Astera Labs, Inc. (ALAB) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

163,004,098Shares Outstanding

1,541,891Shares held by institutions

$190,716,498Value of institutional holdings

72.44%Institutional ownership %

8.61%Shares Changed QoQ

657No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Astera Labs, Inc. (NASDAQ:ALAB) is held by 657 institutional firms.

These investors collectively held 72.4% of the company's total shares outstanding in December 2025, up from 70.9% in September 2025.
The company experienced a 8.61% quarterly change in institutional shares held, alongside an increase of 59.85% in total owners annually.
Among the 657 institutional holders of Astera Labs, 421 added to their stakes while 188 trimmed their positions and 48 held steady.
Collectively, institutional investors increased their stake in Astera Labs to 118.07Mn shares as of December 2025, a change that is up by 9.36Mn shares quarter on quarter and up 21.49Mn shares year over year.
FMR LLC continues to be the largest institutional holder of Astera Labs as of December 31, 2025, with a position of 25.33Mn shares, representing 15.54% of the company's outstanding stock.
Among the most significant buyers of Astera Labs during December 2025 were BlackRock, Inc. (1.74Mn), Atreides Management, LP (1.55Mn), FMR LLC (1.26Mn), UBS Group AG (976.58K), Artisan Partners Limited Partnership (895.53K).
Leading sellers of Astera Labs stock in December 2025 included BARCLAYS PLC (864.78K), DRIEHAUS CAPITAL MANAGEMENT LLC (822.56K), Value Aligned Research Advisors, LLC (810.03K), ALLIANCEBERNSTEIN L.P. (740.89K), TWO SIGMA ADVISERS, LP (719.00K).
The top 10 institutional holders of Astera Labs for the quarter ending December 2025 included FMR LLC (25.33Mn), VANGUARD GROUP INC (13.83Mn), BlackRock, Inc. (12.97Mn), JANE STREET GROUP, LLC (3.34Mn), STATE STREET CORP (3.10Mn), D. E. Shaw & Co., Inc. (2.45Mn), GEODE CAPITAL MANAGEMENT, LLC (2.43Mn), ALLIANCEBERNSTEIN L.P. (2.18Mn), FRED ALGER MANAGEMENT, LLC (1.93Mn), MORGAN STANLEY (1.93Mn).

657 Institutional Holders

1,541,891 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	25,334,941	1,255,455	5.21%	$4,214,720,843.00
VANGUARD GROUP INC	31 Dec, 2025	13,827,506	84,365	0.61%	$2,300,343,898.00
BlackRock, Inc.	31 Dec, 2025	12,968,858	1,739,429	15.49%	$2,157,499,154.00
JANE STREET GROUP, LLC	31 Dec, 2025	3,336,594	-412,687	-11.01%	$555,075,778.00
STATE STREET CORP	31 Dec, 2025	3,099,809	760,358	32.50%	$515,684,225.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	2,452,380	-94,756	-3.72%	$407,977,937.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,429,078	104,935	4.51%	$403,597,661.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	2,177,795	-740,890	-25.38%	$362,297,976.00
FRED ALGER MANAGEMENT, LLC	31 Dec, 2025	1,934,688	393,250	25.51%	$321,854,695.00
MORGAN STANLEY	31 Dec, 2025	1,934,467	480,009	33.00%	$321,818,379.00
UBS Group AG	31 Dec, 2025	1,803,356	976,580	118.12%	$300,006,304.00
Atreides Management, LP	31 Dec, 2025	1,611,194	1,549,144	2,496.61%	$268,038,234.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	1,488,817	-492,752	-24.87%	$247,679,595.00
1832 Asset Management L.P.	31 Dec, 2025	1,347,000	386,500	40.24%	$224,086,920.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,312,927	838,693	176.85%	$218,418,536.00
Rafferty Asset Management, LLC	31 Dec, 2025	1,166,716	96,241	8.99%	$194,094,874.00
BARCLAYS PLC	31 Dec, 2025	1,150,080	-864,776	-42.92%	$191,327,308.00
Amundi	31 Dec, 2025	1,057,353	-363,910	-25.60%	$175,901,245.00
DEUTSCHE BANK AG\	31 Dec, 2025	981,712	600,985	157.85%	$163,317,608.00
MAVERICK CAPITAL LTD	31 Dec, 2025	975,959	-56,482	-5.47%	$162,360,539.00

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