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, Q3 2024
Institutional positions in Alpha Pro Tech Ltd as of Sep 30, 2024. 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
- 34
- −2 vs. Q2 2024
- Shares held
- 3.24M
- +226.5K (+7.5%) vs. Q2 2024
- Total value
- $18.5M
- +$1.90M (+11.4%) vs. Q2 2024
- New holders
- 5
- 5 more added
- Sold out
- 7
- 13 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: new holders, sold out and not filed yet
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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 41 | $17.1M |
| Q1 2026 | 37 | $13.5M |
| Q4 2025 | 35 | $12.8M |
| Q3 2025 | 40 | $14.4M |
| Q2 2025 | 35 | $14.0M |
| Q1 2025 | 35 | $15.7M |
| Q4 2024 | 30 | $16.4M |
| Q3 2024 | 34 | $18.5M |
| Q2 2024 | 37 | $18.1M |
| Q1 2024 | 39 | $20.2M |
| Q4 2023 | 36 | $13.4M |
| Q3 2023 | 29 | $10.5M |
| Q2 2023 | 30 | $9.61M |
| Q1 2023 | 30 | $9.87M |
| Q4 2022 | 35 | $9.83M |
| Q3 2022 | 37 | $9.90M |
| Q2 2022 | 39 | $11.9M |
| Q1 2022 | 36 | $10.5M |
| Q4 2021 | 44 | $17.3M |
| Q3 2021 | 47 | $17.9M |
| Q2 2021 | 59 | $32.1M |
| Q1 2021 | 66 | $50.6M |
Institutions, Q3 2024
Shares, value and share of portfolio for each institution holding Alpha Pro Tech Ltd; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 661,455 | $3.77M | 0.00% | −12,073−1.8% | Reduced |
| Needham Investment Management LLC | 610,000 | $3.48M | 0.27% | +7,500+1.2% | Added |
| Renaissance Technologies LLC | 590,275 | $3.36M | 0.01% | −42,100−6.7% | Reduced |
| BlackRock, Inc. | 272,968 | $1.56M | 0.00% | +272,968 | New |
| Linden Thomas Advisory Services, LLC | 172,034 | $980.6K | 0.13% | +8,390+5.1% | Added |
| Acadian Asset Management LLC | 159,825 | $909.0K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 140,358 | $800.0K | 0.00% | +15,340+12.3% | Added |
| Geode Capital Management, LLC | 97,372 | $555.2K | 0.00% | −1,361−1.4% | Reduced |
| O'Shaughnessy Asset Management, LLC | 83,778 | $484.2K | 0.00% | −803−0.9% | Reduced |
| Bridgeway Capital Management, LLC | 77,024 | $439.0K | 0.01% | 00.0% | Unchanged |
| Arrowstreet Capital, Limited Partnership | 63,802 | $363.7K | 0.00% | −4,698−6.9% | Reduced |
| Inspire Advisors, LLC | 57,273 | $326.5K | 0.04% | +57,273 | New |
| State Street Corp | 43,657 | $248.8K | 0.00% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 38,820 | $221.3K | 0.04% | 00.0% | Unchanged |
| Ritholtz Wealth Management | 34,141 | $194.6K | 0.01% | −2,135−5.9% | Reduced |
| Northern Trust Corp | 22,890 | $130.5K | 0.00% | −1,572−6.4% | Reduced |
| Morgan Stanley | 18,158 | $103.5K | 0.00% | +7,396+68.7% | Added |
| Caldwell Sutter Capital, Inc. | 16,236 | $92.5K | 0.04% | −4,456−21.5% | Reduced |
| Price T Rowe Associates Inc | 16,000 | $92.0K | 0.00% | −6,263−28.1% | Reduced |
| Advisor Group Holdings, Inc. | 14,680 | $83.7K | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 14,646 | $83.5K | 0.01% | 00.0% | Unchanged |
| Allworth Financial LP | 10,000 | $57.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 5,970 | $34.0K | 0.00% | −3,064−33.9% | Reduced |
| Bank of America Corp | 5,787 | $33.0K | 0.00% | +154+2.7% | Added |
| Wells Fargo & Company | 3,000 | $17.1K | 0.00% | −40−1.3% | Reduced |
| UBS Group AG | 2,973 | $16.9K | 0.00% | +2,973 | New |
| Citadel Advisors LLC | 1,712 | $9.76K | 0.00% | −24,877−93.6% | Reduced |
| Tower Research Capital LLC (TRC) | 713 | $4.06K | 0.00% | +713 | New |
| Barclays PLC | 426 | $2.43K | 0.00% | +426 | New |
| Lazard Asset Management LLC | 402 | $2.00K | 0.00% | −204−33.7% | Reduced |
| National Bank of Canada | 275 | $1.57K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 40 | $228 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 13 | $74 | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −16,641−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −11,650−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −10,653−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −3,237−100.0% | Sold out |
| Innealta Capital, LLC | 0 | $0 | 0.00% | −654−100.0% | Sold out |
| Gradient Investments LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| BlackRock Inc. | – | – | – | – | Not filed |