ALAB
ASTERA LABS (ALAB)
NASDAQ
$328.48+$8.69 (+2.72%)
Price as of Jul 22, 2026 3:44 PM EDT
  • $54.8B
    Market Cap
  • 173.54%
    1-Year Change
  • Semiconductors
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
14.89%
25.5M
+194,944 (+0.76%)
Mar 31, 2026
VANGUARD GROUP INC
8.07%
13.8M
+84,365 (+0.61%)
Dec 31, 2025
BLACKROCK, INC.
6.68%
11.4M
-1.5M (-13.27%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
3.88%
6.7M
+4.4M (+66.46%)
Dec 31, 2024
SUSQUEHANNA INTERNATIONAL GROUP, LLP
2.22%
3.8M
+593,700 (+15.63%)
Mar 31, 2026
ATREIDES MANAGEMENT, LP
1.96%
3.4M
+1.8M (+52.13%)
Mar 31, 2026
STATE STREET CORP
1.94%
3.3M
+233,797 (+7.01%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions651.3M (68.13%)
  • Mutual Funds301.2M (31.50%)
  • Insiders3.5M (0.37%)
  • Other0 (0.00%)

Insider Transactions

  • 0.37% (3.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 7
    Number of InsiderSelling (last 12 months)
  • $32.3B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Dyckerhoff Stefan A
Sell
Jul 01, 2026
$1.6M
3,505
$450.00
57,466
ALBA MANUEL
Sell
Jul 01, 2026
$438,851.12
971
$451.96
294,383
Dyckerhoff Stefan A
Sell
Jul 01, 2026
$3.7M
8,333
$450.00
311,399
ALBA MANUEL
Sell
Jul 01, 2026
$120,076.88
265
$453.12
294,118
Dyckerhoff Stefan A
Sell
Jul 01, 2026
$297,450.00
661
$450.00
4,631
ALBA MANUEL
Sell
Jul 01, 2026
$197,868.79
436
$453.83
293,682
ALBA MANUEL
Sell
Jul 01, 2026
$327,543.34
720
$454.92
292,962
ALBA MANUEL
Sell
Jul 01, 2026
$290,401.10
637
$455.89
292,325
ALBA MANUEL
Sell
Jul 01, 2026
$341,359.06
747
$456.97
291,578
ALBA MANUEL
Sell
Jul 01, 2026
$460,746.29
1,006
$458.00
290,572
ALBA MANUEL
Sell
Jul 01, 2026
$387,870.55
845
$459.02
289,727
ALBA MANUEL
Sell
Jul 01, 2026
$153,664.45
334
$460.07
289,393
ALBA MANUEL
Sell
Jul 01, 2026
$215,967.73
468
$461.47
288,925
ALBA MANUEL
Sell
Jul 01, 2026
$290,875.14
629
$462.44
288,296
ALBA MANUEL
Sell
Jul 01, 2026
$229,823.73
496
$463.35
287,800
ALBA MANUEL
Sell
Jul 01, 2026
$142,586.64
307
$464.45
287,493
ALBA MANUEL
Sell
Jul 01, 2026
$34,959.82
75
$466.13
287,418
ALBA MANUEL
Sell
Jul 01, 2026
$102,250.20
219
$466.90
287,199
ALBA MANUEL
Sell
Jul 01, 2026
$157,246.29
336
$467.99
286,863
ALBA MANUEL
Sell
Apr 01, 2026
$6.1M
57,001
$106.32
1.5M
Mazzara Philip
General Counsel and Secretary
Sell
Apr 01, 2026
$329,662.06
3,100
$106.34
124,984
ALBA MANUEL
Sell
Apr 01, 2026
$2.6M
24,317
$107.44
1.5M
Mazzara Philip
General Counsel and Secretary
Sell
Apr 01, 2026
$213,470.08
1,985
$107.54
122,999
ALBA MANUEL
Sell
Apr 01, 2026
$4.9M
45,668
$108.33
1.4M
Mazzara Philip
General Counsel and Secretary
Sell
Apr 01, 2026
$370,201.71
3,415
$108.40
119,584
ALBA MANUEL
Sell
Apr 01, 2026
$1.7M
15,367
$109.10
1.4M
Mazzara Philip
General Counsel and Secretary
Sell
Apr 01, 2026
$109,156.00
1,000
$109.16
118,584
ALBA MANUEL
Sell
Apr 01, 2026
$557,668.67
5,060
$110.21
1.4M
Mazzara Philip
General Counsel and Secretary
Sell
Apr 01, 2026
$55,173.00
500
$110.35
118,084
ALBA MANUEL
Sell
Apr 01, 2026
$287,522.28
2,587
$111.14
1.4M