AMPX — AMPRIUS TECHNOLOGIES INC
As of Q2 2026, 35 SEC-registered investment managers reported holding AMPX (AMPRIUS TECHNOLOGIES INC) in their latest 13F filings, with a combined reported value of $744.40M across 55.34M shares. That is +28.5% by share count (+12.27M shares) versus the previous quarter, while reported value moved +7.2%. Ownership is concentrated: the five largest holders account for 58.6% of reported value and the top ten for 83.5%.
Compared with the prior quarter, 3 opened new positions, 26 added to existing stakes, 6 trimmed, 3 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
AMPX is classified in the Miscellaneous sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 35 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 11.34M | $157.10M | 0.00% | Add |
| UBS Group AG history | 5.37M | $74.48M | 0.01% | Add |
| Citadel Advisors history | 5.27M | $73.04M | 0.01% | Add |
| Morgan Stanley history | 5.11M | $70.76M | 0.00% | Add |
| Point72 Asset Management history | 4.38M | $60.70M | 0.07% | Add |
| Two Sigma Investments history | 4.32M | $59.86M | 0.05% | Add |
| Geode Capital Management history | 3.52M | $48.81M | 0.00% | Add |
| Goldman Sachs Group history | 2.54M | $35.24M | 0.00% | Add |
| D. E. Shaw & Co history | 1.54M | $21.30M | 0.01% | Add |
| Millennium Management history | 1.45M | $20.07M | 0.01% | Add |
| Renaissance Technologies history | 1.41M | $19.53M | 0.03% | Add |
| Northern Trust Corp history | 1.23M | $17.04M | 0.00% | Add |
| Deutsche Bank AG history | 1.20M | $16.58M | 0.01% | Add |
| Charles Schwab Investment Management history | 1.18M | $16.31M | 0.00% | Add |
| Invesco Ltd history | 571.61K | $7.92M | 0.00% | Add |
| MFS Investment Management history | 506.27K | $7.02M | 0.00% | Reduce |
| Polen Capital Management history | 465.60K | $6.45M | 0.06% | Add |
| BNY Mellon history | 417.42K | $5.79M | 0.00% | Add |
| Wellington Management Group history | 342.80K | $4.75M | 0.00% | New |
| Bank of America Corp history | 327.85K | $4.54M | 0.00% | Add |
| Wells Fargo & Co history | 197.77K | $2.74M | 0.00% | Add |
| Amundi US history | 196.77K | $2.73M | 0.00% | Add |
| AQR Capital Management history | 173.16K | $2.40M | 0.00% | Add |
| Marshall Wace history | 131.20K | $1.82M | 0.00% | Reduce |
| CPP Investments history | 119.60K | $1.66M | 0.00% | New |
| Legal & General Investment Management America history | 107.92K | $1.50M | 0.00% | Add |
| Citigroup Inc history | 101.10K | $1.40M | 0.00% | Add |
| Franklin Resources history | 84.91K | $1.18M | 0.00% | Reduce |
| Manulife Financial history | 69.73K | $966.42K | 0.00% | Add |
| Prudential Financial history | 22.32K | $309.36K | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 15.40K | $213.49K | 0.00% | Add |
| Principal Global Investors history | 10.51K | $145.68K | 0.00% | Reduce |
| T. Rowe Price Associates history | 1.64M | $22.68K | 0.00% | Reduce |
| PNC Financial Services history | 1.54K | $21.34K | 0.00% | Reduce |
| JPMorgan Chase & Co history | 1.00K | $13.52K | 0.00% | New |
Q1 2026 — 35 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 9.23M | $155.54M | 0.00% | Add |
| Citadel Advisors history | 4.22M | $71.09M | 0.01% | Add |
| Two Sigma Investments history | 3.51M | $59.11M | 0.05% | Add |
