENT U.K. HOLDINGS LIMITED (UK)Indirect owner · Schedule BInterest in TRINITY ACQUISITION PLC (UK)
75%+
WILLIS TOWERS WATSON SUB HOLDINGS UNLIMITED COMPANY (IRELAND)Indirect owner · Schedule BInterest in WILLIS INVESTMENT U.K. HOLDINGS LIMITED (UK)
75%+
WILLIS TOWERS WATSON PUBLIC LIMITED COMPANY (IRELAND)Indirect owner · Schedule BInterest in WILLIS TOWERS WATSON SUB HOLDINGS UNLIMITED COMPANY (IRELAND)
75%+

Bars represent the reported range at that individual ownership step, not an estimated percentage of the advisory firm. Indirect relationships may refer to intermediate entities rather than directly to Flowstone Partners, LLC.

Reported ownership and control details

Form ADV · Filing date 2026-07-07 · Schedules A and B

15 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1FLOWSTONE INVESTORS, LLCMANAGING MEMBER/HOLDING COMPANYDomestic entityFLOWSTONE PARTNERS, LLC50% to less than 75%Code DNoMANAGING MEMBER/HOLDING COMPANY03/2019Schedule APDF page 25
2TOWERS WATSON INVESTMENT SERVICES, INC.OWNERForeign entityFLOWSTONE PARTNERS, LLC75% or moreCode EYesOWNER04/2026Schedule APDF page 26
3NIMISHA SRIVASTAVAPRESIDENT; BOARD DIRECTORIndividualFLOWSTONE PARTNERS, LLCLess than 5%Code NAYesPRESIDENT; BOARD DIRECTOR04/2026Schedule APDF page 26
4ADINA C DAVISSECRETARYIndividualFLOWSTONE PARTNERS, LLCLess than 5%Code NAYesSECRETARY04/2026Schedule APDF page 26
5KLOTILDA MALKOTREASURER/CHIEF FINANCIAL OFFICERIndividualFLOWSTONE PARTNERS, LLCLess than 5%Code NAYesTREASURER/CHIEF FINANCIAL OFFICER04/2026Schedule APDF page 26
6SUZETTE SALES HAGANCHIEF COMPLIANCE OFFICERIndividualFLOWSTONE PARTNERS, LLCLess than 5%Code NANoCHIEF COMPLIANCE OFFICER05/2026Schedule APDF page 26
7WILLIS TOWERS WATSON US LLCOWNERDomestic entityTOWERS WATSON INVESTMENT SERVICES, INC.75% or moreCode EYesOWNER04/2026Schedule BPDF page 26
8TOWERS WATSON DELAWARE HOLDINGS LLCOWNERDomestic entityWILLIS TOWERS WATSON US LLC75% or moreCode EYesOWNER01/2000Schedule BPDF page 26
9WILLIS US HOLDING COMPANY, LLC (US- DE)OWNERDomestic entityTOWERS WATSON DELAWARE HOLDINGS LLC75% or moreCode EYesOWNER01/2016Schedule BPDF page 26
10WILLIS NORTH AMERICA, INC. (US- DE)OWNERDomestic entityWILLIS US HOLDING COMPANY, LLC (US- DE)75% or moreCode EYesOWNER01/2016Schedule BPDF page 26
11WILLIS GROUP LIMITED (UK)OWNERForeign entityWILLIS NORTH AMERICA, INC. (US- DE)75% or moreCode EYesOWNER01/2016Schedule BPDF page 26
12TRINITY ACQUISITION PLC (UK)OWNERForeign entityWILLIS GROUP LIMITED (UK)75% or moreCode EYesOWNER01/2016Schedule BPDF page 26
13WILLIS INVESTMENT U.K. HOLDINGS LIMITED (UK)OWNERForeign entityTRINITY ACQUISITION PLC (UK)75% or moreCode EYesOWNER01/2016Schedule BPDF page 26
14WILLIS TOWERS WATSON SUB HOLDINGS UNLIMITED COMPANY (IRELAND)OWNERForeign entityWILLIS INVESTMENT U.K. HOLDINGS LIMITED (UK)75% or moreCode EYesOWNER01/2016Schedule BPDF page 26
15WILLIS TOWERS WATSON PUBLIC LIMITED COMPANY (IRELAND)OWNERForeign entityWILLIS TOWERS WATSON SUB HOLDINGS UNLIMITED COMPANY (IRELAND)75% or moreCode EYesOWNER01/2016Schedule BPDF page 26

