InvestorLens

ALAB — ASTERA LABS INC

Public company

Sign in to save5 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

Why are billionaires buying ALAB?

Built from public SEC filings and public economic data. Not a recommendation.

Confidence
60
Institutional Conviction
Net distribution · 3 buying vs 2 selling last quarter
43
Macro Tailwind
Macro conditions are mixed for this sector
56
Why? — Evidence & Confidence ▾

Of 5 tracked investors who changed their ALAB position last quarter, 3 bought and 2 sold (60% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).

Supporting evidence
  • +3 tracked investors added or increased positions last quarter (Izzy Englander, Ken Griffin, Paul Tudor Jones)
  • +5 tracked investors reported holding ALAB at their latest filing
  • +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
Contradicting evidence — always shown
  • −2 tracked investors reduced or exited last quarter (2 reduced, 0 sold out)
  • −13F data is disclosed up to 45 days after quarter end — positions may have changed since
Know the limits
  • · 13F disclosure lag (up to 45 days)
  • · Tracked investors are a sample, not the whole market
  • · Sector regime fit is a historical average, not a guarantee

Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.

About ASTERA LABS INC (ALAB)

ASTERA LABS INC (ALAB) appears in the most recent 13F filings of 5 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $1.9B. Across recent filings, tracked investors recorded 8 new positions, 15 increased, 13 reduced, and 3 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in ALAB

59
/100
Mixed Activity
Added / Increased23
Reduced13
Exited3
BearishBullish
Crowded Trade Score™

How many top investors track ALAB

33
/100
Emerging Interest
5investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

ALAB Ownership Composition

How ASTERA LABS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Multi-Strategy / Quant
90% of tracked value
Institutions
5
tracked investors
Total Reported
$2.6B
combined 13F value
Types2
  • Multi-Strategy / Quant90.4%
  • Macro9.6%
Multi-Strategy / Quant(3)
90.4%
Macro(2)
9.6%

Tracked investors currently reporting ALAB

2 tracked investors have since exited this position — listed separately below.

  • Ken GriffinJun 30, 2026
    Citadel Advisors
    Shares
    3.9M
    Value
    $1.9B
    % Portfolio
    0.22%
  • Izzy EnglanderJun 30, 2026
    Millennium Management
    Shares
    814.4K
    Value
    $393.4M
    % Portfolio
    0.14%
  • Paul Tudor JonesJun 30, 2026
    Tudor Investment Corp
    Shares
    520.9K
    Value
    $251.6M
    % Portfolio
    0.35%
  • Steve CohenJun 30, 2026
    Point72 Asset Management
    Shares
    192.7K
    Value
    $93.1M
    % Portfolio
    0.10%
  • Ray DalioJun 30, 2026
    Bridgewater Associates
    Shares
    992
    Value
    $479.2K
    % Portfolio
    0.00%

Previously held ALAB

These investors reported ALAB in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.

InvestorFirmLast reported sharesValue thenLast held
Philippe LaffontCoatue Management676.6K$40.4MMar 31, 2025
George SorosSoros Fund Management3.4K$558.8KDec 31, 2025

Recent activity

Frequently asked questions

How many institutional investors hold ALAB?
5 tracked institutional investors disclosed a position in ALAB (ASTERA LABS INC) in their most recent 13F filing.
Who is the largest institutional holder of ALAB?
Ken Griffin, Citadel Advisors, holds the largest disclosed position in ALAB, valued at $1.9B.
Did institutional ownership of ALAB increase or decrease?
Across recent 13F filings, tracked investors recorded 8 new positions, 15 increased, 13 reduced, and 3 fully exited ALAB.
Where does this ALAB ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.