Alpha Pro Tech, Ltd.
Alpha Pro Tech, Ltd. (APT) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · APT · as of Sep 30, 2025
Ownership Breakdown
43
Institutional Holders
▲ 5 vs Q2
$14.37M
Total Inst. Value
▲ $347,392 vs Q2
10.22M
Shares Outstanding
freeFloat 78.22%
3.00M
13F Shares Held
▲ 13,236 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
APT largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
NEEDHAM INVESTMENT MANAGEMENT LLC orthopedic, prosthetic & surgical appliances & supplies | 635.0K | 6.05% | 6.05% | $3.04B | Nov 14, 2025 | ▲ 22.5K |
VANGUARD GROUP INC orthopedic, prosthetic & surgical appliances & supplies | 625.4K | 5.95% | 5.95% | $2.99B | Nov 7, 2025 | ▼ 34.2K |
RENAISSANCE TECHNOLOGIES LLC orthopedic, prosthetic & surgical appliances & supplies | 535.8K | 5.10% | 5.10% | $2.56B | Nov 13, 2025 | ▼ 300 |
BLACKROCK, INC. orthopedic, prosthetic & surgical appliances & supplies | 271.8K | 2.59% | 2.59% | $1.30B | Nov 12, 2025 | ▲ 664 |
SUSQUEHANNA INTERNATIONAL GROUP, LLP orthopedic, prosthetic & surgical appliances & supplies | 177.6K | 1.69% | 1.69% | $850.70M | Nov 14, 2025 | ▼ 93.5K |
DIMENSIONAL FUND ADVISORS LP orthopedic, prosthetic & surgical appliances & supplies | 147.9K | 1.41% | 1.41% | $707.53M | Nov 12, 2025 | — held |
ACADIAN ASSET MANAGEMENT LLC orthopedic, prosthetic & surgical appliances & supplies | 144.2K | 1.37% | 1.37% | $689.00M | Nov 13, 2025 | ▼ 2.8K |
CITADEL ADVISORS LLC orthopedic, prosthetic & surgical appliances & supplies | 115.8K | 1.10% | 1.10% | $554.10M | Nov 14, 2025 | ▼ 125.4K |
GEODE CAPITAL MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 99.3K | 94.56% | 94.56% | $475.32M | Nov 12, 2025 | ▲ 1.2K |
BRIDGEWAY CAPITAL MANAGEMENT, LLC orthopedic, prosthetic & surgical appliances & supplies | 78.5K | 74.77% | 74.77% | $375.74M | Nov 14, 2025 | ▲ 1.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
10
Increased
+101.7K shares7
New Positions
first time holders15
Decreased
−298.2K shares2
Sold Out
fully exitedNet shares change (top 50)
196.4K
+101.7K / −298.2K
Net new holders
+0
7 new / 2 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
APT insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
2
Buy transactions
12
Sell transactions
0.17
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Garcia David R director | May 15, 2026 | Sale | 6,186 | $5.56 | $34.4K | 19.8K | Form 4 ↗ |
Garcia David R director | May 14, 2026 | Sale | 4,900 | $5.88 | $28.8K | 19.8K | Form 4 ↗ |
MONTGOMERY CHARLES D director | May 11, 2026 | Sale | 3,886 | $7.03 | $27.3K | 45.3K | Form 4 ↗ |
MONTGOMERY CHARLES D director | May 12, 2026 | Sale | 5,000 | $6.28 | $31.4K | 40.3K | Form 4 ↗ |
MONTGOMERY CHARLES D director | May 12, 2026 | Sale | 5,000 | $6.35 | $31.8K | 35.3K | Form 4 ↗ |
MONTGOMERY CHARLES D director | May 12, 2026 | Sale | 5,000 | $6.33 | $31.6K | 30.3K | Form 4 ↗ |
MONTGOMERY CHARLES D director | May 12, 2026 | Sale | 5,000 | $6.04 | $30.2K | 25.3K | Form 4 ↗ |
RITOTA JOHN director | Mar 16, 2026 | Sale | 4,740 | $4.84 | $22.9K | 43.6K | Form 4 ↗ |
RITOTA JOHN director | Mar 17, 2026 | Sale | 2,260 | $4.94 | $11.2K | 41.4K | Form 4 ↗ |
HOFFMAN LLOYD CEO AND PRESIDENT | Jan 5, 2026 | Award | 12,425 | — | — | 255.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Alpha Pro Tech, Ltd. (APT) is primarily owned by institutional investors, who hold approximately 29.4% of total shares outstanding. Company insiders own approximately 21.78%, while retail and public investors account for the remaining 48.82%.
The largest institutional shareholder of Alpha Pro Tech, Ltd. is NEEDHAM INVESTMENT MANAGEMENT LLC, holding approximately 635,000 shares — equal to 6.05% of outstanding shares — as of September 30, 2025.
A total of 43 institutional investors currently hold APT stock, with a combined institutional value of approximately $14,371,851 as of the most recent 13F filing period.
Frequently asked questions
APT ownershipAlpha Pro Tech, Ltd. (APT) is primarily owned by institutional investors, who hold approximately 29.4% of shares. The largest shareholder is NEEDHAM INVESTMENT MANAGEMENT LLC with a 6.05% stake. Company insiders hold 21.78%. Data sourced from SEC Form 13F as of September 30, 2025.