ALAB

Astera Labs Inc$319.74 8.81%
Information TechnologyUSCUSIP 04626A103· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
507
+3 QoQ
13F Value (tracked)
$12.8B
Insider Net · 180d
-$595.7M
0↑ 8↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)31 adding · 20 trimming
Insider net (180d)-$595.7M

Price & smart-money activity

$319.74 8.81%2Y +415.5%
$0.64$130.17$259.69$389.22$518.75202420252026359440352671223317210549362193701441316477161123965182135977164149168833213
Hover for who · click for detailEnd-of-day closing prices52w $91.94 – $483.02
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Ask your agent what changed in ALAB

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/ALAB/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for ALAB.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

507 tracked 13F filers
3 source-reported value rows are withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1FMR LLC
$2.8B
25.5M
+0.8%
Added · +195K sh
Q1 2026
2BlackRock, Inc.
$1.3B
11.4M
−12%
Reduced · −1.5M sh
Q1 2026
3VANGUARD PORTFOLIO MANAGEMENT LLC
$801.2M
7.3M
New
+7.3M sh
Q1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$694.9M
6.3M
New
+6.3M sh
Q1 2026
5Atreides Management, LP
$368.9M
3.4M
+109%
Added · +1.8M sh
Q1 2026
6STATE STREET CORP
$365.4M
3.3M
+7.5%
Added · +234K sh
Q1 2026
7FRED ALGER MANAGEMENT, LLC
$282.0M
2.6M
+33%
Added · +638K sh
Q1 2026
8ALLIANCEBERNSTEIN L.P.
$418.0M
2.5M
+15%
Added · +335K sh
Q1 2026
9GEODE CAPITAL MANAGEMENT, LLC
$274.2M
2.5M
+3.3%
Added · +79K sh
Q1 2026
10Amundi
$206.1M
1.9M
+78%
Added · +823K sh
Q1 2026
11VAN ECK ASSOCIATES CORP
Withheld
1.9M
42×
Added · +1.8M sh
Q1 2026
12BNP PARIBAS FINANCIAL MARKETS
$198.8M
1.8M
+127%
Added · +1.0M sh
Q1 2026
13BANK OF AMERICA CORP /DE/
$196.0M
1.8M
+20%
Added · +299K sh
Q1 2026
14MORGAN STANLEY
$189.9M
1.7M
−10%
Reduced · −202K sh
Q1 2026
15BARCLAYS PLC
$170.3M
1.6M
+35%
Added · +404K sh
Q1 2026
16D. E. Shaw & Co., Inc.
$166.5M
1.5M
−38%
Reduced · −933K sh
Q1 2026
17CITIGROUP INC
$165.8M
1.5M
+63%
Added · +585K sh
Q1 2026
18UBS Group AG
$158.1M
1.4M
−7.2%
Reduced · −111K sh
Q1 2026
19GOLDMAN SACHS GROUP INC
$151.3M
1.4M
+5.1%
Added · +67K sh
Q1 2026
20MAVERICK CAPITAL LTD
$104.7M
955K
−2.1%
Reduced · −21K sh
Q1 2026
21Rafferty Asset Management, LLC
$103.6M
946K
−19%
Reduced · −221K sh
Q1 2026
22WESTFIELD CAPITAL MANAGEMENT CO LP
$94.3M
860K
+340%
Added · +665K sh
Q1 2026
23VANGUARD FIDUCIARY TRUST CO
$93.4M
852K
New
+852K sh
Q1 2026
24FULLER & THALER ASSET MANAGEMENT, INC.
$91.5M
835K
+1.3%
Added · +11K sh
Q1 2026
25NORTHERN TRUST CORP
$88.2M
805K
+5.7%
Added · +43K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
6
funds
Added
25
funds
Reduced
20
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$595.7M
8 insiders
Net
-$595.7M
328 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jul 1, 2026Dyckerhoff Stefan ADirectorSell (S)4K$1.6M
Jul 1, 2026Dyckerhoff Stefan ADirectorSell (S)8K$3.7M
Jul 1, 2026Dyckerhoff Stefan ADirectorSell (S)661$297K
Jul 1, 2026ALBA MANUELDirectorSell (S)6K$2.5M
Jul 1, 2026ALBA MANUELDirectorSell (S)30K$13.0M
Jul 1, 2026ALBA MANUELDirectorSell (S)3K$1.5M
Jul 1, 2026ALBA MANUELDirectorSell (S)2K$682K
Jul 1, 2026ALBA MANUELDirectorSell (S)2K$991K
Jul 1, 2026ALBA MANUELDirectorSell (S)2K$925K
Jul 1, 2026ALBA MANUELDirectorSell (S)4K$1.6M
Jul 1, 2026ALBA MANUELDirectorSell (S)2K$932K
Jul 1, 2026ALBA MANUELDirectorSell (S)3K$1.3M

Institutional ownership over time

476 funds+312 since Q3 2024
0238476Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $12.6B · 1 values withheld

Funds that own ALAB also own

CompanyCo-held byCombined value
NVIDIA CORPNVDA246 funds$358.1B
MICROSOFT CORPMSFT241 funds$242.9B
AMAZON.COM INCAMZN240 funds$191.2B
BROADCOM INCAVGO237 funds$136.3B
META PLATFORMS INC-CLASS AMETA237 funds$105.6B
APPLE INCAAPL236 funds$264.6B
ALPHABET INC-CL AGOOGL234 funds$152.4B
MICRON TECHNOLOGY INCMU234 funds$35.9B
VISA INC-CLASS A SHARESV232 funds$53.1B
ALPHABET INC-CL CGOOG229 funds$113.7B
MASTERCARD INC - AMA229 funds$47.6B
TESLA INCTSLA228 funds$68.3B

Ranked by how many of ALAB's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ALAB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.