Astera Labs Ownership | Who Owns Astera Labs?


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Astera Labs Ownership Summary


Astera Labs is owned by 14.30% institutional investors, 12.73% insiders, and 72.97% retail investors. Fmr is the largest institutional shareholder, holding 14.56% of ALAB shares.

ALAB Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAstera Labs14.30%12.73%72.97%
SectorTechnology Stocks 50.72%12.57%36.71%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Fmr24.08M14.56%$4.71B
Vanguard group13.74M8.31%$2.69B
Blackrock funding, inc. /de11.23M6.79%$2.20B
Alliancebernstein2.92M1.76%$571.48M
State street2.34M1.41%$458.06M
Geode capital management2.32M1.40%$455.15M
Barclays2.01M1.22%$394.51M
Fred alger management1.54M0.93%$301.81M
Massachusetts financial services co /ma/1.51M0.91%$295.20M
Lord, abbett1.50M0.90%$292.96M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Grand alliance asset management218.11K26.41%$42.71M
Peregrine investment management97.07K9.34%$19.01M
Renaissance capital81.13K8.90%$15.88M
Fenghe fund management pte.324.00K5.79%$63.44M
Arrowpoint investment partners (singapore) pte.17.38K3.40%$3.40M
Crestwood capital management20.92K2.85%$4.10M
Sierra summit advisors95.06K2.84%$18.61M
Maverick capital1.03M2.70%$202.15M
Value aligned research advisors902.81K2.59%$176.77M
Taylor frigon capital management26.30K2.56%$5.15M

Top Buyers

HolderShares% AssetsChange
Blackrock funding, inc. /de11.23M0.04%4.11M
Barclays2.01M0.09%1.96M
Vanguard group13.74M0.04%1.69M
Amundi1.42M0.10%1.32M
Geode capital management2.32M0.03%1.08M

Top Sellers

HolderShares% AssetsChange
Alliancebernstein2.92M0.18%-3.47M
Altimeter capital management, lp---981.70K
Ameriprise financial185.74K0.01%-925.20K
Atreides management, lp62.05K0.24%-892.73K
Fenghe fund management pte.324.00K5.79%-856.85K

New Positions

HolderShares% AssetsChangeValue
Rafferty asset management1.07M0.68%1.07M$209.60M
Allspring global investments442.94K0.14%442.94K$86.15M
Clear street group310.24K0.21%310.24K$60.74M
Grand alliance asset management218.11K26.41%218.11K$42.71M
Arrowstreet capital, limited partnership202.97K0.03%202.97K$39.74M

Sold Out

HolderChange
Stephens consulting-3.00
American capital advisory-4.00
Cbiz investment advisory services-5.00
Wealthtrak capital management-5.00
Sierra ocean-8.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 2025302-45.19%23,664,028-76.97%140.37%181-52.74%91-6.19%
Jun 30, 202554127.29%102,591,7864.70%621.72%37444.40%96-2.04%
Mar 31, 2025423-6.00%98,036,3155.93%601.79%256-19.50%9828.95%
Dec 31, 202445460.42%94,177,80927.54%582.66%32164.62%77126.47%
Sep 30, 202428371.52%73,842,13145.06%474.38%19572.57%3441.67%

Recent Insider Transactions


DateNameRoleActivityValue
Dec 01, 2025ALBA MANUEL-Sell$36.39K
Dec 01, 2025ALBA MANUEL-Sell$27.92K
Dec 01, 2025ALBA MANUEL-Sell$152.41K
Dec 01, 2025ALBA MANUEL-Sell$110.02K
Dec 01, 2025ALBA MANUEL-Sell$14.70K

Insider Transactions Trends


DateBuySell
2025 Q4-74
2025 Q3-120
2025 Q2-94
2025 Q1-4
2008 Q1--

ALAB Ownership FAQ


Who owns the most shares of Astera Labs?

Astera Labs’s largest shareholders are Fmr (24.08M shares, 14.56%), Vanguard group (13.74M shares, 8.31%), and Blackrock funding, inc. /de (11.23M shares, 6.79%). Together, they hold 29.65% of Astera Labs’s total shares outstanding.

Does Blackrock own Astera Labs?

BlackRock is not among the top 10 institutional shareholders of Astera Labs.

Who is Astera Labs’s biggest shareholder by percentage of total assets invested?

Grand alliance asset management is Astera Labs’s biggest shareholder by percentage of total assets invested, with 26.41% of its assets in 218.11K Astera Labs shares, valued at 42.71M$.

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