Security record · archived quarter
AMPX
Amprius Technologies, Inc. · Industrials · Electrical Equipment & Parts
81Tracked holders
-2Δ holders
49.31MShares held
$389.08MReported value
+1New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -2.4% ·
share flow +1.7% ·
net new positions -1.2%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| 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 |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 8.82M | +18.4% | $69.62M | 0.0% | ▲ Add | 3 | SEC ↗ ×12 |
| 2 | The Vanguard Group ✦ (passive) | 7.13M | +9.5% | $56.25M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 3 | Morgan Stanley ✦ | 2.81M | +2.4% | $22.17M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 4 | Geode Capital Management ✦ (passive) | 2.68M | +10.5% | $21.14M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 5 | State Street Global Advisors ✦ (passive) | 2.55M | +16.6% | $20.15M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | Goldman Sachs Group ✦ | 2.19M | +23.0% | $17.32M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 7 | UBS Group AG | 2.10M | n/a | $16.56M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 8 | Deutsche Bank Ag\ | 1.96M | n/a | $15.43M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 9 | Susquehanna International Group, Llp | 1.69M | n/a | $13.35M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 10 | Two Sigma Investments ✦ | 1.44M | -18.1% | $11.34M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 11 | Invesco Ltd. | 1.31M | n/a | $10.35M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 12 | Norges Bank ✦ (passive) | 1.30M | New | $10.30M | 0.0% | New | 1 | SEC ↗ |
| 13 | Millennium Management ✦ | 1.09M | +84.6% | $8.56M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | Charles Schwab Investment… | 1.04M | n/a | $8.18M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Northern Trust Corp | 963.17K | n/a | $7.60M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 16 | Qube Research & Technologies Ltd | 874.08K | n/a | $6.90M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Baird Financial Group, Inc. | 773.43K | n/a | $6.10M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Stifel Financial Corp | 771.51K | n/a | $6.09M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 19 | Bnp Paribas Financial Markets | 707.08K | n/a | $5.58M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Point72 Asset Management ✦ | 493.86K | +1356.1% | $3.90M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 490.89K | n/a | $3.87M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Barclays Plc | 469.91K | n/a | $3.71M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Citadel Advisors ✦ | 454.85K | -81.9% | $3.59M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 24 | Sei Investments Co | 431.79K | n/a | $3.41M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 25 | Bank of New York Mellon Corp | 309.71K | n/a | $2.44M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 26 | Bank Of America Corp /De/ | 299.93K | n/a | $2.37M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 27 | Federated Hermes, Inc. | 286.66K | n/a | $2.26M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 28 | Russell Investments Group, Ltd. | 235.02K | n/a | $1.85M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 29 | Nuveen, LLC | 233.16K | n/a | $1.84M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 30 | Raymond James Financial Inc | 224.43K | n/a | $1.77M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 31 | Swiss National Bank | 222.00K | n/a | $1.75M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Squarepoint Ops LLC | 218.05K | n/a | $1.72M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Jane Street Group, Llc | 213.43K | n/a | $1.68M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 34 | UBS AM, a distinct business unit of… | 188.84K | n/a | $1.49M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 35 | Wells Fargo & Company/Mn | 142.35K | n/a | $1.12M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 36 | Amundi | 140.31K | n/a | $1.11M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 136.10K | +3.5% | $1.07M | 0.0% | ▲ Add | 7 | SEC ↗ ×6 |
| 38 | Rhumbline Advisers | 125.15K | n/a | $987,458 | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Alliancebernstein L.P. | 123.86K | n/a | $977,255 | 0.0% | n/c | 1 | SEC ↗ |
| 40 | LPL Financial LLC | 114.71K | n/a | $905,030 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Renaissance Technologies ✦ | 112.83K | +809.9% | $890,189 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 42 | California State Teachers… | 107.93K | n/a | $851,568 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Legal & General Group Plc | 102.16K | n/a | $806,051 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 44 | Royal Bank Of Canada | 91.92K | n/a | $726,000 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 45 | JPMorgan Chase ✦ | 83.45K | -85.5% | $658,413 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 46 | T. Rowe Price ✦ | 80.58K | +64.1% | $636,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Franklin Resources Inc | 78.84K | n/a | $622,024 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 48 | Ameriprise Financial Inc | 78.01K | n/a | $615,491 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 49 | Citigroup Inc | 74.76K | n/a | $589,888 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 50 | Allspring Global Investments… | 53.91K | n/a | $471,200 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 51 | Mirae Asset Global Investments Co.… | 56.09K | n/a | $442,566 | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Canada Pension Plan Investment Board | 55.10K | n/a | $434,739 | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Zurcher Kantonalbank (Zurich… | 42.49K | n/a | $335,222 | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Prudential Financial Inc | 41.24K | n/a | $325,384 | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Blair William & Co/Il | 40.15K | n/a | $316,799 | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Janus Henderson Group Plc | 39.05K | n/a | $307,933 | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Us Bancorp \De\ | 37.93K | n/a | $299,244 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 58 | Manufacturers Life Insurance… | 33.28K | n/a | $262,579 | 0.0% | n/c | 1 | SEC ↗ |
| 59 | First Trust Advisors Lp | 32.74K | n/a | $258,350 | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Cetera Investment Advisers | 30.72K | n/a | $242,397 | 0.0% | n/c | 1 | SEC ↗ |
| 61 | New York State Common Retirement… | 29.64K | n/a | $233,836 | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Creative Planning | 24.76K | n/a | $195,364 | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Focus Partners Wealth | 22.04K | n/a | $173,911 | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Commonwealth Equity Services, Llc | 21.58K | n/a | $170,240 | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Tidal Investments LLC | 21.10K | n/a | $166,471 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | ProShare Advisors LLC | 20.16K | n/a | $159,055 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Voya Investment Management Llc | 19.37K | n/a | $152,829 | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Pictet Asset Management Holding SA | 16.10K | n/a | $127,021 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Envestnet Asset Management Inc | 16.01K | n/a | $126,311 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Wealthfront Advisers LLC | 14.35K | n/a | $113,237 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | HighTower Advisors, LLC | 14.03K | n/a | $110,704 | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Victory Capital Management Inc | 12.82K | n/a | $101,126 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Universal- Beteiligungs- und… | 11.27K | n/a | $88,912 | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Jones Financial Companies Lllp | 9.52K | n/a | $75,097 | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Fidelity (FMR) ✦ | 8.98K | +9.3% | $70,895 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 76 | Osaic Holdings, Inc. | 8.67K | n/a | $68,402 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 77 | Cwm, Llc | 4.50K | n/a | $35,000 | 0.0% | n/c | 1 | SEC ↗ |
| 78 | BNP Paribas Asset Management… | 1.62K | n/a | $13,000 | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Pnc Financial Services Group, Inc. | 1.49K | n/a | $11,733 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 80 | Rockefeller Capital Management L.P. | 376 | n/a | $2,967 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 81 | Optiver Holding B.V. | 352 | n/a | $2,777 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $10.30M | 0.0% |
Exited
| Arrowstreet Capital | $4.96M | was 0.0% |
| Marshall Wace | $319,472 | was 0.0% |
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.
Frequently co-owned
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)
Aug 24
Stepien Thomas M
Officer, Director · 8.00K sh · $80,240
Aug 21
Sun Kang
Director · 62.10K sh · $642,186
Aug 21
Stepien Thomas M
Officer, Director · 23.53K sh · $243,313
Aug 21
Stefan Constantin Ionel
Officer · 29.68K sh · $306,931
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 10
SC 13G/A: JANE STREET GROUP, LLC
Jul 27
SC 13G/A: BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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