ALAB
Astera Labs, Inc. Common Stock · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +2.6% ·
share flow +0.2% ·
net new positions +1.9%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 162 | +4 | 96.66M | $46.25B | +12 | −7 |
| Q1 2026 | 160 | +4 | 88.96M | $9.89B | +9 | −6 |
| Q4 2025 | 155 | 0 | 96.62M | $16.07B | +2 | −1 |
| Q3 2025 | 23 | +2 | 64.57M | $12.64B | +2 | −1 |
| Q2 2025 | 19 | 0 | 54.23M | $4.90B | +2 | −2 |
| Q1 2025 | 16 | 0 | 12.18M | $727.01M | +2 | −2 |
| Q4 2024 | 16 | +1 | 10.03M | $1.33B | +2 | −1 |
| Q3 2024 | 14 | +5 | 6.25M | $327.30M | +6 | −1 |
| Q2 2024 | 9 | — | 2.59M | $156.71M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 25.53M | +0.8% | $2.80B | 0.1% | ▲ Add | 4 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 25.53M | +0.8% | $2.80B | 0.1% | ▲ Add | 4 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 25.53M | +0.8% | $2.80B | 0.1% | ▲ Add | 4 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 25.53M | +0.8% | $2.80B | 0.1% | ▲ Add | 4 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 25.53M | +0.8% | $2.80B | 0.1% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 11.45M | -11.7% | $1.25B | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 27 | Vanguard Capital Management Llc | 6.34M | — | $694.94M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Alliancebernstein L.P. | 2.51M | +15.4% | $418.01M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 29 | State Street Global Advisors ✦ (passive) | 3.33M | +7.5% | $365.36M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 2.51M | +3.3% | $274.17M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 2.51M | +3.3% | $274.17M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 32 | Amundi | 1.88M | +77.9% | $206.14M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 33 | Amundi | 1.88M | +77.9% | $206.14M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 34 | Bnp Paribas Financial Markets | 1.81M | +127.5% | $198.79M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 35 | Bank Of America Corp /De/ | 1.79M | +20.1% | $195.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Bank Of America Corp /De/ | 1.79M | +20.1% | $195.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Bank Of America Corp /De/ | 1.79M | +20.1% | $195.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | Bank Of America Corp /De/ | 1.79M | +20.1% | $195.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | Bank Of America Corp /De/ | 1.79M | +20.1% | $195.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Bank Of America Corp /De/ | 1.79M | +20.1% | $195.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 1.73M | -10.4% | $189.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Barclays Plc | 1.55M | +35.1% | $170.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 56 | Barclays Plc | 1.55M | +35.1% | $170.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 57 | Barclays Plc | 1.55M | +35.1% | $170.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 58 | D. E. Shaw & Co. ✦ | 1.52M | -38.0% | $166.54M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 59 | Citigroup Inc | 1.51M | +63.0% | $165.83M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 60 | Citigroup Inc | 1.51M | +63.0% | $165.83M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 61 | Citigroup Inc | 1.51M | +63.0% | $165.83M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 62 | UBS Group AG | 1.44M | -7.2% | $158.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 63 | UBS Group AG | 1.44M | -7.2% | $158.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 64 | UBS Group AG | 1.44M | -7.2% | $158.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | UBS Group AG | 1.44M | -7.2% | $158.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | UBS Group AG | 1.44M | -7.2% | $158.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Goldman Sachs Group ✦ | 1.38M | +5.1% | $151.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Goldman Sachs Group ✦ | 1.38M | +5.1% | $151.26M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | 1832 Asset Management L.P. | 850.70K | -36.8% | $93.24M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 70 | Northern Trust Corp | 804.66K | +5.7% | $88.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Northern Trust Corp | 804.66K | +5.7% | $88.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Northern Trust Corp | 804.66K | +5.7% | $88.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Northern Trust Corp | 804.66K | +5.7% | $88.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Northern Trust Corp | 804.66K | +5.7% | $88.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Northern Trust Corp | 804.66K | +5.7% | $88.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 76 | Bridgewater Associates ✦ | 750.94K | +212.2% | $82.30M | 0.4% | ▲ Add | 4 | SEC ↗ |
| 77 | Two Sigma Investments ✦ | 744.31K | +17.5% | $81.58M | 0.1% | ▲ Add | 7 | SEC ↗ |
| 78 | Deutsche Bank Ag\ | 730.90K | -25.6% | $80.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Deutsche Bank Ag\ | 730.90K | -25.6% | $80.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Deutsche Bank Ag\ | 730.90K | -25.6% | $80.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Deutsche Bank Ag\ | 730.90K | -25.6% | $80.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Deutsche Bank Ag\ | 730.90K | -25.6% | $80.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Deutsche Bank Ag\ | 730.90K | -25.6% | $80.11M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Legal & General Group Plc | 720.26K | +35.1% | $78.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Legal & General Group Plc | 720.26K | +35.1% | $78.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Legal & General Group Plc | 720.26K | +35.1% | $78.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | Charles Schwab Investment… | 661.50K | +4.3% | $72.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 95 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 97 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | UBS AM, a distinct business unit of… | 649.19K | +12.7% | $71.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | T. Rowe Price ✦ | 618.50K | -46.9% | $67.79M | 0.0% | ▼ Trim | 8 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Norges Bank | $58.17M | was 0.0% |
| Capstone Investment Advisors… | $2.57M | was 0.0% |
| Soros Fund Management | $558,803 | was 0.0% |
| Jennison Associates Llc | $437,527 | was 0.0% |
| Cerity Partners LLC | $378,178 | was 0.0% |
| DZ BANK AG Deutsche Zentral… | $282,812 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 21.10K shares, $2,312 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 578 sh · $203,517
Officer, Director · 1.05K sh · $368,453
Officer, Director · 1.98K sh · $692,800
Officer, Director · 1.06K sh · $367,884
Officer, Director · 3.50K sh · $1.21M
Officer, Director · 2.52K sh · $873,972
Officer, Director · 17.37K sh · $5.99M
Officer, Director · 3.71K sh · $1.28M
Officer, Director · 5.45K sh · $1.87M
Officer, Director · 1.61K sh · $550,149
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology