About Calumet Venture Fund
Calumet Venture Fund is a venture capital firm founded in 2008. It is primarily based out of Madison, United States. As of Jun 2014, Calumet Venture Fund has invested in 4 companies. It primarily invests in Seed round in United States based startups. Its investments are spread across Enterprise Applications and High Tech sectors. Most recently it participated in the $***** Series C round of Montage Overall, Calumet Venture Fund portfolio has seen 1 acquisition, namely Optimine. A lot of funds co-invest with Calumet Venture Fund, with names like Bill Watkins sharing a substantial percentage of its portfolio. Calumet Venture Fund has team of 3 people including 2 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series A, Seed & 1 more
Portfolio Acquisitions
Calumet Venture Fund's List of All Investments
Calumet Venture Fund has a portfolio of 4 companies. Their most notable investments are in Optimine and Optimine.Their portfolio spans across United States and Canada. They have invested in Enterprise Applications, High Tech, across Series A, Seed and 1 more. Here is the list of all investments by Calumet Venture Fund:1. Optimine
OptiMine Software provides cloud-based cross-channel marketing analytics and optimization that helps marketers grow their businesses and achieve significant ROI lift from their ad-spend. Through OptiMine’s marketing mix analytics and optimization platform, marketers maximize ROI by gaining insight into every ad’s contributions to financial performance, while optimizing ad-mix and spend across channels and devices.
Key facts about Optimine
- Founded Year: 2008
- Location: St. Paul (Canada)
- Stage: Acquired
- Total Funding till date: $14.9M
- Employee Count: 23 as on Jul 31, 2026
- Investors: Zetta Venture Partners, Venture Management and 7 Others
- Latest Funding Round: Conventional Debt, Jun 14, 2016, $*****
- Highlight: Acquired
2. Sobot
Contact center solution provider. It is a contact center solution provider that offers voice, live chat, chatbot, and ticketing system products. It also provides WhatsApp API integration and have customer stories and product documentation available as resources.
Key facts about Sobot
- Founded Year: 2014
- Location: San Francisco (United States)
- Stage: Series D
- Total Funding till date: $205M
- Employee Count: 100 as on Jul 31, 2026
- Investors: Square 1 Bank, SoftBank Vision Fund and 17 Others
- Latest Funding Round: Series D, Feb 14, 2022, $*****
- Highlight: Editors' Pick
3. Montage
Developer of video interviewing and voice interviewing solutions for enterprises. The solutions are purpose-built for enterprise-level hiring and talent acquisition needs.
Key facts about Montage
- Founded Year: 2007
- Location: Delafield (United States)
- Stage: Series C
- Total Funding till date: $21.6M
- Employee Count: 78 as on May 31, 2026
- Investors: InvestMichigan!, Baird Capital and 3 Others
- Latest Funding Round: Series C, Jun 06, 2014, $*****
- Highlight: Editors' Pick
4. Faculte
Faculte provides a cloud-based platform for creating and editing video presentation. The presentations can be edited and worked on collaboratively with input tools for synchronous as well as asynchronous editing. Targets business for creating demos, internal staff training and creation of marketing videos. The company offers its service for free for basic accounts, with premium accounts beginning at $50 per month.
Key facts about Faculte
- Founded Year: 2007
- Location: Madison (United States)
- Stage: Deadpooled
- Total Funding till date: $3M
- Employee Count: 642 as on Apr 30, 2026
- Investors: Calumet Venture Fund
- Latest Funding Round: Seed, Sep 01, 2009, $*****
Calumet Venture Fund's Investments by Stage
Calumet Venture Fund has made 2 investments in Series A stage with an average round size of $3.45M, 1 investment in Seed stage with an average round size of $3M and 1 investment in Series C stage with an average round size of $6M.Stage of entry | No. of Investments |
|---|---|
Series A | 2 |
Seed | 1 |
Series C | 1 |
Note: We have considered here, only first round of investments
Calumet Venture Fund's Investments by Sector
Calumet Venture Fund has a diverse portfolio, with companies operating in the Enterprise Applications, High Tech and Vertical SaaS. Notably, it has invested in 4 Enterprise (B2B) companies, 4 Saas companies, 4 Software companies and at least 4 companies focusing on Tech.Sector | No. of Investments |
|---|---|
Enterprise Applications | 4 |
High Tech | 1 |
Vertical SaaS | 1 |
Note: We have considered here, only first round of investments
Calumet Venture Fund's Investments by Geography
Calumet Venture Fund has made most investments in United States (3), followed by Canada where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 3 |
Canada | 1 |
Note: We have considered here, only first round of investments
Calumet Venture Fund's recent investments
Calumet Venture Fund has not made any investment in 2026 so far.Here are the most recent investments by Calumet Venture Fund:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Jun 06, 2014 | United States | Series C | 9993 | [+3] | |
Jun 05, 2014 | United States | Series A | 1328 | - | |
Jan 16, 2014 | Canada | Series C | 5958 | [+1] | |
Aug 08, 2012 | Canada | Series B | 4602 | ||
Oct 24, 2011 | Canada | Series B | 9622 |
Acquired companies in Calumet Venture Fund's Portfolio
1 company from Calumet Venture Fund's portfolio has been acquired. The most recent acquisition was Optimine in Aug 2025 by Uptempo for $*****.Here are Calumet Venture Fund's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Aug 28, 2025 | Jan 04, 2011 | Series A | 6997 |
Team profile of Calumet Venture Fund
Calumet Venture Fund has a team of 3 members including 2 Partners located in United States. Calumet Venture Fund's team does not sit on the board of any company as of now.Co-investors of Calumet Venture Fund
Over the past 17 years, 22 investors have co-invested in Calumet Venture Fund's portfolio companies. This includes funds and angels.
- Top Co-investors of Calumet Venture Fund: 6 investors entered a company along with Calumet Venture Fund. These include investors like Bill Watkins (1 company).
- Invested after Calumet Venture Fund: A total of 16 investors have invested in Calumet Venture Fund's portfolio after their investments. Top Investors include HWVP (1 company), Zetta Venture Partners (1 company) and TRS (1 company).
Recent News related to Calumet Venture Fund
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