Less than 5% may include zero. Code F identifies a role without specifying a percentage. Reported interests may overlap and may not include every owner. Total indirect ownership is not calculated.

Compliance & Disclosures

Filing dated 7/7/2026 10:37:58 PM

Responses were selected by the RIA in its filing. Questions are shortened for readability; “you” refers to the reporting firm, and some questions also cover advisory affiliates.

RIA or supervised-person involvementThe RIA reported that none of the events below involve the firm or its supervised persons.RIA responseNo
AFelonies2 No

In the past ten years, have you or any advisory affiliate:

  • A1Been convicted of or pleaded guilty or no contest to a felony?No
  • A2Been charged with a felony?No
BMisdemeanors2 No

In the past ten years, have you or any advisory affiliate:

  • B1Been convicted of or pleaded guilty or no contest to a misdemeanor involving investments, an investment-related business, fraud, false statements or omissions, wrongful taking of property, bribery, perjury, forgery, counterfeiting, or extortion?No
  • B2Been charged with a misdemeanor of the kind listed above?No
CSEC or CFTC actions5 No

Has the SEC or CFTC ever:

  • C1Found you or an advisory affiliate made a false statement or omission?No
  • C2Found you or an advisory affiliate violated SEC or CFTC regulations or statutes?No
  • C3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • C4Entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • C5Imposed a civil money penalty on you or an advisory affiliate, or ordered you or an advisory affiliate to cease and desist from any activity?No
DOther regulatory actions5 No

Has any other federal regulatory agency, state regulatory agency, or foreign financial regulatory authority ever:

  • D1Found you or an advisory affiliate made a false statement or omission, or was dishonest, unfair, or unethical?No
  • D2Found you or an advisory affiliate violated investment-related regulations or statutes?No
  • D3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • D4In the past ten years, entered an order against you or an advisory affiliate in connection with investment-related activity?No
  • D5Denied, suspended, or revoked your or an advisory affiliate’s registration or license, or otherwise prevented association with an investment-related business or restricted activities?No
ESelf-regulatory organization actions4 No

Has a self-regulatory organization or commodities exchange ever:

  • E1Found you or an advisory affiliate made a false statement or omission?No
  • E2Found you or an advisory affiliate violated its rules, other than a violation designated as a minor rule violation under an SEC-approved plan?No
  • E3Found you or an advisory affiliate caused an investment-related business to have its authorization to do business denied, suspended, revoked, or restricted?No
  • E4Disciplined you or an advisory affiliate by expulsion, suspension, barring association with other members, or otherwise restricting activities?No
FProfessional authorizations1 No
  • FHas an authorization to act as an attorney, accountant, or federal contractor granted to you or an advisory affiliate ever been revoked or suspended?No
GPending regulatory proceedings1 No
  • GAre you or any advisory affiliate now the subject of a regulatory proceeding that could result in a “Yes” answer to any part of C, D, or E?No
HCivil judicial actions and proceedings4 No

(1) Court actions

Has a domestic or foreign court:

  • H(1)(a)In the past ten years, enjoined you or an advisory affiliate in connection with investment-related activity?No
  • H(1)(b)Found that you or an advisory affiliate violated investment-related statutes or regulations?No
  • H(1)(c)Dismissed, pursuant to a settlement agreement, an investment-related civil action brought against you or an advisory affiliate by a state or foreign financial regulatory authority?No

(2) Pending civil proceedings

  • H(2)Are you or any advisory affiliate now the subject of a civil proceeding that could result in a “Yes” answer to any part of H(1)?No

* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.