Managers/Private equity/California/STG Partners

STG Partners

STG Partners is a private equity manager in Menlo Park, CA. It is registered with the SEC as an investment adviser with $13.4B in regulatory assets and 87 staff. It has 16 funds on file, the latest reported in February 2026.

Funds on file
16
Raised, all funds
$1.5B
Regulatory assets
$13.4B
Staff
87
Pension investors
1
See the adviser's own filing →

Latest fund filing

Funds

DateFundTypeRaisedTarget
Feb 2026 STG Allegro II Executive Fund, L.P. Private equity $0 Not given
Dec 2025 STG Allegro II-A, L.P. Private equity $0 Not given
Dec 2025 STG Allegro II, L.P. Private equity $0 Not given
Oct 2023 STG AV, L.P. Private equity $0 Not given
Aug 2023 STG WARRIOR, L.P. Private equity $0 Not given
May 2023 STG MERCURY, L.P. Private equity $0 Not given
Oct 2022 STG VII-A, L.P. Private equity $0 $3B
Oct 2022 STG VII, L.P. Private equity $0 $3B
Aug 2021 Magenta Blocker Aggregator LP Private equity $918.4M Not given
Aug 2021 Magenta Unblocked Aggregator LP Private equity $602.6M Not given
Jul 2021 STG ALLEGRO-A, L.P. Private equity $0 $750M
Jul 2021 STG ALLEGRO, L.P. Private equity $0 $750M
Apr 2021 STG BRAVO, L.P. Private equity $0 Not given
Nov 2020 STG VI EXECUTIVE FUND, L.P. Private equity $0 Not given
Sep 2020 STG VI-A, L.P. Private equity $0 $1.9B
Sep 2020 STG VI, L.P. Private equity $0 $1.9B

Adviser record

RegistrationRegistered with the SEC as an investment adviser.
Regulatory assets$13.4B
Employees87
Clients25 private funds.
Control personsMarc, Amiel Bala, William, Francis Chisholm, Douglas, Marshall Haines, Stephen, Edward Henkenmeier, Johnie, Tristan Treadwell.
Private funds19 private funds holding $12.2B in gross assets.

Private funds it reports

FundTypeGross assets
STG Vii-a Private equity $2.8B
STG Vii Private equity $1.8B
STG Vi-a Private equity $1.4B
Magenta Blocker Aggregator Private equity $1.1B
STG V-A Private equity $876.9M
STG VI Private equity $849.1M
STG Mercury Private equity $730.2M
Magenta Unblocked Aggregator Private equity $687.7M
STG AV Private equity $510.8M
STG Allegro Private equity $434.9M
STG Allegro-a Private equity $365.4M
STG V Private equity $203.3M
Redstone Aggregator Private equity $125.9M
STG Vii Executive Fund Private equity $79.1M
STG VI Executive Fund Private equity $78.7M