14 institutions reported holding $4.3M of DAXOR CORP (DXR) in SEC 13F filings for 2026-06-30. Largest institutional holders: THOMPSON SIEGEL & WALMSLEY LLC ($2.5M), VANGUARD GROUP INC ($506,161), Aristides Capital LLC ($429,180), RENAISSANCE TECHNOLOGIES LLC ($302,883), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($275,380). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | THOMPSON SIEGEL & WALMSLEY LLC | $2.5M | 241,767 | Added |
| 2 | VANGUARD GROUP INC | $506,161 | 49,868 | Added |
| 3 | Aristides Capital LLC | $429,180 | 41,689 | Trimmed |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $302,883 | 29,421 | Added |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $275,380 | 27,131 | Added |
| 6 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | $128,685 | 12,500 | Hold |
| 7 | Crescent Grove Advisors, LLC | $127,892 | 12,423 | Added |
| 8 | SBI Securities Co., Ltd. | $32,233 | 3,131 | Added |
| 9 | MORGAN STANLEY | $31,780 | 3,087 | Hold |
| 10 | OSAIC HOLDINGS, INC. | $5,145 | 500 | Hold |
| 11 | Tower Research Capital LLC (TRC) | $3,140 | 305 | Added |
| 12 | UBS Group AG | $1,771 | 172 | New |
| 13 | JPMORGAN CHASE & CO | $61 | 6 | Added |
| 14 | Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30