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Ken Fisher's Advanced Energy Industries, Inc. (AEIS) position

Yes: as of Q1 2026, Ken Fisher holds 344K shares of AEIS worth $111M (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$111M
Shares held
344K
% of portfolio
0.0%
Est. average buy price (i)
$135.56
est. since Q1 2021
Quarter-end price
$322.71

Estimated trade prices

Average price in quarters with purchases
$145.12
Average prices in quarters with sales
  • Q1 2026: $289.82 (50K shares sold)
  • Q1 2025: $114.24 (4K shares sold)
  • Q2 2024: $102.38 (4K shares sold)
  • Q4 2023: $97.21 (2K shares sold)
  • Q2 2023: $95.35 (3K shares sold)
  • Q1 2023: $94.19 (16K shares sold)
  • Q4 2022: $83.96 (7K shares sold)
  • Q3 2022: $85.81 (5K shares sold)
  • Q1 2022: $86.59 (80 shares sold)

AEIS price vs Fisher's position

1Y 3Y 5Y MAX
Dates
$70$200$40020222023202420252026Added 10K shares (6.5%) · Q3 2021. Average closing price $93.54 · Price range $82.73–$111.0010KsharespurchasedAdded 2K shares (1.3%) · Q4 2021. Average closing price $88.96 · Price range $84.40–$95.152KsharespurchasedSold 80 shares (under 0.1%) · Q1 2022. Average closing price $86.59 · Price range $78.42–$93.7380sharessoldAdded 4K shares (2.5%) · Q2 2022. Average closing price $77.33 · Price range $69.33–$86.334KsharespurchasedSold 5K shares (3.2%) · Q3 2022. Average closing price $85.81 · Price range $69.35–$98.015KsharessoldSold 7K shares (4.2%) · Q4 2022. Average closing price $83.96 · Price range $70.73–$94.857KsharessoldSold 16K shares (10.7%) · Q1 2023. Average closing price $94.19 · Price range $85.54–$99.4416KsharessoldSold 3K shares (2.1%) · Q2 2023. Average closing price $95.35 · Price range $83.97–$111.453KsharessoldAdded 167 shares (0.1%) · Q3 2023. Average closing price $112.00 · Price range $98.69–$126.03167sharespurchasedSold 2K shares (1.7%) · Q4 2023. Average closing price $97.21 · Price range $84.60–$112.682KsharessoldAdded 600 shares (0.5%) · Q1 2024. Average closing price $101.97 · Price range $94.77–$107.77600sharespurchasedSold 4K shares (3.4%) · Q2 2024. Average closing price $102.38 · Price range $89.70–$109.614KsharessoldAdded 33 shares (under 0.1%) · Q3 2024. Average closing price $104.99 · Price range $92.85–$119.6133sharespurchasedAdded 30K shares (23.8%) · Q4 2024. Average closing price $112.44 · Price range $101.71–$122.7230KsharespurchasedSold 4K shares (2.4%) · Q1 2025. Average closing price $114.24 · Price range $94.80–$131.544KsharessoldAdded 122K shares (80.4%) · Q2 2025. Average closing price $110.15 · Price range $79.03–$133.84122KsharespurchasedAdded 16K shares (5.7%) · Q3 2025. Average closing price $150.58 · Price range $133.59–$176.5916KsharespurchasedAdded 105K shares (36.1%) · Q4 2025. Average closing price $203.51 · Price range $169.62–$225.80105KsharespurchasedSold 50K shares (12.7%) · Q1 2026. Average closing price $289.82 · Price range $210.99–$356.3850Ksharessold← Earlier —1 purchase
Average closing price · filing quarter
$289.82
Price range · filing quarter
$210.99 – $356.38
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −50K −$15M −12.7% 344K May 5, 2026
Q4 2025 Added +105K +$21M +36.1% 394K Feb 9, 2026
Q3 2025 Added +16K +$2.3M +5.7% 290K Nov 12, 2025
Q2 2025 Added +122K +$13M +80.4% 274K Aug 13, 2025
Q1 2025 Reduced −4K −$433K −2.4% 152K May 14, 2025
Q4 2024 Added +30K +$3.4M +23.8% 156K Feb 5, 2025
Q3 2024 Added +33 +$3K 0.0% 126K Nov 12, 2024
Q2 2024 Reduced −4K −$448K −3.4% 126K Aug 14, 2024
Q1 2024 Added +600 +$61K +0.5% 130K May 9, 2024
Q4 2023 Reduced −2K −$211K −1.7% 129K Mar 5, 2024
Q3 2023 Added +167 +$19K +0.1% 132K Nov 13, 2023
Q2 2023 Reduced −3K −$271K −2.1% 131K Dec 12, 2023
Q1 2023 Reduced −16K −$1.5M −10.7% 134K Dec 12, 2023
Q4 2022 Reduced −7K −$553K −4.2% 150K Feb 3, 2023
Q3 2022 Reduced −5K −$441K −3.2% 157K Nov 8, 2022
Q2 2022 Added +4K +$310K +2.5% 162K Aug 9, 2022
Q1 2022 Reduced −80 −$7K −0.1% 158K May 5, 2022
Q4 2021 Added +2K +$179K +1.3% 158K Feb 2, 2022
Q3 2021 Added +10K +$894K +6.5% 156K Oct 26, 2021
Q2 2021 Added +907 +$96K +0.6% 147K Jul 27, 2021
Q1 2021 First covered – – – 146K Apr 27, 2021
Data through Q1 2026 · filed May 5, 2026
21 grouped rows from 21 quarters

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Common questions

Does Ken Fisher own AEIS?

Yes. As of Q1 2026, Ken Fisher disclosed 344K shares of AEIS, worth $111M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Fisher buy AEIS?

Ken Fisher held AEIS since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Fisher sell AEIS?

The quarter-by-quarter table above shows each sale and reduction Ken Fisher disclosed in AEIS. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of AEIS does Ken Fisher own?

Ken Fisher disclosed 344K shares of AEIS as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Fisher pay for AEIS?

Ken Fisher began building the AEIS position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.