Alpha Pro Tech
APT · NYSE American
$5.56+$0.01 (+0.18%)TodayMarket closed ·
Prev close $5.55
Who owns APT
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 39.4% of APT’s shares.
- Millar (Donna)12.6%
- Needham Investment Management L.L.C.6.3%
- Renaissance Technologies LLC5.5%
- Vanguard Capital Management, LLC5.0%
- Next 6 largest institutions10.1%
- All other shareholders60.6%
| Holder | Shares | % of shares |
|---|---|---|
| Millar (Donna) | 1.28M | 12.57% |
| Needham Investment Management L.L.C. | 642.50K | 6.29% |
| Renaissance Technologies LLC | 561.57K | 5.49% |
| Vanguard Capital Management, LLC | 512.48K | 5.01% |
| Susquehanna International Group, LLP | 242.70K | 2.37% |
| BlackRock Institutional Trust Company, N.A. | 232.53K | 2.28% |
| Hoffman (Lloyd) | 193.09K | 1.89% |
| Dimensional Fund Advisors, L.P. | 137.10K | 1.34% |
| Acadian Asset Management LLC | 126.87K | 1.24% |
| Geode Capital Management, L.L.C. | 96.85K | 0.95% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Needham Aggressive Growth Fund | 642.50K | 6.29% |
| Vanguard Total Stock Market Index Fund | 275.68K | 2.70% |
| Vanguard Extended Market Index Fund | 102.26K | 1.00% |
| Fidelity Extended Market Index Fund | 44.68K | 0.44% |
| Bridgeway Omni Small-Cap Value Fund | 39.12K | 0.38% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $215.53K (7 trades) of APT on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Shaw Benjamin A | Award | 5.86K | — |
| Buchan James | Award | 5.86K | — |
| Garcia David R | Award | 5.86K | — |
| RITOTA JOHN | Award | 5.86K | — |
| Garcia David R | Option exercise | 3.09K | — |
| Garcia David R | Option exercise | 3.09K | — |
| Garcia David R | Sale | 6.19K | $34.42K |
| Garcia David R | Option exercise | 4.90K | $20.73K |
| Garcia David R | Option exercise | 1.63K | — |
| Garcia David R | Option exercise | 1.63K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 44.62K
- Days to cover
- 1.95
- % of shares outstanding
- 0.44%
- Average daily volume
- 22.90K
- Change since last report
- −57.5%
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