AMPX
Amprius Technologies, Inc. · Industrials · Electrical Equipment & Parts
Momentum inputs (comparable managers):
holder breadth +13.3% ·
share flow +12.3% ·
net new positions +11.8%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 10.11K | $97,010 | n/a | n/a |
| Q2 2026 | 102 | +11 | 75.37M | $1.04B | +15 | −4 |
| Q1 2026 | 94 | +14 | 62.16M | $1.04B | +16 | −3 |
| Q4 2025 | 81 | -2 | 49.31M | $389.08M | +1 | −2 |
| Q3 2025 | 17 | +2 | 29.27M | $307.95M | +2 | n/a |
| Q2 2025 | 12 | +1 | 20.97M | $88.27M | +1 | n/a |
| Q1 2025 | 8 | +1 | 3.89M | $10.43M | +1 | n/a |
| Q4 2024 | 7 | +2 | 2.99M | $8.36M | +2 | n/a |
| Q3 2024 | 4 | -1 | 702.69K | $780,036 | +1 | −2 |
| Q2 2024 | 5 | n/a | 946.88K | $1.20M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.46M | +41.5% | $78.43M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 2 | The Vanguard Group ✦ (passive) | 6.51M | +37.0% | $68.51M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 3 | Morgan Stanley ✦ | 2.74M | n/a | $28.86M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 4 | Citadel Advisors ✦ | 2.51M | +796.4% | $26.37M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 5 | Geode Capital Management ✦ (passive) | 2.42M | +52.2% | $25.52M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 6 | State Street Global Advisors ✦ (passive) | 2.19M | +86.1% | $23.04M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Goldman Sachs Group ✦ | 1.78M | n/a | $18.77M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 8 | Two Sigma Investments ✦ | 1.75M | +24.2% | $18.45M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 9 | Millennium Management ✦ | 587.83K | -83.8% | $6.18M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | JPMorgan Chase ✦ | 575.43K | n/a | $6.05M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 11 | Arrowstreet Capital ✦ | 471.79K | New | $4.96M | 0.0% | New | 1 | SEC ↗ |
| 12 | AQR Capital Management ✦ | 131.51K | +64.4% | $1.38M | 0.0% | ▲ Add | 6 | SEC ↗ ×5 |
| 13 | T. Rowe Price ✦ | 49.12K | -84.8% | $517,000 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | Point72 Asset Management ✦ | 33.92K | New | $356,799 | 0.0% | New | 1 | SEC ↗ |
| 15 | Marshall Wace ✦ | 30.37K | -97.2% | $319,472 | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 16 | Renaissance Technologies ✦ | 12.40K | -99.1% | $130,448 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | Fidelity (FMR) ✦ | 8.22K | +3.3% | $86,490 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $4.96M | 0.0% |
| Point72 Asset Management | $356,799 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 245 holders, 83.42M shares, $1.34B 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 · 8.00K sh · $80,240
Director · 62.10K sh · $642,186
Officer, Director · 23.53K sh · $243,313
Officer · 29.68K sh · $306,931
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology