Mercury Systems Inc (NASDAQ:MRCY) currently has 324 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Dec, 2025 | 8,611,638 | 134,480 | 1.59% | $628,735,659.00 |
| VANGUARD GROUP INC | 31 Dec, 2025 | 5,632,049 | -98,984 | -1.73% | $411,195,897.00 |
| JANA Partners Management, LP | 31 Dec, 2025 | 4,959,481 | -1,000,000 | -16.78% | $362,091,708.00 |
| STATE STREET CORP | 31 Dec, 2025 | 3,423,600 | 368,242 | 12.05% | $249,957,036.00 |
| Conestoga Capital Advisors, LLC | 31 Dec, 2025 | 2,174,807 | -105,102 | -4.61% | $158,782,659.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Dec, 2025 | 1,475,821 | -267,993 | -15.37% | $107,752,953.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 1,368,659 | 47,174 | 3.57% | $99,940,447.00 |
| AMERIPRISE FINANCIAL INC | 31 Dec, 2025 | 1,289,685 | 1,009,297 | 359.96% | $94,159,992.00 |
| FIRST TRUST ADVISORS LP | 31 Dec, 2025 | 1,279,384 | -253,438 | -16.53% | $93,407,825.00 |
| GOLDMAN SACHS GROUP INC | 31 Dec, 2025 | 1,156,397 | -83,038 | -6.70% | $84,428,545.00 |
| FMR LLC | 31 Dec, 2025 | 1,152,192 | -331,281 | -22.33% | $84,121,571.00 |
| Neuberger Berman Group LLC | 31 Dec, 2025 | 1,030,103 | -16,366 | -1.56% | $75,246,892.00 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 31 Dec, 2025 | 984,273 | -1,503,684 | -60.44% | $71,861,772.00 |
| Fisher Asset Management, LLC | 31 Dec, 2025 | 860,383 | -14,896 | -1.70% | $62,816,561.00 |
| LOOMIS SAYLES & CO L P | 31 Dec, 2025 | 851,817 | -32,798 | -3.71% | $62,191,159.00 |
| BAMCO INC /NY/ | 31 Dec, 2025 | 835,823 | -459,461 | -35.47% | $61,023,437.00 |
| Allspring Global Investments Holdings, LLC | 31 Dec, 2025 | 753,695 | 59,828 | 8.62% | $57,303,430.00 |
| SNYDER CAPITAL MANAGEMENT L P | 31 Dec, 2025 | 748,536 | -32,868 | -4.21% | $54,650,613.00 |
| MORGAN STANLEY | 31 Dec, 2025 | 730,676 | -145,721 | -16.63% | $53,346,796.00 |
| VAN ECK ASSOCIATES CORP | 31 Dec, 2025 | 725,387 | 4,531 | 0.63% | $52,961.00 |