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ASTERA LABS INC

ALAB

Holders

1

Combined Value

$14.18M

Combined Shares

129,401

Current Price

$367.15

52W High

$390.99

vs 52W High

−6.1%

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$23.71$90.63$157.56$224.48Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $60.51Q3 2024 · implied price $52.39Q4 2024 · implied price $132.45Q1 2025 · implied price $59.67Q2 2025 · implied price $90.42Q3 2025 · implied price $195.80Q4 2025 · implied price $166.36Q1 2026 · implied price $109.60Chase Coleman - Tiger Global Management · bought 70,000 shares @ ~$60.51 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 22,100 shares @ ~$60.51 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 394,800 shares @ ~$52.39 · Q3 2024Chase Coleman - Tiger Global Management · sold 70,000 shares @ ~$60.51 · Q3 2024 (sold out)Jim Simons - Renaissance Technologies · bought 756,800 shares @ ~$132.45 · Q4 2024Philippe Laffont - Coatue Management · bought 676,586 shares @ ~$59.67 · Q1 2025 (new position)Jim Simons - Renaissance Technologies · bought 253,000 shares @ ~$59.67 · Q1 2025Jim Simons - Renaissance Technologies · sold 677,200 shares @ ~$90.42 · Q2 2025Philippe Laffont - Coatue Management · sold 676,586 shares @ ~$59.67 · Q2 2025 (sold out)Jim Simons - Renaissance Technologies · bought 93,801 shares @ ~$195.80 · Q3 2025George Soros - Soros Fund Management · bought 3,359 shares @ ~$166.36 · Q4 2025 (new position)Jim Simons - Renaissance Technologies · sold 436,900 shares @ ~$166.36 · Q4 2025Jim Simons - Renaissance Technologies · sold 277,000 shares @ ~$109.60 · Q1 2026George Soros - Soros Fund Management · sold 3,359 shares @ ~$166.36 · Q1 2026 (sold out)BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Jim Simons - Renaissance Technologies$14.18M0.02%~$107.35+242.0%SELL Q1 2026Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Jim Simons - Renaissance TechnologiesSELL−$30.36M~$109.60
Q1 2026George Soros - Soros Fund ManagementSOLD OUT−$558.8K~$166.36
Q4 2025Jim Simons - Renaissance TechnologiesSELL−$72.68M~$166.36
Q4 2025George Soros - Soros Fund ManagementNEW BUY+$558.8K~$166.36
Q3 2025Jim Simons - Renaissance TechnologiesBUY+$18.37M~$195.80
Q2 2025Jim Simons - Renaissance TechnologiesSELL−$61.23M~$90.42
Q2 2025Philippe Laffont - Coatue ManagementSOLD OUT−$40.37M~$59.67
Q1 2025Philippe Laffont - Coatue ManagementNEW BUY+$40.37M~$59.67
Q1 2025Jim Simons - Renaissance TechnologiesBUY+$15.10M~$59.67
Q4 2024Jim Simons - Renaissance TechnologiesBUY+$100.24M~$132.45
Q3 2024Jim Simons - Renaissance TechnologiesBUY+$20.68M~$52.39
Q3 2024Chase Coleman - Tiger Global ManagementSOLD OUT−$4.24M~$60.51
Q2 2024Chase Coleman - Tiger Global ManagementNEW BUY+$4.24M~$60.51
Q2 2024Jim Simons - Renaissance TechnologiesNEW BUY+$1.34M~$60.51

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 20261129,401-68.4%$14.18M$109.60
Q4 20252409,760-51.4%$68.17M$166.36
Q3 20251843,301+12.5%$165.12M$195.80
Q2 20251749,500-64.4%$67.77M$90.42
Q1 202522,103,286+79.2%$125.50M$59.67
Q4 202411,173,700+181.5%$155.46M$132.45
Q3 20241416,900+352.7%$21.84M$52.39
Q2 2024292,100—$5.57M$60.51