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SGL Investment Advisors, Inc.

SGL Investment Advisors, Inc.. CRD 145167

SGL Investment Advisors, Inc. logo

CRD: 145167

SGL Investment Advisors, Inc.

$391.6M Total AUM
$391.6M Disc. AUM
23.4% 3Y CAGR
7 Employees
1,468 ADV. Clients
20 yrs Firm Age

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Firm Details

Custodian
Charles Schwab & Company
Clients
Retail and Institutional
Platforms
Available
Established Date
02-01-2006
Office Locations
1

Office Locations

283 W. Front Street Suite 302 Missoula MT

About SGL Investment Advisors, Inc.

SG Long Financial (SGL Investment Advisors) is an employee-owned, independent broker/dealer and RIA based in Missoula, Montana, serving individuals across early career through retirement as well as institutional clients. The firm provides customized financial planning and portfolio construction, including retirement, estate and trust planning. Portfolios lean heavily on ETFs alongside corporate and municipal bonds. Hosts the “Long Thoughts” podcast (Rob Richardson, CFA).

Team overview

56 AVG AGE
$65.3M AVG AUM / ADVISOR
$266.7K AVG AUM / CLIENT
9.8 yrs AVG TENURE
7 Employees
6 Advisory Reps
5 RIA Reps
20yrs Firm Age

Insights

Available
Available
Available
Available
Available
Available
Available
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Accredited Investors

Available

Asset Classes

Available

Client Personas

Available

Custodian

Available

Investment Themes

Available

Investment Vehicles

Available

Services

Available

Technology

Available

Owner & Executives

ROBERT GUY ISAAC SEIDENSCHWARZ

ROBERT GUY ISAAC SEIDENSCHWARZ

DIRECTOR, Investment Advisor

CRD
#1011121
Ownership
10% but less than 25%
Available
Available
Available
BRUCE ANTHONY COSTA

BRUCE ANTHONY COSTA

DIRECTOR

CRD
--
Ownership
Less than 5%
Available
Available
Available

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Contacts

Kelly Ross Brunger

Kelly Ross Brunger

Financial Advisor

CRD
#6802145
Available
Available
Available
ZACHARY TYLER CARVALHO

ZACHARY TYLER CARVALHO

Portfolio Strategist

CRD
#6342766
Available
Available
Available

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Assets Under Management

Total AUM
Discretionary
Non-Discretionary
09-23-2021
09-28-2022
12-22-2023
09-13-2024
09-26-2025
Category Assets AVG. Account size
Discretionary $391,569,109 $316,803
Non-Discretionary $0 --
Total $391,569,109 $316,803

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Separately Managed Accounts

Total SMA Asset: Available

Locked Total SMA
Equity - Exchange:
Available
Corporate - Investment Grade:
Available
Municipal Bonds:
Available
Corporate - Non-Investment Grade:
Available
Cash:
Available
U.S. Government/Agency:
Available
Asset class Assets Assets %
Equity - Exchange Available Available
Corporate - Investment Grade Available Available
Municipal Bonds Available Available
Corporate - Non-Investment Grade Available Available
Cash Available Available
U.S. Government/Agency Available Available
Total Available Available

13F Holdings | Q1 2026

Issuer Class CUSIP Ticker % Value
Available Available Available Available Available Available
Available Available Available Available Available Available
Available Available Available Available Available Available
Available Available Available Available Available Available
Available Available Available Available Available Available

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