STG Partners

Q: When was STG Partners last fund created?

STG Partners last fund was created/launched in 2023-03-23.

General contacts

Investor type

Founded

2003

AUM

$11 000 M

Location

Palo Alto, California, United States

Investment Ticket

$50-100 m

Investment Stage

Series B Series A Seed Late Stage (Series C+)

Region of investment

North America Europe

Investor profile last updated: 16 August, 2026

Profile

STG Partners is a private equity firm based in the United States, specializing in mid-market software, data, and analytics sectors. The firm is composed of team members with strong domain expertise to guide the growth and optimization of tech-focused businesses. Known for its collaborative approach, STG Partners emphasizes building sustainable foundations and delivering long-term value for stakeholders through innovative growth strategies.

STG invests primarily in software and software-enabled technology services. By partnering with top management teams, they seek to build customer-centric market winners. The firm's investment sizes vary, typically targeting the mid-market segment. Their geographic focus includes North America and Europe. The firm recently raised $1.3 billion for their STG Allegro II fund.

Notable investments by STG Partners include Symphony Talent - talent management solutions, Wrike - work management platform, Yodlee - financial data aggregation, Dodge Data & Analytics - construction project data, and SurveyMonkey - online survey tool.

Industry

Technology Energy HealthTech Data infra Financial Services Fintech IT Services Marketing and Advertising Other SaaS Security Software AI Media and Entertainment

STG Partners Funds

Name	Type	Industry	Stage	Region	Size	AUM	Launch date
STG VI	Private Equity (PE)	Financial Services Fintech Media and Entertainment SaaS Security Software	Series B Late Stage (Series C+)	North America Europe	$5-10 m	$2000 M	November 2020
STG VII	Private Equity (PE)	Financial Services Fintech SaaS Software	Series B Late Stage (Series C+)	North America Europe	$5-10 m	$4200 M	March 2023
STG Allegro II		Financial Services IT Services Software Technology HealthTech Data infra	Late Stage (Series C+)	North America Europe	$50-100 m	—	September 2026

Contacts

Name

Title

Social Networks

Stephen Henkenmeier Managing Director & CFO

Managing Director & CFO

s•••@•••

J.T. Treadwell Managing Director

Managing Director

j•••@•••

Upgrade to see contacts

IdQuArNali9CkPvh IdQuArNali9CkPvh

IdQuArNali9CkPvh

[email protected]

IdQuArNali9CkPvh IdQuArNali9CkPvh

IdQuArNali9CkPvh

[email protected]

IdQuArNali9CkPvh IdQuArNali9CkPvh

IdQuArNali9CkPvh

[email protected]

Investment-team contacts for STG Partners — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
Instant access on the web. Plans from $129/month — see pricing.

Contacts sourced from the firm's website and LinkedIn, re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.

FAQs about STG Partners

Is STG Partners a venture capital or private equity firm?

STG Partners is a private equity firm. It backs companies at Series B, Series A, Seed and Late Stage (Series C+), writing tickets of $50-100 m.

Where is STG Partners located?

STG Partners is located in Palo Alto, California, United States.

When was STG Partners founded?

STG Partners was founded in 2003.

What sectors and industries does STG Partners invest in?

STG Partners invests in companies and startups in Technology, Energy, HealthTech, Data infra, Financial Services, Fintech, IT Services, Marketing and Advertising, Other, SaaS, Security, Software, AI, Media and Entertainment.

What is STG Partners geographical focus of investments?

STG Partners invests in companies and startups in North America, Europe.

At what stages of companies and startups does STG Partners typically invest in?

STG Partners invests in companies and startups at Series B, Series A, Seed, Late Stage (Series C+).

What is the usual amount of STG Partners investment?

STG Partners usually invests $50-100 m on average.

What is the amount of assets of under management (AUM) for STG Partners?

STG Partners has around $11 000m assets under management.

When was STG Partners last fund created?

STG Partners last fund was created/launched in 2023-03-23

What are the contacts of STG Partners?

STG Partners can be reached through its website stgpartners.com, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for STG Partners — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.

Can I access STG Partners data via API or MCP?

Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query STG Partners directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.

When was the STG Partners profile last updated?

Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 16 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.