Amprius Ownership | Who Owns Amprius?
Amprius Ownership Summary
Amprius is owned by 36.83% institutional investors, 8.55% insiders, and 54.61% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 6.97% of AMPX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.51% of its assets in Amprius shares.
AMPX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Amprius | 36.83% | 8.55% | 54.61% |
| Sector | Industrials Stocks | 47.66% | 12.52% | 39.82% |
| Industry | Electrical Equipment Stocks | 30.79% | 16.75% | 52.46% |
| Idea | Electric Vehicle Stocks List | 24.97% | 18.23% | 56.80% |
| Idea | EV Battery Stocks List | 27.58% | 15.88% | 56.54% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 8.82M | 6.97% | $69.62M |
| Vanguard group | 7.13M | 5.63% | $56.25M |
| Driehaus capital management | 3.09M | 2.54% | $32.51M |
| Morgan stanley | 2.81M | 2.22% | $22.17M |
| Geode capital management | 2.68M | 2.12% | $21.14M |
| Invesco | 2.38M | 1.95% | $25.03M |
| State street | 2.19M | 1.80% | $23.04M |
| Goldman sachs group | 2.19M | 1.73% | $17.32M |
| Ubs group | 2.10M | 1.66% | $16.56M |
| Deutsche bank ag\ | 1.96M | 1.54% | $15.43M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Essex investment management | 697.39K | 1.12% | $7.34M |
| Cornerstone partners capital management | 30.71K | 0.67% | $242.27K |
| Slt | 123.30K | 0.63% | $972.84K |
| Thames capital management | 526.83K | 0.60% | $4.16M |
| Hussman strategic advisors | 210.00K | 0.40% | $1.66M |
| Alphacentric advisors | 50.00K | 0.39% | $394.50K |
| Lisanti capital growth | 198.89K | 0.37% | $1.57M |
| Lexington partners | 76.76K | 0.26% | $214.94K |
| Driehaus capital management | 3.09M | 0.23% | $32.51M |
| Bayforest capital | 36.88K | 0.22% | $291.00K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Driehaus capital management | 3.09M | 0.23% | 3.09M |
| Voloridge investment management | 1.88M | 0.07% | 1.88M |
| Blackrock funding, inc. /de | 8.82M | 0.00% | 1.37M |
| Norges bank | 1.30M | 0.00% | 1.30M |
| Invesco | 2.38M | 0.00% | 1.26M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Bnp paribas arbitrage, snc | 707.08K | 0.00% | -1.24M |
| Board of trustees of the leland stanford junior university | - | - | -1.15M |
| Zazove associates | - | - | -969.93K |
| Arrowstreet capital, limited partnership | - | - | -471.79K |
| Jane street group | 213.43K | 0.00% | -463.24K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Driehaus capital management | 3.09M | 0.23% | 3.09M | $32.51M |
| Voloridge investment management | 1.88M | 0.07% | 1.88M | $19.74M |
| Norges bank | 1.30M | 0.00% | 1.30M | $10.30M |
| William blair investment management | 984.91K | 0.02% | 984.91K | $7.77M |
| Tudor investment corp et al | 715.74K | 0.01% | 715.74K | $7.53M |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -2.00 |
| Twin peaks wealth advisors | -7.00 |
| Kestra investment management | -10.00 |
| Swan capital | -29.00 |
| Wealthtrak capital management | -130.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 133 | -31.79% | 46,641,212 | -26.69% | 36 | 1.35% | 82 | -46.05% | 30 | 15.38% |
| Sep 30, 2025 | 190 | 48.44% | 63,537,131 | 66.89% | 52 | 5.34% | 148 | 78.31% | 25 | 13.64% |
| Jun 30, 2025 | 125 | 16.82% | 37,991,404 | 82.87% | 31 | 10.06% | 82 | 26.15% | 22 | 37.50% |
| Mar 31, 2025 | 106 | 6.00% | 20,840,400 | 25.25% | 17 | 7.78% | 64 | -3.03% | 16 | 60.00% |
| Dec 31, 2024 | 97 | 29.33% | 16,490,472 | 99.57% | 14 | 26.67% | 63 | 65.79% | 10 | -33.33% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.28M | 2.51% | - |
| iShares Russell 2000 ETF | 2.65M | 2.03% | 2.65M |
| Stephens Small Cap Growth | 1.44M | 1.10% | 358.40K |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.41M | 1.08% | -2.14K |
| Xtrackers MSCI USA Swap ETF 1C | 994.45K | 0.76% | -4.67K |
| Invesco WilderHill Clean Energy ETF | 986.77K | 0.76% | 12.50K |
| MFS New Discovery I | 971.21K | 0.74% | 971.21K |
| Fidelity Small Cap Index | 941.75K | 0.72% | 2.24K |
| Heptagon Driehaus US Micro Cap Eq C$ Acc | 940.36K | 0.72% | -313.69K |
| iShares Russell 2000 Growth ETF | 916.93K | 0.70% | 870.75K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 10, 2026 | Chu Steven | - | Sell | $2.99M |
| Mar 12, 2026 | Chu Steven | - | Sell | $910.74K |
| Mar 12, 2026 | Chu Steven | - | Sell | $1.86M |
| Mar 12, 2026 | Chu Steven | - | Sell | $103.15K |
| Feb 23, 2026 | Sun Kang | - | Sell | $622.03K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 13 |
| 2025 Q4 | - | 4 |
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | 3 |
| 2025 Q1 | - | 4 |
AMPX Ownership FAQ
Try Tickergate Pro Free
Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)
Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis
Discover trending investment themes
Find your next best investment
Research stocks using tools