Max Altman
Angel Investor @ Hydrazine Capital
San Francisco, United States
Max Altman is a seed investor at Hydrazine Capital in San Francisco focused on Software and Artificial Intelligence. Max Altman - Co-Founder and Managing Partner @ Saga Ventures
- Total investments:
- 69
- Last investment:
- Lead investor:
- 23%
Last updated:
For AI agents: llms.txt
Industries Max Altman invests in
Stages Max Altman invests in
Countries Max Altman invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $2M–$11M
- Series A
- $13M–$36M
- Series B
- $23M–$80M
Investment Focus
Industry
- Software 23 (33%)
- Artificial Intelligence 13 (19%)
- Health Care 9 (13%)
- SaaS 8 (12%)
- FinTech 6 (9%)
Stage
- Seed 27 (39%)
- Series A 16 (23%)
- Series B 9 (13%)
- Series C 3 (4%)
- Pre-Seed 2 (3%)
Country
- United States 46 (67%)
- Canada 2 (3%)
- India 1 (1%)
- United Kingdom 1 (1%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Profound
|
FatherSonMatchingShirts store offers a wide variety of apparel such as t-shirts, sweatshirts, hoodies, tank tops, and mugs. We're trying our best to bring customers. You are welcome to FatherSonMatchingShirts. We're trying our best to bring customers the shirts are made of high quality materials for maximum comfort in whatever you do. | $180M / Series D / Sep 15, 2026 | |
| Hike Medical develops a healthcare technology platform that supports the workflow for durable medical equipment, prosthetics and orthotics, and podiatry providers. Its platform combines Hike Clinical for patient evaluations, documentation, 3D scanning, and device ordering with Hike Intelligence for referral processing, eligibility checks,documentation management, and payer-related workflows. The company also operates an in-house laboratory that uses 3D printing to produce custom orthotics and other devices, including diabetic shoes and inserts. Its system connects clinical, administrative, ordering, and fabrication processes within a single workflow, helping providers manage patient referrals through device fulfillment. | $22.5M / Series A / Aug 25, 2026 | ||
|
Profound
|
FatherSonMatchingShirts store offers a wide variety of apparel such as t-shirts, sweatshirts, hoodies, tank tops, and mugs. We're trying our best to bring customers. You are welcome to FatherSonMatchingShirts. We're trying our best to bring customers the shirts are made of high quality materials for maximum comfort in whatever you do. | $96M / Series C / Feb 24, 2026 | |
| Dedalus Labs is building the MCP gateway for the next generation of AI applications by unifying the fragmented AI agents ecosystem with a single drop-in API endpoint. We host and manage your MCP servers, allowing users to go from idea to production in a single click. Users can pick any model from any vendor, mix-and-match whatever tools they wantfrom our MCP marketplace, and ship within minutes. YC S25. | $11M / Seed / Oct 15, 2025 | ||
|
Profound
|
FatherSonMatchingShirts store offers a wide variety of apparel such as t-shirts, sweatshirts, hoodies, tank tops, and mugs. We're trying our best to bring customers. You are welcome to FatherSonMatchingShirts. We're trying our best to bring customers the shirts are made of high quality materials for maximum comfort in whatever you do. | $35M / Series B / Aug 12, 2025 | |
| Coco is a last-mile delivery service that deploys human-operated sidewalk robots to transport goods from merchants to their customers. Its robot fleet serves thousands of customers per week in Santa Monica, Los Angeles, Austin, and Houston, paving the way for a more optimistic future of delivery that benefits local communities.Launched inFebruary 2020, the company has partnered with national restaurant brands like SBE (Umami Burger) and is actively scaling across many locations. It serves a wide range of family-operated restaurants like Bangkok West Thai in Santa Monica and San Pedro Brewing Company in Los Angeles. | $80M / Series B / Jun 11, 2025 | ||
| Promise is a film, series, and innovative format studio powered by the world’s best Gen AI artists and storytellers. | Venture - Series Unknown / May 20, 2025 | ||
| Campuswire is a real-time messaging app for college classes that streamlines class discussions, Q&A, and announcements. The company on a mission to optimize the world’s teaching and learning. They are assembling a world-class team of engineers, designers, pedagogists, and more to solve problems in teaching and learning. | $46M / Series B / Mar 20, 2025 | ||
| Icon helps brands partner with creators, turn 1 video into 20 videos with AI, and A/B test messaging to find winning ads. We’re backed by Peter Thiel’s Founders Fund, as well as founders & executives of OpenAI, Ramp, Flexport, Pika, & Cognition (Devin). | Feb 04, 2025 | ||
| Stand simulates real-world risk using physics and AI. | $30M / Series A / Dec 16, 2024 | ||
| See all 69 investments → | |||
Co-Investors
About Hydrazine Capital
Hydrazine Capital is a venture capital firm started by Sam Altman and Ryan Cohen.
Hydrazine Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Ryan Cohen
Partner
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Sam Altman
Founder
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FAQ
What does Max Altman invest in?
Max Altman invests primarily in Software, Artificial Intelligence and Health Care startups, most often at Seed and Series A stage. Most of the 69 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 Max Altman's check size?
Max Altman typically joins rounds of $2M–$11M at Seed, $13M–$36M at Series A and $23M–$80M 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 Max Altman participates in.
How do I contact Max Altman?
Public channels for Max Altman include LinkedIn. 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.
When did Max Altman last invest?
The most recent investment recorded for Max Altman closed in Sep 2026. Shizune tracks 69 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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