Alpha Pro Tech Ltd

APT

Exchange: NYSE
Industry: Orthopedic, Prosthetic & Surgical Appliances & Supplies
SEC CIK: 0000884269

SEC filings (opens in a new tab)

In the last 90 days, Alpha Pro Tech Ltd insiders filed 0 open-market purchases and 3 sales; 41 institutions reported holding it in 13F filings for Q2 2026, worth $17.1M in total; no superinvestor holds it.

Q1 2023 vs. Q4 2022

How the institutions holding Alpha Pro Tech Ltd changed between Q4 2022 and Q1 2023.

All holders in Q1 2023 All holders in Q4 2022

13F holders of APT: Q4 2022 compared with Q1 2023
Measure	Q4 2022	Q1 2023	Change
Holders	35	30	−5
Shares	2.44M	2.37M	−67.6K (−2.8%)
Value	$9.83M	$9.87M	+$40.2K (+0.4%)

New holders (0)

Institutions that held Alpha Pro Tech Ltd at the end of Q1 2023 but not at the end of Q4 2022.

None.

Sold out (5)

Institutions that held Alpha Pro Tech Ltd at the end of Q4 2022 and filed for Q1 2023 without it.

Institutions that sold out of APT in Q1 2023
Institution	Shares, Q4 2022	Value, Q4 2022
Lion Street Advisors, LLC	11,088	$66.8K
Millennium Management LLC	15,064	$61.0K
Virtu Financial LLC	11,247	$45.0K
Tower Research Capital LLC (TRC)	200	$1.00K
PEAK6 Investments LLC	103	$414