| Morgan Stanley history | 3.16M | $53.31M | 0.00% | Add |
| UBS Group AG history | 2.91M | $49.09M | 0.01% | Add |
| Geode Capital Management history | 2.81M | $47.46M | 0.00% | Add |
| Goldman Sachs Group history | 2.23M | $37.53M | 0.00% | Add |
| MFS Investment Management history | 2.02M | $34.14M | 0.01% | New |
| Point72 Asset Management history | 1.47M | $24.85M | 0.03% | Add |
| Marshall Wace history | 1.23M | $20.70M | 0.02% | New |
| Millennium Management history | 1.16M | $19.56M | 0.01% | Add |
| D. E. Shaw & Co history | 1.13M | $18.97M | 0.01% | New |
| Charles Schwab Investment Management history | 1.04M | $17.52M | 0.00% | Hold |
| Northern Trust Corp history | 1.02M | $17.24M | 0.00% | Add |
| Deutsche Bank AG history | 875.03K | $14.75M | 0.01% | Reduce |
| Invesco Ltd history | 498.80K | $8.41M | 0.00% | Reduce |
| Polen Capital Management history | 422.14K | $7.12M | 0.05% | Add |
| Renaissance Technologies history | 359.52K | $6.06M | 0.01% | Add |
| PSP Investments history | 332.00K | $5.60M | 0.02% | New |
| BNY Mellon history | 298.87K | $5.04M | 0.00% | Reduce |
| Bank of America Corp history | 265.42K | $4.47M | 0.00% | Reduce |
| Arrowstreet Capital history | 227.13K | $3.83M | 0.00% | New |
| Amundi US history | 164.59K | $2.77M | 0.00% | Add |
| AQR Capital Management history | 137.73K | $2.32M | 0.00% | Add |
| Franklin Resources history | 94.00K | $1.58M | 0.00% | Add |
| Wells Fargo & Co history | 91.91K | $1.55M | 0.00% | Reduce |
| Legal & General Investment Management America history | 86.86K | $1.46M | 0.00% | Reduce |
| Manulife Financial history | 58.79K | $991.20K | 0.00% | Add |
| Janus Henderson Group history | 52.80K | $889.47K | 0.00% | Add |
| Principal Global Investors history | 25.38K | $427.94K | 0.00% | New |
| Prudential Financial history | 17.89K | $301.62K | 0.00% | Reduce |
| Citigroup Inc history | 13.26K | $223.48K | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 12.35K | $208.21K | 0.00% | Add |
| PNC Financial Services history | 1.97K | $33.23K | 0.00% | Add |
| T. Rowe Price Associates history | 1.90M | $31.99K | 0.00% | Add |
Q4 2025 — 33 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 8.82M | $69.62M | 0.00% | Add |
| Vanguard Group history | 7.13M | $56.25M | 0.00% | Add |
| Morgan Stanley history | 2.81M | $22.17M | 0.00% | Add |
| Geode Capital Management history | 2.68M | $21.14M | 0.00% | Add |
| Goldman Sachs Group history | 2.19M | $17.32M | 0.00% | Add |
| UBS Group AG history | 2.10M | $16.56M | 0.00% | Add |
| Deutsche Bank AG history | 1.96M | $15.43M | 0.01% | Reduce |
| Citadel Advisors history | 1.71M | $13.46M | 0.00% | Reduce |
| Two Sigma Investments history | 1.44M | $11.34M | 0.02% | Reduce |
| Invesco Ltd history | 1.31M | $10.35M | 0.00% | Reduce |
| Norges Bank Investment Management history | 1.30M | $10.30M | 0.00% | New |
| Point72 Asset Management history | 1.18M | $9.33M | 0.01% | Add |
| Millennium Management history | 1.09M | $8.56M | 0.00% | Add |
| Charles Schwab Investment Management history | 1.04M | $8.18M | 0.00% | Add |
| Northern Trust Corp history | 963.17K | $7.60M | 0.00% | Add |
| BNY Mellon history | 309.71K | $2.44M | 0.00% | Add |
| Bank of America Corp history | 299.93K | $2.37M | 0.00% | Add |
