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Joel Greenblatt's Axcelis Technologies, Inc. (ACLS) position

Yes: as of Q1 2026, Joel Greenblatt holds 12K shares of ACLS worth $1.1M (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
$1.1M
Shares held
12K
% of portfolio
0.0%
Est. average buy price (i)
$72.02
Quarter-end price
$93.08

Estimated trade prices

Average price in quarters with purchases
$71.21
Average prices in quarters with sales
  • Q1 2026: $88.53 (269 shares sold)
  • Q3 2025: $80.54 (3K shares sold)
  • Q1 2025: $63.23 (19K shares sold)
  • Q3 2024: $116.95 (543 shares sold)
  • Q4 2023: $137.83 (5K shares sold)
  • Q3 2023: $175.88 (2K shares sold)
  • Q2 2023: $143.96 (19K shares sold)
  • Q1 2023: $117.49 (6K shares sold)
  • Q4 2022: $70.45 (7K shares sold)
  • Q3 2022: $64.60 (17K shares sold)

ACLS price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$30$100$150$200$25020222023202420252026New position of 15K shares · Q4 2021. Average closing price $59.25 · Price range $45.52–$74.5615KsharespurchasedAdded 25K shares (167.6%) · Q1 2022. Average closing price $68.31 · Price range $57.30–$82.5325KsharespurchasedAdded 19K shares (46.3%) · Q2 2022. Average closing price $57.95 · Price range $51.63–$72.3019KsharespurchasedSold 17K shares (29.6%) · Q3 2022. Average closing price $64.60 · Price range $47.95–$81.7317KsharessoldSold 7K shares (17.6%) · Q4 2022. Average closing price $70.45 · Price range $50.79–$86.527KsharessoldSold 6K shares (16.6%) · Q1 2023. Average closing price $117.49 · Price range $78.20–$133.456KsharessoldSold 19K shares (66.5%) · Q2 2023. Average closing price $143.96 · Price range $113.54–$183.3319KsharessoldSold 2K shares (22.7%) · Q3 2023. Average closing price $175.88 · Price range $154.04–$200.482KsharessoldSold 5K shares (71.4%) · Q4 2023. Average closing price $137.83 · Price range $122.02–$167.655KsharessoldAdded 7K shares (319.0%) · Q1 2024. Average closing price $119.16 · Price range $107.61–$140.117KsharespurchasedAdded 3K shares (35.2%) · Q2 2024. Average closing price $115.29 · Price range $94.79–$142.193KsharespurchasedSold 543 shares (4.5%) · Q3 2024. Average closing price $116.95 · Price range $96.98–$155.02543sharessoldAdded 13K shares (110.0%) · Q4 2024. Average closing price $83.05 · Price range $69.18–$105.1013KsharespurchasedSold 19K shares (79.5%) · Q1 2025. Average closing price $63.23 · Price range $49.67–$74.4519KsharessoldAdded 9K shares (177.2%) · Q2 2025. Average closing price $57.05 · Price range $42.42–$70.929KsharespurchasedSold 3K shares (19.2%) · Q3 2025. Average closing price $80.54 · Price range $67.69–$100.443KsharessoldAdded 1K shares (10.8%) · Q4 2025. Average closing price $83.73 · Price range $74.12–$94.761KsharespurchasedSold 269 shares (2.2%) · Q1 2026. Average closing price $88.53 · Price range $78.79–$100.85269sharessold
Average closing price · filing quarter
$88.53
Price range · filing quarter
$78.79 – $100.85
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −269 −$24K −2.2% 12K May 15, 2026
Q4 2025 Added +1K +$100K +10.8% 12K Feb 17, 2026
Q3 2025 Reduced −3K −$211K −19.2% 11K Nov 14, 2025
Q2 2025 Added +9K +$497K +177.2% 14K Aug 14, 2025
Q1 2025 Reduced −19K −$1.2M −79.5% 5K May 15, 2025
Q4 2024 Added +13K +$1.0M +110.0% 24K Feb 14, 2025
Q3 2024 Reduced −543 −$64K −4.5% 11K Nov 14, 2024
Q2 2024 Added +3K +$359K +35.2% 12K Aug 14, 2024
Q1 2024 Added +7K +$803K +319.0% 9K May 15, 2024
Q4 2023 Reduced −5K −$726K −71.4% 2K Feb 14, 2024
Q3 2023 Reduced −2K −$382K −22.7% 7K Nov 14, 2023
Q2 2023 Reduced −19K −$2.7M −66.5% 10K Aug 14, 2023
Q1 2023 Reduced −6K −$665K −16.6% 28K May 15, 2023
Q4 2022 Reduced −7K −$515K −17.6% 34K Feb 14, 2023
Q3 2022 Reduced −17K −$1.1M −29.6% 41K Nov 14, 2022
Q2 2022 Added +19K +$1.1M +46.3% 59K Aug 15, 2022
Q1 2022 Added +25K +$1.7M +167.6% 40K May 16, 2022
Q4 2021 New +15K +$891K – 15K Feb 14, 2022
Q1 2021 First covered – – – 7K May 17, 2021
Data through Q1 2026 · filed May 15, 2026
19 grouped rows from 19 quarters

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Common questions

Does Joel Greenblatt own ACLS?

Yes. As of Q1 2026, Joel Greenblatt disclosed 12K shares of ACLS, worth $1.1M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy ACLS?

Joel Greenblatt held ACLS 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 Joel Greenblatt sell ACLS?

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

How many shares of ACLS does Joel Greenblatt own?

Joel Greenblatt disclosed 12K shares of ACLS as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Joel Greenblatt pay for ACLS?

Joel Greenblatt's estimated average buy price for ACLS is $72.02, from quarter-average prices weighted by the shares added each quarter. 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.