{"url":"https://nivawealth.com/firms/prometheus-wealth-management-sam-332503","iapdUrl":"https://adviserinfo.sec.gov/firm/summary/332503","regulatoryAum":1243311098,"crd":"332503","history":[{"filedOn":"2025-02-19","regulatoryAum":949996894,"clients":128,"employees":9,"offices":1},{"filedOn":"2026-03-05","regulatoryAum":1243311098,"clients":149,"employees":9,"offices":1}],"secFileNumber":"801-131820","legalName":"Prometheus Wealth Management Sam","displayName":"Prometheus Wealth Management SAM","slug":"prometheus-wealth-management-sam-332503","website":"https://prometheus-wm.com/","classification":{"segment":"individuals","segmentLabel":"Wealth management","type":"independent_wealth_manager","typeLabel":"RIA","feeDisclosure":"full"},"linkedinUrl":"https://www.linkedin.com/company/prometheus-wm/posts/?feedView=all","founded":null,"organization":"other (specify) organized in Monaco","fiscalYearEnd":"December","headquarters":{"street":"24 Boulevard Princesse 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Baer","location":"Monaco","smaAssets":288495822},{"name":"Edmond De Rothschild","shortName":"Edmond De Rothschild","location":"Monaco","smaAssets":346161944},{"name":"UBS","shortName":"UBS","location":"Monaco","smaAssets":405202055}],"custodyNote":"Prometheus Wealth Management SAM does not have custody of client assets.","otherCustodians":[],"leadership":[{"name":"Marilena Costanza","title":"Chief Compliance Officer","crd":"7979068"},{"name":"Cyrille Boyer","title":"Chief Investment Officer","crd":"7979064"},{"name":"Frank Ciarapica","title":"Chieffinancial Officer","crd":"7979061"},{"name":"Matthieu Letort","title":"Owner/Managing Partner","crd":"7979056"}],"ownership":[{"label":"Matthieu Letort","detail":"Owner/managing partner in the 25% to 50% ownership band and a control person, since December 2017."},{"label":"H2o Monaco","detail":"Owner in the 50% to 75% ownership band and a control person, since December 2017."},{"label":"H2o AM Holding Sa","detail":"Indirect owner: a owner of H2o Monaco in the 50% to 75% band and a control person, since July 2010.","parent":"H2o Monaco"}],"branchOffices":null,"filedOffices":{"otherThanPrincipal":0,"privateResidences":0},"listedOfficeAddresses":1,"foreignOffices":[],"officesByState":[],"advFacts":{"source":{"file":"ia100226.zip","asOf":"2 October 2026"},"telephone":"0037799997575","stateRegisteredReps":0,"otherAdviserReps":0,"compensation":["A percentage of assets under management","Commissions","Performance-based fees"],"activities":["Portfolio management for individuals and/or small businesses","Selection of other advisers (including private fund managers)"],"financialPlanningClients":null,"assetMix":[{"label":"Exchange-traded equity securities","percent":45},{"label":"Sovereign bonds","percent":1},{"label":"Investment grade corporate bonds","percent":1},{"label":"Non-investment grade corporate bonds","percent":1},{"label":"Derivatives","percent":5},{"label":"Securities issued by pooled investment vehicles (other than registered investment companies)","percent":44},{"label":"Cash and cash equivalents","percent":3}],"privateFunds":0},"sources":{"adv1FilingDate":"5 March 2026","adv1Url":"https://reports.adviserinfo.sec.gov/reports/ADV/332503/PDF/332503.pdf","brochureDate":"5 March 2026","brochureUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1014791","iapdCompiledDate":null,"retrievedDate":"15 October 2026","retrievedOn":"2026-10-15","updatedOn":"2026-10-22","holdingsUpdatedOn":"2026-10-21","adv1Pages":{},"brochurePages":{}},"otherBusiness":[],"faq":[{"question":"How many clients does Prometheus Wealth Management SAM have?","answer":"Prometheus Wealth Management SAM has 149 clients and manages $1.24 billion for them, as of March 2026. They include 70 high-net-worth individuals, 58 individual clients, and 13 corporations and other businesses.","source":"Form ADV Part 1A, Items 5.D and 5.F, filed 5 March 2026","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What services does Prometheus Wealth Management SAM offer?","answer":"Prometheus Wealth Management SAM provides portfolio management for individuals and small businesses and selecting other managers.","source":"Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"How much does Prometheus Wealth Management SAM charge?","answer":"Prometheus Wealth Management SAM charges 0.75%–1.25% a year for its Discretionary asset management. The fee is billed in arrears and is negotiable.","source":"PROMETHEUS_WM_ADV_PART 2A_V03-2026, filed 5 March 2026","sourceRef":{"doc":"brochure","section":"fees"}},{"question":"Which custodians does Prometheus Wealth Management SAM use?","answer":"Prometheus Wealth Management SAM’s separately managed account assets are held at UBS (Monaco), with $405M, Edmond De Rothschild (Monaco), with $346M and Julius Baer (Monaco), with $288M. Only custodians holding at least a tenth of those assets are named.","source":"Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 5 March 2026","sourceRef":{"doc":"adv1","section":"custodians"}},{"question":"How many financial advisors does Prometheus Wealth Management SAM have?","answer":"Prometheus Wealth Management SAM has 0 investment adviser representatives registered with state securities authorities, out of 9 employees, and 6 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.","source":"Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What does Prometheus Wealth Management SAM invest in?","answer":"At the end of its last fiscal year, Prometheus Wealth Management SAM’s separately managed accounts held 45% exchange-traded equities, 44% pooled vehicles (private funds and similar), 5% derivatives, 3% cash and equivalents, 1% sovereign bonds, 1% investment grade corporate bonds and 1% high-yield corporate bonds.","source":"Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"Who owns Prometheus Wealth Management SAM?","answer":"Prometheus Wealth Management SAM is owned through a holding company by H2o AM Holding Sa. Its direct owners are Matthieu Letort (25% to 50%) and H2o Monaco (50% to 75%).","source":"Form ADV Part 1A, Schedules A and B, filed 5 March 2026","sourceRef":{"doc":"adv1","section":"scheduleA"}},{"question":"How does Prometheus Wealth Management SAM get paid?","answer":"Prometheus Wealth Management SAM is paid through a percentage of assets under management, commissions and performance-based fees.","source":"Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"How do I contact Prometheus Wealth Management SAM?","answer":"Prometheus Wealth Management SAM’s main office is at 24 Boulevard Princesse Charlotte, Monaco 98000. Its phone number is 0037799997575. Its website is prometheus-wm.com.","source":"Form ADV Part 1A, Item 1.F, filed 5 March 2026","sourceRef":{"doc":"adv1","section":"offices"}}],"holdings":null,"notice":"Compiled from public SEC Form ADV filings on the dates in `sources`. Facts as filed; not a rating, ranking, or recommendation. Niva is not affiliated with this firm. Disciplinary history is deliberately not included here or on the page; the SEC publishes the complete record at the `iapdUrl` above."}