Who owns AmpliTech Group, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of AMPG from SEC Form 13F filings across 65 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 65 institutions disclosed 6.6M shares of AmpliTech Group, Inc. worth $45.9M — about 25.9% of shares outstanding; the largest disclosed holder is BARD ASSOCIATES INC. Source: SEC Form 13F filings, parsed by EvidInvest.
65
13F holders
$45.9M
value, 2026 filers
25.9%
of shares outstanding (6.6M sh)
36
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AMPG's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BARD ASSOCIATES INC | 1.5M | $10.3M | 2.3% | 5.8% | -7.5% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 956,466 | $6.7M | 0.0% | 3.8% | +18.8% |
| 3 | HRT FINANCIAL LPNEW | 551,106 | $3.8M | 0.0% | 2.2% | new |
| 4 | BlackRock, Inc. | 522,988 | $3.6M | 0.0% | 2.1% | +383.7% |
| 5 | LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | 449,510 | $3.1M | 0.2% | 1.8% | +899.9% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 246,066 | $1.7M | 0.0% | 1% | +1.4% |
| 7 | DIMENSIONAL FUND ADVISORS LP | 185,421 | $1.3M | 0.0% | 0.7% | -14.0% |
| 8 | JANE STREET GROUP, LLCNEW | 136,606 | $950,778 | 0.0% | 0.5% | new |
| 9 | Informed Momentum Co LLCNEW | 134,625 | $936,990 | 0.1% | 0.5% | new |
| 10 | VANGUARD FIDUCIARY TRUST CO | 130,447 | $907,911 | 0.0% | 0.5% | +17.2% |
| 11 | SIMPLEX TRADING, LLCNEW | 123,874 | $862,163 | 0.0% | 0.5% | new |
| 12 | STATE STREET CORP | 113,468 | $789,737 | 0.0% | 0.4% | +27.3% |
| 13 | PFG Investments, LLCNEW | 110,600 | $769,776 | 0.0% | 0.4% | new |
| 14 | NATIONAL BANK OF CANADA /FI/NEW | 106,900 | $744,024 | 0.0% | 0.4% | new |
| 15 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 105,849 | $736,709 | 0.0% | 0.4% | 0.0% |
| 16 | THOMPSON SIEGEL & WALMSLEY LLCNEW | 105,040 | $731,000 | 0.0% | 0.4% | new |
| 17 | FNY Investment Advisers, LLCNEW | 92,500 | $643,000 | 0.2% | 0.4% | new |
| 18 | TWO SIGMA INVESTMENTS, LP | 92,032 | $640,543 | 0.0% | 0.4% | +87.7% |
| 19 | SEI INVESTMENTS CONEW | 79,747 | $555,039 | 0.0% | 0.3% | new |
| 20 | Integrated Wealth Concepts LLC | 70,735 | $492,316 | 0.0% | 0.3% | -83.3% |
| 21 | UBS Group AG | 68,838 | $479,113 | 0.0% | 0.3% | +163.1% |
| 22 | ESSEX INVESTMENT MANAGEMENT CO LLC | 60,526 | $421,261 | 0.1% | 0.2% | -31.1% |
| 23 | IMC-Chicago, LLCNEW | 51,561 | $358,865 | 0.0% | 0.2% | new |
| 24 | NORTHERN TRUST CORP | 49,178 | $342,279 | 0.0% | 0.2% | +5.6% |
| 25 | XTX Topco Ltd | 48,043 | $334,379 | 0.0% | 0.2% | +11.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.