AmpliTech Group, Inc.
AMPG- Exchange
- Nasdaq
- Industry
- Communications Equipment, NEC
- SEC CIK
- 0001518461
In the last 90 days, AmpliTech Group, Inc. insiders filed 1 open-market purchase and 0 sales; 64 institutions reported holding it in 13F filings for Q2 2026, worth $45.9M in total; no superinvestor holds it.
Other share classesAMPGZ
13F holders, Q1 2026
Institutional positions in AmpliTech Group, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 39
- −1 vs. Q4 2025
- Shares held
- 6.16M
- −567.0K (−8.4%) vs. Q4 2025
- Total value
- $11.7M
- −$14.0M (−54.5%) vs. Q4 2025
- New holders
- 10
- 12 more added
- Sold out
- 11
- 10 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMPG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 64 | $45.9M |
| Q1 2026 | 39 | $11.7M |
| Q4 2025 | 42 | $28.0M |
| Q3 2025 | 31 | $13.4M |
| Q2 2025 | 24 | $7.95M |
| Q1 2025 | 22 | $5.22M |
| Q4 2024 | 22 | $10.9M |
| Q3 2024 | 15 | $1.91M |
| Q2 2024 | 18 | $1.07M |
| Q1 2024 | 18 | $1.92M |
| Q4 2023 | 19 | $1.89M |
| Q3 2023 | 18 | $2.12M |
| Q2 2023 | 19 | $2.19M |
| Q1 2023 | 16 | $2.01M |
| Q4 2022 | 15 | $1.67M |
| Q3 2022 | 13 | $1.14M |
| Q2 2022 | 14 | $1.47M |
| Q1 2022 | 17 | $2.60M |
| Q4 2021 | 17 | $3.35M |
| Q3 2021 | 14 | $3.01M |
| Q2 2021 | 15 | $3.72M |
| Q1 2021 | 4 | $1.70M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding AmpliTech Group, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citigroup Inc | 574 | $1.09K | 0.00% | +574 | New |
| Jones Financial Companies LLLP | 750 | $1.35K | 0.00% | −150−16.7% | Reduced |
| TFC Financial Management | 1,000 | $1.90K | 0.00% | +1,000 | New |
| Royal Bank of Canada | 915 | $2.00K | 0.00% | +637+229.1% | Added |
| Tower Research Capital LLC (TRC) | 4,383 | $8.33K | 0.00% | +3,412+351.4% | Added |
| Cornerstone Planning Group LLC | 3,800 | $8.63K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 6,125 | $11.6K | 0.00% | −2,612−29.9% | Reduced |
| Vanguard Global Advisers, LLC | 9,949 | $18.9K | 0.00% | +9,949 | New |
| Morgan Stanley | 10,936 | $20.8K | 0.00% | −6,330−36.7% | Reduced |
| Thompson Davis & Co., Inc. | 12,000 | $22.8K | 0.02% | −20,266−62.8% | Reduced |
| MLG Wealth Management DBA Pine Grove Financial Group | 12,000 | $22.8K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 14,442 | $27.4K | 0.00% | −46,167−76.2% | Reduced |
| Virtu Financial LLC | 14,738 | $28.0K | 0.00% | −4,785−24.5% | Reduced |
| WSFS Capital Management, LLC | 14,775 | $28.1K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 20,404 | $38.8K | 0.00% | +13,413+191.9% | Added |
| Citadel Advisors LLC | 20,460 | $38.9K | 0.00% | +20,460 | New |
| Legato Capital Management LLC | 20,675 | $39.3K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 26,163 | $49.7K | 0.00% | +1,808+7.4% | Added |
| LPL Financial LLC | 30,710 | $58.3K | 0.00% | +30,710 | New |
| XTX Topco Ltd | 43,233 | $82.1K | 0.00% | +9,596+28.5% | Added |
| Landscape Capital Management, L.L.C. | 44,954 | $85.4K | 0.01% | +44,954 | New |
| Northern Trust Corp | 46,567 | $88.5K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 49,039 | $93.2K | 0.00% | −66,775−57.7% | Reduced |
| Corsair Capital Management, L.P. | 69,722 | $132.5K | 0.02% | −102,000−59.4% | Reduced |
| Essex Investment Management Co LLC | 87,840 | $166.9K | 0.03% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 89,192 | $169.0K | 0.01% | −65,362−42.3% | Reduced |
| State Street Corp | 89,168 | $169.4K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 105,849 | $201.1K | 0.00% | +105,849 | New |
| BlackRock, Inc. | 108,133 | $205.5K | 0.00% | +13,215+13.9% | Added |
| Vanguard Fiduciary Trust Co | 111,257 | $211.4K | 0.00% | +111,257 | New |
| Pekin Hardy Strauss, Inc. | 160,800 | $305.5K | 0.03% | +80,000+99.0% | Added |
| Dimensional Fund Advisors LP | 215,548 | $409.5K | 0.00% | +131,599+156.8% | Added |
| Geode Capital Management, LLC | 242,726 | $461.3K | 0.00% | +48,106+24.7% | Added |
| Renaissance Technologies LLC | 372,600 | $707.9K | 0.00% | +214,400+135.5% | Added |
| Integrated Wealth Concepts LLC | 424,810 | $807.1K | 0.01% | +424,810 | New |
| Cable Car Capital LLC | 530,890 | $1.01M | 0.35% | +505,890+2,023.6% | Added |
| Creek Drive Management Group LLC | 735,500 | $1.40M | 0.88% | +335,500+83.9% | Added |
| Vanguard Capital Management LLC | 805,436 | $1.53M | 0.00% | +805,436 | New |
| Bard Associates Inc | 1,597,195 | $3.03M | 0.76% | −3,534−0.2% | Reduced |
| SymBiosis Capital Partners, LLC | 0 | $0 | 0.00% | −2,555,000−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −174,680−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −140,192−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −106,639−100.0% | Sold out |
| Evernest Financial Advisors, LLC | 0 | $0 | 0.00% | −74,000−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −49,811−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −20,658−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −15,055−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −12,911−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −12,664−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Maryland Capital Advisors Inc. | – | – | – | – | Not filed |