Canonical: https://ownershiptrace.com/13f/companies/4154

# Who owns Amprius Technologies, Inc. (AMPX)? Elite investor 13F holders

4 tracked elite investors reported holding Amprius Technologies, Inc as of 2026-06-30, including Renaissance Technologies LLC, D.E. Shaw, Tudor Investment, Polen Capital Management. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

4 tracked investors currently reported holding · Latest report period: 2026-06-30 · Industrials · Capital Goods

Amprius Technologies, Inc. develops, manufactures, and markets lithium-ion batteries for mobility applications. The company provides silicon anode lithium-ion batteries under the SiCore and SiMaxx product platforms. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. The company…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | AMPRIUS TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 19527701.00 USD | 1408925.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | AMPRIUS TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 9311314.00 USD | 671812.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | AMPRIUS TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 10359352.00 USD | 747428.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [Polen Capital Management](https://ownershiptrace.com/13f/investors/61) | AMPRIUS TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-04 00:00:00 | 6453188.00 USD | 465598.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1034524/0001172661-26-003035-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | AMPRIUS TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | AMPRIUS TECHNOLOGIES INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

This public summary shows the default reporting scope. Enable JavaScript for interactive filters, charts, and additional rows.

[How to read the data](https://ownershiptrace.com/docs#reading-the-data) · [Disclaimer](https://ownershiptrace.com/disclaimer)