| Polen Capital Management history | 288.29K | $2.27M | 0.01% | Reduce |
| Wells Fargo & Co history | 142.35K | $1.12M | 0.00% | Add |
| Amundi US history | 140.31K | $1.11M | 0.00% | New |
| AQR Capital Management history | 136.10K | $1.07M | 0.00% | Add |
| Renaissance Technologies history | 112.83K | $890.19K | 0.00% | Add |
| Legal & General Investment Management America history | 102.16K | $806.05K | 0.00% | Add |
| Franklin Resources history | 78.84K | $622.02K | 0.00% | New |
| Citigroup Inc history | 74.76K | $589.89K | 0.00% | Reduce |
| CPP Investments history | 55.10K | $434.74K | 0.00% | New |
| Prudential Financial history | 41.24K | $325.38K | 0.00% | Reduce |
| Janus Henderson Group history | 39.05K | $307.93K | 0.00% | Hold |
| Manulife Financial history | 33.28K | $262.58K | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 8.98K | $70.89K | 0.00% | Add |
| PNC Financial Services history | 1.49K | $11.73K | 0.00% | Add |
| JPMorgan Chase & Co history | 200 | $1.58K | 0.00% | Hold |
| T. Rowe Price Associates history | 80.58K | $636 | 0.00% | Add |
Q3 2025 — 31 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 7.46M | $78.43M | 0.00% | Add |
| Vanguard Group history | 6.51M | $68.51M | 0.00% | Add |
| Citadel Advisors history | 3.46M | $36.42M | 0.01% | Add |
| Morgan Stanley history | 2.74M | $28.86M | 0.00% | Add |
| Geode Capital Management history | 2.42M | $25.52M | 0.00% | Add |
| Invesco Ltd history | 2.38M | $25.03M | 0.00% | Add |
| Deutsche Bank AG history | 2.07M | $21.74M | 0.01% | Add |
| Goldman Sachs Group history | 1.78M | $18.77M | 0.00% | Add |
| Two Sigma Investments history | 1.75M | $18.45M | 0.03% | Add |
| UBS Group AG history | 1.55M | $16.29M | 0.00% | Add |
| Charles Schwab Investment Management history | 974.49K | $10.25M | 0.00% | Add |
| Northern Trust Corp history | 852.28K | $8.97M | 0.00% | Add |
| Millennium Management history | 587.83K | $6.18M | 0.00% | Reduce |
| Arrowstreet Capital history | 471.79K | $4.96M | 0.00% | New |
| Polen Capital Management history | 339.43K | $3.57M | 0.01% | New |
| BNY Mellon history | 291.90K | $3.07M | 0.00% | Add |
| Bank of America Corp history | 290.44K | $3.06M | 0.00% | Add |
| AQR Capital Management history | 131.51K | $1.38M | 0.00% | Add |
| Prudential Financial history | 131.22K | $1.38M | 0.00% | Add |
| Citigroup Inc history | 96.73K | $1.02M | 0.00% | Add |
| Legal & General Investment Management America history | 87.38K | $919.21K | 0.00% | Add |
| Wells Fargo & Co history | 58.76K | $618.16K | 0.00% | Add |
| Janus Henderson Group history | 39.05K | $411.03K | 0.00% | New |
| Point72 Asset Management history | 33.92K | $356.80K | 0.00% | New |
| Manulife Financial history | 31.66K | $333.05K | 0.00% | Reduce |
| Marshall Wace history | 30.37K | $319.47K | 0.00% | Reduce |
| Renaissance Technologies history | 12.40K | $130.45K | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 8.22K | $86.49K | 0.00% | Add |
| PNC Financial Services history | 1.43K | $15.02K | 0.00% | Add |
| JPMorgan Chase & Co history | 200 | $2.10K | 0.00% | Reduce |
| T. Rowe Price Associates history | 49.12K | $517 | 0.00% | Reduce |
Q2 2025 — 27 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 5.27M | $22.19M | 0.00% | Add |
