Astera Labs Ownership | Who Owns Astera Labs?
Astera Labs Ownership Summary
Astera Labs is owned by 62.02% institutional investors, 13.41% insiders, and 24.58% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 4.31% of ALAB shares.
ALAB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Astera Labs | 62.02% | 13.41% | 24.58% |
| Sector | Technology Stocks | 143.99% | 12.56% | -56.55% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 7.12M | 4.31% | $644.19M |
| Lord, abbett | 1.96M | 1.18% | $176.87M |
| Fred alger management | 1.78M | 1.08% | $161.34M |
| 1832 asset management | 1.54M | 0.93% | $139.56M |
| Driehaus capital management | 1.35M | 0.81% | $121.73M |
| Value aligned research advisors | 1.18M | 0.71% | $106.79M |
| Maverick capital | 1.03M | 0.62% | $93.35M |
| Massachusetts financial services co /ma/ | 1.03M | 0.62% | $92.98M |
| Atreides management, lp | 954.78K | 0.58% | $86.33M |
| Spyglass capital management | 734.57K | 0.44% | $66.42M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Renaissance capital | 81.13K | 8.90% | $15.88M |
| Fenghe fund management pte. | 324.00K | 5.79% | $63.44M |
| Spyglass capital management | 734.57K | 3.92% | $66.42M |
| G2 investment partners management | 133.70K | 2.65% | $12.09M |
| Taylor frigon capital management | 26.30K | 2.56% | $5.15M |
| Atreides management, lp | 954.78K | 2.40% | $86.33M |
| Value aligned research advisors | 1.18M | 2.26% | $106.79M |
| Greenhouse funds lllp | 534.53K | 2.00% | $48.33M |
| Wealth management partners | 26.08K | 1.62% | $5.11M |
| Freemont management | 119.50K | 1.62% | $10.81M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 7.12M | 0.01% | 2.47M |
| Driehaus capital management | 1.35M | 0.97% | 1.15M |
| Massachusetts financial services co /ma/ | 1.03M | 0.03% | 1.03M |
| 1832 asset management | 1.54M | 0.11% | 929.60K |
| Lord, abbett | 1.96M | 0.57% | 762.89K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Atreides management, lp | 954.78K | 2.40% | -3.70M |
| Jennison associates | - | - | -1.74M |
| Qube research | - | - | -1.03M |
| Altimeter capital management, lp | - | - | -981.70K |
| Fenghe fund management pte. | 324.00K | 5.79% | -856.85K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Holocene advisors, lp | 617.41K | 0.14% | 617.41K | $55.83M |
| Allspring global investments | 442.94K | 0.14% | 442.94K | $86.15M |
| Exoduspoint capital management, lp | 100.63K | 0.08% | 100.63K | $9.10M |
| Oak grove capital | 93.50K | 1.39% | 93.50K | $8.45M |
| Summitry | 89.00K | 0.36% | 89.00K | $8.05M |
Sold Out
| Holder | Change |
|---|---|
| Stephens consulting | -3.00 |
| American capital advisory | -4.00 |
| Cbiz investment advisory services | -5.00 |
| Ulland investment advisors | -10.00 |
| Continuum advisory | -12.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 541 | 27.29% | 102,591,786 | 4.70% | 62 | 1.72% | 374 | 44.40% | 96 | -2.04% |
| Mar 31, 2025 | 423 | -6.00% | 98,036,315 | 5.93% | 60 | 1.79% | 256 | -19.50% | 98 | 28.95% |
| Dec 31, 2024 | 454 | 60.42% | 94,177,809 | 27.54% | 58 | 2.66% | 321 | 64.62% | 77 | 126.47% |
| Sep 30, 2024 | 283 | 71.52% | 73,842,131 | 45.06% | 47 | 4.38% | 195 | 72.57% | 34 | 41.67% |
| Jun 30, 2024 | 165 | 25.00% | 50,904,544 | 20.10% | 32 | 0.50% | 113 | -7.38% | 24 | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 01, 2025 | Mazzara Philip | General Counsel and Secretary | Sell | $96.63K |
| Oct 01, 2025 | Mazzara Philip | General Counsel and Secretary | Sell | $266.41K |
| Oct 01, 2025 | Mazzara Philip | General Counsel and Secretary | Sell | $131.04K |
| Oct 01, 2025 | Mazzara Philip | General Counsel and Secretary | Sell | $150.70K |
| Oct 01, 2025 | Mazzara Philip | General Counsel and Secretary | Sell | $192.21K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 9 |
| 2025 Q3 | - | 120 |
| 2025 Q2 | - | 94 |
| 2025 Q1 | - | 4 |
| 2008 Q1 | - | - |
ALAB Ownership FAQ
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