Mercury Systems Inc (NASDAQ:MRCY) showed up in the 13F filings of 335 institutional investors as of December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 8,920,325 | 308,687 | 3.58% | $650,380,862.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 8,611,638 | 134,480 | 1.59% | $628,735,659.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 5,632,049 | -98,984 | -1.73% | $411,195,897.00 |
| JANA Partners Management, LP | 31 Mar, 2026 | 4,959,481 | -1,000,000 | -16.78% | $362,091,708.00 |
| JANA Partners Management, LP | 31 Mar, 2026 | 4,107,424 | -852,057 | -17.18% | $299,472,284.00 |
| State Street Corp | 31 Mar, 2026 | 3,865,719 | 442,119 | 12.91% | $281,849,572.00 |
| State Street Corp | 31 Mar, 2026 | 3,423,600 | 368,242 | 12.05% | $249,957,036.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 2,910,904 | 2,910,904 | 0.00% | $212,234,011.00 |
| Invesco Ltd. | 31 Mar, 2026 | 2,441,578 | 530,836 | 27.78% | $178,015,453.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 2,403,818 | 2,403,818 | 0.00% | $175,262,370.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 2,312,794 | 1,073,359 | 86.60% | $168,857,090.00 |
| Conestoga Capital Advisors, LLC | 31 Mar, 2026 | 2,174,807 | -105,102 | -4.61% | $158,782,659.00 |
| Invesco Ltd. | 31 Mar, 2026 | 1,910,742 | 383,299 | 25.09% | $139,503,273.00 |
| T. Rowe Price Investment Management, Inc. | 31 Mar, 2026 | 1,805,601 | 283,932 | 18.66% | $131,828.00 |
| T. Rowe Price Investment Management, Inc. | 31 Mar, 2026 | 1,579,832 | -225,769 | -12.50% | $115,186.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 1,525,716 | 157,057 | 11.48% | $111,257,977.00 |
| DIMENSIONAL FUND ADVISORS LP | 31 Mar, 2026 | 1,475,821 | -267,993 | -15.37% | $107,752,953.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 1,368,659 | 47,174 | 3.57% | $99,940,447.00 |
| Ameriprise Financial Inc | 31 Mar, 2026 | 1,289,685 | 1,009,297 | 359.96% | $94,159,992.00 |
| FIRST TRUST ADVISORS LP | 31 Mar, 2026 | 1,279,384 | -253,438 | -16.53% | $93,407,825.00 |