Mercury Systems Inc
MRCY- Exchange
- Nasdaq
- Industry
- Electronic Components & Accessories
- SEC CIK
- 0001049521
In the last 90 days, Mercury Systems Inc insiders filed 0 open-market purchases and 16 sales; 392 institutions reported holding it in 13F filings for Q2 2026, worth $8.01B in total; no superinvestor holds it.
13F holders, Q3 2025
Institutional positions in Mercury Systems Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 326
- +43 vs. Q2 2025
- Shares held
- 64.9M
- −161.8K (−0.2%) vs. Q2 2025
- Total value
- $5.02B
- +$1.52B (+43.4%) vs. Q2 2025
- New holders
- 69
- 108 more added
- Sold out
- 26
- 109 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MRCY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 392 | $8.01B |
| Q1 2026 | 357 | $4.75B |
| Q4 2025 | 347 | $4.72B |
| Q3 2025 | 326 | $5.02B |
| Q2 2025 | 285 | $3.50B |
| Q1 2025 | 253 | $2.72B |
| Q4 2024 | 243 | $2.66B |
| Q3 2024 | 245 | $2.33B |
| Q2 2024 | 232 | $1.75B |
| Q1 2024 | 222 | $1.84B |
| Q4 2023 | 219 | $2.23B |
| Q3 2023 | 217 | $2.22B |
| Q2 2023 | 236 | $1.95B |
| Q1 2023 | 245 | $2.94B |
| Q4 2022 | 236 | $2.61B |
| Q3 2022 | 235 | $2.33B |
| Q2 2022 | 254 | $3.65B |
| Q1 2022 | 253 | $3.77B |
| Q4 2021 | 252 | $3.14B |
| Q3 2021 | 251 | $2.51B |
| Q2 2021 | 255 | $3.48B |
| Q1 2021 | 282 | $3.75B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cloud Capital Management, LLC | 10 | $0 | 0.00% | +10 | New |
| Harbour Investments, Inc. | 1 | $77 | 0.00% | +1 | New |
| Bear Mountain Capital, Inc. | 2 | $158 | 0.00% | +2 | New |
| True Wealth Design, LLC | 3 | $233 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 4 | $310 | 0.00% | 00.0% | Unchanged |
| HFM Investment Advisors, LLC | 6 | $464 | 0.00% | +1+20.0% | Added |
| Bay Harbor Wealth Management, LLC | 6 | $464 | 0.00% | +3+100.0% | Added |
| Rialto Wealth Management, LLC | 6 | $465 | 0.00% | +2+50.0% | Added |
| SJS Investment Consulting Inc. | 7 | $542 | 0.00% | 00.0% | Unchanged |
| Quarry LP | 7 | $542 | 0.00% | +7 | New |
| Sunbelt Securities, Inc. | 8 | $619 | 0.00% | +8 | New |
| Financial Consulate, Inc | 9 | $697 | 0.00% | +9 | New |
| DiNuzzo Private Wealth, Inc. | 11 | $744 | 0.00% | −1−8.3% | Reduced |
| South State Corp. | 10 | $774 | 0.00% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 14 | $1.08K | 0.00% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 16 | $1.24K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 18 | $1.39K | 0.00% | +15+500.0% | Added |
| Atlantic Trust, LLC | 18 | $1.39K | 0.00% | 00.0% | Unchanged |
| Sachetta, LLC | 20 | $1.55K | 0.00% | 00.0% | Unchanged |
| Raffa Wealth Management, LLC | 26 | $2.01K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 30 | $2.32K | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 30 | $2.32K | 0.00% | +30 | New |
| Farmers & Merchants Investments Inc | 32 | $2.48K | 0.00% | −3−8.6% | Reduced |
| JFS Wealth Advisors, LLC | 39 | $3.02K | 0.00% | −3−7.1% | Reduced |
| Prestige Wealth Management Group LLC | 39 | $3.02K | 0.00% | 00.0% | Unchanged |
| Armstrong Advisory Group, Inc | 39 | $3.02K | 0.00% | +39 | New |
| Aster Capital Management (DIFC) Ltd | 40 | $3.10K | 0.00% | −744−94.9% | Reduced |
| Clearstead Advisors, LLC | 47 | $3.64K | 0.00% | +47 | New |
| Whittier Trust Co of Nevada Inc | 45 | $3.76K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 56 | $4.33K | 0.00% | 00.0% | Unchanged |
| Wealthspire Advisors, LLC | 60 | $4.64K | 0.00% | +60 | New |
| Hantz Financial Services, Inc. | 66 | $5.00K | 0.00% | +33+100.0% | Added |
| Farther Finance Advisors, LLC | 68 | $5.26K | 0.00% | +13+23.6% | Added |
| Colonial Trust Co | 75 | $5.65K | 0.00% | −1−1.3% | Reduced |
| Federated Hermes, Inc. | 75 | $5.80K | 0.00% | −726−90.6% | Reduced |
| Fortitude Family Office, LLC | 83 | $6.42K | 0.00% | +3+3.8% | Added |
| Rothschild Investment LLC | 85 | $6.58K | 0.00% | −20−19.0% | Reduced |
| Larson Financial Group LLC | 87 | $6.73K | 0.00% | +41+89.1% | Added |
| Toth Financial Advisory Corp | 100 | $7.74K | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 93 | $7.77K | 0.00% | +93 | New |
| Bare Financial Services, Inc | 108 | $8.36K | 0.00% | +77+248.4% | Added |
