Mercury Systems Ownership | Who Owns Mercury Systems?
Mercury Systems Ownership Summary
Mercury Systems is owned by 107.41% institutional investors, 1.88% insiders. Blackrock is the largest institutional shareholder, holding 15.27% of MRCY shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.11% of its assets in Mercury Systems shares.
MRCY Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Mercury Systems | 107.41% | 1.88% | -9.29% |
| Sector | Industrials Stocks | 39.35% | 12.62% | 48.03% |
| Industry | Defense Stocks | 40.50% | 9.95% | 49.54% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 8.81M | 15.27% | $237.75M |
| Blackrock funding, inc. /de | 8.82M | 15.14% | $370.48M |
| Jana partners management, lp | 6.94M | 11.91% | $291.55M |
| William blair investment management | 6.43M | 11.04% | $270.17M |
| Vanguard group | 5.55M | 9.53% | $233.13M |
| State street | 3.33M | 5.77% | $89.80M |
| Dimensional fund advisors lp | 2.20M | 3.78% | $92.49M |
| Conestoga capital advisors | 2.07M | 3.56% | $87.06M |
| Victory capital management | 2.06M | 3.54% | $86.53M |
| Scopia capital management lp | 1.33M | 2.28% | $55.78M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Jana partners management, lp | 6.94M | 14.34% | $291.55M |
| Scopia capital management lp | 1.33M | 5.90% | $55.78M |
| 13d management | 131.29K | 2.59% | $3.54M |
| Steel partners | 66.54K | 2.27% | $1.80M |
| Sasco capital inc / ct/ | 561.03K | 2.14% | $15.14M |
| Mesirow institutional investment management | 500.83K | 1.62% | $21.03M |
| Conestoga capital advisors | 2.07M | 1.15% | $87.06M |
| Snyder capital management l p | 1.17M | 1.02% | $48.93M |
| Staley capital advisers | 488.08K | 0.91% | $20.50M |
| Ironwood investment management | 40.99K | 0.86% | $1.72M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 8.81M | 0.01% | 1.40M |
| Conestoga capital advisors | 2.07M | 1.15% | 743.55K |
| Millennium management | 1.02M | 0.02% | 677.89K |
| Scopia capital management lp | 1.33M | 5.90% | 648.88K |
| Fmr | 555.99K | 0.00% | 552.93K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Starboard value lp | - | - | -2.29M |
| William blair investment management | 6.43M | 0.66% | -866.91K |
| T. rowe price investment management | - | - | -805.65K |
| Westwood group | - | - | -787.79K |
| Clearline capital lp | - | - | -526.61K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Fisher asset management | 395.26K | 0.01% | 395.26K | $16.60M |
| Raymond james financial | 101.38K | 0.00% | 101.38K | $4.26M |
| Peak6 | 29.02K | 0.00% | 29.02K | $1.22M |
| Gotham asset management | 10.43K | 0.00% | 10.43K | $437.93K |
| Lombard odier asset management (usa) | 10.00K | 0.02% | 10.00K | $269.90K |
Sold Out
| Holder | Change |
|---|---|
| Capital performance advisors llp | -4.00 |
| Gradient investments | -5.00 |
| Mendota financial group | -6.00 |
| International assets investment management | -10.00 |
| Allspring global investments | -12.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 254 | 2.01% | 63,101,197 | -0.66% | 107 | 0.91% | 124 | 7.83% | 89 | 2.30% |
| Dec 31, 2024 | 227 | -9.20% | 59,582,534 | -5.47% | 102 | 0.87% | 105 | -6.25% | 81 | -11.96% |
| Sep 30, 2024 | 248 | 3.33% | 63,023,819 | -2.69% | 108 | 0.86% | 112 | -12.50% | 92 | 16.46% |
| Jun 30, 2024 | 240 | 4.35% | 64,763,048 | 3.91% | 112 | 0.96% | 128 | -3.76% | 79 | 14.49% |
| Mar 31, 2024 | 230 | 1.77% | 62,324,286 | 2.23% | 108 | 0.96% | 133 | 13.68% | 69 | -5.48% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.05M | 5.11% | -1.65K |
| Vanguard Total Stock Mkt Idx Inv | 1.62M | 2.71% | 22.44K |
| Vanguard US Total Market Shares ETF | 1.60M | 2.69% | 1.79K |
| Victory Small Cap Value CIT (Net 75) | 1.56M | 2.62% | 240.00K |
| iShares Russell 2000 ETF | 1.33M | 2.23% | 654.00 |
| Victory Sycamore Small Company Opp R | 1.30M | 2.18% | -258.00K |
| Conestoga Small Cap Investors | 1.28M | 2.14% | -13.75K |
| Vanguard Small Cap Index | 1.27M | 2.13% | 9.02K |
| William Blair Sml-Mid Cap Grwth CIT Cl A | 1.17M | 1.96% | 1.17M |
| FullerThaler Behavioral Small-Cap Value | 1.05M | 1.76% | -33.84K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 14, 2025 | Munro Douglas | VP, CAO | Sell | $73.48K |
| May 14, 2025 | Munro Douglas | VP, CAO | Sell | $36.31K |
| May 08, 2025 | Ratner Steven | EVP, CHRO | Sell | $185.65K |
| May 08, 2025 | Ratner Steven | EVP, CHRO | Sell | $14.96K |
| May 08, 2025 | JANA Partners Management, LP | See Remarks | Sell | $4.08M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 6 |
| 2025 Q1 | - | 3 |
| 2024 Q4 | - | 1 |
| 2024 Q3 | 1 | 10 |
| 2024 Q2 | - | 1 |
MRCY Ownership FAQ
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