AmpliTech Group, Inc.
AmpliTech Group, Inc. (AMPG) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AMPG · as of Sep 30, 2025
Ownership Breakdown
30
Institutional Holders
▲ 6 vs Q2
$13.44M
Total Inst. Value
▲ $5.49M vs Q2
21.00M
Shares Outstanding
freeFloat 87.36%
3.46M
13F Shares Held
▼ 291,850 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
AMPG largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BARD ASSOCIATES INC communications equipment, nec | 1.62M | 7.98% | 7.98% | $6.32B | Nov 14, 2025 | ▲ 1.0K |
VANGUARD GROUP INC communications equipment, nec | 305.5K | 1.50% | 1.50% | $1.19B | Nov 7, 2025 | ▲ 83.5K |
MORGAN STANLEY communications equipment, nec | 215.2K | 1.06% | 1.06% | $837.29M | May 27, 2026 | ▼ 63.0K |
INTEGRATED WEALTH CONCEPTS LLC communications equipment, nec | 193.2K | 94.99% | 94.99% | $751.55M | Nov 14, 2025 | NEW |
GEODE CAPITAL MANAGEMENT, LLC communications equipment, nec | 186.7K | 91.81% | 91.81% | $726.76M | Nov 12, 2025 | ▲ 19.2K |
EAM INVESTORS, LLC communications equipment, nec | 174.7K | 85.88% | 85.88% | $679.50M | Nov 14, 2025 | NEW |
CORSAIR CAPITAL MANAGEMENT, L.P. communications equipment, nec | 100.0K | 49.16% | 49.16% | $389.00M | Apr 21, 2026 | NEW |
BLACKROCK, INC. communications equipment, nec | 91.3K | 44.91% | 44.91% | $355.32M | Nov 12, 2025 | ▲ 49.2K |
STATE STREET CORP communications equipment, nec | 89.2K | 43.84% | 43.84% | $346.86M | Nov 14, 2025 | ▲ 61.0K |
PEKIN HARDY STRAUSS, INC. communications equipment, nec | 72.3K | 35.55% | 35.55% | $281.25M | Nov 10, 2025 | NEW |
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
14
Increased
+311.1K shares9
New Positions
first time holders4
Decreased
−153.7K shares5
Sold Out
fully exitedNet shares change (top 50)
+157.4K
+311.1K / −153.7K
Net new holders
+14
9 new / 5 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AMPG 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.
3
Buy transactions
6
Sell transactions
0.50
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 |
|---|---|---|---|---|---|---|---|
Flores Jorge Luis Chief Operating Officer | Jun 1, 2026 | Sale | 30,000 | $5.36 | $160.9K | 76.0K | Form 4 ↗ |
Sanfratello Louisa Chief Financial Officer | May 28, 2026 | Sale | 50,000 | $4.80 | $240.1K | 60.0K | Form 4 ↗ |
Mazziota Daniel Richard director | May 22, 2026 | Sale | 10,000 | $4.95 | $49.5K | 254.9K | Form 4 ↗ |
Sanfratello Louisa Chief Financial Officer | Jan 30, 2026 | Award | 200,000 | $3.04 | $608.0K | 200.0K | Form 4 ↗ |
Maqbool Fawad Chief Executive Officer | Jan 30, 2026 | Award | 200,000 | $3.04 | $608.0K | 200.0K | Form 4 ↗ |
Flores Jorge Luis Chief Operating Officer | Jan 30, 2026 | Award | 200,000 | $3.04 | $608.0K | 200.0K | Form 4 ↗ |
Maqbool Fawad Chief Executive Officer | Jan 14, 2026 | Award | 500 | $6.00 | $3.0K | 500 | Form 4 ↗ |
Maqbool Fawad Chief Executive Officer | Jan 14, 2026 | Award | 500 | $5.00 | $2.5K | 500 | Form 4 ↗ |
Flores Jorge Luis Chief Operating Officer | Jan 14, 2026 | Award | 1,000 | $6.00 | $6.0K | 1.0K | 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
AmpliTech Group, Inc. (AMPG) is primarily owned by institutional investors, who hold approximately 16.5% of total shares outstanding. Company insiders own approximately 12.64%, while retail and public investors account for the remaining 70.90%.
The largest institutional shareholder of AmpliTech Group, Inc. is BARD ASSOCIATES INC, holding approximately 1.62 million shares — equal to 7.98% of outstanding shares — as of September 30, 2025.
A total of 30 institutional investors currently hold AMPG stock, with a combined institutional value of approximately $13,443,866 as of the most recent 13F filing period.
Frequently asked questions
AMPG ownershipAmpliTech Group, Inc. (AMPG) is primarily owned by institutional investors, who hold approximately 16.5% of shares. The largest shareholder is BARD ASSOCIATES INC with a 7.98% stake. Company insiders hold 12.64%. Data sourced from SEC Form 13F as of September 30, 2025.