# Hook Partners

> Hook Partners is a VC fund in Dallas backing Software, Telecommunications and Wireless. See 12 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Dallas, United States
- Total investments: 12
- Last investment: Oct 2003
- Lead investor: 17%
- Last updated: Aug 2026
- Website: http://www.hookpartners.com

Hook Partners is a financial organization. Nothing is publicly known about the organization other than this announcement. If you have more information, please update this profile.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 4 | 33% |
| Telecommunications | 4 | 33% |
| Wireless | 3 | 25% |
| Internet | 2 | 17% |
| ISP | 1 | 8% |

19 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Funding Round | 4 | 33% |
| Series B | 3 | 25% |
| Series C | 2 | 17% |
| Series D | 2 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Sylantro | Sylantro Systems is a provider of software used by service providers to deliver hosted VoIP applications and services for business, consumer, and wireless customers. Synergy, Sylantro's carrier-grade software platform, enables service providers to rapidly deliver differentiated, high value, high margin telephony services, ranging from IPTrunking to hosted PBX services and hosted consumer applications. | $15M | Series D | Oct 13, 2003 |  |
| Xtera | Xtera is a privately held network equipment and services company, and a leading provider of optical networks for terrestrial and subsea applications. Over the last year Xtera has succeeded in expanding its customer base and product portfolio in both existing and new markets. The AscenVision acquisition continues this strategic growth, extendingXtera's product portfolio beyond the optical layer.Xtera supplies both un-repeatered and repeatered systems, using our high-performance optical amplifiers to deliver traffic directly inland to cities. They create novel solutions that are tailored to each individual customer, whether providing a full turnkey system, an open architecture design, or a supply of a particular product or service. | $30M |  | Aug 19, 2003 |  |
| Spatial Wireless | Spatial Wireless, Inc. manufactures and delivers software-based networking solutions for mobile networks. The company develops and deploys distributed mobile switching solutions. It offers Spatial Atrium, a distributed architecture switch for distributed mobile switching center (MSC), distributed gateway MSC, and network services overlay solutions.Spatial Wireless, Inc. was formerly known as Spatial Communications Technologies, Inc. | $27M | Series D | Jun 01, 2003 |  |
| Monet Mobile Networks | Headquartered in Seattle, Monet Mobile Networks Inc. (formerly Burst Wireless Inc.) was founded by telecommunications industry veterans in mid-1999. Monet is a wireless Internet service provider, offering users fast, mobile access to the complete Internet, email, corporate intranet applications, data and customer support. The Monet service can bepurchased online at www.monetmobile.com, at Wireless Retail, Inc., Blockbuster Video, Best Buy stores and other authorized dealers in Sioux Falls, S.D., Fargo, N.D. and Moorhead, MN for $49.95 per month. The company's investors include Mayfield, Soros Private Equity Partners, Qualcomm, Intel Capital and Hook Partners. For more information, please visit www.monetmobile.com. | $32M |  | Mar 11, 2002 |  |
| White Rock Networks | As of 2006, White Rock Networks, Inc. was acquired by Turin Networks, Inc. White Rock Networks, Inc. provides transport and switching, ethernet service delivery, and Internet protocol (IP) aggregation solutions for carriers. It offers transport and switching solutions, such as SONET transport, ethernet and TDM access, integrated ADM/DCS,standalone mini DCS, DWDM, and wireless backhaul, as well as dispersion compensation, pre-amplification, post-amplification, and in line amplification. The company also offers on-net and off-net ethernet service delivery; and IP aggregation services, such as router port aggregation, backhaul, and carrier-grade VoIP. White Rock Networks was founded in 1999 and is headquartered in Richardson, Texas. | $60M | Series C | Jan 02, 2002 |  |
| SteelEye Technology | SteelEye is a leading provider of data and application availability management solutions for business continuity and disaster recovery. The SteelEye LifeKeeper family of application-focused data replication, high availability clustering and disaster recovery solutions are easy to deploy and operate, and enable enterprises of all sizes to ensurecontinuous availability of business-critical applications, servers and data. | $20M | Series B | Jul 16, 2001 |  |
| Xtera | Xtera is a privately held network equipment and services company, and a leading provider of optical networks for terrestrial and subsea applications. Over the last year Xtera has succeeded in expanding its customer base and product portfolio in both existing and new markets. The AscenVision acquisition continues this strategic growth, extendingXtera's product portfolio beyond the optical layer.Xtera supplies both un-repeatered and repeatered systems, using our high-performance optical amplifiers to deliver traffic directly inland to cities. They create novel solutions that are tailored to each individual customer, whether providing a full turnkey system, an open architecture design, or a supply of a particular product or service. | $110M | Series B | Jan 29, 2001 |  |
| Sylantro | Sylantro Systems is a provider of software used by service providers to deliver hosted VoIP applications and services for business, consumer, and wireless customers. Synergy, Sylantro's carrier-grade software platform, enables service providers to rapidly deliver differentiated, high value, high margin telephony services, ranging from IPTrunking to hosted PBX services and hosted consumer applications. | $55M | Series C | Oct 01, 2000 |  |
| bTrade.com | bTrade.com, formerly Comm-Press Technologies, Inc., is the leading provider of infrastructure solutions that link e-Business partners and communities, whether Internet or legacy-based, without requiring changes to any existing applications. | $11.2M | Series B | Apr 28, 2000 |  |
| Genta | Genta Incorporated is a biopharmaceutical company focused on the identification, development and commercialization of drugs for the treatment of people with cancer. Genta has built a broad portfolio of proprietary products in various stages of clinical development. The Company’s drugs include Ganite (gallium nitrate injection), tesetaxel, and oralgallium. | $8.4M |  | Aug 19, 1991 |  |

10 of 12 investments shown.

## Co-investors
- [Mayfield Fund](https://shizune.co/investors/profile/mayfield-fund) — VC Fund, 4 deals together
- [ARCH Venture Partners](https://shizune.co/investors/profile/arch-venture-partners) — VC Fund, 2 deals together
- [Azure Capital Partners](https://shizune.co/investors/profile/azure-capital-partners) — VC Fund, 2 deals together
- [Berkeley International Capital Corporation](https://shizune.co/investors/profile/berkeley-international-capital-corporation) — VC Fund, 2 deals together
- [CenterPoint Venture Partners](https://shizune.co/investors/profile/centerpoint-venture-partners) — VC Fund, 2 deals together
- [CIT Group](https://shizune.co/investors/profile/cit-group) — VC Fund, 2 deals together

## Similar investors

### Similar stage
- [Bpifrance](https://shizune.co/investors/profile/bpifrance) — VC Fund
- [SFC Capital](https://shizune.co/investors/profile/startup-funding-club) — VC Fund
- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund

## FAQ

### What does Hook Partners invest in?

Hook Partners invests primarily in Software, Telecommunications and Wireless startups, most often at Funding Round and Series B stage. Most of the 12 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 Hook Partners last invest?

The most recent investment recorded for Hook Partners closed in Oct 2003. Shizune tracks 12 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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