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Alpha Pro Tech Ltd

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

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

13F holders, Q1 2021

Institutional positions in Alpha Pro Tech Ltd as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
66
No complete 13F data for Q4 2020
Shares held
5.18M
No complete 13F data for Q4 2020
Total value
$50.6M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting APT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 66 institutions
Q1 2021: 66 institutionsQ2 2021: 59 institutionsQ3 2021: 47 institutionsQ4 2021: 44 institutionsQ1 2022: 36 institutionsQ2 2022: 39 institutionsQ3 2022: 37 institutionsQ4 2022: 35 institutionsQ1 2023: 30 institutionsQ2 2023: 30 institutionsQ3 2023: 29 institutionsQ4 2023: 36 institutionsQ1 2024: 39 institutionsQ2 2024: 37 institutionsQ3 2024: 34 institutionsQ4 2024: 30 institutionsQ1 2025: 35 institutionsQ2 2025: 35 institutionsQ3 2025: 40 institutionsQ4 2025: 35 institutionsQ1 2026: 37 institutionsQ2 2026: 41 institutions
Value heldQ1 2021: $50.6M
Q1 2021: $50.6MQ2 2021: $32.1MQ3 2021: $17.9MQ4 2021: $17.3MQ1 2022: $10.5MQ2 2022: $11.9MQ3 2022: $9.90MQ4 2022: $9.83MQ1 2023: $9.87MQ2 2023: $9.61MQ3 2023: $10.5MQ4 2023: $13.4MQ1 2024: $20.2MQ2 2024: $18.1MQ3 2024: $18.5MQ4 2024: $16.4MQ1 2025: $15.7MQ2 2025: $14.0MQ3 2025: $14.4MQ4 2025: $12.8MQ1 2026: $13.5MQ2 2026: $17.1M
Institutions holding APT and their total value by quarter
QuarterHoldersValue
Q2 202641$17.1M
Q1 202637$13.5M
Q4 202535$12.8M
Q3 202540$14.4M
Q2 202535$14.0M
Q1 202535$15.7M
Q4 202430$16.4M
Q3 202434$18.5M
Q2 202437$18.1M
Q1 202439$20.2M
Q4 202336$13.4M
Q3 202329$10.5M
Q2 202330$9.61M
Q1 202330$9.87M
Q4 202235$9.83M
Q3 202237$9.90M
Q2 202239$11.9M
Q1 202236$10.5M
Q4 202144$17.3M
Q3 202147$17.9M
Q2 202159$32.1M
Q1 202166$50.6M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Alpha Pro Tech Ltd.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding APT in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.946,690$9.24M0.00%––
Vanguard Group Inc932,750$9.10M0.00%––
Great Lakes Advisors, LLC595,770$5.82M0.09%––
Renaissance Technologies LLC466,563$4.55M0.01%––
Geode Capital Management, LLC204,229$1.99M0.00%––
State Street Corp202,895$1.98M0.00%––
AQR Capital Management LLC163,593$1.60M0.00%––
Northern Trust Corp127,223$1.24M0.00%––
Winton Group Ltd112,903$1.10M0.06%––
Bridgeway Capital Management, LLC109,500$1.07M0.02%––
Susquehanna International Group, LLP82,977$810.0K0.00%––
Needham Investment Management LLC82,500$805.0K0.11%––
Harvest Investment Services, LLC78,723$768.0K0.35%––
Dimensional Fund Advisors LP77,703$758.0K0.00%––
Bank of New York Mellon Corp75,307$735.0K0.00%––
Citadel Advisors LLC72,773$710.0K0.00%––
Bank of America Corp65,520$639.0K0.00%––
JPMorgan Chase & Co62,239$607.0K0.00%––
Group One Trading, L.P.55,535$542.0K0.01%––
Nuveen Asset Management, LLC54,560$532.0K0.00%––
Summit Global Investments54,410$531.0K0.03%––
Hussman Strategic Advisors, Inc.51,500$503.0K0.10%––
Advisory Services Network, LLC39,075$381.0K0.01%––
Charles Schwab Investment Management Inc31,120$304.0K0.00%––
Citigroup Inc26,869$263.0K0.00%––
QS Investors, LLC26,900$263.0K0.00%––
PDT Partners, LLC26,210$256.0K0.02%––
Morgan Stanley25,869$253.0K0.00%––
Simplex Trading, LLC25,682$250.0K0.01%––
California Public Employees Retirement System25,300$247.0K0.00%––
Wolverine Trading, LLC23,977$227.0K0.00%––
Wells Fargo & Company22,144$216.0K0.00%––
Jane Street Group, LLC21,813$213.0K0.00%––
Paloma Partners Management Co20,599$201.0K0.01%––
Parametric Portfolio Associates LLC20,203$197.0K0.00%––
California State Teachers Retirement System18,442$180.0K0.00%––
Raymond James Financial Services Advisors, Inc.16,328$159.0K0.00%––
Dynamic Technology Lab Private Ltd16,342$159.0K0.02%––
Rhumbline Advisers15,631$153.0K0.00%––
Engineers Gate Manager LP12,451$122.0K0.01%––
Cambridge Investment Research Advisors, Inc.12,310$120.0K0.00%––
Benchmark Financial Wealth Advisors, LLC11,000$107.0K0.06%––
Barclays PLC10,224$100.0K0.00%––
Lion Street Advisors, LLC10,277$99.0K2.36%––
Deutsche Bank AG8,571$84.0K0.00%––
American International Group, Inc.7,129$70.0K0.00%––
James Investment Research Inc7,000$68.0K0.01%––
International Assets Investment Management, LLC5,020$56.0K0.01%––
Advisor Group Holdings, Inc.4,636$46.0K0.00%––
UBS Group AG3,573$35.0K0.00%––
BNP Paribas Arbitrage, SA2,411$23.5K0.00%––
Captrust Financial Advisors1,966$19.0K0.00%––
New York State Common Retirement Fund1,800$18.0K0.00%––
Bank of Montreal1,830$17.0K0.00%––
Legal & General Group Plc1,429$14.0K0.00%––
Tower Research Capital LLC (TRC)1,391$13.0K0.00%––
Ameritas Investment Partners, Inc.1,081$11.0K0.00%––
Royal Bank of Canada1,016$10.0K0.00%––
Sterling Financial Planning, Inc.400$4.00K0.00%––
American Portfolios Advisors150$1.46K0.00%––
FMR LLC54$1.00K0.00%––
Panagora Asset Management Inc58$1.00K0.00%––
Sowell Financial Services LLC121$1.00K0.00%––
Truvestments Capital LLC150$1.00K0.00%––
Valeo Financial Advisors, LLC10$00.00%––
Wagner Wealth Management, LLC50$00.00%––