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Joel Greenblatt's Zscaler, Inc. (ZS) position

Yes: as of Q1 2026, Joel Greenblatt holds 73K shares of ZS worth $10M (0.0% of the disclosed portfolio). Last quarter the position was increased by over 1,000%. First disclosed Q2 2021.
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Current value
$10M
Shares held
73K
% of portfolio
0.0%
Est. average buy price (i)
$182.79
Quarter-end price
$140.29

Estimated trade prices

Average price in quarters with purchases
$194.11
Average prices in quarters with sales
  • Q4 2025: $282.25 (26K shares sold)
  • Q4 2024: $193.56 (320 shares sold)
  • Q3 2024: $182.63 (733 shares sold)
  • Q1 2024: $223.73 (86 shares sold)
  • Q4 2023: $185.19 (2K shares sold)

ZS price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$80$200$40020222023202420252026New position of 1K shares · Q2 2022. Average closing price $176.82 · Price range $127.81–$252.111KsharespurchasedAdded 17K shares (over 1,000%) · Q3 2022. Average closing price $163.61 · Price range $141.95–$193.6017KsharespurchasedNew position of 5K shares · Q2 2023. Average closing price $122.11 · Price range $87.00–$158.345KsharespurchasedAdded 668 shares (14.5%) · Q3 2023. Average closing price $149.95 · Price range $135.65–$165.05668sharespurchasedSold 2K shares (47.1%) · Q4 2023. Average closing price $185.19 · Price range $151.46–$225.022KsharessoldSold 86 shares (3.1%) · Q1 2024. Average closing price $223.73 · Price range $192.63–$254.9386sharessoldAdded 742 shares (27.5%) · Q2 2024. Average closing price $177.98 · Price range $156.65–$192.19742sharespurchasedSold 733 shares (21.3%) · Q3 2024. Average closing price $182.63 · Price range $155.90–$204.47733sharessoldSold 320 shares (11.8%) · Q4 2024. Average closing price $193.56 · Price range $166.99–$211.99320sharessoldAdded 555 shares (23.2%) · Q1 2025. Average closing price $199.27 · Price range $181.66–$216.87555sharespurchasedAdded 12K shares (422.5%) · Q2 2025. Average closing price $249.30 · Price range $174.67–$315.3212KsharespurchasedAdded 15K shares (98.4%) · Q3 2025. Average closing price $285.06 · Price range $267.68–$316.5015KsharespurchasedSold 26K shares (84.2%) · Q4 2025. Average closing price $282.25 · Price range $224.92–$336.2726KsharessoldAdded 68K shares (over 1,000%) · Q1 2026. Average closing price $177.52 · Price range $133.16–$231.1668Ksharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$177.52
Price range · filing quarter
$133.16 – $231.16
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +68K +$12M +1,412.9% 73K May 15, 2026
Q4 2025 Reduced −26K −$7.3M −84.2% 5K Feb 17, 2026
Q3 2025 Added +15K +$4.3M +98.4% 31K Nov 14, 2025
Q2 2025 Added +12K +$3.1M +422.5% 15K Aug 14, 2025
Q1 2025 Added +555 +$111K +23.2% 3K May 15, 2025
Q4 2024 Reduced −320 −$62K −11.8% 2K Feb 14, 2025
Q3 2024 Reduced −733 −$134K −21.3% 3K Nov 14, 2024
Q2 2024 Added +742 +$132K +27.5% 3K Aug 14, 2024
Q1 2024 Reduced −86 −$19K −3.1% 3K May 15, 2024
Q4 2023 Reduced −2K −$459K −47.1% 3K Feb 14, 2024
Q3 2023 Added +668 +$100K +14.5% 5K Nov 14, 2023
Q2 2023 New +5K +$561K – 5K Aug 14, 2023
Q3 2022 Added +17K +$2.9M +1,268.5% 19K Nov 14, 2022
Q2 2022 New +1K +$243K – 1K Aug 15, 2022
Q2 2021 New +2K +$397K – 2K Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
15 grouped rows from 15 quarters

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Common questions

Does Joel Greenblatt own ZS?

Yes. As of Q1 2026, Joel Greenblatt disclosed 73K shares of ZS, worth $10M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy ZS?

Joel Greenblatt first disclosed a ZS position in Q2 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Joel Greenblatt sell ZS?

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

How many shares of ZS does Joel Greenblatt own?

Joel Greenblatt disclosed 73K shares of ZS 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 ZS?

Joel Greenblatt's estimated average buy price for ZS is $182.79, 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.