Astera Labs, Inc. - COMMON STOCK (ALAB)

CUSIP: 04626A103

Q3 2026 13F Holders as of 30 Sep 2026

Holder snapshot 7 signals
Share change
+3,439,752
Put/Call ratio
32%
SEC-reported price per share
$355.97
Number of holders
645
Value change
+$895,071,807
Number of buys
374
Open additional details 1 more signal available
Number of sells
296
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
173,342,815

Security key

04626A103

Report period

Q3 2026

Institutions

645

Top holders

10

Ownership snapshot

Top reported holders of ALAB - Astera Labs, Inc. - COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
6/15
Latest evidence
17 Aug 2026
13F 13D/G 3/4/5 Lead comparable stake: 9.1% 9 rows are not safely comparable across share classes. 13D/G row: FMR LLC Showing 1-6 of 15 holder rows.

Quick read

FMR LLC leads the comparable SEC ownership view at 9.1%.

6 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens FMR LLC's linked filing trail.
Comparable ownership Top 5
FMR LLC 9.1%
BlackRock, Inc. 7.4%
Mohan Jitendra 5.4%
Gajendra Sanjay 4.5%
ALLIANCEBERNSTEIN L.P. 3.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
FMR LLC
13F 13D/G
Company
9.1%
Reported 13D/G · 30 Sep 2026
$12,000,807,697
24,845,364 shares
— 30 Jun 2026
BlackRock, Inc.
13F 13D/G
Company
7.4%
Reported 13D/G · 30 Jun 2026
$6,609,580,511
13,683,865 shares
— 30 Jun 2026
Mohan Jitendra
3/4/5 13D/G
Chief Executive Officer, Director
5.4%
Reported 13D/G · 30 Sep 2025
$3,701,894,259
8,055,898 shares
-$234,095,656 17 Aug 2026
Gajendra Sanjay
3/4/5 13D/G
President and COO, Director
4.5%
Reported 13D/G · 30 Sep 2025
$3,522,795,203
7,639,440 shares
-$318,614,360 17 Aug 2026
ALLIANCEBERNSTEIN L.P.
13D/G 13F
Company
3.9%
Reported 13D/G · 30 Jun 2025
$612,952,522
6,391,580 shares
-$192,705,200 30 Jun 2025
Atreides Management, LP
13F 13D/G
Company
1.2%
Reported 13D/G · 31 Dec 2024
$587,736,321
1,216,795 shares
— 30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
645
Shares
58,858,112
Rows available
645
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders
986
Q3 2026 holders
645
Holder diff
-341
Investor Q2 2026 Shares Q3 2026 Shares Share Diff Share Chg % Q2 2026 value Q3 2026 value Value change Value Chg %
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