Security Snapshot

Astera Labs, Inc. - Common Stock (ALAB) Institutional Ownership

CUSIP: 04626A103

13F Institutional Holders and Ownership History from Q1 2024 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

686

Shares (Excl. Options)

118,035,872

Price

$109.60

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Latest holder snapshot 5 signals
Portfolio coverage rank
0.01%
Share change
+2,027,753
Value change
+$11,710,824
Number of holders
686
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
169,476,048
SEC-reported price per share
$224.09
Insider filing price
$224.09
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • ALAB - Astera Labs, Inc. - Common Stock is tracked under CUSIP 04626A103.
  • 686 institutions reported positions in Q1 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 694 to 686 between Q4 2025 and Q1 2026.
  • SEC-reported value moved from $19,333,081,850 to $12,930,195,201.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 686 institutions filings for Q1 2026.

Open SEC evidence

Security key

04626A103

Latest holder period

Q1 2026

13F holders

686

13D/G owners

5

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
ALAB
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 6.2% +24% $1,748,030,195 +$358,479,515 10,507,515 +26% BlackRock, Inc. 31 Dec 2025
Mohan Jitendra 5.4% $1,795,425,694 9,169,692 Mohan Jitendra 30 Sep 2025
Gajendra Sanjay 4.5% $1,481,272,817 7,565,234 Gajendra Sanjay 30 Sep 2025
ALLIANCEBERNSTEIN L.P. 3.9% -26% $612,952,522 -$192,705,200 6,391,580 -24% AllianceBernstein L.P. 30 Jun 2025
Atreides Management, LP 1.2% $118,555,758 1,836,650 Atreides Management, LP 31 Dec 2024

As of 31 Mar 2026, 686 institutional investors reported holding 118,035,872 shares of Astera Labs, Inc. - Common Stock (ALAB). This represents 70% of the company’s total 169,476,048 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
50%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
FMR LLC 15% 25,529,885 +0.77% 0.15% $2,798,075,366
BlackRock, Inc. 6.8% 11,449,769 -12% 0.02% $1,254,894,655
VANGUARD PORTFOLIO MANAGEMENT LLC 4.3% 7,309,778 0% 0.04% $801,151,669
VANGUARD CAPITAL MANAGEMENT LLC 3.7% 6,340,732 0% 0.02% $694,944,227
Atreides Management, LP 2% 3,365,787 +109% 9% $368,890,255
STATE STREET CORP 2% 3,333,606 +7.5% 0.01% $365,363,218
FRED ALGER MANAGEMENT, LLC 1.5% 2,573,005 +33% 1.2% $282,001,348
GEODE CAPITAL MANAGEMENT, LLC 1.5% 2,508,264 +3.3% 0.02% $274,170,956
Amundi 1.1% 1,880,830 +78% 0.06% $206,138,969
VAN ECK ASSOCIATES CORP 1.1% 1,864,416 +4060% 0.15% $204,340,000
BNP PARIBAS FINANCIAL MARKETS 1.1% 1,813,818 0% 0.13% $198,794,453
BANK OF AMERICA CORP /DE/ 1.1% 1,788,232 +20% 0.01% $195,990,227
MORGAN STANLEY 1% 1,732,347 -10% 0.01% $189,865,472
BARCLAYS PLC 0.92% 1,554,180 +35% 0.06% $170,338,128
D. E. Shaw & Co., Inc. 0.9% 1,519,561 -38% 0.13% $166,543,886
CITIGROUP INC 0.89% 1,513,054 +63% 0.11% $165,830,719
UBS Group AG 0.85% 1,442,578 -7.2% 0.03% $158,106,548
GOLDMAN SACHS GROUP INC 0.81% 1,380,114 +5.1% 0.02% $151,260,549
MAVERICK CAPITAL LTD 0.56% 955,356 -2.1% 1.2% $104,707,018
Rafferty Asset Management, LLC 0.56% 945,506 -19% 0.42% $103,627,458
WESTFIELD CAPITAL MANAGEMENT CO LP 0.51% 860,113 +340% 0.4% $94,268,376
VANGUARD FIDUCIARY TRUST CO 0.5% 851,761 0% 0.02% $93,353,006
1832 Asset Management L.P. 0.5% 850,700 -37% 0.12% $93,236,720
FULLER & THALER ASSET MANAGEMENT, INC. 0.49% 834,660 +1.3% 0.31% $91,478,689
NORTHERN TRUST CORP 0.47% 804,661 +5.7% 0.01% $88,190,846

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
9
Latest
Q1 2026
Rows shown
1-9 of 9
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 118,035,872 $12,930,195,201 +$11,710,824 $109.60 686
2025 Q4 116,141,651 $19,333,081,850 +$744,563,883 $166.36 694
2025 Q3 110,700,657 $21,711,911,522 +$1,661,212,684 $195.80 648
2025 Q2 102,645,031 $9,280,526,514 +$636,726,917 $90.42 497
2025 Q1 97,957,717 $5,843,500,919 -$288,888,464 $59.67 378
2024 Q4 94,200,126 $12,476,459,379 +$3,064,396,785 $132.45 414
2024 Q3 73,730,998 $3,863,029,481 +$1,151,386,564 $52.39 237
2024 Q2 50,882,191 $3,078,687,826 +$449,075,861 $60.51 144
2024 Q1 42,506,559 $3,153,546,885 +$3,152,180,808 $74.19 121
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