# Advanced Energy Industries (AEIS): who owns it

2 value investors held Advanced Energy Industries in their Q3 2026 13F, led by First Eagle Investment Management, Polen Capital Management.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| First Eagle Investment Management | 0.1% | $34.1m | Added +12% | 21 |
| Polen Capital Management | 0.0% | $560k | New | 1 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-10-05 | DelSanto Anne | Director | Sold | 270 | $82k |
| 2026-09-08 | Vonne Elizabeth Karpinski | EVP, General Counsel | Sold | 632 | $182k |
| 2026-09-08 | DelSanto Anne | Director | Sold | 265 | $76k |
| 2026-08-27 | Vonne Elizabeth Karpinski | EVP, General Counsel | Sold | 907 | $263k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 5062 | $1.6m |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 3998 | $1.2m |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 3103 | $977k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 2951 | $920k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 2180 | $688k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 1403 | $448k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 1280 | $406k |
| 2026-08-18 | Vonne Elizabeth Karpinski | EVP, General Counsel | Sold | 908 | $302k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 720 | $231k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 637 | $206k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 568 | $177k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 480 | $153k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 425 | $137k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 416 | $134k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 407 | $133k |
| 2026-08-18 | Acebedo Eduardo Bernal | EVP and COO | Sold | 406 | $126k |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/aeis). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.