| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | 7.3% | +25% | $1,089,490,744 | +$256,575,159 | 12,049,223 | +31% | The Vanguard Group | 30 Jun 2025 |
| Mohan Jitendra | 5.4% | $1,795,425,694 | 9,169,692 | Mohan Jitendra | 30 Sep 2025 | |||
| BlackRock, Inc. | 5% | $1,635,453,373 | 8,352,673 | BlackRock, Inc. | 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 30 Sep 2025, 640 institutional investors reported holding 110,672,362 shares of Astera Labs, Inc. - Common Stock, par value $0.0001 per share (ALAB). This represents 66% of the company’s total 168,116,311 outstanding shares.
The largest institutional shareholders of Astera Labs, Inc. - Common Stock, par value $0.0001 per share (ALAB) together control 49% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| FMR LLC | 14% | 24,079,486 | -2.9% | 0.25% | $4,714,763,379 |
| VANGUARD GROUP INC | 8.2% | 13,743,141 | +14% | 0.04% | $2,690,907,009 |
| BlackRock, Inc. | 6.7% | 11,229,429 | +58% | 0.04% | $2,198,722,283 |
| ALLIANCEBERNSTEIN L.P. | 1.7% | 2,918,685 | -54% | 0.18% | $571,478,523 |
| D. E. Shaw & Co., Inc. | 1.5% | 2,547,136 | +25% | 0.4% | $498,729,228 |
| STATE STREET CORP | 1.4% | 2,339,451 | +9.1% | 0.02% | $458,064,506 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.4% | 2,324,143 | +87% | 0.03% | $455,151,161 |
| BARCLAYS PLC | 1.2% | 2,014,856 | +3712% | 0.15% | $394,508,803 |
| BANK OF AMERICA CORP /DE/ | 1.2% | 1,981,569 | +148% | 0.03% | $387,991,211 |
| FRED ALGER MANAGEMENT, LLC | 0.92% | 1,541,438 | -14% | 1.2% | $301,813,560 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.9% | 1,507,675 | +47% | 0.09% | $295,202,764 |
| LORD, ABBETT & CO. LLC | 0.89% | 1,496,238 | -24% | 0.87% | $292,964,000 |
| MORGAN STANLEY | 0.87% | 1,454,458 | -13% | 0.02% | $284,783,484 |
| Amundi | 0.85% | 1,421,263 | +1299% | 0.1% | $313,829,083 |
| Value Aligned Research Advisors, LLC | 0.82% | 1,378,351 | +17% | 6.2% | $269,881,126 |
| TWO SIGMA INVESTMENTS, LP | 0.75% | 1,263,510 | +58% | 0.38% | $247,395,258 |
| BNP PARIBAS FINANCIAL MARKETS | 0.67% | 1,127,340 | 0% | 0.17% | $220,733,172 |
| TWO SIGMA ADVISERS, LP | 0.65% | 1,095,600 | +90% | 0.43% | $214,518,480 |
| Rafferty Asset Management, LLC | 0.64% | 1,070,475 | 0.68% | $209,599,005 | |
| MAVERICK CAPITAL LTD | 0.61% | 1,032,441 | 0% | 2.7% | $202,151,948 |
| 1832 Asset Management L.P. | 0.57% | 960,500 | -38% | 0.32% | $188,065,900 |
| CITIGROUP INC | 0.53% | 883,194 | +32% | 0.12% | $172,929,384 |
| RENAISSANCE TECHNOLOGIES LLC | 0.5% | 843,301 | +13% | 0.22% | $165,118,336 |
| UBS Group AG | 0.49% | 826,776 | +70% | 0.03% | $161,882,741 |
| Driehaus Capital Management LLC | 0.49% | 825,269 | -39% | 1.2% | $161,587,670 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 857,902 | $140,062,600 | +$83,832,608 | $166.36 | 29 |
| 2025 Q3 | 110,672,362 | $21,706,368,715 | +$1,660,427,824 | $195.80 | 640 |
| 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 |