# AMPLITECH GROUP INC (AMPGR)

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

- Reporting holders: 6
- Reported value: $5.6M
- Held through calls: 0.0%
- Held through puts: 0.0%

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 |
|---|---|---|---|---|
| [Cable Car Capital, LP](https://holderbook.com/funds/1699575-cable-car-capital-lp/) | $2.5M | 1,258,097 | 0.1% | 2 |
| [HEIGHTS CAPITAL MANAGEMENT, INC](https://holderbook.com/funds/1081698-heights-capital-management-inc/) | $2.5M | 1,220,188 | 0.6% | 2 |
| [Warberg Asset Management LLC](https://holderbook.com/funds/1597506-warberg-asset-management-llc/) | $596.4K | 309,044 | 0.1% | 2 |
| [EQUITEC PROPRIETARY MARKETS, LLC](https://holderbook.com/funds/1143261-equitec-proprietary-markets-llc/) | $3.0K | 1,507 | 0.0% | 2 |
| [WELLS FARGO & COMPANY/MN](https://holderbook.com/funds/72971-wells-fargo-company-mn/) | $2.0K | 1,000 | 0.0% | 2 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $516 | 262 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 6 | $5.6M |
| Q1 2026 | 5 | $205.4K |