longbridge

Alpha Pro Tech

APT
5.9700.33% ( -0.020 )
Closed: Oct 7, 16:00:00 (EDT)

All Shareholders

Shareholder Type

  • Public and others53.69%
  • Institutions24.47%
  • Individuals & Insiders16.34%
  • Hedge funds5.50%

Major Shareholders

Major Shareholders Latest
Shareholder
Donna MillarInvestor Relations & Director
12.59%1.28M0.25%-15.00K
Needham Investment Management, LLC
6.30%642.50K0.05%+0
Vanguard Capital Management, LLC
5.53%564.26K0.44%-40.84K
Renaissance Technologies LLC
5.50%561.57K0.13%+17.50K
BlackRock, Inc.
2.73%278.69K0.05%+6.89K
Susquehanna International Group, LLP
2.38%242.70K0.98%+101.47K
Lloyd HoffmanCEO, President & Director
2.24%228.75K0.33%+35.66K
Dimensional Fund Advisors LP
1.34%137.10K0.01%-232.00
Acadian Asset Management LLC
1.24%126.87K0.07%-6.49K
Geode Capital Management, LLC
0.95%96.85K0.27%+28.47K
Bridgeway Capital Management, LLC
0.63%64.53K0.14%-14.00K
Arrowstreet Capital, Limited Partnership
0.57%58.31K<0.01%+0
John RitotaIndependent Director
0.52%53.36K0.05%+5.62K
Marshall Wace LLP
0.51%52.11K--+52.11K
State Street Investment Management
0.46%46.96K<0.01%+0
Colleen McDonaldChief Financial Officer
0.39%39.77K0.17%-17.06K
Essex Investment Management Company, LLC
0.34%34.26K<0.01%-111.00
Charles MontgomerySenior VP of Manufacturing & Director
0.25%25.28K<0.01%+0
Northern Trust Global Investments
0.20%20.70K0.02%+2.62K
David GarciaIndependent Director
0.19%19.77K0.05%+5.62K
© 2026 Longbridge｜Terms of ServicePrivacy Policy