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Jim Simons's Astera Labs, Inc. Common Stock (ALAB) position

Yes: as of Q1 2026, Jim Simons holds 129K shares of ALAB worth $14M (0.0% of the disclosed portfolio). Last quarter the position was reduced by 68.2%. First disclosed Q2 2024.
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Current value
$14M
Shares held
129K
% of portfolio
0.0%
Est. average buy price (i)
$100.51
est. since Q1 2025
Quarter-end price
$109.60

Estimated trade prices

Average price in quarters with purchases
$69.49
Average prices in quarters with sales
  • Q1 2026: $142.43 (277K shares sold)
  • Q4 2025: $167.28 (437K shares sold)
  • Q2 2025: $79.01 (677K shares sold)

ALAB price vs Simons's position

1Y 3Y 5Y MAX
Dates
$30$200$400$60020252026New position of 22K shares · Q2 2024. Average closing price $69.36 · Price range $55.60–$85.7022KsharespurchasedAdded 395K shares (over 1,000%) · Q3 2024. Average closing price $46.93 · Price range $36.37–$60.50395KsharespurchasedSold 677K shares (47.5%) · Q2 2025. Average closing price $79.01 · Price range $52.94–$99.53677KsharessoldAdded 94K shares (12.5%) · Q3 2025. Average closing price $164.43 · Price range $88.57–$251.8894KsharespurchasedSold 437K shares (51.8%) · Q4 2025. Average closing price $167.28 · Price range $139.29–$224.19437KsharessoldSold 277K shares (68.2%) · Q1 2026. Average closing price $142.43 · Price range $100.27–$187.67277Ksharessold
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 Reduced −277K −$39M −68.2% 129K May 14, 2026
Q4 2025 Reduced −437K −$73M −51.8% 406K Feb 12, 2026
Q3 2025 Added +94K +$15M +12.5% 843K Nov 13, 2025
Q2 2025 Reduced −677K −$54M −47.5% 750K Aug 13, 2025
Q1 2025 First covered – – – 1.4M May 14, 2025
Q4 2024 First covered – – – 1.2M Feb 13, 2025
Q3 2024 Added +395K +$19M +1,786.4% 417K Nov 13, 2024
Q2 2024 New +22K +$1.5M – 22K Aug 9, 2024
Data through Q1 2026 · filed May 14, 2026
8 grouped rows from 8 quarters

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Common questions

Does Jim Simons own ALAB?

Yes. As of Q1 2026, Jim Simons disclosed 129K shares of ALAB, worth $14M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy ALAB?

Jim Simons first disclosed a ALAB position in Q2 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 Jim Simons sell ALAB?

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

How many shares of ALAB does Jim Simons own?

Jim Simons disclosed 129K shares of ALAB as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for ALAB?

Jim Simons began building the ALAB 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.