| Vanguard Group history | 4.76M | $20.02M | 0.00% | Reduce |
| Millennium Management history | 3.62M | $15.22M | 0.01% | Add |
| Morgan Stanley history | 1.93M | $8.14M | 0.00% | Add |
| Geode Capital Management history | 1.59M | $6.71M | 0.00% | Add |
| Two Sigma Investments history | 1.41M | $5.94M | 0.01% | Add |
| Renaissance Technologies history | 1.35M | $5.67M | 0.01% | Add |
| Invesco Ltd history | 1.12M | $4.70M | 0.00% | Reduce |
| Marshall Wace history | 1.11M | $4.65M | 0.01% | Add |
| JPMorgan Chase & Co history | 1.02M | $4.28M | 0.00% | Add |
| UBS Group AG history | 731.53K | $3.08M | 0.00% | Reduce |
| Northern Trust Corp history | 662.57K | $2.79M | 0.00% | Add |
| Goldman Sachs Group history | 540.27K | $2.27M | 0.00% | Add |
| Charles Schwab Investment Management history | 496.90K | $2.09M | 0.00% | Add |
| Citadel Advisors history | 328.26K | $1.38M | 0.00% | Add |
| BNY Mellon history | 193.75K | $815.68K | 0.00% | Add |
| Bank of America Corp history | 126.78K | $533.74K | 0.00% | Add |
| AQR Capital Management history | 80.00K | $336.81K | 0.00% | Add |
| Deutsche Bank AG history | 61.44K | $258.65K | 0.00% | Add |
| Wells Fargo & Co history | 50.67K | $213.32K | 0.00% | Add |
| Citigroup Inc history | 34.36K | $144.64K | 0.00% | Add |
| Manulife Financial history | 34.30K | $144.41K | 0.00% | New |
| Prudential Financial history | 10.78K | $45.36K | 0.00% | New |
| Legal & General Investment Management America history | 10.38K | $43.71K | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 7.96K | $33.49K | 0.00% | Reduce |
| PNC Financial Services history | 1.41K | $5.95K | 0.00% | Reduce |
| T. Rowe Price Associates history | 323.01K | $1.36K | 0.00% | New |
Q1 2025 — 24 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| Vanguard Group history | 4.86M | $13.03M | 0.00% | Add |
| Millennium Management history | 1.40M | $3.74M | 0.00% | Add |
| Invesco Ltd history | 1.17M | $3.13M | 0.00% | Reduce |
| UBS Group AG history | 1.11M | $2.98M | 0.00% | Add |
| BlackRock Inc history | 1.07M | $2.88M | 0.00% | Add |
| Marshall Wace history | 951.94K | $2.55M | 0.00% | Add |
| Geode Capital Management history | 594.96K | $1.60M | 0.00% | Add |
| Two Sigma Investments history | 411.48K | $1.10M | 0.00% | Reduce |
| Charles Schwab Investment Management history | 257.94K | $691.29K | 0.00% | Add |
| Goldman Sachs Group history | 244.65K | $655.65K | 0.00% | Add |
| Northern Trust Corp history | 214.43K | $574.66K | 0.00% | Add |
| Morgan Stanley history | 183.64K | $492.15K | 0.00% | Add |
| Citadel Advisors history | 113.01K | $302.86K | 0.00% | Add |
| Bank of America Corp history | 84.15K | $225.53K | 0.00% | Add |
| AQR Capital Management history | 77.76K | $208.41K | 0.00% | Add |
| BNY Mellon history | 31.55K | $84.56K | 0.00% | Add |
| Deutsche Bank AG history | 30.93K | $82.89K | 0.00% | Hold |
| Renaissance Technologies history | 14.40K | $38.59K | 0.00% | Reduce |
| Citigroup Inc history | 12.16K | $32.58K | 0.00% | Reduce |
| Wells Fargo & Co history | 11.34K | $30.40K | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 8.87K | $23.78K | 0.00% | Add |
| JPMorgan Chase & Co history | 8.36K | $22.41K | 0.00% | Add |
| PNC Financial Services history | 4.23K | $11.33K | 0.00% | Reduce |
