# Nat Turner

> Nat Turner is a seed investor at Collectors (New York) backing Health Care and Software. See 78 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Collectors](https://shizune.co/investors/profile/collectors)
- Location: New York, United States
- Total investments: 78
- Last investment: Feb 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/natsturner
- X (Twitter): http://twitter.com/natsturner
- Website: http://www.natsturner.com
- Facebook: http://www.facebook.com/natsturner

Nat Turner is a seed investor at Collectors in New York focused on Health Care and Software. Nat Turner is based out of New York, New York, and is the CEO and Chairman of Collectors. Nat previously worked at OneOncology as a board member. Nat Turner attended the Wharton School of the University of Pennsylvania.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.5M–$6.3M |
| Series A | $3M–$25M |
| Series B | $5M–$36M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Health Care | 23 | 29% |
| Software | 20 | 26% |
| Medical | 12 | 15% |
| Artificial Intelligence | 7 | 9% |
| SaaS | 5 | 6% |

125 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 35 | 45% |
| Series A | 24 | 31% |
| Series B | 6 | 8% |
| Funding Round | 4 | 5% |
| Pre-Seed | 3 | 4% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 61 | 78% |
| China | 1 | 1% |
| Colombia | 1 | 1% |
| New Zealand | 1 | 1% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| CollX | CollX (pronounced “collects”) is the fastest way to figure out what your cards are worth. Snap photos of them and instantly get the current market price. The company was founded in 2021 and is headquartered in Haddonfield, New Jersey, United States. | $5.5M | Seed | Feb 22, 2023 |  |
| Collectors | Collectors offers authentication and sale services for high-value collectibles. | $100M |  | Mar 30, 2022 |  |
| Collectors | Collectors offers authentication and sale services for high-value collectibles. | $100M | Private Equity | Mar 30, 2022 |  |
| Oshi Health | Oshi Health is a virtual-first gastroenterology (GI) clinic that diagnoses, treats and remotely monitors digestive (GI) conditions. Patients work with Oshi Health's integrated care team of gastroenterologists and GI-specialized nurse practitioners, registered dietitians, behavioral psychologists and health coaches to determine the root causesof their symptoms and use a personalized care plan that includes medication, dietary interventions and stress/anxiety reduction to get symptoms under control. This yields improved health outcomes, quality of life, satisfaction with care and workplace productivity while reducing overall healthcare cost. | $23M | Series A | Oct 12, 2021 |  |
| Iterative Scopes | Iterative Scopes delivers tools for physicians and life sciences in colorectal cancer and inflammatory bowel disease space. The company was founded in 2017 and is based in Cambridge, Massachusetts. | $30M | Series A | Aug 03, 2021 |  |
| Iterative Health | Iterative Health is a healthcare technology and services company that focuses on accelerating clinical research to improve patient outcomes through innovative approaches. The company transforms gastrointestinal (GI) care by utilizing AI-driven clinical trials and diagnostics, significantly enhancing access to vital treatments. | $30M | Series A | Aug 03, 2021 |  |
| Connie Health | Connie Health empowers older Americans to make confident, worry-free healthcare decisions. | $13M | Series A | Jul 28, 2021 |  |
| Nym | Nym transforms revenue cycle management by fully automating the medical coding process. Our engine deciphers clinical language in patient charts and accurately assigns medical charge codes in seconds and with zero human intervention. By automating medical coding with Nym, healthcare providers can improve coding quality while significantlyreducing the time and cost associated with medical coding. This ultimately ensures clinical and administrative teams can spend more time focused on patient care. | $25M |  | Jul 27, 2021 |  |
| Nym | Nym transforms revenue cycle management by fully automating the medical coding process. Our engine deciphers clinical language in patient charts and accurately assigns medical charge codes in seconds and with zero human intervention. By automating medical coding with Nym, healthcare providers can improve coding quality while significantlyreducing the time and cost associated with medical coding. This ultimately ensures clinical and administrative teams can spend more time focused on patient care. | $25M | Series B | Jul 27, 2021 |  |
| Nym | Nym transforms revenue cycle management by fully automating the medical coding process. Our engine deciphers clinical language in patient charts and accurately assigns medical charge codes in seconds and with zero human intervention. By automating medical coding with Nym, healthcare providers can improve coding quality while significantlyreducing the time and cost associated with medical coding. This ultimately ensures clinical and administrative teams can spend more time focused on patient care. | $25M | Series A | Jul 27, 2021 |  |

10 of 78 investments shown.

## Co-investors
- [Bessemer Venture Partners](https://shizune.co/investors/profile/bessemer-venture-partners) — VC Fund, 8 deals together
- [Operator Partners](https://shizune.co/investors/profile/operator-partners) — VC Fund, 7 deals together
- [Arkitekt Ventures](https://shizune.co/investors/profile/arkitekt-ventures) — VC Fund, 6 deals together
- [BoxGroup](https://shizune.co/investors/profile/boxgroup) — VC Fund, 6 deals together
- [Dynamic Loop Capital](https://shizune.co/investors/profile/dynamic-loop-capital) — VC Fund, 5 deals together
- [Founder Collective](https://shizune.co/investors/profile/founder-collective) — VC Fund, 5 deals together

## About Collectors

VC Fund · Santa Ana, United States

Collectors offers authentication and sale services for high-value collectibles.

2 contacts available at Collectors.

| Name | Title | Profile |
| --- | --- | --- |
| Nat Turner | CEO | https://shizune.co/investors/profile/nat-turner |
| Jason Harinstein | Chief Financial Officer | https://shizune.co/investors/profile/jason-harinstein-2 |

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

### Similar country
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## Featured in investor lists
- [All Angel Investors in United States](https://shizune.co/investors/angel-investors-united-states)
- [Transportation Angel Investors in United States](https://shizune.co/investors/transportation-angel-investors-united-states)
- [Software Angel Investors in United States](https://shizune.co/investors/software-angel-investors-united-states)
- [Health Care Angel Investors](https://shizune.co/investors/health-care-angel-investors)
- [Health Care Angel Investors in United States](https://shizune.co/investors/health-care-angel-investors-united-states)
- [Artificial intelligence Angel Investors](https://shizune.co/investors/artificial-intelligence-angel-investors)

## FAQ

### What does Nat Turner invest in?

Nat Turner invests primarily in Health Care, Software and Medical startups, most often at Seed and Series A stage. Most of the 78 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 Nat Turner's check size?

Nat Turner typically joins rounds of $1.5M–$6.3M at Seed, $3M–$25M at Series A and $5M–$36M 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 Nat Turner participates in.

### When did Nat Turner last invest?

The most recent investment recorded for Nat Turner closed in Feb 2023. Shizune tracks 78 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co