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; 393 institutions reported holding it in 13F filings for Q2 2026, worth $8.02B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Mercury Systems Inc as of Mar 31, 2026. 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
- 357
- +16 vs. Q4 2025
- Shares held
- 65.2M
- +6.52M (+11.1%) vs. Q4 2025
- Total value
- $4.75B
- +$463.1M (+10.8%) vs. Q4 2025
- New holders
- 58
- 134 more added
- Sold out
- 42
- 120 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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 | 393 | $8.02B |
| 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, Q1 2026
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 132 | $9.62K | 0.00% | −9−6.4% | Reduced |
| Fortitude Family Office, LLC | 129 | $9.40K | 0.00% | +13+11.2% | Added |
| Basecamp Wealth Advisors LLC | 122 | $8.89K | 0.00% | 00.0% | Unchanged |
| Millstone Evans Group, LLC | 119 | $8.68K | 0.01% | +119 | New |
| Sound Income Strategies, LLC | 110 | $8.22K | 0.00% | +1+0.9% | Added |
| Covestor Ltd | 106 | $8.00K | 0.01% | −1−0.9% | Reduced |
| Rothschild Investment LLC | 108 | $7.87K | 0.00% | +20+22.7% | Added |
| Twin Peaks Wealth Advisors, LLC | 108 | $7.87K | 0.00% | +108 | New |
| Hilton Head Capital Partners, LLC | 94 | $6.85K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 88 | $6.42K | 0.00% | +61+225.9% | Added |
| Toth Financial Advisory Corp | 80 | $5.83K | 0.00% | −20−20.0% | Reduced |
| Larson Financial Group LLC | 58 | $4.23K | 0.00% | −146−71.6% | Reduced |
| Private Wealth Management Group, LLC | 56 | $4.08K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 56 | $4.08K | 0.00% | +4+7.7% | Added |
| SBI Securities Co., Ltd. | 56 | $4.08K | 0.00% | +10+21.7% | Added |
| Colonial Trust Co | 55 | $3.84K | 0.00% | −20−26.7% | Reduced |
| MAI Capital Management | 49 | $3.57K | 0.00% | +49 | New |
| Whittier Trust Co of Nevada Inc | 45 | $3.41K | 0.00% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 42 | $3.06K | 0.00% | +3+7.7% | Added |
| CVA Family Office, LLC | 40 | $2.92K | 0.00% | +33+471.4% | Added |
| Armstrong Advisory Group, Inc | 39 | $2.84K | 0.00% | 00.0% | Unchanged |
| Annis Gardner Whiting Capital Advisors, LLC | 31 | $2.26K | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 30 | $2.19K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 30 | $2.19K | 0.00% | −2−6.3% | Reduced |
| Golden State Wealth Management, LLC | 30 | $2.19K | 0.00% | 00.0% | Unchanged |
| Raffa Wealth Management, LLC | 26 | $1.90K | 0.00% | 00.0% | Unchanged |
| NBT Bank N A | 24 | $1.75K | 0.00% | +24 | New |
| Sachetta, LLC | 20 | $1.46K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 18 | $1.31K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 16 | $1.17K | 0.00% | 00.0% | Unchanged |
| MV Capital Management, Inc. | 14 | $1.02K | 0.00% | 00.0% | Unchanged |
| Ankerstar Wealth, LLC | 12 | $875 | 0.00% | 00.0% | Unchanged |
| DiNuzzo Private Wealth, Inc. | 12 | $875 | 0.00% | +1+9.1% | Added |
| SJS Investment Consulting Inc. | 12 | $875 | 0.00% | +5+71.4% | Added |
| Wall Street Financial Group, Inc. | 11 | $802 | 0.00% | +11 | New |
| International Assets Investment Management, LLC | 10 | $748 | 0.00% | +10 | New |
| South State Corp. | 10 | $730 | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 9 | $657 | 0.00% | 00.0% | Unchanged |
| Rakuten Securities, Inc. | 9 | $656 | 0.00% | +9 | New |
| Gilpin Wealth Management, LLC | 8 | $584 | 0.00% | +4+100.0% | Added |
| Sunbelt Securities, Inc. | 8 | $583 | 0.00% | 00.0% | Unchanged |
| Bay Harbor Wealth Management, LLC | 8 | $583 | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 7 | $523 | 0.00% | +7 | New |
| Central Trust Co | 7 | $511 | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 7 | $511 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 7 | $511 | 0.00% | +3+75.0% | Added |
| Signature Equity Partners, LLC | 6 | $437 | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 6 | $437 | 0.00% | +6 | New |
| Bogart Wealth, LLC | 6 | $437 | 0.00% | +6 | New |
| Harbour Investments, Inc. | 5 | $365 | 0.00% | +4+400.0% | Added |
| HFM Investment Advisors, LLC | 4 | $292 | 0.00% | −2−33.3% | Reduced |
| Vermillion Wealth Management, Inc. | 3 | $219 | 0.00% | +3 | New |
| Bear Mountain Capital, Inc. | 2 | $168 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 2 | $146 | 0.00% | −2−50.0% | Reduced |
| True Wealth Design, LLC | 2 | $146 | 0.00% | 00.0% | Unchanged |
| Dunhill Financial, LLC | 1 | $85 | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 1 | $73 | 0.00% | +1 | New |
| Staley Capital Advisers Inc | 0 | $0 | 0.00% | −161,100−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −69,178−100.0% | Sold out |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −46,348−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −36,821−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −28,194−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −28,051−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −23,036−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −21,100−100.0% | Sold out |
| Sandler Capital Management | 0 | $0 | 0.00% | −17,800−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −15,469−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −14,900−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −12,182−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −10,960−100.0% | Sold out |
| Altfest L J & Co Inc | 0 | $0 | 0.00% | −10,898−100.0% | Sold out |
| Yarbrough Capital, LLC | 0 | $0 | 0.00% | −9,991−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −8,605−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −8,297−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −7,134−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −6,600−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −5,371−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −5,121−100.0% | Sold out |
| Grimes & Company, Inc. | 0 | $0 | 0.00% | −4,994−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −4,677−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −3,953−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −3,814−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −3,386−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −3,263−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −3,211−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −3,107−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −3,038−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −2,909−100.0% | Sold out |
| Johnson Investment Counsel Inc | 0 | $0 | 0.00% | −2,905−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −2,250−100.0% | Sold out |
| Hollencrest Capital Management | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −401−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −141−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −27−100.0% | Sold out |
| Advocate Investing Services LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| TD Capital Management LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |