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 Mar 31, 2025
Ownership Breakdown
22
Institutional Holders
$5.22M
Total Inst. Value
▼ $5.64M vs Q4
21.00M
Shares Outstanding
freeFloat 87.36%
3.37M
13F Shares Held
▲ 1.19M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BARD ASSOCIATES INC communications equipment, nec | 1.67M | 8.47% | 8.47% | $2.58B | May 12, 2025 | ▼ 7.9K |
AIGH CAPITAL MANAGEMENT LLC communications equipment, nec | 905.5K | 4.61% | 4.61% | $1.40B | May 6, 2025 | NEW |
VANGUARD GROUP INC communications equipment, nec | 194.5K | 98.96% | 98.96% | $301.53M | May 9, 2025 | ▲ 90.7K |
GEODE CAPITAL MANAGEMENT, LLC communications equipment, nec | 162.8K | 82.79% | 82.79% | $252.30M | May 13, 2025 | ▲ 76.8K |
UBS GROUP AG communications equipment, nec | 111.7K | 56.81% | 56.81% | $173.09M | May 13, 2025 | ▲ 101.3K |
ASSET MANAGEMENT ONE CO., LTD. communications equipment, nec | 65.6K | 33.36% | 33.36% | $101.64M | Apr 23, 2025 | NEW |
ESSEX INVESTMENT MANAGEMENT CO LLC communications equipment, nec | 58.7K | 29.84% | 29.84% | $90.93M | May 7, 2025 | NEW |
NORTHERN TRUST CORP communications equipment, nec | 39.9K | 20.28% | 20.28% | $61.80M | May 13, 2025 | ▲ 27.2K |
PFG INVESTMENTS, LLC communications equipment, nec | 32.2K | 16.37% | 16.37% | $49.87M | Apr 22, 2025 | NEW |
STATE STREET CORP communications equipment, nec | 28.2K | 14.35% | 14.35% | $43.71M | May 15, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
5
Increased
+302.0K shares9
New Positions
first time holders4
Decreased
−118.3K shares8
Sold Out
fully exitedNet shares change (top 50)
+183.7K
+302.0K / −118.3K
Net new holders
+2
9 new / 8 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 16.0% of total shares outstanding. Company insiders own approximately 12.64%, while retail and public investors account for the remaining 71.33%.
The largest institutional shareholder of AmpliTech Group, Inc. is BARD ASSOCIATES INC, holding approximately 1.67 million shares — equal to 8.47% of outstanding shares — as of March 31, 2025.
A total of 22 institutional investors currently hold AMPG stock, with a combined institutional value of approximately $5,217,733 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 16.0% of shares. The largest shareholder is BARD ASSOCIATES INC with a 8.47% stake. Company insiders hold 12.64%. Data sourced from SEC Form 13F as of March 31, 2025.