Astera Labs
ALAB · NASDAQ
$284.80−$1.78 (−0.62%)TodayMarket closed ·
Prev close $286.58
Who owns ALAB
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 45.1% of ALAB’s shares.
- Fidelity Management & Research Company LLC14.2%
- BlackRock Institutional Trust Company, N.A.5.9%
- Vanguard Portfolio Management, LLC4.6%
- Mohan (Jitendra)4.4%
- Next 6 largest institutions15.9%
- All other shareholders54.9%
| Holder | Shares | % of shares |
|---|---|---|
| Fidelity Management & Research Company LLC | 24.27M | 14.16% |
| BlackRock Institutional Trust Company, N.A. | 10.18M | 5.94% |
| Vanguard Portfolio Management, LLC | 7.89M | 4.60% |
| Mohan (Jitendra) | 7.60M | 4.44% |
| Gajendra (Sanjay) | 7.02M | 4.10% |
| Vanguard Capital Management, LLC | 6.73M | 3.92% |
| Invesco Capital Management LLC | 4.79M | 2.80% |
| State Street Investment Management (US) | 3.68M | 2.15% |
| Geode Capital Management, L.L.C. | 2.80M | 1.63% |
| T. Rowe Price Associates, Inc. | 2.26M | 1.32% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Fidelity Select Semiconductors Portfolio | 7.85M | 4.58% |
| Vanguard Total Stock Market Index Fund | 4.91M | 2.87% |
| Invesco QQQ Trust | 3.69M | 2.15% |
| iShares Semiconductor ETF | 3.28M | 1.91% |
| VanEck Semiconductor ETF | 2.11M | 1.23% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $576.37M (358 trades) of ALAB on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Dyckerhoff Stefan A | Sale | 661 | $248.58K |
| Dyckerhoff Stefan A | Sale | 8.33K | $3.13M |
| Dyckerhoff Stefan A | Sale | 3.50K | $1.32M |
| HURLSTON MICHAEL E. | Award | 72 | $22.43K |
| Dyckerhoff Stefan A | Award | 68 | $21.19K |
| BARRATT CRAIG H | Award | 68 | $21.19K |
| Dyckerhoff Stefan A | Sale | 32 | $8.86K |
| Dyckerhoff Stefan A | Sale | 407 | $112.64K |
| Dyckerhoff Stefan A | Sale | 172 | $47.60K |
| Dyckerhoff Stefan A | Sale | 148 | $40.78K |
Short interest
Settled Sep 30, 2026
- Shares short
- 9.18M
- Days to cover
- 2.22
- % of shares outstanding
- 5.35%
- Average daily volume
- 4.13M
- Change since last report
- +5.7%
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