Advanced Energy Industries, Inc.
Advanced Energy Industries, Inc. (AEIS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AEIS · as of Mar 31, 2025
Ownership Breakdown
366
Institutional Holders
▲ 39 vs Q4
$3.83B
Total Inst. Value
▼ $921.01M vs Q4
38.03M
Shares Outstanding
freeFloat 98.92%
40.18M
13F Shares Held
▼ 826,496 vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
AEIS largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. electronic components, nec | 5.81M | 15.45% | 15.45% | $553.63B | May 2, 2025 | ▼ 155.7K |
VANGUARD GROUP INC electronic components, nec | 4.87M | 12.94% | 12.94% | $463.79B | May 9, 2025 | ▼ 47.5K |
FMR LLC electronic components, nec | 3.45M | 9.18% | 9.18% | $329.02B | May 12, 2025 | ▼ 507.4K |
AMERIPRISE FINANCIAL INC electronic components, nec | 2.32M | 6.17% | 6.17% | $221.10B | May 14, 2025 | ▼ 17.4K |
STATE STREET CORP electronic components, nec | 1.66M | 4.41% | 4.41% | $157.93B | May 15, 2025 | ▼ 105.5K |
EARNEST PARTNERS LLC electronic components, nec | 1.64M | 4.36% | 4.36% | $156.31B | May 14, 2025 | ▼ 3.4K |
NEUBERGER BERMAN GROUP LLC electronic components, nec | 1.17M | 3.11% | 3.11% | $111.36B | May 13, 2025 | ▲ 133.3K |
BANK OF AMERICA CORP /DE/ electronic components, nec | 926.1K | 2.46% | 2.46% | $88.26B | May 15, 2025 | ▲ 44.3K |
GEODE CAPITAL MANAGEMENT, LLC electronic components, nec | 916.7K | 2.44% | 2.44% | $87.39B | May 13, 2025 | ▲ 38.0K |
DIMENSIONAL FUND ADVISORS LP electronic components, nec | 855.4K | 2.27% | 2.27% | $81.52B | May 13, 2025 | ▼ 22.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
16
Increased
+744.3K shares1
New Positions
first time holders33
Decreased
−1.55M shares0
Sold Out
fully exitedNet shares change (top 50)
801.0K
+744.3K / −1.55M
Net new holders
-16
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
AEIS insider trading · insider activity
Source: SEC Form 4
18
Buy transactions
10
Sell transactions
1.80
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Shirley Brian director | May 7, 2026 | Award | 587 | — | — | 587 | Form 4 ↗ |
Roush John A director | May 7, 2026 | Award | 587 | — | — | 587 | Form 4 ↗ |
David Reed director | May 7, 2026 | Award | 587 | — | — | 587 | Form 4 ↗ |
Minnix Lanesha director | May 7, 2026 | Award | 587 | — | — | 587 | Form 4 ↗ |
FOSTER RONALD C director | May 7, 2026 | Award | 587 | — | — | 587 | Form 4 ↗ |
Donikowski Tina director | May 7, 2026 | Award | 587 | — | — | 587 | Form 4 ↗ |
DelSanto Anne director | May 7, 2026 | Award | 587 | — | — | 587 | Form 4 ↗ |
BALL FREDERICK director | May 7, 2026 | Award | 587 | — | — | 587 | Form 4 ↗ |
BEARD GRANT H director | May 7, 2026 | Award | 760 | — | — | 760 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Advanced Energy Industries, Inc. (AEIS) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 1.08%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Advanced Energy Industries, Inc. is BLACKROCK, INC., holding approximately 5.81 million shares — equal to 15.45% of outstanding shares — as of March 31, 2025.
A total of 366 institutional investors currently hold AEIS stock, with a combined institutional value of approximately $3.83 billion as of the most recent 13F filing period.
Frequently asked questions
AEIS ownershipAdvanced Energy Industries, Inc. (AEIS) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 15.45% stake. Company insiders hold 1.08%. Data sourced from SEC Form 13F as of March 31, 2025.