{"url":"https://nivawealth.com/firms/mayfield-advisors-144072","iapdUrl":"https://adviserinfo.sec.gov/firm/summary/144072","regulatoryAum":143464721,"crd":"144072","adviserRoster":{"asOf":"2026-10-09","items":[{"crd":"5410591","suffix":null,"lastName":"PENG-LEE","firstName":"YU-CHI","middleName":null},{"crd":"5410645","suffix":null,"lastName":"TORRES","firstName":"CHRISTOPHER","middleName":"SANTA MARIA"},{"crd":"5343016","suffix":null,"lastName":"TORRES","firstName":"LAMBERTO","middleName":"DURAN"},{"crd":"6721304","suffix":null,"lastName":"Torres","firstName":"Mark","middleName":"Santa Maria"}],"total":4,"loadedAt":"2026-10-10T00:20:19.761928+00:00","sourceUrl":"https://reports.adviserinfo.sec.gov/reports/CompilationReports/IA_INDVL_Feed_10_09_2026.xml.zip"},"history":[{"filedOn":"2022-07-05","regulatoryAum":121888159,"clients":41,"employees":4,"offices":1},{"filedOn":"2023-07-26","regulatoryAum":105409256,"clients":36,"employees":4,"offices":1},{"filedOn":"2024-03-19","regulatoryAum":120640919,"clients":40,"employees":4,"offices":1},{"filedOn":"2025-03-19","regulatoryAum":126973081,"clients":40,"employees":4,"offices":1},{"filedOn":"2026-03-02","regulatoryAum":143464721,"clients":40,"employees":4,"offices":1}],"secFileNumber":"801-124782","legalName":"Mayfield Advisors, Inc.","displayName":"Mayfield Advisors","slug":"mayfield-advisors-144072","website":"https://mayfieldadvisors.com/","logo":{"src":"https://rmkhnxnbeclogprvkfyl.supabase.co/storage/v1/object/public/firm-logos/144072/f976c1a9afa6533e-r1.webp","tone":"light","width":551,"height":200,"sourceUrl":"https://www.mayfieldadvisors.com/","sourceLabel":"Mayfield Advisors, Inc., website"},"classification":{"segment":"individuals","segmentLabel":"Wealth management","type":"independent_wealth_manager","typeLabel":"RIA","feeDisclosure":"full"},"founded":null,"organization":"California corporation","fiscalYearEnd":"December","headquarters":{"street":"438 Cambridge Avenue, Suite 100","city":"Palo Alto","state":"CA","stateName":"California","country":"United States","postalCode":"94306-1404"},"tradeNames":[],"registration":{"secApproved":"29 April 2022","noticeFilings":null,"latestNoticeFiling":null},"wealthAumPerClient":3697621.552631579,"staff":{"employees":4,"advisory":4,"brokerDealerReps":0,"insuranceAgents":0,"promoters":0},"aum":{"regulatory":143464721,"discretionary":143464721,"discretionaryAccounts":117,"nonDiscretionary":0,"nonDiscretionaryAccounts":0,"wrapProgram":null,"nonUsClientsPct":0,"nonAumClients":0},"clientTypes":[{"label":"Individuals (other than HNW)","clients":15,"regulatoryAum":13592756},{"label":"High-net-worth individuals","clients":23,"regulatoryAum":126916863},{"label":"Pension and profit-sharing plans","clients":1,"fewerThan5":true,"regulatoryAum":1961008},{"label":"Charitable organizations","clients":1,"fewerThan5":true,"regulatoryAum":994094}],"feePrograms":[{"role":"main","program":"Investment management services","feeBasis":"marginal","fee_tiers":[{"to":1000000,"pct":1,"from":0},{"to":3000000,"pct":0.9,"from":1000000},{"to":5000000,"pct":0.8,"from":3000000},{"to":7000000,"pct":0.7,"from":5000000},{"to":null,"pct":0.6,"from":7000000}],"sourceUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1013284","versionId":1013284,"ratePeriod":"annual","fee_billing":"advance","submittedOn":"2026-03-02","documentName":"MAYFIELD ADVISORS, INC. FORM ADV PART 2A","fee_rate_low":0.6,"fee_rate_high":1,"fee_negotiable":true,"minimum_account":null,"feeMinimumPeriod":null,"fee_minimum_annual":null},{"role":"other","program":"Employee benefit 401(k) plan services","summary":"Annual fee on plan assets: 0.80% on the first $1,000,000, 0.50% on the next $4,000,000, 0.30% on the next $5,000,000, 0.20% thereafter; negotiable.","sourceUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1013284","versionId":1013284,"submittedOn":"2026-03-02","documentName":"MAYFIELD ADVISORS, INC. FORM ADV PART 2A"},{"role":"other","program":"Financial planning and consulting","summary":"Fixed fee typically $1,500 to $7,500, or hourly at $150 to $250; minimum annual fee of $500, which may be reduced or waived.","sourceUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1013284","versionId":1013284,"submittedOn":"2026-03-02","documentName":"MAYFIELD ADVISORS, INC. FORM ADV PART 2A"}],"brochureCoverage":{"scope":"sec_inventory","status":"reviewed","checkedAt":"2026-10-22T13:34:53.028471+00:00","documents":[{"name":"MAYFIELD ADVISORS, INC. FORM ADV PART 2A","status":"read","sourceUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1013284","versionId":1013284,"submittedOn":"2026-03-02"}]},"custodians":[{"name":"Charles Schwab & Co., Inc.","shortName":"Charles Schwab","location":"San Francisco, CA","smaAssets":75438214},{"name":"National Financial Services LLC","shortName":"Fidelity","location":"Boston, MA","smaAssets":68026506}],"custodyNote":"Mayfield Advisors has custody of $16.2M in client assets for 4 clients.","otherCustodians":[],"leadership":[{"name":"Lamberto Torres","title":"President, Secretary, Treasurer","crd":"5343016"},{"name":"Mark Torres","title":"Chief Compliance Officer and Advisor","crd":"6721304"}],"ownership":[{"label":"Lamberto Torres","detail":"President, secretary, treasurer in the 75% or more ownership band and a control person, since January 2007."