# Jim Simons

> Jim Simons is a funding round investor at Split Rock Partners backing Enterprise Software. See 7 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Split Rock Partners](https://shizune.co/investors/profile/split-rock-partners)
- Location: Minneapolis, United States
- Total investments: 7
- Last investment: Jan 2024
- Lead investor: 71%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jim-simons-2956002

Jim Simons is a funding round investor at Split Rock Partners in Minneapolis focused on Enterprise Software and Social Media. Jim Simons is the Co-Founding Managing Director of Split Rock Partners.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Enterprise Software | 3 | 43% |
| Social Media | 2 | 29% |
| Apps | 1 | 14% |
| SaaS | 1 | 14% |
| Energy | 1 | 14% |

14 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Funding Round | 3 | 43% |
| Series A | 2 | 29% |
| Series B | 2 | 29% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Sion Power | Sion Power is the global leader in the development of a new generation of high-energy, rechargeable lithium batteries for portable power, mobile electronics, and electric vehicles. Based on the five times higher energy available from sulfur ions compared to other lithium chemistries, Sion Power's lithium sulfur cell offers significantimprovements in performance over current rechargeable batteries. The use of low cost raw materials and accepted battery manufacturing techniques enable this new technology to have a very, competitive cost position. | $75M | Series A | Jan 23, 2024 |  |
| Sparkcentral | Consumers today engage with brands and companies on social channels by sending tweets and messages stating their customer service needs openly and publicly. Many companies choose to respond to these consumers via the same channels in order to address their concerns. The Sparkcentral Platform helps customer support teams manage large volumes ofsocial inquiries in a streamlined and efficient manner. The platform pulls in the messages from these social channels and presents them to customer care teams via a secure agent console that automatically assigns the messages to the first available agent. Sparkcentral’s client roster includes Delta Air Lines, Emirates, Netflix, Nordstrom, Dropbox, Uber, and T-Mobile.The company’s client portfolio includes Formerly known as TwitSpark, Sparkcentral was incorporated in 2012 and is based in San Francisco, California. | $20M |  | Nov 18, 2016 |  |
| VoloMetrix | VoloMetrix is a people analytics technology company that uses big data to optimize organizational performance, providing executives visibility into the daily activities and relationships that propel business forward. The company's technology helps improve companies’ organizational alignment, drive sales, and promote employee engagement.Working with Fortune 100 companies, VoloMetrix extracts and analyzes anonymous aggregated collaboration data to reveal unprecedented insights into how employee behaviors drive business outcomes. | $12M | Series B | Oct 13, 2014 |  |
| Vormetric | Vormetric is the leader in Enterprise Encryption and Key Management for corporations. Vormetric is growing 40% yr/yr. Vormetric is the only vendor that allows corporations to encrypt ALL DATABASE (all versions) and ALL files across the Enterprise. Vormetric's provide very tight access controls to ensure only authorized users andapplications can have access to the data. Vormetric claims more than 1,100 customers, including 17 companies of the Fortune 25. Vormetric technology has received strong market validation for its innovative approach to data security, including selection by IBM as the only database encryption solution for DB2 and Informix on LinuxTM, Unix® and Windows; selection by Symantec to provide the Symantec Veritas NetBackupTM Media Server Encryption Option; partnership with Oracle to secure the execution environment for Oracle® Database Vault. | $15M |  | Jun 26, 2013 |  |
| Sparkcentral | Consumers today engage with brands and companies on social channels by sending tweets and messages stating their customer service needs openly and publicly. Many companies choose to respond to these consumers via the same channels in order to address their concerns. The Sparkcentral Platform helps customer support teams manage large volumes ofsocial inquiries in a streamlined and efficient manner. The platform pulls in the messages from these social channels and presents them to customer care teams via a secure agent console that automatically assigns the messages to the first available agent. Sparkcentral’s client roster includes Delta Air Lines, Emirates, Netflix, Nordstrom, Dropbox, Uber, and T-Mobile.The company’s client portfolio includes Formerly known as TwitSpark, Sparkcentral was incorporated in 2012 and is based in San Francisco, California. | $12M | Series B |  |  |
| iHarvest | Driven by a desire to solve a real problem exacerbated by the Internet, Dennis Buchheim and David Wadhwani founded iHarvest in September 1997. When they discovered that many Internet users shared their same frustration—losing valuable content after surfing the Web—they developed an application that revolutionized the way people interact with theWeb.iHarvest One™, the first-generation Web harvester software, premiered in July 1999. A Microsoft® Internet Explorer plug-in, iHarvest One allowed users to save entire Web pages or clips on their hard disks, organize them alongside other files, and share them with others. iHarvest One recently won the PC Magazine Editors' Choice award for best Web Information Manager.The overwhelming response to iHarvest One led to the next-generation Web service, iHarvest™, in May 2000. The leading Web information management tool, iHarvest makes saving and organizing Web content easy and provides a reliable, accessible, and convenient improvement over bookmarks.iHarvest's new Web service fundamentally changes the way Internet users interact with the Web—it is an indispensable tool for navigation through personal collections of digital content. iHarvest members can "harvest" their favorite Web content effortlessly, and access this information anytime, anywhere. iHarvest's intuitive interface lets members save and organize their Web content for any number of uses: financial research, job searching, competitive analysis, shopping comparison, market research, travel planning, house hunting, and much more. Appealing to novice and experienced users alike, iHarvest provides a powerful and unique solution for both business and personal applications.iHarvest is a privately funded Internet software and applications company based in Redwood Shores, California. Its executive team, led by software industry veteran Rich Buchheim, has extensive technology experience from companies such as Oracle, Apple, Intergraph, Camex, Autodesk, Netscape, and Best Internet. Incorporated in 1998, the company closed its first round of major venture funding in April 2000 and is poised for growth that will enable iHarvest, its members, and its partners to leverage the enormous volume of information on the Web. |  |  |  |  |
| iHarvest | Driven by a desire to solve a real problem exacerbated by the Internet, Dennis Buchheim and David Wadhwani founded iHarvest in September 1997. When they discovered that many Internet users shared their same frustration—losing valuable content after surfing the Web—they developed an application that revolutionized the way people interact with theWeb.iHarvest One™, the first-generation Web harvester software, premiered in July 1999. A Microsoft® Internet Explorer plug-in, iHarvest One allowed users to save entire Web pages or clips on their hard disks, organize them alongside other files, and share them with others. iHarvest One recently won the PC Magazine Editors' Choice award for best Web Information Manager.The overwhelming response to iHarvest One led to the next-generation Web service, iHarvest™, in May 2000. The leading Web information management tool, iHarvest makes saving and organizing Web content easy and provides a reliable, accessible, and convenient improvement over bookmarks.iHarvest's new Web service fundamentally changes the way Internet users interact with the Web—it is an indispensable tool for navigation through personal collections of digital content. iHarvest members can "harvest" their favorite Web content effortlessly, and access this information anytime, anywhere. iHarvest's intuitive interface lets members save and organize their Web content for any number of uses: financial research, job searching, competitive analysis, shopping comparison, market research, travel planning, house hunting, and much more. Appealing to novice and experienced users alike, iHarvest provides a powerful and unique solution for both business and personal applications.iHarvest is a privately funded Internet software and applications company based in Redwood Shores, California. Its executive team, led by software industry veteran Rich Buchheim, has extensive technology experience from companies such as Oracle, Apple, Intergraph, Camex, Autodesk, Netscape, and Best Internet. Incorporated in 1998, the company closed its first round of major venture funding in April 2000 and is poised for growth that will enable iHarvest, its members, and its partners to leverage the enormous volume of information on the Web. | $6.9M | Series A |  |  |