| Legal & General Investment Management America history | 699 | $1.88K | 0.00% | Hold |
New Positions (Q2 2026)
- Wellington Management Group 342.80K sh · $4.75M
- CPP Investments 119.60K sh · $1.66M
- JPMorgan Chase & Co 1.00K sh · $13.52K
Fully Exited (vs previous quarter)
- PSP Investments sold 332.00K sh · $5.60M
- Arrowstreet Capital sold 227.13K sh · $3.83M
- Janus Henderson Group sold 52.80K sh · $889.47K
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | 11.34M | 9.23M | 8.82M | 7.46M | 5.27M | 1.07M | 571.58K | 692.53K | — | — | — | — | — | — | — | — |
| UBS Group AG | 5.37M | 2.91M | 2.10M | 1.55M | 731.53K | 1.11M | 177.07K | 68.57K | 12.46K | 5.44K | 5.90K | 2.65K | 3.08K | — | — | 6.29K |
| Citadel Advisors | 5.27M | 4.22M | 1.71M | 3.46M | 328.26K | 113.01K | 67.30K | 20.20K | 117.66K | 219.91K | 78.10K | 83.30K | — | 166.90K | 159.00K | 12.77K |
| Morgan Stanley | 5.11M | 3.16M | 2.81M | 2.74M | 1.93M | 183.64K | 141.04K | 124.13K | 87.32K | 93.17K | 89.78K | 47.83K | 18.68K | 6.67K | 19.56K | — |
| Point72 Asset Management | 4.38M | 1.47M | 1.18M | 33.92K | — | — | — | — | — | — | — | — | — | — | — | — |
| Two Sigma Investments | 4.32M | 3.51M | 1.44M | 1.75M | 1.41M | 411.48K | 443.31K | 104.79K | 220.25K | — | — | — | — | — | — | — |
| Geode Capital Management | 3.52M | 2.81M | 2.68M | 2.42M | 1.59M | 594.96K | 580.82K | 548.14K | 363.27K | 233.27K | 229.44K | 200.67K | 163.14K | 111.61K | 89.58K | — |
| Goldman Sachs Group | 2.54M | 2.23M | 2.19M | 1.78M | 540.27K | 244.65K | 107.01K | 60.18K | 42.68K | — | — | — | — | — | — | — |
| D. E. Shaw & Co | 1.54M | 1.13M | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Millennium Management | 1.45M | 1.16M | 1.09M | 587.83K | 3.62M | 1.40M | 717.57K | — | 179.59K | 57.04K | 13.62K | 103.49K | — | — | 27.64K | 17.51K |
| Renaissance Technologies | 1.41M | 359.52K | 112.83K | 12.40K | 1.35M | 14.40K | 765.10K | 13.10K | — | — | — | — | — | — | — | — |
| Northern Trust Corp | 1.23M | 1.02M | 963.17K | 852.28K | 662.57K | 214.43K | 208.42K | 156.05K | 101.47K | 92.59K | 92.44K | 73.04K | 57.37K | 23.47K | 22.43K | — |
| Deutsche Bank AG | 1.20M | 875.03K | 1.96M | 2.07M | 61.44K | 30.93K | 30.93K | 30.93K | 30.93K | — | — | — | — | — | — | — |
| Charles Schwab Investment Management | 1.18M | 1.04M | 1.04M | 974.49K | 496.90K | 257.94K | 198.44K | 274.05K | 121.94K | 99.55K | 96.96K | 95.42K | 78.50K | 65.88K | 66.77K | — |
| Invesco Ltd | 571.61K | 498.80K | 1.31M | 2.38M | 1.12M | 1.17M | 2.48M | 1.59M | 1.19M | 1.82M | 1.67M | 1.69M | — | — | — | — |
| MFS Investment Management | 506.27K | 2.02M | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Polen Capital Management | 465.60K | 422.14K | 288.29K | 339.43K | — | — | — | — | — | — | — | — | — | — | — | — |
| BNY Mellon | 417.42K | 298.87K | 309.71K | 291.90K | 193.75K | 31.55K | 10.89K | 10.89K | 13.53K | 13.53K | 15.42K | 15.42K | 15.42K | — | — | — |
| Wellington Management Group | 342.80K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Bank of America Corp | 327.85K | 265.42K | 299.93K | 290.44K | 126.78K | 84.15K | 12.89K | 9.84K | 18.40K | 2.61K | 9.22K | 468.48K | 740 | 2.09K | 43.22K | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details