Position in ALAB
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$120,416,402
+$26,148,018 QoQ
Shares Held
249,299
-71.0% QoQ
Ownership
0.144%
of shares outstanding
% of Portfolio
0.40%
of 13F equity value
Holder Rank
#70
of 987 holders
Holding Since
Sep 2024
6 quarters on record
Voting authority
Sole 81%
Shared 0%
None 19%
Common Shares in ALAB Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $3,892,895,572 across 19 Semiconductors names. ALAB ranks #8 (3.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NVDA |
Nvidia Corp
|
8,079,926 | $1,616,712,393 | |
| 2 | AVGO |
Broadcom Inc.
|
1,556,522 | $587,976,185 | |
| 3 | MU |
Micron Technology Inc
|
228,203 | $263,412,440 | |
| 4 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
510,999 | $244,037,792 | |
| 5 | AMD |
Advanced Micro Devices Inc
|
403,081 | $234,153,783 | |
| 6 | SMTC |
Semtech Corp
|
1,133,268 | $183,419,425 | |
| 7 | MCHP |
Microchip Technology Inc
|
1,639,111 | $149,486,923 | |
| 8 | ALAB |
Astera Labs, Inc.
This page
|
249,299 | $120,416,402 |
All Filings in ALAB
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $120,416,402 | 249,299 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $94,268,384 | 860,113 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $32,489,109 | 195,294 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $37,713,821 | 192,614 | Shares | Sole | 2025-11-12 | |
| 2025-03-31 | $27,870,663 | 467,080 | Shares | Sole | 2025-05-09 | |
| 2024-09-30 | $52,048,521 | 993,482 | Shares | Sole | 2024-11-12 | |
| No filing history on record for this holder in this stock. | ||||||