ALPHA PRO TECH LTD (APT) Stock Institutional Trading Activity


ALPHA PRO TECH LTD (APT) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCSell-12,803522,972$2,321,996
Q3 2025Renaissance Technologies LLCSell-300535,775$2,563,685
Q2 2025Renaissance Technologies LLCSell-3,484536,075$2,514,192
Q1 2025Renaissance Technologies LLCSell-25,916539,559$2,697,795
Q4 2024Renaissance Technologies LLCSell-24,800565,475$2,991,363
Q3 2024Renaissance Technologies LLCSell-42,100590,275$3,364,568
Q2 2024Renaissance Technologies LLCBuy8,316632,375$3,478,063
Q1 2024Renaissance Technologies LLCBuy35,492624,059$3,894
Q4 2023Renaissance Technologies LLCBuy7,062588,567$3,114
Q3 2023Renaissance Technologies LLCSell-15,981581,505$2,524
Q2 2023Renaissance Technologies LLCSell-29,979597,486$2,378
Q1 2023Renaissance Technologies LLCBuy66,002627,465$2,610
Q4 2022Renaissance Technologies LLCSell-31,700561,463$2,257
Q3 2022Renaissance Technologies LLCSell-56,600593,163$2,402
Q2 2022Renaissance Technologies LLCSell-300649,763$2,898
Q1 2022Renaissance Technologies LLCBuy38,900650,063$2,730
Q4 2021Renaissance Technologies LLCBuy49,500611,163$3,649
Q3 2021Renaissance Technologies LLCBuy66,600561,663$3,780
Q2 2021Renaissance Technologies LLCBuy28,500495,063$4,243
Q1 2021Renaissance Technologies LLCSell-286,201466,563$4,554
Q4 2020Renaissance Technologies LLCSell-155,052752,764$8,393
Q3 2020Renaissance Technologies LLCSell-50,900907,816$13,418
Q2 2020Renaissance Technologies LLCSell-81,400958,716$16,969
Q1 2020Renaissance Technologies LLCSell-18,6121,040,116$12,565
Q4 2019Renaissance Technologies LLCSell-19,9001,058,728$3,631
Q3 2019Renaissance Technologies LLCSell-19,6581,078,628$3,894
Q2 2019Renaissance Technologies LLCSell-35,2891,098,286$3,745
Q1 2019Renaissance Technologies LLCBuy11,1051,133,575$4,081
Q4 2018Renaissance Technologies LLCSell-84,2471,122,470$4,164
Q3 2018Renaissance Technologies LLCSell-44,1931,206,717$4,284

Frequently asked questions about APT activity

  • Which institutional owners are buying APT?

    Institutional owners buying APT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in APT activity?

    "Buy" means an investor increased their reported position in APT compared to the prior reporting period. This reflects growing exposure to ALPHA PRO TECH LTD (APT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in APT increasing?

    Institutional interest in APT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.