Firm profile

Cheyne Capital Management (UK) LLP

LONDON, United KingdomCRD 158991Registration Status: ApprovedEffective since July 19, 2013SEC # 801-78313Latest ADV June 3, 2026

Cheyne Capital Management (Uk) Llp is an SEC registered investment adviser organized as a limited liability partnership with a primary office location in London, United Kingdom. Its latest Form ADV filing, dated June 3, 2026, reports $39.9B in regulatory assets under management, 152 employees, 1 office, and 49 accounts.

Assets Under Management
$39.9B
Employees
152
Offices
1 office
Total Clients
49

Associated firm names

1 name listed
  • CHEYNE CAPITAL MANAGEMENT (UK) LLP

Leadership

3 roles identified
CEOJonathan H. Lourie
CCOPeter C. Head
COOSean Macdonald

Advisory services offered

1 types reported
Portfolio management for pooled investment vehicles

Fee models offered

2 types reported
Asset based fees
Performance-based fees

Offices & Contact

Primary office

LONDON, United Kingdom

Loading map…

Primary office regionOther reported regions

Shading shows states and countries with reported offices. Cities are listed below; shading does not indicate service coverage.

United Kingdom

LONDONPrimary office

1 office records listed · 1 total offices reported. Counts can use different reporting dates. SEC filers may list only their largest 25 additional offices.

Contact and digital presence

ADV profile links

Regulatory Assets Under Management Breakdown

Total regulatory assets under management$39.9Bas of June 3, 2026
Discretionary100.0%
$39.9B
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 segmentPooled Investment Vehicles represent 69.4% of total clients.
Top client categories% of clientsClients
1
Pooled Investment Vehicles
69.4%
34
2
MANAGED ACCOUNTS
30.6%
15

Assets under management Growth by Quarter

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

Total AUM$39.9B
Total Accounts49
10Y AUM Change+$26.0B (+186.3%)

Private Funds

Private funds reported by Cheyne Capital Management (UK) LLP

Loading private fund disclosures…

Employee Growth by Quarter

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

Total Employees152
Clients per Employee0:1
10Y Employee Change+25 (+19.7%)

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%
CHEYNE CAPITAL MANAGEMENT LIMITEDDirect owner · Schedule AInterest in CHEYNE CAPITAL MANAGEMENT (UK) LLP
75%+
STUART CHAPIN FIERTZDirect owner · Schedule AInterest in CHEYNE CAPITAL MANAGEMENT (UK) LLP
< 5%
JONATHAN HARRY LOURIEDirect owner · Schedule AInterest in CHEYNE CAPITAL MANAGEMENT (UK) LLP
< 5%
PETER CHARLES HEADDirect owner · Schedule AInterest in CHEYNE CAPITAL MANAGEMENT (UK) LLP
< 5%
SANDRA WITTMANNDirect owner · Schedule AInterest in CHEYNE CAPITAL MANAGEMENT (UK) LLP
< 5%
SEAN MACDONALDDirect owner · Schedule AInterest in CHEYNE CAPITAL MANAGEMENT (UK) LLP
< 5%
DAVID D'NETTODirect owner · Schedule AInterest in CHEYNE CAPITAL MANAGEMENT (UK) LLP
< 5%
DONNA PHLORADirect owner · Schedule AInterest in CHEYNE CAPITAL MANAGEMENT (UK) LLP
< 5%
CHEYNE CAPITAL HOLDINGS LIMITEDIndirect owner · Schedule BInterest in CHEYNE CAPITAL MANAGEMENT LIMITED
75%+
JALNER INTERNATIONAL LIMITEDIndirect owner · Schedule BInterest in CHEYNE CAPITAL HOLDINGS LIMITED
75%+
GALILEE TRUSTIndirect owner · Schedule BInterest in JALNER INTERNATIONAL LIMITED
75%+
NOVATRUST LIMITEDIndirect owner · Schedule BInterest in GALILEE TRUST
75%+
STONEHAGE FINANCIAL SERVICES LIMITEDIndirect owner · Schedule BInterest in NOVATRUST LIMITED
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 Cheyne Capital Management (UK) LLP.

