Amprius Ownership | Who Owns Amprius?
Amprius Ownership Summary
Amprius is owned by 31.20% institutional investors, 8.89% insiders, and 59.91% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 4.33% of AMPX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.09% of its assets in Amprius shares.
AMPX Ownership Benchmark
Type | Name | % Inst | % Insiders | % Retail |
---|---|---|---|---|
Stock | Amprius | 31.20% | 8.89% | 59.91% |
Sector | Industrials Stocks | 59.83% | 12.72% | 27.46% |
Industry | Electrical Equipment Stocks | 39.21% | 19.60% | 41.19% |
Idea | Electric Vehicle Stocks List | 24.51% | 18.10% | 57.39% |
Idea | EV Battery Stocks List | 20.05% | 15.81% | 64.14% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
Holder | Shares | % Holding | Value |
---|---|---|---|
Blackrock funding, inc. /de | 5.27M | 4.33% | $22.19M |
Vanguard group | 4.18M | 3.78% | $11.70M |
Invesco | 2.48M | 2.25% | $6.96M |
Board of trustees of the leland stanford junior university | 1.46M | 1.32% | $4.08M |
Marshall wace, llp | 1.11M | 0.91% | $4.65M |
Baird financial group | 1.00M | 0.82% | $4.21M |
Stifel financial | 895.76K | 0.81% | $2.51M |
Blackrock | 629.73K | 0.70% | $799.75K |
Renaissance | 765.10K | 0.69% | $2.14M |
Millennium management | 717.57K | 0.65% | $2.01M |
Top Institutional Shareholders by % of Total Assets
Holder | Shares | % Assets | Value |
---|---|---|---|
Cornerstone partners capital management | 30.71K | 0.39% | $129.27K |
Board of trustees of the leland stanford junior university | 1.46M | 0.35% | $4.08M |
Lexington partners | 76.76K | 0.26% | $214.94K |
Legato capital management | 276.87K | 0.14% | $1.17M |
Apis capital advisors | 60.00K | 0.09% | $252.60K |
Hite hedge asset management | 161.44K | 0.04% | $679.68K |
Ewa | 19.01K | 0.03% | $80.05K |
Polar asset management partners | 274.79K | 0.02% | $1.16M |
Dynamic technology lab private | 30.23K | 0.02% | $127.00K |
Bridgeway capital management | 195.00K | 0.01% | $546.00K |
Top Buyers
Holder | Shares | % Assets | Change |
---|---|---|---|
Blackrock funding, inc. /de | 5.27M | 0.00% | 4.20M |
Vanguard group | 4.18M | 0.00% | 3.20M |
Board of trustees of the leland stanford junior university | 1.46M | 0.35% | 1.46M |
Invesco | 2.48M | 0.00% | 897.22K |
Renaissance | 765.10K | 0.00% | 752.00K |
Top Sellers
Holder | Shares | % Assets | Change |
---|---|---|---|
Zazove associates | - | - | -969.93K |
Blackstone | - | - | -257.92K |
Lmr partners llp | - | - | -165.41K |
Warberg asset management | - | - | -133.64K |
Fny investment advisers | - | - | -111.25K |
New Positions
Holder | Shares | % Assets | Change | Value |
---|---|---|---|---|
Board of trustees of the leland stanford junior university | 1.46M | 0.35% | 1.46M | $4.08M |
Polar asset management partners | 274.79K | 0.02% | 274.79K | $1.16M |
Cowen and company | 250.00K | 0.01% | 250.00K | $317.50K |
Group one trading | 148.42K | 0.00% | 148.42K | $415.57M |
Graham capital management | 141.54K | 0.01% | 141.54K | $595.90K |
Sold Out
Holder | Change |
---|---|
Nelson, van denburg & campbell wealth management group | -2.00 |
Kestra investment management | -10.00 |
Srs capital advisors | -60.00 |
Ifp advisors | -66.00 |
Allworth financial lp | -81.00 |
Institutional Ownership Trends
Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
---|---|---|---|---|---|---|---|---|---|---|
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% |
Sep 30, 2024 | 74 | 1.37% | 8,233,883 | 7.69% | 7 | 10.34% | 37 | -19.57% | 15 | 114.29% |
Jun 30, 2024 | 73 | 37.74% | 7,645,780 | 55.04% | 8 | 25.95% | 46 | 109.09% | 7 | -56.25% |
Top Mutual Funds Shareholders
Holder | Shares | % Holding | Change |
---|---|---|---|
Vanguard Total Stock Mkt Idx Inv | 2.61M | 2.09% | -58.09K |
iShares Russell 2000 ETF | 2.19M | 1.75% | -41.69K |
Invesco WilderHill Clean Energy ETF | 1.10M | 0.91% | - |
iShares Russell 2000 Growth ETF | 826.11K | 0.66% | - |
Vanguard US Total Market Shares ETF | 593.90K | 0.50% | - |
Vanguard US Momentum Factor ETF | 539.86K | 0.45% | 80.60K |
Vanguard Institutional Extnd Mkt Idx Tr | 507.26K | 0.41% | -239.51K |
State St Russell Sm/Mid Cp® Indx SL Cl I | 459.24K | 0.37% | 399.79K |
Vanguard Russell 2000 ETF | 443.96K | 0.35% | -30.64K |
State St Russell Sm Cap® Indx SL Cl I | 328.90K | 0.26% | - |
Recent Insider Transactions
Date | Name | Role | Activity | Value |
---|---|---|---|---|
May 21, 2025 | Stefan Constantin Ionel | Chief Technology Officer | Sell | $49.53K |
May 21, 2025 | Wallach Sandra | Chief Financial Officer | Sell | $67.11K |
May 21, 2025 | Sun Kang | Chief Executive Officer | Sell | $169.72K |
Feb 21, 2025 | Sun Kang | Chief Executive Officer | Sell | $107.63K |
Feb 21, 2025 | Wallach Sandra | Chief Financial Officer | Sell | $56.84K |
Insider Transactions Trends
Date | Buy | Sell |
---|---|---|
2025 Q2 | - | 3 |
2025 Q1 | - | 4 |
2024 Q4 | - | 6 |
2024 Q3 | - | 12 |
2024 Q2 | - | 15 |
AMPX Ownership FAQ
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