}],"branchOffices":null,"filedOffices":{"otherThanPrincipal":0,"privateResidences":0},"listedOfficeAddresses":1,"foreignOffices":[],"officesByState":[{"state":"California","offices":1,"addresses":[{"street":"438 Cambridge Avenue, Suite 100","city":"Palo Alto","headquarters":true}]}],"advFacts":{"source":{"file":"ia100226.zip","asOf":"2 October 2026"},"telephone":"650-856-6600","stateRegisteredReps":4,"otherAdviserReps":0,"compensation":["A percentage of assets under management","Hourly charges","Fixed fees (other than subscription fees)"],"activities":["Financial planning services","Portfolio management for individuals and/or small businesses","Portfolio management for businesses (other than small businesses) or institutional clients","Pension consulting services","Selection of other advisers (including private fund managers)","Other"],"financialPlanningClients":"0","assetMix":[{"label":"Exchange-traded equity securities","percent":2},{"label":"U.S. government/agency bonds","percent":14},{"label":"U.S. state and local bonds","percent":19},{"label":"Securities issued by registered investment companies or business development companies","percent":54},{"label":"Cash and cash equivalents","percent":11}],"privateFunds":0},"sources":{"adv1FilingDate":"2 March 2026","adv1Url":"https://reports.adviserinfo.sec.gov/reports/ADV/144072/PDF/144072.pdf","brochureDate":"2 March 2026","brochureUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1013284","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 Mayfield Advisors have?","answer":"Mayfield Advisors has 40 clients and manages $143 million for them, as of March 2026. They include 23 high-net-worth individuals, 15 individual clients and 1 pension or profit-sharing plan.","source":"Form ADV Part 1A, Items 5.D and 5.F, filed 2 March 2026","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What services does Mayfield Advisors offer?","answer":"Mayfield Advisors provides financial planning, portfolio management for individuals and small businesses, portfolio management for institutions, pension consulting, 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 Mayfield Advisors charge?","answer":"Mayfield Advisors charges 0.60%–1.00% a year for its Investment management services. Each asset band is charged at its own rate. The fee is billed in advance and is negotiable.","source":"MAYFIELD ADVISORS, INC. FORM ADV PART 2A, filed 2 March 2026","sourceRef":{"doc":"brochure","section":"fees"}},{"question":"Which custodians does Mayfield Advisors use?","answer":"Mayfield Advisors’ separately managed account assets are held at Charles Schwab & Co., Inc. (San Francisco, CA), with $75.4M and National Financial Services LLC (Boston, MA), with $68M. Only custodians holding at least a tenth of those assets are named.","source":"Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 2 March 2026","sourceRef":{"doc":"adv1","section":"custodians"}},{"question":"How many financial advisors does Mayfield Advisors have?","answer":"Mayfield Advisors has 4 investment adviser representatives registered with state securities authorities, out of 4 employees, and 4 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 Mayfield Advisors invest in?","answer":"At the end of its last fiscal year, Mayfield Advisors’ separately managed accounts held 54% registered funds (mutual funds, ETFs, BDCs), 19% state and local bonds, 14% U.S. government and agency bonds, 11% cash and equivalents and 2% exchange-traded equities.","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 Mayfield Advisors?","answer":"Mayfield Advisors’ direct owner is Lamberto Torres (75% or more).","source":"Form ADV Part 1A, Schedules A and B, filed 2 March 2026","sourceRef":{"doc":"adv1","section":"scheduleA"}},{"question":"How does Mayfield Advisors get paid?","answer":"Mayfield Advisors is paid through a percentage of assets under management, hourly charges and fixed fees. Its Form ADV lists no commissions or performance-based fees among how it is paid.","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 Mayfield Advisors?","answer":"Mayfield Advisors’ main office is at 438 Cambridge Avenue, Suite 100, Palo Alto, CA 94306-1404. Its phone number is 650-856-6600. Its website is mayfieldadvisors.com.","source":"Form ADV Part 1A, Item 1.F, filed 2 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."}