Reported ownership and control details

Form ADV · Filing date 2026-06-03 · Schedules A and B

13 entries
#Owner / person & roleInterest in entityReported interestControl personTitle / status acquiredSource
1STUART CHAPIN FIERTZLIMITED PARTNER, PRESIDENT & DIRECTOR OF RESEARCHIndividualCHEYNE CAPITAL MANAGEMENT (UK) LLPLess than 5%Code NAYesLIMITED PARTNER, PRESIDENT & DIRECTOR OF RESEARCH12/1999Schedule APDF page 138
2JONATHAN HARRY LOURIELIMITED PARTNER, CHIEF EXECUTIVE OFFICERIndividualCHEYNE CAPITAL MANAGEMENT (UK) LLPLess than 5%Code NAYesLIMITED PARTNER, CHIEF EXECUTIVE OFFICER12/1999Schedule APDF page 138
3PETER CHARLES HEADLIMITED PARTNER, CHIEF COMPLIANCE OFFICERIndividualCHEYNE CAPITAL MANAGEMENT (UK) LLPLess than 5%Code NAYesLIMITED PARTNER, CHIEF COMPLIANCE OFFICER08/2010Schedule APDF page 138
4CHEYNE CAPITAL MANAGEMENT LIMITEDGENERAL PARTNER & PARENTForeign entityCHEYNE CAPITAL MANAGEMENT (UK) LLP75% or moreCode EYesGENERAL PARTNER & PARENT01/2007Schedule APDF page 139
5SANDRA WITTMANNLIMITED PARTNER, GENERAL COUNSELIndividualCHEYNE CAPITAL MANAGEMENT (UK) LLPLess than 5%Code NAYesLIMITED PARTNER, GENERAL COUNSEL01/2018Schedule APDF page 139
6SEAN MACDONALDLIMITED PARTNER, CHIEF OPERATING OFFICERIndividualCHEYNE CAPITAL MANAGEMENT (UK) LLPLess than 5%Code NAYesLIMITED PARTNER, CHIEF OPERATING OFFICER04/2020Schedule APDF page 139
7DAVID D'NETTOLIMITED PARTNER, CHIEF FINANCE OFFICERIndividualCHEYNE CAPITAL MANAGEMENT (UK) LLPLess than 5%Code NAYesLIMITED PARTNER, CHIEF FINANCE OFFICER09/2025Schedule APDF page 139
8DONNA PHLORALIMITED PARTNER, HEAD OF BUSINESS DEVELOPMENTIndividualCHEYNE CAPITAL MANAGEMENT (UK) LLPLess than 5%Code NAYesLIMITED PARTNER, HEAD OF BUSINESS DEVELOPMENT06/2024Schedule APDF page 139
9CHEYNE CAPITAL HOLDINGS LIMITEDSHAREHOLDERForeign entityCHEYNE CAPITAL MANAGEMENT LIMITED75% or moreCode EYesSHAREHOLDER03/2006Schedule BPDF page 139
10JALNER INTERNATIONAL LIMITEDSHAREHOLDERForeign entityCHEYNE CAPITAL HOLDINGS LIMITED75% or moreCode EYesSHAREHOLDER12/1999Schedule BPDF page 139
11GALILEE TRUSTSHAREHOLDERForeign entityJALNER INTERNATIONAL LIMITED75% or moreCode EYesSHAREHOLDER12/1999Schedule BPDF page 139
12NOVATRUST LIMITEDTRUSTEEForeign entityGALILEE TRUST75% or moreCode EYesTRUSTEE03/2006Schedule BPDF page 139
13STONEHAGE FINANCIAL SERVICES LIMITEDSHAREHOLDERForeign entityNOVATRUST LIMITED75% or moreCode EYesSHAREHOLDER03/2006Schedule BPDF page 139

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 6/3/2026 10:10:10 AM

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.