| IFP Advisors, Inc | 113 | $8.75K | 0.00% | +82+264.5% | Added |
| Hillsdale Investment Management Inc. | 120 | $9.29K | 0.00% | −30−20.0% | Reduced |
| Covestor Ltd | 148 | $11.0K | 0.01% | −7−4.5% | Reduced |
| Massmutual Trust Co FSB | 150 | $11.6K | 0.00% | +1+0.7% | Added |
| Hemington Wealth Management | 156 | $12.0K | 0.00% | +13+9.1% | Added |
| Quent Capital, LLC | 161 | $12.5K | 0.00% | +161 | New |
| Huntington National Bank | 162 | $12.5K | 0.00% | 00.0% | Unchanged |
| WPG Advisers, LLC | 163 | $12.6K | 0.01% | +15+10.1% | Added |
| Parallel Advisors, LLC | 164 | $12.7K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 167 | $12.9K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 195 | $15.1K | 0.00% | +195 | New |
| Umb Bank N A | 268 | $20.7K | 0.00% | +40+17.5% | Added |
| SBI Securities Co., Ltd. | 268 | $20.7K | 0.00% | +198+282.9% | Added |
| Smartleaf Asset Management LLC | 290 | $21.8K | 0.00% | +43+17.4% | Added |
| Danske Bank A/S | 300 | $23.2K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 300 | $23.2K | 0.00% | +300 | New |
| Barrow Hanley Mewhinney & Strauss LLC | 314 | $24.3K | 0.00% | −268−46.0% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 360 | $27.9K | 0.01% | 00.0% | Unchanged |
| Coston, McIsaac & Partners | 396 | $30.0K | 0.01% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 383 | $32.0K | 0.00% | +383 | New |
| Rockefeller Capital Management L.P. | 425 | $32.9K | 0.00% | +425 | New |
| Simplex Trading, LLC | 427 | $33.0K | 0.00% | +215+101.4% | Added |
| Versant Capital Management, Inc | 432 | $33.4K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 432 | $33.4K | 0.00% | +22+5.4% | Added |
| Public Employees Retirement System of Ohio | 557 | $43.1K | 0.00% | −79−12.4% | Reduced |
| Quest Partners LLC | 569 | $44.0K | 0.00% | +168+41.9% | Added |
| Quaker Wealth Management, LLC | 644 | $49.8K | 0.02% | 00.0% | Unchanged |
| Allworth Financial LP | 688 | $53.3K | 0.00% | +3+0.4% | Added |
| Signaturefd, LLC | 697 | $53.9K | 0.00% | +5+0.7% | Added |
| GHP Investment Advisors, Inc. | 700 | $54.2K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 708 | $54.4K | 0.00% | +25+3.7% | Added |
| Wexford Capital LP | 853 | $66.0K | 0.02% | +853 | New |
| EverSource Wealth Advisors, LLC | 897 | $69.4K | 0.00% | −32−3.4% | Reduced |
| Mark Sheptoff Financial Planning, LLC | 1,100 | $85.1K | 0.04% | 00.0% | Unchanged |
| State of Wyoming | 1,124 | $87.0K | 0.01% | +1,124 | New |
| Fifth Third Bancorp | 1,251 | $96.8K | 0.00% | +6+0.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,305 | $101.0K | 0.00% | +34+2.7% | Added |
| GAMMA Investing LLC | 1,600 | $123.8K | 0.01% | +278+21.0% | Added |
| SRS Capital Advisors, Inc. | 1,685 | $130.4K | 0.00% | +1,225+266.3% | Added |
| Tower Research Capital LLC (TRC) | 1,728 | $133.7K | 0.00% | −4,766−73.4% | Reduced |
| CIBC Private Wealth Group, LLC | 1,772 | $137.2K | 0.00% | −20−1.1% | Reduced |
| Penserra Capital Management LLC | 1,872 | $144.0K | 0.00% | +1,872 | New |
| KBC Group NV | 1,886 | $146.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,941 | $150.2K | 0.00% | +181+10.3% | Added |
| Peregrine Capital Management LLC | 2,134 | $165.2K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 2,238 | $173.2K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 2,595 | $200.9K | 0.00% | +2,595 | New |
| Hilltop National Bank | 2,608 | $201.9K | 0.05% | +558+27.2% | Added |
| Marco Investment Management LLC | 2,655 | $205.5K | 0.02% | +2,655 | New |
| Capstone Investment Advisors, LLC | 2,684 | $207.7K | 0.00% | +2,684 | New |
| Intrua Financial, LLC | 2,729 | $211.2K | 0.02% | +2,729 | New |
| Walleye Capital LLC | 2,765 | $214.0K | 0.00% | +2,765 | New |
| Peapack Gladstone Financial Corp | 2,827 | $219.0K | 0.00% | +2,827 | New |
| MGB Wealth Management, LLC | 2,900 | $224.5K | 0.06% | +2,900 | New |
| Abacus Planning Group, Inc. | 2,904 | $224.8K | 0.03% | +2,904 | New |
| Atria Investments LLC | 2,941 | $227.6K | 0.00% | +2,941 | New |
| Journey Strategic Wealth LLC | 3,043 | $235.5K | 0.01% | +3,043 | New |
| Optiver Holding B.V. | 3,063 | $237.1K | 0.00% | +2,890+1,670.5% | Added |
| Forum Financial Management, LP | 3,107 | $240.5K | 0.00% | +3,107 | New |