7 of 7 investments shown.

## Co-investors
- [Group MC](https://shizune.co/investors/profile/group-mc) — VC Fund, 1 deal together
- [Hillspire](https://shizune.co/investors/profile/hillspire) — VC Fund, 1 deal together
- [JK&B Capital](https://shizune.co/investors/profile/jk-b-capital) — VC Fund, 1 deal together
- [Jackson Square Ventures](https://shizune.co/investors/profile/jsv) — VC Fund, 1 deal together
- [LG Energy Solution](https://shizune.co/investors/profile/lg-energy-solution) — VC Fund, 1 deal together
- [Limburgse Reconversie Maatschappij](https://shizune.co/investors/profile/limburgse-reconversie-maatschappij) — VC Fund, 1 deal together

## About Split Rock Partners

VC Fund · Minneapolis, United States

Split Rock Partners invests in emerging healthcare, software and Internet services companies in the Upper Midwest and West Coast. They are an early-stage venture capital firm that was founded in June 2004 by the former healthcare and software investment teams of St. Paul Venture Capital (SPVC). The Split Rock team managed over $1 billion of venturecapital during our tenure at SPVC, and continues to manage the SPVC healthcare and software portfolio. In May of 2008, they raised $300 million in the second Split Rock Partners fund, the successor to their inaugural $275 million fund raised in April 2005.The Split Rock team believes that it takes great people to translate promising ideas into compelling businesses. They are grounded in a fundamental respect for entrepreneurs and the rare combination of elements required when pioneering new markets. They start by looking for entrepreneurs with the passion, vision, and skills to build leading companies. They then work with entrepreneurs collaboratively, building partnerships based on integrity and mutual respect. The Split Rock team complements management expertise with over 80 years of venture investing and entrepreneurial management experience. They are proud of the strong relationships they have built with talented entrepreneurs and co-investors throughout their history and look forward to building on that tradition.

4 contacts available at Split Rock Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Jim Simons | Co-Founding Managing Director | https://shizune.co/investors/profile/jim-simons |
| David Stassen | Co-Founding Managing Director | https://shizune.co/investors/profile/dave-stassen |
| Michael Gorman | Co-Founding Managing Director | https://shizune.co/investors/profile/michael-gorman |
| Steven Schwen | CFO | https://shizune.co/investors/profile/steve-schwen |

## Similar investors

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- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund

## FAQ

### What does Jim Simons invest in?

Jim Simons invests primarily in Enterprise Software, Social Media and Apps startups, most often at Funding Round and Series A stage. Most of the 7 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Jim Simons last invest?

The most recent investment recorded for Jim Simons closed in Jan 2024. Shizune tracks 7 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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