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Joel Greenblatt's Astera Labs, Inc. Common Stock (ALAB) position

Yes: as of Q1 2026, Joel Greenblatt holds 14K shares of ALAB worth $1.5M (0.0% of the disclosed portfolio). Last quarter the position was increased by 187.2%. First disclosed Q3 2024.
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Current value
$1.5M
Shares held
14K
% of portfolio
0.0%
Est. average buy price (i)
$150.09
Quarter-end price
$109.60

Estimated trade prices

Average price in quarters with purchases
$131.60
Average prices in quarters with sales
  • Q4 2025: $167.28 (4K shares sold)

ALAB price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$30$200$400$60020252026New position of 5K shares · Q3 2024. Average closing price $46.93 · Price range $36.37–$60.505KsharespurchasedNew position of 9K shares · Q3 2025. Average closing price $164.43 · Price range $88.57–$251.889KsharespurchasedSold 4K shares (43.8%) · Q4 2025. Average closing price $167.28 · Price range $139.29–$224.194KsharessoldAdded 9K shares (187.2%) · Q1 2026. Average closing price $142.43 · Price range $100.27–$187.679Ksharespurchased
Average closing price · filing quarter
$142.43
Price range · filing quarter
$100.27 – $187.67
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +9K +$1.3M +187.2% 14K May 15, 2026
Q4 2025 Reduced −4K −$634K −43.8% 5K Feb 17, 2026
Q3 2025 New +9K +$1.4M – 9K Nov 14, 2025
Q4 2024 First covered – – – 2K Feb 14, 2025
Q3 2024 New +5K +$212K – 5K Nov 14, 2024
Data through Q1 2026 · filed May 15, 2026
5 grouped rows from 5 quarters

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Common questions

Does Joel Greenblatt own ALAB?

Yes. As of Q1 2026, Joel Greenblatt disclosed 14K shares of ALAB, worth $1.5M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy ALAB?

Joel Greenblatt first disclosed a ALAB position in Q3 2024; 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 ALAB?

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

How many shares of ALAB does Joel Greenblatt own?

Joel Greenblatt disclosed 14K shares of ALAB 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 ALAB?

Joel Greenblatt's estimated average buy price for ALAB is $150.09, 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.