Advanced Energy Industries Inc
Ownership
Ownership Structure
Who owns Advanced Energy Industries Inc (AEIS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.0% of the shares are freely tradable; institutional investors hold 111.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 16.16 | 6,470,740 | +6.3 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.79 | 2,319,376 | +0.0 | 03/31/2026 |
| Amvescap Plc. | 4.58 | 1,832,738 | +16.4 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.23 | 1,692,377 | +0.0 | 03/31/2026 |
| FMR Inc | 3.96 | 1,586,650 | -15.3 | 03/31/2026 |
| State Street Corp | 3.62 | 1,451,136 | -5.6 | 03/31/2026 |
| Ameriprise Financial Inc | 3.27 | 1,310,558 | -20.2 | 03/31/2026 |
| Earnest Partners LLC | 3.06 | 1,226,487 | -12.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.33 | 1,331,805 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.02 | 1,210,217 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Beard Grant H | Director | 60,159 | 15,304,450 $ | Aug 13, 2026 | direct |
| Acebedo Eduardo Bernal | EVP and COO | 23,109 | 5,878,930 $ | Aug 18, 2026 | direct |
| Vonne Elizabeth Karpinski | EVP, General Counsel | 9,177 | 2,334,629 $ | Sep 8, 2026 | direct |
| DelSanto Anne | Director | 7,952 | 2,022,989 $ | Sep 8, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | Vonne Elizabeth Karpinski | EVP, General Counsel | Sell | 632 | 288.14 | 182,104 |
| Sep 8, 2026 | DelSanto Anne | Director | Sell | 265 | 288.14 | 76,357 |
| Aug 27, 2026 | Vonne Elizabeth Karpinski | EVP, General Counsel | Sell | 907 | 290.05 | 263,075 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 637 | 322.64 | 205,522 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 120 | 330.45 | 39,654 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 280 | 328.74 | 92,047 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 407 | 327.82 | 133,423 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 335 | 324.44 | 108,687 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 425 | 323.28 | 137,394 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 416 | 322.14 | 134,010 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 720 | 320.81 | 230,983 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 1,403 | 319.41 | 448,132 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 480 | 318.62 | 152,938 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 1,280 | 316.92 | 405,658 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 2,180 | 315.66 | 688,139 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 3,103 | 314.92 | 977,197 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 5,062 | 313.82 | 1,588,557 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 3,998 | 312.65 | 1,249,975 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 2,951 | 311.80 | 920,122 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 568 | 310.75 | 176,506 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Sell | 406 | 309.73 | 125,750 |
| Aug 18, 2026 | Acebedo Eduardo Bernal | EVP and COO | Other | 6,042 | 85.97 | 519,431 |
| Aug 18, 2026 | Vonne Elizabeth Karpinski | EVP, General Counsel | Sell | 908 | 332.68 | 302,073 |
| Aug 13, 2026 | Beard Grant H | Director | Other | 9,000 | 0.00 | – |
| Aug 5, 2026 | DelSanto Anne | Director | Sell | 270 | 345.00 | 93,150 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.