AMPG AmpliTech Group
AmpliTech Group (AMPG) Institutional Ownership
What the institutions did with AMPG last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BARD ASSOCIATES INC | 1.5M | 19.4% |
| Cable Car Capital, LP | 1.0M | 13.2% |
| VANGUARD CAPITAL MANAGEMENT LLC | 956.5K | 12.6% |
| HRT FINANCIAL LP | 551.1K | 7.3% |
| BlackRock, Inc. | 523.0K | 6.9% |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | 449.5K | 5.9% |
| GEODE CAPITAL MANAGEMENT, LLC | 246.1K | 3.2% |
| DIMENSIONAL FUND ADVISORS LP | 185.4K | 2.4% |
| JANE STREET GROUP, LLC | 136.6K | 1.8% |
| Informed Momentum Co LLC | 134.6K | 1.8% |
| VANGUARD FIDUCIARY TRUST CO | 130.4K | 1.7% |
| SIMPLEX TRADING, LLC | 123.9K | 1.6% |
| STATE STREET CORP | 113.5K | 1.5% |
| PFG Investments, LLC | 110.6K | 1.5% |
| NATIONAL BANK OF CANADA /FI/ | 106.9K | 1.4% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 105.8K | 1.4% |
| THOMPSON SIEGEL & WALMSLEY LLC | 105.0K | 1.4% |
| FNY Investment Advisers, LLC | 92.5K | 1.2% |
| TWO SIGMA INVESTMENTS, LP | 92.0K | 1.2% |
| SEI INVESTMENTS CO | 79.7K | 1.0% |
| Integrated Wealth Concepts LLC | 70.7K | 0.9% |
| UBS Group AG | 68.8K | 0.9% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 60.5K | 0.8% |
| IMC-Chicago, LLC | 51.6K | 0.7% |
| NORTHERN TRUST CORP | 49.2K | 0.6% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Creek Drive Management Group LLC | Sold Out | 735.5K | 0 | -735.5K |
| HRT FINANCIAL LP | New | 0 | 551.1K | +551.1K |
| Cable Car Capital, LP | Increased | 530.9K | 1.0M | +469.1K |
| BlackRock, Inc. | Increased | 108.1K | 523.0K | +414.9K |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | Increased | 45.0K | 449.5K | +404.6K |
| RENAISSANCE TECHNOLOGIES LLC | Sold Out | 372.6K | 0 | -372.6K |
| Integrated Wealth Concepts LLC | Reduced | 424.8K | 70.7K | -354.1K |
| Pekin Hardy Strauss, Inc. | Sold Out | 160.8K | 0 | -160.8K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 805.4K | 956.5K | +151.0K |
| JANE STREET GROUP, LLC | New | 0 | 136.6K | +136.6K |
| Informed Momentum Co LLC | New | 0 | 134.6K | +134.6K |
| SIMPLEX TRADING, LLC | New | 0 | 123.9K | +123.9K |
| BARD ASSOCIATES INC | Reduced | 1.6M | 1.5M | -119.9K |
| PFG Investments, LLC | New | 0 | 110.6K | +110.6K |
| NATIONAL BANK OF CANADA /FI/ | New | 0 | 106.9K | +106.9K |
| THOMPSON SIEGEL & WALMSLEY LLC | New | 0 | 105.0K | +105.0K |
| FNY Investment Advisers, LLC | New | 0 | 92.5K | +92.5K |
| GSA CAPITAL PARTNERS LLP | Sold Out | 89.2K | 0 | -89.2K |
| SEI INVESTMENTS CO | New | 0 | 79.7K | +79.7K |
| IMC-Chicago, LLC | New | 0 | 51.6K | +51.6K |
| TWO SIGMA INVESTMENTS, LP | Increased | 49.0K | 92.0K | +43.0K |
| UBS Group AG | Increased | 26.2K | 68.8K | +42.7K |
| CORSAIR CAPITAL MANAGEMENT, L.P. | Reduced | 69.7K | 30.7K | -39.0K |
| CITIGROUP INC | Increased | 574 | 35.2K | +34.6K |
| Caitong International Asset Management Co., Ltd | New | 0 | 32.5K | +32.5K |
| MANGROVE PARTNERS IM, LLC | New | 0 | 31.2K | +31.2K |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 215.5K | 185.4K | -30.1K |
| Midwest Financial Group LLC | New | 0 | 29.0K | +29.0K |
| ESSEX INVESTMENT MANAGEMENT CO LLC | Reduced | 87.8K | 60.5K | -27.3K |
| STATE STREET CORP | Increased | 89.2K | 113.5K | +24.3K |
| Tower Research Capital LLC (TRC) | Increased | 4.4K | 28.4K | +24.0K |
| FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ | New | 0 | 23.8K | +23.8K |
| SIG BROKERAGE, LP | New | 0 | 21.8K | +21.8K |
| StoneX Group Inc. | New | 0 | 20.5K | +20.5K |
| CITADEL ADVISORS LLC | Sold Out | 20.5K | 0 | -20.5K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 111.3K | 130.4K | +19.2K |
| Schonfeld Strategic Advisors LLC | New | 0 | 18.5K | +18.5K |
| Private Advisor Group, LLC | New | 0 | 17.4K | +17.4K |
| Squarepoint Ops LLC | New | 0 | 17.0K | +17.0K |
| Foundations Investment Advisors, LLC | New | 0 | 16.9K | +16.9K |
| Walser Wealth Management Company, A Ltd Liability Co | New | 0 | 16.9K | +16.9K |
| MARSHALL WACE, LLP | Sold Out | 14.4K | 0 | -14.4K |
| Jefferies Financial Group Inc. | New | 0 | 14.4K | +14.4K |
| Tradition Wealth Management, LLC | New | 0 | 12.7K | +12.7K |
| MILLENNIUM MANAGEMENT LLC | New | 0 | 12.0K | +12.0K |
| THOMPSON DAVIS & CO., INC. | Sold Out | 12.0K | 0 | -12.0K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | 0 | 11.1K | +11.1K |
| SBI Securities Co., Ltd. | Reduced | 20.4K | 13.5K | -6.9K |
| Daiwa Securities Group Inc. | New | 0 | 6.6K | +6.6K |
| Legato Capital Management LLC | Reduced | 20.7K | 14.3K | -6.4K |
| LPL Financial LLC | Increased | 30.7K | 37.0K | +6.3K |
| OSAIC HOLDINGS, INC. | Reduced | 6.1K | 625 | -5.5K |
| XTX Topco Ltd | Increased | 43.2K | 48.0K | +4.8K |
| PNC FINANCIAL SERVICES GROUP, INC. | New | 0 | 4.0K | +4.0K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 242.7K | 246.1K | +3.3K |
| Virtu Financial LLC | Reduced | 14.7K | 11.9K | -2.9K |
| EQUITEC PROPRIETARY MARKETS, LLC | New | 0 | 2.7K | +2.7K |
| NORTHERN TRUST CORP | Increased | 46.6K | 49.2K | +2.6K |
| Crewe Advisors LLC | New | 0 | 2.0K | +2.0K |
| ROYAL BANK OF CANADA | Increased | 915 | 2.2K | +1.3K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.