Daxor Corporation
Ownership
Ownership Structure
Who owns Daxor Corporation (DXR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 49.7% of the shares are freely tradable; institutional investors hold 6.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Thompson, Siegel & Walmsley LLC | 4.14 | 241,767 | +4.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 0.84 | 48,831 | +1.1 | 06/30/2026 |
| Aristides Capital LLC | 0.71 | 41,689 | +0.0 | 06/30/2026 |
| Renaissance Technologies Corp | 0.50 | 29,421 | +5.0 | 06/30/2026 |
| Susquehanna International Group, LLP | 0.46 | 27,131 | +97.7 | 06/30/2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 0.21 | 12,500 | +0.0 | 06/30/2026 |
| Crescent Grove Advisors, LLC | 0.21 | 12,423 | +15.9 | 06/30/2026 |
| SBI Securities Co Ltd | 0.05 | 3,131 | +0.1 | 06/30/2026 |
| Morgan Stanley - Brokerage Accounts | 0.05 | 3,087 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 0.84 | 49,108 | +0.6 | 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 |
|---|---|---|---|---|---|
| Jefferies John | Chief Medical Officer | 26,008 | 221,068 $ | Aug 28, 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 |
|---|---|---|---|---|---|---|
| Aug 28, 2026 | Jefferies John | Chief Medical Officer | Other | 2,451 | 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 11, 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.