Who owns AMPX
243 institutions reported holding AMPX for 2026Q1, together 62% of the company, more than the 198 a quarter earlier.
243
Institutions reporting a position · as of 2026Q1 · up from 198 the quarter before
- Shares held by institutions
- 84.6M
Shares held by institutions · 62% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $1.42B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 20%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 15
- New positions
- 76
- Positions exited
- 38
- Added to
- 88
- Reduced
- 54
- Top 10 holdersof the company
- 30%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 243 | 84.6M | $1.42B |
| 2025Q4 | 198 | 67.4M | $532M |
| 2025Q3 | 183 | 63.5M | $668M |
| 2025Q2 | 121 | 38.1M | $160M |
| 2025Q1 | 98 | 20.8M | $56M |
| 2024Q4 | 91 | 16.6M | $47M |
| 2024Q3 | 66 | 8.3M | $9.2M |
| 2024Q2 | 65 | 7.6M | $9.7M |
| 2024Q1 | 49 | 4.9M | $13M |
| 2023Q4 | 49 | 4.4M | $24M |
| 2023Q3 | 46 | 4.2M | $20M |
| 2023Q2 | 41 | 2.7M | $19M |
| 2023Q1 | 26 | 2.2M | $17M |
| 2022Q4 | 22 | 1.9M | $15M |
| 2022Q3 | 13 | 1.3M | $12M |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Inc. | 9.2M | 6.7% | $156M |
| VANGUARD GROUP INC | 7.1M | 5.2% | $119M |
| JANE STREET GROUP, LLC | 4.2M | 3.0% | $70M |
| Driehaus Capital Management LLC | 3.8M | 2.8% | $64M |
| TWO SIGMA INVESTMENTS, LP | 3.5M | 2.6% | $59M |
| MORGAN STANLEY | 3.2M | 2.3% | $53M |
| GEODE CAPITAL MANAGEMENT LLC | 2.8M | 2.1% | $47M |
| STATE STREET CORP | 2.7M | 2.0% | $46M |
| UBS Group AG | 2.3M | 1.7% | $39M |
| GOLDMAN SACHS GROUP INC | 2.2M | 1.6% | $38M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…
Electrical Equipment & Parts
Ranks #15 of 20 by Smart Score