ALABAstera Labs, Inc.

$290.54

Who owns ALAB

686 institutions reported holding ALAB for 2026Q1, together 66% of the company, fewer than the 690 a quarter earlier.

686

Institutions reporting a position · as of 2026Q1 · down from 690 the quarter before

Shares held by institutions
120.3M

Shares held by institutions · 66% of the company · long US equity positions only, as reported on Form 13F

Reported value
$13.3B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
32%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
9
New positions
125
Positions exited
132
Added to
255
Reduced
209
Top 10 holdersof the company
39%
Institutional ownership by quarter, 2024Q1 to 2026Q1
QuarterFilersSharesReported value
2026Q1686120.3M$13.3B
2025Q4690116.2M$19.3B
2025Q3646110.4M$21.7B
2025Q2503102.5M$9.27B
2025Q138198.1M$5.86B
2024Q441694.2M$12.5B
2024Q324174.1M$3.87B
2024Q214650.9M$3.08B
2024Q112042.5M$3.15B
Largest reported holders, 2026Q1
HolderShares% of companyValue
FMR LLC25.5M14%$2.80B
VANGUARD GROUP INC14.9M8.2%$1.63B
BlackRock Inc.11.4M6.3%$1.25B
Atreides Management, LP3.4M1.9%$369M
STATE STREET CORP3.3M1.8%$365M
FRED ALGER MANAGEMENT, LLC2.6M1.4%$282M
ALLIANCEBERNSTEIN L.P.2.5M1.4%$275M
GEODE CAPITAL MANAGEMENT LLC2.5M1.4%$274M
Amundi Group1.9M1.0%$206M
VAN ECK ASSOCIATES CORP1.9M1.0%$204M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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