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Earnings are out

DXR · NASDAQ · Medical - Instruments & Supplies

Daxor (DXR)

Supplies blood-volume diagnostic kits and BVA analyzers.

$10.10

At close−0.80 (−7.34%)

Watchlist

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Breakdown13F · 13D/G · Form 4

Institutions14 holders · as of Mar 31, 2026	7.20%	420.1K shares
Insiders4 holders · as of Sep 1, 2026	6.54%	381.7K shares
Otherremainder	86.26%	5.04M shares

5.84M company shares as of Aug 22, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

The share count has not been confirmed by a second filing; stakes use it as it stands.

Top shareholders13F · 13D/G · Form 4

Holder	Stake	Shares	Evidence
Michael Richard FeldschuhInsiderdirector, officer: Chief Executive Officer	4.17%	243,694	Form 4filed Jun 25, 2026 ↗
Thompson Siegel & Walmsley LLCInstitution	3.98%	232,120	13Fas of Mar 31, 2026
Jonathan Adam FeldschuhInsiderdirector, officer: Chief Scientific Officer	1.35%	78,908	Form 4filed Jun 25, 2026 ↗
Vanguard Capital Management LLCInstitution	0.83%	48,280	13Fas of Mar 31, 2026
Aristides Capital LLCInstitution	0.71%	41,692	13Fas of Mar 31, 2026
Robert J. MichelInsiderofficer: Chief Financial Officer	0.57%	33,050	Form 4filed Jun 25, 2026 ↗
Renaissance Technologies LLCInstitution	0.48%	28,011	13Fas of Mar 31, 2026
John JefferiesInsiderofficer: Chief Medical Officer	0.45%	26,008	Form 4filed Sep 1, 2026 ↗
Empirical Financial Services, LLC D.B.A. Empirical Wealth ManagementInstitution	0.43%	25,192	13Fas of Mar 31, 2026
Susquehanna International Group, LLPInstitution	0.24%	13,720	13Fas of Mar 31, 2026
Nano Cap New Millennium Growth Fund L PInstitution	0.21%	12,500	13Fas of Mar 31, 2026
Crescent Grove Advisors, LLCInstitution	0.18%	10,723	13Fas of Mar 31, 2026
Sbi Securities Co., Ltd.Institution	0.05%	3,128	13Fas of Mar 31, 2026
Morgan StanleyInstitution	0.05%	3,087	13Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution	0.02%	1,037	13Fas of Mar 31, 2026
Advisor Group Holdings, Inc.Institution	0.01%	500	13Fas of Mar 31, 2026
Tower Research Capital LLC (TRC)Institution	0.00%	109	13Fas of Mar 31, 2026
JPMorgan Chase & CoInstitution	0.00%	1	13Fas of Mar 31, 2026
Joseph Feldschuh¹Insider10 percent owner	47.52%	2.77M	Form 4filed Mar 19, 2018 ↗
of Joseph Feldschuh Estate²Insider10 percent owner	43.67%	2.55M	Form 4filed Sep 20, 2023 ↗
Caleb DesRosiers³Insiderdirector	0.05%	3,157	Form 4filed Nov 18, 2022 ↗
Soren Thompson⁴Insiderofficer: VP, Business Development	0.03%	1,950	Form 4filed Aug 2, 2018 ↗
Edward Feuer⁵Insiderdirector	0.02%	1,000	Form 4filed Mar 6, 2024 ↗
Joy S. Goudie⁶Insiderdirector	0.01%	300	Form 4filed May 25, 2023 ↗

Last filed Mar 19, 2018; leaving the company requires no filing. Not in the bar.
Last filed Sep 20, 2023; leaving the company requires no filing. Not in the bar.
Last filed Nov 18, 2022; leaving the company requires no filing. Not in the bar.
Last filed Aug 2, 2018; leaving the company requires no filing. Not in the bar.
Last filed Mar 6, 2024; leaving the company requires no filing. Not in the bar.
Last filed May 25, 2023; leaving the company requires no filing. Not in the bar.

13F — a manager's quarterly holdings · Form 4 — an insider's transaction report

Institutions13F, as of Mar 31, 2026

14 holders · 420.1K shares · 8 new positions · 8 increased · 3 reduced · 2 closed

Holder	Shares	% outstanding	Chg q/q	Filed
Thompson Siegel & Walmsley LLC	232.1K	3.98%	+232.1Knew	May 11, 2026
Vanguard Capital Management LLC	48.3K	0.83%	+48.3Knew	May 15, 2026
Aristides Capital LLC	41.7K	0.71%	+41.7Knew	May 14, 2026
Renaissance Technologies LLC	28.0K	0.48%	−210	May 14, 2026
Empirical Financial Services, LLC D.B.A. Empirical Wealth Management	25.2K	0.43%	+25.2Knew	May 4, 2026
Susquehanna International Group, LLP	13.7K	0.24%	+13.7Knew	May 15, 2026
Nano Cap New Millennium Growth Fund L P	12.5K	0.21%	0	May 15, 2026
Crescent Grove Advisors, LLC	10.7K	0.18%	+10.7Knew	May 6, 2026

Ownership statements13D/G · 5% or more, as filed

No 13D/G filer at 5% or more on record.

Insider tradesForm 4

Latest trades

Date	Insider	Type	Shares	Avg price	Owned after
Apr 8, 2026	Michael Richard Feldschuhdirector, officer: Chief Executive Officer	Purchase	1,000	$9.07	213,694
Mar 31, 2026	Robert J. Michelofficer: Chief Financial Officer	Purchase	1,000	$9.90	21,050
Mar 20, 2026	John Jefferiesofficer: Chief Medical Officer	Purchase · 2 lots	5,941		23,557
Dec 9, 2025	Jonathan Adam Feldschuhdirector, officer: Chief Scientific Officer	Purchase	18,000		53,908
Dec 9, 2025	Robert J. Michelofficer: Chief Financial Officer	Purchase	3,000		20,050
Nov 12, 2025	John Jefferiesofficer: Chief Medical Officer	Purchase	2,344		17,616

CongressHouse and Senate disclosures

Not reported.