Institutional Holders (2026 Q2)
40 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in AMPG. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Bard Associates Inc | 2.28% | 1,477,265 | $10.3M |
| 2 | Equitec Proprietary Markets, LLC | 0.31% | 246,500 | $1.7M |
| 3 | Landscape Capital Management, L.L.C. | 0.20% | 449,510 | $3.1M |
| 4 | Informed Momentum Co LLC | 0.08% | 134,625 | $937K |
| 5 | Midwest Financial Group LLC | 0.07% | 28,950 | $201K |
| 6 | Essex Investment Management Co LLC | 0.06% | 60,526 | $421K |
| 7 | Warberg Asset Management LLC | 0.05% | 41,000 | $285K |
| 8 | Walser Wealth Management Company, A Ltd Liability Co | 0.05% | 16,883 | $118K |
| 9 | Equitec Proprietary Markets, LLC | 0.04% | 31,200 | $217K |
| 10 | Caitong International Asset Management Co., Ltd | 0.03% | 32,475 | $226K |
| 11 | PFG Investments, LLC | 0.03% | 110,600 | $770K |
| 12 | Corsair Capital Management, L.P. | 0.03% | 30,722 | $214K |
| 13 | Mangrove Partners IM, LLC | 0.01% | 31,204 | $217K |
| 14 | Bridgeway Capital Management, LLC | 0.01% | 105,849 | $737K |
| 15 | Legato Capital Management LLC | 0.01% | 14,284 | $99K |
| 16 | Peak6 LLC | 0.01% | 507,300 | $3.5M |
| 17 | Hrt Financial LP | 0.01% | 551,106 | $3.8M |
| 18 | Tradition Wealth Management, LLC | 0.01% | 12,749 | $89K |
| 19 | Tower Research Capital LLC (TRC) | 0.00% | 28,369 | $197K |
| 20 | Bryn Mawr Trust Advisors, LLC | 0.00% | 14,775 | $103K |
| 21 | XTX Topco Ltd | 0.00% | 48,043 | $334K |
| 22 | StoneX Group Inc. | 0.00% | 20,516 | $99K |
| 23 | Sig Brokerage, LP | 0.00% | 27,500 | $191K |
| 24 | Equitec Proprietary Markets, LLC | 0.00% | 2,679 | $19K |
| 25 | Cornerstone Planning Group LLC | 0.00% | 3,800 | $25K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|