# Thomas Weisel Partners: portfolio, investments and team > Thomas Weisel Partners is an investment firm based in United States. 11 investments on record, latest Nov 2013. Portfolio, stages, co-investors and team. Source: https://millionrounds.com/fund/thomas-weisel-partners (Millionrounds; every figure on the page links to its filing or article) United States · [Investor](https://millionrounds.com/investors) # Thomas Weisel Partners Last cheque observed Nov 2013. Silence since then is not evidence of inactivity: our sources miss unannounced rounds. Quiet Investment firm Venture Series B Series A Advertising Security Cheques on record **0%** of best year **0** **cheques in 12 months**, 11 on record Since the last cheque **4738** days **00** hrs **00** min **00** sec Median round **$31M** Rounds led **0 of 11** Sole investor **1 rounds** Exits **4 from the portfolio** Mostly in **United States, 100%** Pitch Thomas Weisel Partners ## 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:** Advertising Security - **Based in:** United States - **Cold pitches:** Not stated ## The record Every round we can evidence, newest first **11 appearances** - **2013** 1 round - **Nov** **[Terascala](https://millionrounds.com/company/terascala)** US · finsmes.com **Undisclosed** With 3 others - **2011** 1 round - **Jun** **[SoloPower](https://millionrounds.com/company/solopower)** Venture · US · techcrunch.com **$44M** With 4 others - **2007** 2 rounds - **Jun** **[Roxro Pharma](https://millionrounds.com/company/roxro-pharma)** Series B · US · venturebeat.com **$43M** With 2 others - **Jun** **[FRS](https://millionrounds.com/company/frs)** Series A · US **$25M** With 2 others - **2001** 5 rounds - **Dec** **[QuantumShift Communications](https://millionrounds.com/company/quantumshift-communications)** Series C · US **$32M** With 1 other - **Nov** **[Lightspeed Semiconductor](https://millionrounds.com/company/lightspeed-semiconductor)** Venture · US **$33M** Sole investor - **Jun** **[Aligo](https://millionrounds.com/company/aligo)** Series B · US **$11M** With 1 other - **Jun** **[AP Engines](https://millionrounds.com/company/ap-engines)** Series B · US **$30M** With 5 others - **Jan** **[CentrPort](https://millionrounds.com/company/centrport)** Series A · US **$27M** With 6 others - **2000** 2 rounds - **Nov** **[RichFX](https://millionrounds.com/company/richfx)** Venture · US **$33M** With 5 others - **Aug** **[Phase Forward](https://millionrounds.com/company/phase-forward)** Venture · US **$25M** With 7 others 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 Fund** 1 fund *$100M*](https://millionrounds.com/fund/oregon-public-employees) Fund Vintage Committed Thomas Weisel Capital Partners 1999 $100M ## Exits from the portfolio Companies it backed that were later bought or listed **4 in all** **[SoloPower](https://millionrounds.com/company/solopower)** Bought by [Opera Investments](https://millionrounds.com/fund/opera-investments) **$220M** Jul 2015 **[Phase Forward](https://millionrounds.com/company/phase-forward)** Bought by [Oracle Corporation](https://millionrounds.com/fund/oracle) **$685M** Apr 2010 **[RichFX](https://millionrounds.com/company/richfx)** Bought by ChannelAdvisor **$3.1M** Mar 2008 **[QuantumShift Communications](https://millionrounds.com/company/quantumshift-communications)** Bought by vCom Solutions **Undisclosed** Jan 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)** **Undisclosed** Apr 2003 ## The cheque Venture Series B Series A Median round joined **$31M** the round, not its cheque Alone, median **$33M** Led 0 of 11 rounds **0%** - **Sole investor:** 1 rounds - **Last cheque:** Nov 2013 - **Exits:** 4 from the portfolio Rounds by stage said on their site - Venture *4* - Series B *3* - Series A *2* - Series C *1* Cheques by year Led Joined 2000 2013 **Pitching Thomas Weisel Partners?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque. Add to your CRM *→* ## Mentioned on podcasts Episodes that name Thomas Weisel Partners in their description, not their title. - [Growth Investor](https://millionrounds.com/podcasts/growth-investor) 27 Nov 2024 · 27 min Leaders in Healthcare Growth Investing: Spectrum Equity’s Jeff Haywood and Steve LeSieur With [Jeff Haywood](https://millionrounds.com/person/jeff-haywood)[Steve LeSieur](https://millionrounds.com/person/steve-lesieur) Mentions [Spectrum Equity](https://millionrounds.com/fund/spectrum-equity)[Thoma Cressey Equity Partners](https://millionrounds.com/fund/thoma-cressey-equity-partners)[Thomas Weisel Partners](https://millionrounds.com/fund/thomas-weisel-partners) *+1* Apple PodcastsShow page ## Quick answers about Thomas Weisel Partners ### 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. ### How active is Thomas Weisel Partners? 11 investments on record, 0 of them in the last 12 months. The most recent was in Nov 2013. ### How big are Thomas Weisel Partners's cheques? The median round it joins is $31M. ### Does Thomas Weisel Partners lead rounds? Rarely, if at all: none of its 11 investments on record names it as the lead. ### Where does Thomas Weisel Partners invest? Most of the companies it backs are in the United States (100%). ### Is Thomas Weisel Partners investing now? No investments in the last 12 months; the latest was in Nov 2013. ### What kind of investor is Thomas Weisel Partners? Thomas Weisel Partners is an investment firm based in United States. ### Where does this information on Thomas Weisel Partners come from? From 3 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night. ## Raising now? Find the investors who back rounds like yours, and keep every conversation on one fundraising board. Find similar investorsOpen your CRM Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=thomas-weisel-partners) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=thomas-weisel-partners)