Tscan Therapeutics Inc
Ownership
Ownership Structure
Who owns Tscan Therapeutics Inc (TCRX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 85.6% of the shares are freely tradable; institutional investors hold 59.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Lynx1 Capital Management, LP | 11.83 | 8,019,148 | +0.0 | 06/30/2026 |
| Bvf Inc | 8.21 | 5,564,290 | +0.0 | 06/30/2026 |
| Baker Bros Advisors LP | 4.11 | 2,784,792 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.19 | 2,158,831 | +0.2 | 06/30/2026 |
| Two Sigma Investments LLC | 2.88 | 1,949,604 | +61.3 | 06/30/2026 |
| Renaissance Technologies Corp | 1.96 | 1,326,799 | -2.8 | 06/30/2026 |
| Acadian Asset Management LLC | 1.93 | 1,305,840 | +546.5 | 06/30/2026 |
| Deer Management Co. LLC | 1.84 | 1,245,504 | +0.0 | 06/30/2026 |
| Millennium Management LLC | 1.72 | 1,163,611 | -20.3 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.72 | 1,843,137 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| MacBeath Gavin | Chief Executive Officer | 1,049,767 | 197,356 $ | Oct 1, 2026 | direct |
| Zdraveski Zoran | See Remarks | 304,716 | 57,287 $ | Oct 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | MacBeath Gavin | Chief Executive Officer | Other | 1,000,000 | 0.00 | – |
| Oct 1, 2026 | Zdraveski Zoran | See Remarks | Other | 300,000 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 6, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.