Alpha Pro TechAPT
13F holders, Q1 2025 (March 31)At the end of Q1 2025, 35 institutions reported holding Alpha Pro Tech Ltd. (APT) in their 13F filings, up 5 from Q4 2024. 7 opened new positions and 2 sold out. The largest holders were Vanguard Group Inc. ($3.3M), Needham Investment Management LLC ($3.1M) and Renaissance Technologies ($2.7M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Alpha Pro Tech Ltd.
- CUSIP
- 020772109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $318K |
| Exits | 2 | $112K |
All 13F filers, Q4 2024 → Q1 2025: 126,358 shares bought and 88,861 shares sold, net +37,497 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 35 holders
| Vanguard Group Inc. | 0.00% | No change | 659,531 | $3.3M |
| Needham Investment Management LLC | 0.29% | No change | 612,500 | $3.1M |
| Renaissance Technologies | 0.00% | Reduce -4.6% | 539,559 | $2.7M |
| BlackRock, Inc. | 0.00% | Add +0.0% | 272,944 | $1.4M |
| Linden Thomas Advisory Services, LLC | 0.12% | Add +17.1% | 187,610 | $938K |
| Acadian Asset Management LLC | 0.00% | Reduce -3.7% | 148,573 | $741K |
| Dimensional Fund Advisors LP | 0.00% | Add +1.7% | 143,825 | $719K |
| Geode Capital Management, LLC | 0.00% | Add +0.8% | 97,411 | $487K |
| Bridgeway Capital Management, LLC | 0.01% | Add +0.0% | 77,025 | $385K |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -4.0% | 58,309 | $292K |
| Citadel Advisors | 0.00% | Add +86.6% | 54,915 | $275K |
| State Street Corp. | 0.00% | Reduce -1.1% | 46,957 | $235K |
| Essex Investment Management Co. LLC | 0.04% | Reduce -0.0% | 34,782 | $174K |
| Morgan Stanley | 0.00% | Add +27.9% | 23,992 | $120K |
| Jane Street Group, LLC | 0.00% | New | 23,314 | $117K |
| Northern Trust Corp. | 0.00% | Reduce -1.7% | 22,507 | $113K |
| Susquehanna International Group, LLP | 0.00% | New | 21,049 | $105K |
| Osaic Holdings, Inc. | 0.00% | Add +5.7% | 20,380 | $102K |
| O'shaughnessy Asset Management, LLC | 0.00% | Reduce -63.5% | 18,799 | $94K |
| Caldwell Sutter Capital, Inc. | 0.04% | No change | 16,236 | $81K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 16,000 | $80K |
| Campbell & CO Investment Adviser LLC | 0.00% | New | 12,242 | $61K |
| Allworth Financial LP | 0.00% | No change | 10,000 | $45K |
| Bank of America Corp. | 0.00% | Add +4.5% | 5,878 | $29K |
| Group One Trading LLC | 0.00% | New | 4,567 | $23K |
| Wells Fargo & Company | 0.00% | No change | 4,000 | $20K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 1,194 | $6K |
| Simplex Trading, LLC | 0.00% | New | 1,188 | $5K |
| Barclays PLC | 0.00% | No change | 426 | $2K |
| National Bank of Canada | 0.00% | No change | 275 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Add +0.4% | 265 | $1K |
| Cwm, LLC | 0.00% | No change | 100 | $1K |
| Kiker Wealth Management, LLC | 0.00% | New | 143 | $715 |
| JPMorgan Chase & Co. | 0.00% | No change | 40 | $200 |
| BNP Paribas Financial Markets | 0.00% | No change | 13 | $65 |
"% of holder's portfolio" is APT's weight in each manager's 13F, not the share of Alpha Pro Tech Ltd. the manager owns.