{"url":"https://nivawealth.com/firms/big-sioux-financial-299593","iapdUrl":"https://adviserinfo.sec.gov/firm/summary/299593","regulatoryAum":235177047,"crd":"299593","adviserRoster":{"asOf":"2026-10-09","items":[{"crd":"7780904","suffix":null,"lastName":"Mattingly","firstName":"Thomas","middleName":"James"},{"crd":"3084029","suffix":null,"lastName":"PADGETT","firstName":"DUSTIN","middleName":"JAY"},{"crd":"6598316","suffix":null,"lastName":"Parr","firstName":"McKay","middleName":"William"},{"crd":"5361639","suffix":null,"lastName":"STREFF","firstName":"CONNIE","middleName":"JO"},{"crd":"8028708","suffix":null,"lastName":"Suter","firstName":"Aidynn","middleName":"Jae"}],"total":5,"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":"2021-03-24","regulatoryAum":131848333,"clients":833,"employees":2,"offices":2},{"filedOn":"2022-02-14","regulatoryAum":164714880,"clients":1009,"employees":2,"offices":2},{"filedOn":"2023-01-30","regulatoryAum":176135100,"clients":1321,"employees":2,"offices":2},{"filedOn":"2024-01-31","regulatoryAum":187790035,"clients":1363,"employees":3,"offices":2},{"filedOn":"2025-04-16","regulatoryAum":200749508,"clients":1169,"employees":6,"offices":2},{"filedOn":"2026-02-27","regulatoryAum":235177047,"clients":868,"employees":7,"offices":2}],"secFileNumber":"801-118350","legalName":"Big Sioux Financial, Inc.","displayName":"Big Sioux Financial","slug":"big-sioux-financial-299593","website":"https://bigsiouxwealth.com/","classification":{"segment":"individuals","segmentLabel":"Wealth management","type":"independent_wealth_manager","typeLabel":"RIA","feeDisclosure":"full"},"founded":null,"organization":"South Dakota corporation","fiscalYearEnd":"December","headquarters":{"street":"1401 4th St Ne","city":"Watertown","state":"SD","stateName":"South Dakota","country":"United States","postalCode":"57201"},"tradeNames":[],"registration":{"secApproved":"30 March 2020","noticeFilings":null,"latestNoticeFiling":null},"wealthAumPerClient":271670.615658363,"staff":{"employees":7,"advisory":5,"brokerDealerReps":1,"insuranceAgents":2,"promoters":0},"aum":{"regulatory":235177047,"discretionary":228162927,"discretionaryAccounts":1930,"nonDiscretionary":7014120,"nonDiscretionaryAccounts":27,"wrapProgram":null,"nonUsClientsPct":0,"nonAumClients":0},"clientTypes":[{"label":"Individuals (other than HNW)","clients":597,"regulatoryAum":61114522},{"label":"High-net-worth individuals","clients":246,"regulatoryAum":167903807},{"label":"Charitable organizations","clients":15,"regulatoryAum":2000452},{"label":"Corporations and other businesses","clients":10,"regulatoryAum":4158266}],"feePrograms":[{"role":"other","program":"ERISA Plan Services","summary":"Annual fee on the market value of plan Included Assets, not to exceed 1%, negotiable and charged as a percentage or flat fee.","sourceUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1012905","versionId":1012905,"submittedOn":"2026-02-27","documentName":"ADV PART 2A"},{"role":"other","program":"Hourly Financial Planning and Consulting","summary":"Financial planning and consulting are offered on an hourly fee of $250 per hour; an estimated plan fee is provided before planning begins.","sourceUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1012905","versionId":1012905,"submittedOn":"2026-02-27","documentName":"ADV PART 2A"}],"brochureCoverage":{"scope":"sec_inventory","status":"reviewed_no_numerical_schedule","checkedAt":"2026-10-22T16:13:15.999283+00:00","documents":[{"name":"ADV PART 2A","status":"read","sourceUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1012905","versionId":1012905,"submittedOn":"2026-02-27"}]},"custodians":[{"name":"Charles Schwab & Co., Inc.","shortName":"Charles Schwab","location":"Westlake, TX","smaAssets":227471909}],"custodyNote":"Big Sioux Financial does not have custody of client assets.","otherCustodians":[],"leadership":[{"name":"Dustin Padgett","title":"Division President","crd":"3084029"},{"name":"Connie Streff","title":"Chief Compliance Officer","crd":"5361639"},{"name":"Janet Johnson","title":"Co-Owner","crd":"7117082"},{"name":"Reid Johnson","title":"Co-Owner","crd":"7117091"},{"name":"Ethan Johnson","title":"Co-Owner","crd":"7117087"},{"name":"David Johnson","title":"Co-Owner","crd":"4095565"}],"ownership":[{"label":"David Johnson","detail":"Co-owner in the 25% to 50% ownership band and a control person, since August 1988."