United States · 
What does Thomas Weisel Partners invest in?
Thomas Weisel Partners invests most often at Venture and Series B (70% of the rounds on record), in sectors such as Advertising and Security.
Thomas Weisel Partners highlights
- 01
11 rounds on record
- 02
Mostly Venture and Series B: 70% of its rounds
- 03
Sole investor in 1 rounds, median $33M
- 04
4 exits from the portfolio
What they do
- Type
- Investment firm (from a list, unverified)
- Cheque size
- Not stated
- Sectors
- AdvertisingSecurity
- Based in
- United States
- Cold pitches
- Not stated
The record
Every round we can evidence, newest first11 appearances
- 2013
1 round
- Nov
- 2011
1 round
- Jun
- 2007
2 rounds
- Jun
- Jun
- 2001
5 rounds
- Dec
- Nov
- Jun
- Jun
- Jan
- 2000
2 rounds
- Nov
- Aug
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Who backs their funds
1 LP on record in Thomas Weisel Partners's funds
- Committed
- $100M
- Funds
- 1
- Vintages
- 1999
The institutions that put money into its funds, which the firm then invests in companies.Source: the pension's own report, latest Sept 2025.
Oregon Public Employees Retirement Fund1 fund$100MFund Vintage Committed Thomas Weisel Capital Partners 1999 $100M
Exits from the portfolio
Companies it backed that were later bought or listed4 in all
SoloPowerBought by Opera Investments$220MJul 2015
Phase ForwardBought by Oracle Corporation$685MApr 2010
RichFXBought by ChannelAdvisor$3.1MMar 2008
QuantumShift CommunicationsBought by vCom SolutionsUndisclosedJan 2004
An exit counts when it came after the firm's first round in the company. From historical deal records.
Companies it bought
Acquisitions by the firm itself
Electronic Data Systems (EDS)UndisclosedApr 2003