AdFi
SP

STG Partners, LLC

SEC Registered

Partners for Business

Menlo Park, CAhttps://stgpartners.com650-935-9500
Assets Under Management
$5B–$25B
Employees
87
Office Locations
3 offices
Total Accounts
25

About the firm

STG is a private equity firm focused on fueling innovative software, data, and analytics market leaders in the mid-market. The firm finds, builds, and scales mid-market software and software-enabled tech services businesses, partnering with top management teams to build customer-centric market winners.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

Pooled Vehicles

Areas of expertise

Private EquitySoftwareDataAnalyticsMid-marketSoftware-enabled Tech ServicesGrowthPortfolio Management

Services

Private equity investment, growth and optimization support, and partnership with management teams to build and scale mid-market software and software-enabled tech services businesses

Private funds / alternatives
Private Equity

Who they serve

Mid-market software, data, and analytics companies and their management teams

Client segmentClientsAssets managed
Pension/Profit Sharing Plans25$13.4B

Leadership

William Francis Chisholm
MANAGING PARTNER AND ELECTED MANAGER
Johnie Tristan Treadwell
MANAGING DIRECTOR
Douglas Marshall Haines
MANAGING DIRECTOR
Stephen E. Henkenmeier
CFO, CCO
Marc Bala
MANAGING DIRECTOR
2000 Chisholm Living Trust U/a/d/ August 17
MEMBER
William Francis Chisholm
TRUSTEE OF CHISHOLM LIVING TRUST U/A/D AUGUST 17, 2000

Office locations

3 offices in 1 state
CA
Menlo ParkHQ
Milan
Bangalore

Regulatory & compliance

CRD number
#291048
SEC Number
801-112130
Disciplinary History
No
Fee Model & Minimums
Model: AUM / Performance-based / Other

Data as of March 31, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. STG Partners, LLC has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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