Quick Takeaways
- Ph.D. Jonathan M. Rothberg has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $36,194,891.
- Recent insider filing activity is available below.
- Info
- Significant Ownership
- Insider Ownership
Insider Trading & Ownership of Ph.D. Jonathan M. Rothberg
- Location
- Guilford, CT
- Summary
- The estimated net worth of Ph.D. Jonathan M. Rothberg is at least $36,194,891 dollars as of 08 Jan 2026. Ph.D. Jonathan M. Rothberg is the Director, 10%+ Owner of Quantum-Si Inc and owns shares of Quantum-Si Inc (QSI) stock worth about $22.49M. Ph.D. Jonathan M. Rothberg is the Director, 10%+ Owner of Butterfly Network, Inc. and owns shares of Butterfly Network, Inc. (BFLY) stock worth about $13.71M.
- Signature
- /s/ Jonathan M. Rothberg, Ph.D.
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Ph.D. Jonathan M. Rothberg and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: Quantum-Si Inc ($22,488,490).
- Past-year value change for that position: -$80,112.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Ph.D. Jonathan M. Rothberg
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| QSI, QSIAW | Quantum-Si Inc | Director, 10%+ Owner | $22,488,490 | -$80,112 | -0.35% | 16 Oct 2025 |
| BFLY | Butterfly Network, Inc. | Director, 10%+ Owner | $13,706,401 | -$20,807,830 | -60% | 06 Jan 2026 |
| HYPR | Hyperfine, Inc. | Director, 10%+ Owner | 12 Jun 2024 |
Insider Transactions Reported by Ph.D. Jonathan M. Rothberg:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.