Astera Labs Ownership | Who Owns Astera Labs?


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Astera Labs Ownership Summary


Astera Labs is owned by 75.11% institutional investors, 10.43% insiders, and 14.46% retail investors. Fmr is the largest institutional shareholder, holding 14.55% of ALAB shares. Fidelity Select Semiconductors is the top mutual fund, with 4.59% of its assets in Astera Labs shares.

ALAB Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAstera Labs75.11%10.43%14.46%
SectorTechnology Stocks 78.07%14.90%7.03%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Fmr24.85M14.55%$12.00B
Vanguard group13.83M8.26%$2.30B
Blackrock funding, inc. /de13.68M8.02%$6.61B
Vanguard capital management6.73M3.94%$3.25B
Invesco4.91M2.88%$2.37B
State street3.68M2.15%$1.78B
Geode capital management2.80M1.64%$1.35B
Price t rowe associates inc /md/2.41M1.41%$1.16B
Van eck associates2.24M1.31%$1.08B
Bank of america corp /de/2.20M1.29%$1.06B

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Valliance asset management337.15K18.84%$162.85M
Q fund management (hong kong)28.50K12.57%$13.77M
Renaissance capital46.26K12.32%$22.34M
Strategy capital342.34K10.19%$165.36M
Capital impact advisors348.62K9.44%$168.39M
Talos eurisko asset management lp119.64K8.22%$57.79M
Virtus wealth solutions111.14K7.30%$53.68M
Light street capital management125.75K6.73%$60.74M
Crestwood capital management19.72K6.24%$9.52M
Whale rock capital management1.57M6.08%$757.32M

Top Buyers

HolderShares% AssetsChange
Invesco4.91M0.19%4.54M
Blackrock funding, inc. /de13.68M0.10%2.23M
Price t rowe associates inc /md/2.41M0.12%1.79M
Whale rock capital management1.57M6.08%1.57M
Norges bank1.43M0.07%1.43M

Top Sellers

HolderShares% AssetsChange
Atreides management, lp1.22M4.10%-2.15M
Alliancebernstein1.02M0.04%-1.50M
Fred alger management1.28M2.07%-1.29M
Bnp paribas arbitrage, snc792.38K0.13%-1.02M
Altimeter capital management, lp---981.70K

New Positions

HolderShares% AssetsChangeValue
Whale rock capital management1.57M6.08%1.57M$757.32M
Norges bank1.43M0.07%1.43M$692.82M
Sixth street partners management company749.61K0.05%749.61K$362.08M
Capital impact advisors348.62K9.44%348.62K$168.39M
Valliance asset management337.15K18.84%337.15K$162.85M

Sold Out

HolderChange
Global wealth strategies & associates-2.00
Palisade asset management-2.00
Central trust-2.00
Stephens consulting-3.00
Wfa of san diego-4.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 20261,04737.58%128,230,5316.05%751.48%66059.42%25616.89%
Mar 31, 2026732-2.40%112,086,749-3.54%661.41%387-16.05%21810.66%
Dec 31, 2025264-63.08%22,396,807-79.78%130.30%165-60.53%70-66.51%
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%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Fidelity Select Semiconductors7.87M4.59%222.13K
Vanguard Morn Total Stk Mkt Idx Investor4.90M2.86%292.87K
Vanguard Total Stock Mkt Idx Inv4.90M2.86%292.87K
Vanguard MStar Total Stk Mkt Idx Invest4.91M2.83%13.98K
Invesco QQQ Trust3.55M2.07%-45.09K
iShares Semiconductor ETF3.54M2.06%-18.04K
Fidelity Growth Compy Commingled Pl S2.82M1.64%72.60K
Fidelity Blue Chip Growth Composite2.60M1.52%2.60M
Fidelity Select Technology2.40M1.40%165.00K
Fidelity Blue Chip Growth2.24M1.31%-266.90K

Recent Insider Transactions


DateNameRoleActivityValue
Sep 02, 2026Dyckerhoff Stefan A-Sell$514.42K
Sep 02, 2026Dyckerhoff Stefan A-Sell$112.64K
Sep 02, 2026Dyckerhoff Stefan A-Sell$177.87K
Sep 02, 2026Dyckerhoff Stefan A-Sell$1.49M
Sep 02, 2026Dyckerhoff Stefan A-Sell$74.70K

Insider Transactions Trends


DateBuySell
2026 Q3-176
2026 Q2-204
2026 Q1-54
2025 Q4-74
2025 Q3-120

ALAB Ownership FAQ


Who owns the most shares of Astera Labs?

Astera Labs’s largest shareholders are Fmr (24.85M shares, 14.55%), Vanguard group (13.83M shares, 8.26%), and Blackrock funding, inc. /de (13.68M shares, 8.02%). Together, they hold 30.83% 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?

Valliance asset management is Astera Labs’s biggest shareholder by percentage of total assets invested, with 18.84% of its assets in 337.15K Astera Labs shares, valued at 162.85M$.

Who is the top mutual fund holder of Astera Labs shares?

Fidelity Select Semiconductors is the top mutual fund holder of Astera Labs shares, with 4.59% of its total shares outstanding invested in 7.87M Astera Labs shares.

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