Alpha Pro Tech APT Institutional Ownership

Ownership Summary

Alpha Pro Tech Ltd (NYSE:APT) is held by 36 institutional investors per 13F filings through March 2026.

• Collectively, these holders controlled 29.9% of Alpha Pro Tech's outstanding shares in March 2026, up from 27.7% in December 2025.
• They increased total shares held in Alpha Pro Tech by 36.28% from the prior quarter, while the number of investors in APT stayed flat year over year.
• Among the 36 funds, 14 bought more Alpha Pro Tech shares, 6 sold down, and 16 held their ground.
• The aggregate institutional position in Alpha Pro Tech amounted to 3.02Mn shares as of March 2026, up by 805.08K shares quarter on quarter, and down 135.99K shares year over year.
• NEEDHAM INVESTMENT MANAGEMENT LLC leads ownership in APT with 642.5K shares as of March 31, 2026, equal to 6.34% of outstanding shares.
• The biggest buyers of Alpha Pro Tech for the quarter ending March 2026 included VANGUARD CAPITAL MANAGEMENT LLC (553.67K), GROUP ONE TRADING LLC (113.07K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (72.92K), VANGUARD FIDUCIARY TRUST CO (51.43K), JANE STREET GROUP, LLC (25.63K).
• Leading sellers of Alpha Pro Tech shares for the quarter ending March 2026 were Pinnacle Financial Partners, Inc. (25.0K), GEODE CAPITAL MANAGEMENT, LLC (24.49K), OSAIC HOLDINGS, INC. (18.7K), Jpmorgan Chase & Co (566), Tower Research Capital LLC (TRC) (504).
• Alpha Pro Tech's 10 largest shareholders as of March 2026 include NEEDHAM INVESTMENT MANAGEMENT LLC (642.5K), VANGUARD CAPITAL MANAGEMENT LLC (553.67K), RENAISSANCE TECHNOLOGIES LLC (544.07K), BlackRock, Inc. (271.8K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (141.23K), DIMENSIONAL FUND ADVISORS LP (137.34K), ACADIAN ASSET MANAGEMENT LLC (133.35K), GROUP ONE TRADING LLC (113.07K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (78.53K), GEODE CAPITAL MANAGEMENT, LLC (68.39K) per Business Quant data.