Alpha Pro Tech, Ltd. · AMEX:APT
Alpha Pro Tech, Ltd. shareholders
As of Jun 30, 2026, 39 institutions reported holding Alpha Pro Tech, Ltd., 29.9% of its shares. Largest: Needham Investment Management LLC, Vanguard and Renaissance Technologies. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Alpha Pro Tech, Ltd. | Change | Filed |
|---|---|---|---|---|
| Needham Investment Management LLC | 643K | 6.3% | no change | Aug 14, 2026 |
| Vanguard | 568K | 5.6% | −40,842 | Aug 13, 2026 |
| Renaissance Technologies | 562K | 5.5% | +17,500 | Aug 13, 2026 |
| BlackRock | 279K | 2.7% | +6,887 | Aug 7, 2026 |
| Susquehanna | 243K | 2.4% | +101K | Aug 14, 2026 |
| Dimensional | 137K | 1.3% | −232 | Aug 11, 2026 |
| Acadian Asset Management LLC | 127K | 1.2% | −6,486 | Aug 13, 2026 |
| Geode Capital | 96,853 | 0.95% | +28,467 | Aug 12, 2026 |
| Bridgeway Capital Management, LLC | 64,525 | 0.63% | −14,000 | Aug 14, 2026 |
| Arrowstreet Capital, Limited Partnership | 58,309 | 0.57% | no change | Aug 13, 2026 |