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 2024
Institutional positions in Alpha Pro Tech Ltd as of Mar 31, 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
- 39
- +3 vs. Q4 2023
- Shares held
- 3.23M
- +702.0K (+27.7%) vs. Q4 2023
- Total value
- $20.2M
- +$6.79M (+50.7%) vs. Q4 2023
- New holders
- 7
- 14 more added
- Sold out
- 4
- 10 more reduced
Compare with Q4 2023: 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, Q1 2024
Shares, value and share of portfolio for each institution holding Alpha Pro Tech Ltd; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 673,528 | $4.20M | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 624,059 | $3.89M | 0.01% | +35,492+6.0% | Added |
| Needham Investment Management LLC | 350,000 | $2.18M | 0.20% | +130,000+59.1% | Added |
| BlackRock Inc. | 270,871 | $1.69M | 0.00% | +46,738+20.9% | Added |
| Linden Thomas Advisory Services, LLC | 160,133 | $999.2K | 0.16% | +160,133 | New |
| Acadian Asset Management LLC | 120,296 | $750.0K | 0.00% | +108,181+893.0% | Added |
| Essex Investment Management Co LLC | 112,415 | $701.5K | 0.14% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 102,767 | $641.3K | 0.00% | −61,673−37.5% | Reduced |
| Geode Capital Management, LLC | 95,692 | $597.3K | 0.00% | +3,113+3.4% | Added |
| Dimensional Fund Advisors LP | 91,236 | $569.3K | 0.00% | +12,694+16.2% | Added |
| O'Shaughnessy Asset Management, LLC | 90,015 | $561.7K | 0.01% | +62,437+226.4% | Added |
| Bridgeway Capital Management, LLC | 85,924 | $536.2K | 0.01% | +24,124+39.0% | Added |
| Arrowstreet Capital, Limited Partnership | 76,658 | $478.0K | 0.00% | +76,658 | New |
| Citadel Advisors LLC | 59,884 | $373.7K | 0.00% | +58,368+3,850.1% | Added |
| Royal Bank of Canada | 52,164 | $325.0K | 0.00% | +51,889+18,868.7% | Added |
| State Street Corp | 43,657 | $272.4K | 0.00% | −2,100−4.6% | Reduced |
| Ritholtz Wealth Management | 39,624 | $247.3K | 0.01% | +26,487+201.6% | Added |
| Price T Rowe Associates Inc | 22,900 | $143.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 22,649 | $141.0K | 0.00% | +22,649 | New |
| Caldwell Sutter Capital, Inc. | 21,567 | $134.6K | 0.06% | −12,732−37.1% | Reduced |
| Northern Trust Corp | 19,568 | $122.1K | 0.00% | −24,115−55.2% | Reduced |
| Morgan Stanley | 15,740 | $98.2K | 0.00% | −7,028−30.9% | Reduced |
| Hillsdale Investment Management Inc. | 14,646 | $91.4K | 0.01% | +14,646 | New |
| Corsair Capital Management, L.P. | 13,497 | $84.2K | 0.02% | +13,497 | New |
| Group One Trading, L.P. | 12,694 | $79.2K | 0.00% | +12,694 | New |
| GWM Advisors LLC | 10,163 | $63.4K | 0.00% | −4,647−31.4% | Reduced |
| Allworth Financial LP | 10,000 | $62.4K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 8,345 | $52.1K | 0.00% | +1,600+23.7% | Added |
| Bank of America Corp | 5,548 | $34.6K | 0.00% | −6−0.1% | Reduced |
| UBS Group AG | 4,515 | $28.2K | 0.00% | +4,458+7,821.1% | Added |
| Wells Fargo & Company | 3,080 | $19.2K | 0.00% | −999−24.5% | Reduced |
| Lazard Asset Management LLC | 378 | $2.00K | 0.00% | +12+3.3% | Added |
| National Bank of Canada | 275 | $1.41K | 0.00% | −2,000−87.9% | Reduced |
| CWM, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Gradient Investments LLC | 100 | $624 | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 100 | $624 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 40 | $250 | 0.00% | −19−32.2% | Reduced |
| BNP Paribas Arbitrage, SA | 13 | $81 | 0.00% | 00.0% | Unchanged |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 5 | $31 | 0.00% | +5 | New |
| ARS Investment Partners, LLC | 0 | $0 | 0.00% | −17,707−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −17,110−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −11,348−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −2,380−100.0% | Sold out |