Who Owns AMPLITECH GROUP INC (AMPG)? -- Institutional Holders (2026-06-30)
74 institutions reported holding $82.4M of AMPLITECH GROUP INC (AMPG) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($13.1M), BARD ASSOCIATES INC ($10.3M), CITADEL ADVISORS LLC ($10.0M), JANE STREET GROUP, LLC ($8.3M), VANGUARD GROUP INC ($7.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $13.1M | 1.9M | Added |
| 2 | BARD ASSOCIATES INC | $10.3M | 1.5M | Trimmed |
| 3 | CITADEL ADVISORS LLC | $10.0M | 1.4M | Added |
| 4 | JANE STREET GROUP, LLC | $8.3M | 1.2M | Added |
| 5 | VANGUARD GROUP INC | $7.6M | 1.1M | Added |
| 6 | HRT FINANCIAL LP | $3.8M | 551,106 | New |
| 7 | BlackRock, Inc. | $3.6M | 522,988 | Added |
| 8 | PEAK6 LLC | $3.5M | 507,300 | New |
| 9 | LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | $3.1M | 449,510 | Added |
| 10 | EQUITEC PROPRIETARY MARKETS, LLC | $2.0M | 280,379 | New |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $1.7M | 246,066 | Added |
| 12 | DIMENSIONAL FUND ADVISORS LP | $1.3M | 185,421 | Trimmed |
| 13 | Informed Momentum Co LLC | $936,990 | 134,625 | New |
| 14 | SIMPLEX TRADING, LLC | $862,163 | 123,874 | New |
| 15 | STATE STREET CORP | $789,737 | 113,468 | Added |
| 16 | PFG Investments, LLC | $769,776 | 110,600 | New |
| 17 | NATIONAL BANK OF CANADA /FI/ | $744,024 | 106,900 | New |
| 18 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $736,709 | 105,849 | Hold |
| 19 | THOMPSON SIEGEL & WALMSLEY LLC | $731,000 | 105,040 | New |
| 20 | FNY Investment Advisers, LLC | $643,000 | 92,500 | New |
| 21 | TWO SIGMA INVESTMENTS, LP | $640,543 | 92,032 | Added |
| 22 | SEI INVESTMENTS CO | $555,039 | 79,747 | New |
| 23 | Integrated Wealth Concepts LLC | $492,316 | 70,735 | Trimmed |
| 24 | UBS Group AG | $479,113 | 68,838 | Added |
| 25 | ESSEX INVESTMENT MANAGEMENT CO LLC | $421,261 | 60,526 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30