# AMPLITECH GROUP INC (AMPG)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/AMPG/

- Reporting holders: 71
- Reported value: $112.7M
- Shares held by institutions: 7,782,709 of 30,043,887 outstanding
- Held through calls: 49.4%
- Held through puts: 2.6%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $20.1M | 0 | 0.0% | 3 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $13.1M | 11,129 | 0.0% | 3 |
| [BARD ASSOCIATES INC](https://holderbook.com/funds/1105907-bard-associates-inc/) | $10.3M | 1,477,265 | 2.3% | 22 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $8.5M | 0 | 0.0% | 3 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $8.3M | 136,606 | 0.0% | 4 |
| [Cable Car Capital, LP](https://holderbook.com/funds/1699575-cable-car-capital-lp/) | $7.0M | 1,000,000 | 0.1% | 1 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $6.7M | 956,466 | 0.0% | 2 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $3.8M | 551,106 | 0.0% | 1 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $3.6M | 522,988 | 0.0% | 5 |
| [PEAK6 LLC](https://holderbook.com/funds/1389958-peak6-llc/) | $3.5M | 0 | 0.0% | 1 |
| [LANDSCAPE CAPITAL MANAGEMENT, L.L.C.](https://holderbook.com/funds/1536186-landscape-capital-management-l-l-c/) | $3.1M | 449,510 | 0.2% | 2 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $2.7M | 123,874 | 0.0% | 3 |
| [EQUITEC PROPRIETARY MARKETS, LLC](https://holderbook.com/funds/1143261-equitec-proprietary-markets-llc/) | $2.0M | 2,679 | 0.3% | 1 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $1.7M | 246,066 | 0.0% | 21 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $1.6M | 226,936 | 0.0% | 21 |
| [NATIONAL BANK OF CANADA /FI/](https://holderbook.com/funds/926171-national-bank-of-canada-fi/) | $1.5M | 106,900 | 0.0% | 1 |
| [DIMENSIONAL FUND ADVISORS LP](https://holderbook.com/funds/354204-dimensional-fund-advisors-lp/) | $1.3M | 185,421 | 0.0% | 5 |
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $1.3M | 51,561 | 0.0% | 1 |
| [Integrated Wealth Concepts LLC](https://holderbook.com/funds/1737109-integrated-wealth-concepts-llc/) | $984.6K | 141,470 | 0.0% | 2 |
| [Informed Momentum Co LLC](https://holderbook.com/funds/1510989-informed-momentum-co-llc/) | $937.0K | 134,625 | 0.1% | 1 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $907.9K | 130,447 | 0.0% | 2 |
| [PFG Investments, LLC](https://holderbook.com/funds/1973224-pfg-investments-llc/) | $769.8K | 110,600 | 0.0% | 1 |
| [BRIDGEWAY CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1107261-bridgeway-capital-management-llc/) | $736.7K | 105,849 | 0.0% | 2 |
| [THOMPSON SIEGEL & WALMSLEY LLC](https://holderbook.com/funds/1008322-thompson-siegel-walmsley-llc/) | $731.0K | 105,040 | 0.0% | 1 |
| [FNY Investment Advisers, LLC](https://holderbook.com/funds/1742998-fny-investment-advisers-llc/) | $643.0K | 92,500 | 0.2% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 71 | $112.7M |
| Q1 2026 | 44 | $13.9M |
| Q4 2025 | 45 | $29.5M |
| Q3 2025 | 30 | $13.4M |
| Q2 2025 | 24 | $8.0M |
| Q1 2025 | 22 | $5.2M |
| Q4 2024 | 21 | $10.9M |
| Q3 2024 | 15 | $1.9M |
| Q2 2024 | 17 | $1.1M |
| Q1 2024 | 17 | $1.9M |
| Q4 2023 | 17 | $1.9M |
| Q3 2023 | 18 | $2.1M |