Security key
04626A103
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 954,767
- Total 13F value
- $451,007,935
- Share change
- -128,186
- SEC-reported price per share
- $483.02
- Number of holders
- 129
- Value change
- -$45,524,990
- Number of buys
- 85
- Number of sells
- 45
- Shares outstanding
- 169,476,048
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
129
Top holders
10
ALAB full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
Astera Labs, Inc. SEC filings
Astera Labs, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 04626A103
Recent filing periods:
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
BlackRock, Inc.
Disclosed value leader
FMR LLC
Comparable rows
15/15
Latest evidence
24 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 6.2%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 6.2%.
15 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 BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
6.2%
Mohan Jitendra
5.4%
Gajendra Sanjay
4.5%
ALLIANCEBERNSTEIN L.P.
3.9%
Atreides Management, LP
1.2%
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
6.2%
|
$1,748,030,195
10,507,515 shares
|
+$358,479,515 | 31 Dec 2025 |
| Mohan Jitendra |
13D/G
3/4/5
Chief Executive Officer, Director
|
5.4%
|
$1,795,425,694
9,169,692 shares
|
$0 | 30 Sep 2025 |
| Gajendra Sanjay |
13D/G
3/4/5
President and COO, Director
|
4.5%
|
$1,481,272,817
7,565,234 shares
|
$0 | 30 Sep 2025 |
| ALLIANCEBERNSTEIN L.P. |
13D/G
13F
Company
|
3.9%
|
$612,952,522
6,391,580 shares
|
-$192,705,200 | 30 Jun 2025 |
| Atreides Management, LP |
13F
13D/G
Company
|
1.2%
from 13D/G
|
$368,890,255
3,365,787 shares
|
— | 31 Mar 2026 |
| Michael Truett Tate |
3/4/5
Chief Financial Officer
|
0.38%
|
$107,006,899
642,364 shares
|
-$42,858,301 | 17 Feb 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 Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
129
Shares
954,767
Rows available
129
| 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 Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
690
Q2 2026 holders
129
Holder diff
-561
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend