Who owns AmpliTech Group, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of AMPG from SEC Form 13F filings across 43 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, 43 institutions disclosed 3.5M shares of AmpliTech Group, Inc. worth $19.9M — about 13.8% of shares outstanding; the largest disclosed holder is VANGUARD CAPITAL MANAGEMENT LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
43
13F holders
$19.9M
value, 2026 filers
13.8%
of shares outstanding (3.5M sh)
24
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 | VANGUARD CAPITAL MANAGEMENT LLC | 956,466 | $6.7M | 0.0% | 3.8% | -40.6% |
| 2 | HRT FINANCIAL LPNEW | 551,106 | $3,835 | 0.0% | 2.2% | new |
| 3 | BlackRock, Inc. | 522,988 | $3.6M | 0.0% | 2.1% | +383.7% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 246,066 | $1.7M | 0.0% | 1% | +1.4% |
| 5 | JANE STREET GROUP, LLCNEW | 136,606 | $950,778 | 0.0% | 0.5% | new |
| 6 | VANGUARD FIDUCIARY TRUST CO | 130,447 | $907,911 | 0.0% | 0.5% | +17.2% |
| 7 | PFG Investments, LLCNEW | 110,600 | $769,776 | 0.0% | 0.4% | new |
| 8 | NATIONAL BANK OF CANADA /FI/NEW | 106,900 | $744,024 | 0.0% | 0.4% | new |
| 9 | FNY Investment Advisers, LLCNEW | 92,500 | $643 | 0.2% | 0.4% | new |
| 10 | TWO SIGMA INVESTMENTS, LP | 92,032 | $640,543 | 0.0% | 0.4% | +87.7% |
| 11 | SEI INVESTMENTS CONEW | 79,747 | $555,039 | 0.0% | 0.3% | new |
| 12 | Integrated Wealth Concepts LLC | 70,735 | $492,316 | 0.0% | 0.3% | -83.3% |
| 13 | UBS Group AG | 68,838 | $479,113 | 0.0% | 0.3% | +163.1% |
| 14 | NORTHERN TRUST CORP | 49,178 | $342,279 | 0.0% | 0.2% | +5.6% |
| 15 | LPL Financial LLC | 37,000 | $257,520 | 0.0% | 0.1% | +20.5% |
| 16 | CITIGROUP INC | 35,192 | $244,936 | 0.0% | 0.1% | +6031.0% |
| 17 | Tower Research Capital LLC (TRC) | 28,369 | $197,448 | 0.0% | 0.1% | +547.3% |
| 18 | SIG BROKERAGE, LPNEW | 21,782 | $151,603 | 0.0% | 0.1% | new |
| 19 | StoneX Group Inc.NEW | 20,516 | $98,770 | 0.0% | 0.1% | new |
| 20 | Schonfeld Strategic Advisors LLCNEW | 18,462 | $128,493 | 0.0% | 0.1% | new |
| 21 | Squarepoint Ops LLCNEW | 17,027 | $118,508 | 0.0% | 0.1% | new |
| 22 | Foundations Investment Advisors, LLCNEW | 16,893 | $117,575 | 0.0% | 0.1% | new |
| 23 | SBI Securities Co., Ltd. | 13,539 | $94,231 | 0.0% | 0.1% | -33.6% |
| 24 | Tradition Wealth Management, LLCNEW | 12,749 | $88,731 | 0.0% | 0.1% | new |
| 25 | MILLENNIUM MANAGEMENT LLCNEW | 12,027 | $83,708 | 0.0% | 0% | new |
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.