ALAB Astera Labs Inc.
Information Technology, filed as ASTERA LABS INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
Bought by 3 managers in 2026 Q2, sold by 3
In 2026 Q2, 2 managers opened positions, 1 added, 1 trimmed, and 2 sold out.
Who owns this now
Largest portfolio weights among holders, up to 6.7% (Glen Kacher, Light Street Capital Management). Not free-float ownership.
Who owns ALAB
Sorted by value, long equity only, as of 2026 Q2. Exits show their last held size.
| History | |||||
|---|---|---|---|---|---|
| Alex Sacerdote, Whale Rock Capital Management | New 6.1% | 1,567,882 | $757M | History | |
| Gavin Baker, Atreides Management | Reduce −63.8% | 1,216,795 | $588M | History | |
| Lee Ainslie, Maverick Capital | Add +11.7% | 1,067,215 | $515M | History | |
| Ben Hoskin, Value Aligned Research Advisors | Hold | 568,316 | $275M | History | |
| Glen Kacher, Light Street Capital Management | New 6.7% | 125,750 | $61M | History | |
| Estuary Capital Management exited 2026 Q2 Last 2026 Q1 | Exit −3.14% | 170,958 | $19M | History | |
| Spencer Waxman, Shannon River Fund Management exited 2026 Q2 Last 2026 Q1 | Exit −0.99% | 47,394 | $5.2M | History |
Insider trades
Open-market buys and sales by ALAB's executives, directors and 10% owners in the last 12 months, from their Form 4s
- None no insider bought on the open market
- $2.4M sold by 1 insider outside a trading plan
- $620M sold by 7 insiders under 10b5-1 plans
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Stefan A Dyckerhoff DirectorPlanned sale$4.7M 12,499 shares at $376.06Traded Oct 7 Filed Oct 9
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Stefan A Dyckerhoff DirectorPlanned sale$3.4M 12,499 shares at $274.96Traded Sep 2 Filed Sep 3
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Manuel Alba DirectorPlanned sale$51.3M 183,000 shares at $280.13 42% of stakeTraded Sep 1 Filed Sep 3
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Stefan A Dyckerhoff DirectorPlanned sale$3.9M 12,499 shares at $311.83Traded Aug 6 Filed Aug 10
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Manuel Alba DirectorPlanned sale$3.9M 8,491 shares at $458.38 2.9% of stakeTraded Jul 1 Filed Jul 6
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Manuel Alba DirectorPlanned sale$16.8M 37,535 shares at $447.39 11% of stakeTraded Jul 1 Filed Jul 6
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Manuel Alba DirectorPlanned sale$60.5M 136,974 shares at $442.01 9.6% of stakeTraded Jul 1 Filed Jul 6
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Stefan A Dyckerhoff DirectorPlanned sale$5.6M 12,499 shares at $450.00Traded Jul 1 Filed Jul 2
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Bethany Mayer DirectorPlanned sale$271K 686 shares at $395.04 11% of stakeTraded Jun 24 Filed Jun 26
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Jack R Lazar DirectorPlanned sale$3.6M 10,000 shares at $355.17 12% of stakeTraded Jun 4 Filed Jun 8
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Stefan A Dyckerhoff DirectorPlanned sale$4.6M 12,499 shares at $364.35Traded Jun 3 Filed Jun 5
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Sanjay Gajendra COOPlanned sale$116M 400,000 shares at $290.30 7.3% of stakeTraded May 21 Filed May 26
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Philip Mazzara General Counsel and SecretarySale$232K 796 shares at $291.03 0.8% of stakeTraded May 21 Filed May 26
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Sanjay Gajendra COOPlanned sale$69.8M 280,000 shares at $249.19 31% of stakeTraded May 19 Filed May 21
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Philip Mazzara General Counsel and SecretarySale$2.2M 9,204 shares at $235.36 7.8% of stakeTraded May 18 Filed May 20
Also filed in the last 12 months, not counted as buying or selling: 143 sales to cover taxes, 19 stock grants, and 6 gifts.
Congress
1 member of Congress traded ALAB in the last three years: 0 buys and 2 sales. 1 member listed it in 2025 annual reports.
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Robert P. Bresnahan, Jr.
Sell
$1K–$15K
Feb 27, 2025
filed Mar 27, 2025
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Robert P. Bresnahan, Jr.
Sell
$1K–$15K
Feb 18, 2025
filed Mar 10, 2025
SEC filings
Recent issuer filings from EDGAR, 7 shown.
Financials
US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.
Income statement
Balance sheet
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.