Tamarack Global
VC Fund
New York, United States
Tamarack Global is a VC fund in New York focused on Aerospace and CleanTech. Tamarack Global operates as an investment firm that invests in new markets and new economies. The frim specializes in the fields of finance, financial services, and hedge funds.
- Total investments:
- 31
- Last investment:
- Lead investor:
- 23%
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Tamarack Global invests in
Stages Tamarack Global invests in
Countries Tamarack Global invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
3 more contacts available
Round size
- Seed
- $1.8M–$47M
- Series A
- $10M–$700M
- Series B
- $20M–$675M
Investment Focus
Industry
- Aerospace 3 (10%)
- CleanTech 3 (10%)
- Clean Energy 3 (10%)
- Internet 2 (6%)
- Software 2 (6%)
Stage
- Seed 7 (23%)
- Series A 6 (19%)
- Series B 3 (10%)
- Series C 2 (6%)
- Funding Round 2 (6%)
Country
- United States 13 (42%)
- Denmark 1 (3%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
John McCormick
Founder
|
Founder | Total investments: 3 | Find email | |
Rob Eloff
Partner
|
Partner | Total investments: 2 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Hark
|
Hark is an AI lab focused on creating advanced personal intelligence through the combination of foundation models and specialized hardware. The company develops an AI interface through custom hardware and autonomous computing, integrated with multimodal models and highly personalized memory. | $700M / Series A / May 20, 2026 | |
Rilian Technologies
|
Rilian develops cybersecurity and defense technology platforms that enable organizations to deploy, integrate, and operate advanced security tools across complex and regulated environments. The company provides an AI-driven security orchestration platform that unifies multiple cybersecurity tools into a single interface, allowing analysts toautomate workflows, monitor threats, and respond to incidents more efficiently. Its offerings include systems for automated deployment and compliance that allow security technologies to operate in air-gapped, sovereign, and highly regulated environments without relying on traditional cloud infrastructure. The company also maintains a curated ecosystem of cybersecurity tools that are pre-integrated and validated for use in mission-critical settings, reducing complexity in adoption and integration. | $17.5M / Seed / Apr 23, 2026 | |
Blue Energy
|
Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity. | $380M / Venture - Series Unknown / Apr 21, 2026 | |
Isembard
|
Isembard has experience from the military, government, large enterprises, and a successfully exited technology business. | $50M / Series A / Mar 09, 2026 | |
Antithesis
|
Antithesis develops QA software that revolutionizes the way software testing is performed. At Antithesis, the company wants to bring the confidence and productivity benefits of autonomous testing to your team. It has developed a platform that searches for bugs in your software, in a controlled environment where all bugs are reproducible. Its firstoffering finds fault tolerance bugs: failures of the software that occur under specific network, hardware, or timing conditions. | $105M / Series A / Dec 03, 2025 | |
Poseidon Aerospace
|
Poseidon Aerospace develops autonomous sea-based aircraft designed to transport cargo using ground effect flight. The company produces uncrewed sea gliders that operate just above the water surface to enhance fuel efficiency and increase payload capacity. | $11M / Seed / Nov 05, 2025 | |
Figure
|
Figure is an AI robotics company that develops autonomous general-purpose humanoid robots to address labor shortages and reduce the number of workers in unsafe jobs. It also develops commercially viable autonomous humanoid robots that lend support across manufacturing, logistics, warehousing, and retail. | $1B / Series C / Sep 16, 2025 | |
Impulse Space
|
Impulse Space develops spacecraft and propulsion systems that provide transportation and mobility services for payloads operating in space. The company focuses on moving, deploying, and hosting payloads across a range of orbital destinations, including low Earth orbit, geostationary orbit, and other deep-space trajectories. Its vehicle portfolioincludes Mira, a spacecraft designed for payload hosting, deployment, and orbital maneuvers, and Helios, a transfer vehicle intended to transport larger payloads between orbits. Impulse Space designs, manufactures, and tests much of its hardware in-house, covering spacecraft systems, propulsion components, and mission integration. The company supports commercial, civil, and government missions by providing in-space transportation and logistics capabilities after launch. | $300M / Series C / Jun 03, 2025 | |
EARTH AI
|
EARTH AI is the world’s most efficient mineral explorer, finding new deposits of metals worth $10-100M, 12X faster and 35X cheaper than the competition, through AI mineral targeting system (field-proven to be 50x more successful at finding mineralized prospects), and 5X cheaper field operations achieved through hardware automation and streamlinedin house operations. | $20M / Series B / Jan 27, 2025 | |
|
Blue Energy
|
Blue Energy is a nuclear power plant company that provides reliable, clean, and abundant electricity. | $45M / Series A / Oct 08, 2024 | |
| See all 31 investments → | |||
Co-Investors
Liquid 2 Ventures
5 deals together
Parkway Venture Capital
5 deals together
FJ Labs
4 deals together
New Enterprise Associates
4 deals together
Founders Fund
3 deals together
Intel Capital
3 deals together
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FAQ
What does Tamarack Global invest in?
Tamarack Global invests primarily in Aerospace, CleanTech and Clean Energy startups, most often at Seed and Series A stage. Most of the 31 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Tamarack Global's check size?
Tamarack Global typically joins rounds of $1.8M–$47M at Seed, $10M–$700M at Series A and $20M–$675M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Tamarack Global participates in.
How do I contact Tamarack Global?
Public channels for Tamarack Global include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Tamarack Global?
The team at Tamarack Global includes John McCormick (Founder) and Rob Eloff (Partner). The Team section lists each member with their title, investment count and links.
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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