},{"label":"Janet Johnson","detail":"Co-owner in the 10% to 25% ownership band, since August 1988."},{"label":"Ethan Johnson","detail":"Co-owner in the 10% to 25% ownership band, since May 1990."},{"label":"Reid Johnson","detail":"Co-owner in the 10% to 25% ownership band, since August 1988."}],"branchOffices":null,"filedOffices":{"otherThanPrincipal":1,"privateResidences":0},"listedOfficeAddresses":2,"foreignOffices":[],"officesByState":[{"state":"South Dakota","offices":2,"addresses":[{"street":"1401 4th St Ne","city":"Watertown","headquarters":true},{"street":"608 W 86th St.","city":"Sioux Falls"}]}],"advFacts":{"source":{"file":"ia100226.zip","asOf":"2 October 2026"},"telephone":"605-882-4280","stateRegisteredReps":5,"otherAdviserReps":0,"compensation":["A percentage of assets under management","Hourly charges"],"activities":["Financial planning services","Portfolio management for individuals and/or small businesses","Pension consulting services","Selection of other advisers (including private fund managers)","Educational seminars/workshops"],"financialPlanningClients":"251-500","assetMix":[{"label":"Exchange-traded equity securities","percent":67},{"label":"U.S. state and local bonds","percent":1},{"label":"Securities issued by registered investment companies or business development companies","percent":26},{"label":"Cash and cash equivalents","percent":6}],"privateFunds":0},"sources":{"adv1FilingDate":"27 February 2026","adv1Url":"https://reports.adviserinfo.sec.gov/reports/ADV/299593/PDF/299593.pdf","brochureDate":"27 February 2026","brochureUrl":"https://files.adviserinfo.sec.gov/IAPD/Content/Common/crd_iapd_Brochure.aspx?BRCHR_VRSN_ID=1012905","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 Big Sioux Financial have?","answer":"Big Sioux Financial has 868 clients and manages $235 million for them, as of February 2026. They include 597 individual clients, 246 high-net-worth individuals and 15 charitable organizations.","source":"Form ADV Part 1A, Items 5.D and 5.F, filed 27 February 2026","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"What services does Big Sioux Financial offer?","answer":"Big Sioux Financial provides financial planning, portfolio management for individuals and small businesses, pension consulting, selecting other managers, and educational seminars.","source":"Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file","sourceRef":{"doc":"adv1","section":"employees"}},{"question":"Which custodians does Big Sioux Financial use?","answer":"Big Sioux Financial’s separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $227M. Only custodians holding at least a tenth of those assets are named.","source":"Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 27 February 2026","sourceRef":{"doc":"adv1","section":"custodians"}},{"question":"How many financial advisors does Big Sioux Financial have?","answer":"Big Sioux Financial has 5 investment adviser representatives registered with state securities authorities, out of 7 employees, and 5 perform investment advisory functions. 1 employee is a registered representative of a broker-dealer and 2 employees are 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 Big Sioux Financial invest in?","answer":"At the end of its last fiscal year, Big Sioux Financial’s separately managed accounts held 67% exchange-traded equities, 26% registered funds (mutual funds, ETFs, BDCs), 6% cash and equivalents and 1% state and local 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 Big Sioux Financial?","answer":"Big Sioux Financial’s direct owners are David Johnson, Janet Johnson, Ethan Johnson and Reid Johnson, each holding 50% or less.","source":"Form ADV Part 1A, Schedules A and B, filed 27 February 2026","sourceRef":{"doc":"adv1","section":"scheduleA"}},{"question":"How does Big Sioux Financial get paid?","answer":"Big Sioux Financial is paid through a percentage of assets under management and hourly charges. 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 Big Sioux Financial?","answer":"Big Sioux Financial’s main office is at 1401 4th St Ne, Watertown, SD 57201. Its phone number is 605-882-4280. Its website is bigsiouxwealth.com.","source":"Form ADV Part 1A, Item 1.F, filed 27 February 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."}