Comparable stake leader
Of Joseph Feldschuh Estate
SEC ownership of DAXOR CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000027367.
Disclosed value leader
Of Joseph Feldschuh Estate
Comparable rows
0/24
Latest evidence
08 Apr 2026
- Public ticker
- DXR on Nasdaq
- Parsed ownership sources
- 3/4/5 and 13F
- Largest SEC-reported holder
- Of Joseph Feldschuh Estate
- Latest parsed ownership date
- 08 Apr 2026
- Issuer CIK
- 0000027367
- Issuer location
- Oak Ridge, TN
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of DAXOR CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Of Joseph Feldschuh Estate
Disclosed value leader
Of Joseph Feldschuh Estate
Comparable rows
0/24
Latest evidence
08 Apr 2026
3/4/5
13F
Highest disclosed value: $24,857,186
24 rows are not safely comparable across share classes.
Showing 1-8 of 24 holder rows.
Quick read
Of Joseph Feldschuh Estate has the largest disclosed position value at $24.86M.
0 of 24 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Of Joseph Feldschuh Estate's linked filing trail.
Disclosed position value
Top 5
Of Joseph Feldschuh Estate
$24.86M
THOMPSON SIEGEL & WALMSLEY LLC
$2.24M
Michael Richard Feldschuh
$1.94M
Jonathan Adam Feldschuh
$691.6K
VANGUARD CAPITAL MANAGEMENT LLC
$469.3K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 24 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Of Joseph Feldschuh Estate |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$24,857,186
2,549,455 shares
|
— | 18 Sep 2023 |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
Company
|
—
class O/S missing
|
$2,245,000
232,120 shares
|
— | 31 Mar 2026 |
| Michael Richard Feldschuh |
3/4/5
Chief Executive Officer, Director
|
—
class O/S missing
|
$1,938,204
213,694 shares
|
+$9,070 | 08 Apr 2026 |
| Jonathan Adam Feldschuh |
3/4/5
Chief Scientific Officer, Director
|
—
class O/S missing
|
$691,639
53,908 shares
|
— | 09 Dec 2025 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$469,282
48,280 shares
|
— | 31 Mar 2026 |
| Aristides Capital LLC |
13F
Company
|
—
class O/S missing
|
$403,162
41,692 shares
|
— | 31 Mar 2026 |
| John Jefferies |
3/4/5
Chief Medical Officer
|
—
class O/S missing
|
$347,465
23,557 shares
|
— | 20 Mar 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
class O/S missing
|
$270,866
28,011 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$18,970.
Buys
$18,970
Insiders: 2
Sells
$0
Insiders: 0
Net
+$18,970
Shares: +2,000
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 2,000
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 2,000 | 0 | $18,970 | $0 | +$18,970 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-10 of 10 reporting-owner rows connected to DAXOR CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Of Joseph Feldschuh Estate
Net 12M change
+$18,970
Latest report
08 Apr 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Of Joseph Feldschuh Estate | 10%+ Owner | $24,857,186 | Mixed | 18 Sep 2023 | ||
| Michael Richard Feldschuh | Chief Executive Officer, Director | $1,938,204 | +$9,070 | +0.47% | Filing P/S | 08 Apr 2026 |
| Jonathan Adam Feldschuh | Chief Scientific Officer, Director | $691,639 | Mixed | 09 Dec 2025 | ||
| John Jefferies | Chief Medical Officer | $347,465 | Mixed | 20 Mar 2026 | ||
| Robert J. Michel | Chief Financial Officer | $208,395 | +$9,900 | +5% | Filing P/S | 31 Mar 2026 |
| Caleb DesRosiers | Director | Mixed | 24 Jun 2025 | |||
| James A. Lombard | Director | Mixed | 11 Jul 2023 | |||
| Henry D. Cremisi | Director | Mixed | 24 Jun 2025 | |||
| Joy S. Goudie | Director | Mixed | 24 Jun 2025 | |||
| Edward Feuer | Director | Mixed | 24 Jun 2025 |
Recent insider transactions for DAXOR CORP
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael Richard Feldschuh | DXR | Daxor Common Stock | Purchase | 0.47% | $9,070 | $9.07 | 1,000 | 213,694 | 08 Apr 2026 | Direct |
| Robert J. Michel | DXR | Daxor Common Stock | Purchase | 4.99% | $9,900 | $9.90 | 1,000 | 21,050 | 31 Mar 2026 | Direct |
| John Jefferies | DXR | Daxor Common Stock | Purchase | 33.7% | 5,941 | 23,557 | 20 Mar 2026 | Direct | ||
| Robert J. Michel | DXR | Daxor Common Stock | Purchase | 17.6% | 3,000 | 20,050 | 09 Dec 2025 | Direct | ||
| Jonathan Adam Feldschuh | DXR | Daxor Common Stock | Purchase | 50.1% | 18,000 | 53,908 | 09 Dec 2025 | Direct | ||
| John Jefferies | DXR | Daxor Common Stock | Purchase | 15.4% | 2,344 | 17,616 | 12 Nov 2025 | Direct | ||
| Henry D. Cremisi | DXR | Stock Options (right to buy) | Award | 2,500 | 2,500 | 24 Jun 2025 | Direct | |||
| Edward Feuer | DXR | Stock Options (right to buy) | Award | 2,500 | 2,500 | 24 Jun 2025 | Direct | |||
| Joy S. Goudie | DXR | Stock Options (right to buy) | Award | 2,500 | 2,500 | 24 Jun 2025 | Direct | |||
| Caleb DesRosiers | DXR | Stock options (right to buy) | Award | 2,500 | 2,500 | 24 Jun 2025 | Direct |
* marks a reported price that did not pass the local price check.