ALAB · NASDAQ · Semiconductors

Astera Labs

Connects cloud and AI systems with mixed-signal semiconductors and embedded COSMOS software.

$290.30
After-hours close+0.44 (+0.15%)
At close$289.85(−4.68%)

Breakdown13F · Form 4

Institutions 133.31%Insiders 8.05%

A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.

Shares outstanding 171.41M · Float 140.26M · 81.8% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
FMR LLC24.85M14.49%13FAug 13, 2026
BlackRock, Inc.13.68M7.98%13FAug 7, 2026
Vanguard Portfolio Management LLC7.89M4.60%13FAug 13, 2026
Vanguard Capital Management LLC6.73M3.92%13FAug 13, 2026
Sanjay Gajendra · director, officer: President and COO6.41M3.74%Form 4Aug 19, 2026

Institutions13F, as of Jun 30, 2026

1,064 holders · 228.51M shares · 376 new positions · 670 increased · 261 reduced · 88 closed

HolderShares% outstandingChg q/qFiled
FMR LLC24.85M14.49%−684.5KAug 13, 2026
BlackRock, Inc.13.68M7.98%+2.23MAug 7, 2026
Vanguard Portfolio Management LLC7.89M4.60%+577.9KAug 13, 2026
Vanguard Capital Management LLC6.73M3.92%+386.4KAug 13, 2026
Invesco Ltd.4.91M2.86%+4.54MAug 14, 2026
State Street Corp3.68M2.15%+344.5KAug 7, 2026
Geode Capital Management, LLC2.80M1.63%+287.9KAug 12, 2026
Price T Rowe Associates Inc /MD/2.41M1.41%+1.79MAug 14, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Jitendra Mohan6.80%10.80M13GNov 19, 2024
BlackRock, Inc.6.20%10.51M13GJan 21, 2026
Sanjay Gajendra5.50%8.71M13GNov 19, 2024
Mohan Jitendra5.40%9.17M13GNov 14, 2025

InsidersForm 4

InsiderRoleShares% outstandingFiled
Sanjay Gajendradirector, officer: President and COO6.41M3.74%Aug 19, 2026
Jitendra Mohandirector, officer: Chief Executive Officer5.06M2.95%Aug 19, 2026
Manuel Albadirector1.29M0.75%Jul 6, 2026
Michael Truett Tateofficer: Chief Financial Officer642.4K0.37%Feb 19, 2026
Philip Mazzaraofficer: General Counsel and Secretary96.5K0.06%Aug 19, 2026
Michael E. Hurlstondirector92.5K0.05%Jun 8, 2026
Jack R. Lazardirector75.7K0.04%Jun 8, 2026
Stefan A. Dyckerhoffdirector57.9K0.03%Aug 10, 2026
Desmond Lynchofficer: Chief Financial Officer42.5K0.02%May 5, 2026
Germaine Cotaofficer: Chief Accting. Off. & VP, Fin.26.4K0.02%Jul 22, 2026

1 ten-percent owner holds 11.18M shares by Form 4, outside the officers-and-directors figure above

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 17, 2026
Sanjay Gajendradirector, officer: President and COO
Sale · 18 lots90,630$340.351,119,038
Aug 17, 2026
Jitendra Mohandirector, officer: Chief Executive Officer
Sale · 18 lots90,630$340.351,266,665
Aug 17, 2026
Philip Mazzaraofficer: General Counsel and Secretary
Sale · 18 lots6,801$340.5096,542
Aug 6, 2026
Stefan A. Dyckerhoffdirector
Sale · 9 lots12,499$311.8357,931
Jul 1, 2026
Manuel Albadirector
Sale · 74 lots183,000$443.87286,863
Jul 1, 2026
Stefan A. Dyckerhoffdirector
Sale · 3 lots12,499$450.0062,097
Jun 24, 2026
Bethany Mayerdirector
Sale · 6 lots686$395.045,550
Jun 4, 2026
Jack R. Lazardirector
Sale · 18 lots10,000$355.1775,688
Jun 3, 2026
Stefan A. Dyckerhoffdirector
Sale · 6 lots12,499$364.3565,426
May 21, 2026
Philip Mazzaraofficer: General Counsel and Secretary
Sale796$291.03103,343

CongressHouse and Senate disclosures

Not reported.