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BIG Sioux Wealth Management

BIG Sioux Wealth Management. CRD 299593

BIG Sioux Wealth Management logo

CRD: 299593

BIG Sioux Wealth Management

Watertown, SD, 57201
6058824280
$235.2M Total AUM
$228.2M Disc. AUM
11.6% 3Y CAGR
7 Employees
868 ADV. Clients
37 yrs Firm Age

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Firm Details

Custodian
American Funds ยท Charles Schwab & Company
Clients
Retail and Institutional
Platforms
Meridian vitalCrest catalyst +more
Established Date
08-01-1988
Office Locations
2

Office Locations

1401 4TH St. NE Watertown SD
1404 4TH St. NE Watertown SD

About BIG Sioux Wealth Management

Big Sioux Wealth Management is a Watertown, SD registered investment adviser serving South Dakota and beyond. The team provides financial planning and portfolio management, including retirement, tax, and estate planning coordination and insurance/annuity solutions. Portfolios emphasize diversified asset allocation with heavy use of ETFs and mutual funds across equities and fixed income, with exposure to real estate and infrastructure. Custodies include Charles Schwab.

Team overview

47 AVG AGE
$47.0M AVG AUM / ADVISOR
$270.9K AVG AUM / CLIENT
18.8 yrs AVG TENURE
7 Employees
5 Advisory Reps
5 RIA Reps
37yrs Firm Age

Insights

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Asset Classes

Eagle Crest legacy Zenith foundation

Client Personas

Timber Eagle Meridian pioneer

Custodian

Insight Value unison Element

Investment Themes

Pioneer Matrix Glacier

Investment Vehicles

Element

Platform

Frontier Value harbor

Services

Optima oak Vertex Timber Delta vector Peak Ember delta Quantum Eagle Alpha

Technology

Pioneer delta Horizon Bridge

Owner & Executives

D

DAVID WALTER JOHNSON

Chairman, Co-Owner

CRD
--
Ownership
25% but less than 50%
(539) 754-2917
frontier.prime@zenithcapital.com
in linkedin.com/in/north-glacier
E

Ethan Paul Johnson

Co-Owner, Owner

CRD
--
Ownership
10% but less than 25%
(391) 619-9933
pathway.pioneer@deltacapital.com
in linkedin.com/in/frontier-eagle
R

Radial beacon

Beacon frontier unison

CRD
#49723
Ownership
35.8%
(257) 548-8012
focus.delta@wavecapital.com
in linkedin.com/in/catalyst-timber

Showing 2 of 6 owners & executives

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Contacts

A

Aidynn Jae Lenards

--

CRD
#8028708
(345) 291-8116
value.momentum@focuscapital.com
in linkedin.com/in/beacon-foundation
Thomas James Mattingly

Thomas James Mattingly

Wealth Management Associate

CRD
#7780904
(935) 713-9829
meridian.catalyst@peakcapital.com
in linkedin.com/in/vital-foundation
V

Value pathway

Vector fusion

CRD
#10229
(884) 341-4195
zenith.focus@bridgecapital.com
in linkedin.com/in/ridge-glacier

Showing 2 of 9 contacts

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Assets Under Management

Total AUM
Discretionary
Non-Discretionary
11-11-2022
11-21-2023
01-31-2024
04-16-2025
02-27-2026
Category Assets AVG. Account size
Discretionary $228,162,927 $118,219
Non-Discretionary $7,014,120 $259,782
Total $235,177,047 $120,172

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Separately Managed Accounts

Total SMA Asset: $235,177,047

$235.2M Total SMA
Equity - Exchange:
15.8%
Public Funds:
18.0%
Cash:
34.3%
Municipal Bonds:
31.9%
Asset class Assets Assets %
Equity - Exchange $961,200,445 15.8%
Public Funds $1,095,038,482 18.0%
Cash $2,086,656,662 34.3%
Municipal Bonds $1,940,651,531 31.9%
Total $6,083,547,120 100.0%

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