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 |
|---|---|---|---|---|---|
| State of Wyoming | 1,010 | $73.6K | 0.01% | −386−27.7% | Reduced |
| Bayforest Capital Ltd | 1,037 | $75.6K | 0.08% | −753−42.1% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,264 | $92.2K | 0.00% | +318+33.6% | Added |
| Simplex Trading, LLC | 1,294 | $94.3K | 0.00% | +1,294 | New |
| GAMMA Investing LLC | 1,829 | $133.4K | 0.01% | +48+2.7% | Added |
| KBC Group NV | 1,886 | $138.0K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 2,038 | $148.6K | 0.02% | +23+1.1% | Added |
| Nisa Investment Advisors, LLC | 2,145 | $156.4K | 0.00% | +276+14.8% | Added |
| Smartleaf Asset Management LLC | 2,246 | $156.9K | 0.01% | +152+7.3% | Added |
| Walleye Capital LLC | 2,240 | $163.3K | 0.00% | −86−3.7% | Reduced |
| Syon Capital LLC | 2,752 | $200.6K | 0.01% | +2,752 | New |
| Natixis | 2,814 | $205.2K | 0.00% | −197−6.5% | Reduced |
| Hilltop National Bank | 2,835 | $206.7K | 0.05% | +227+8.7% | Added |
| Abacus Planning Group, Inc. | 2,904 | $211.7K | 0.03% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 2,949 | $215.0K | 0.00% | +1,897+180.3% | Added |
| Engineers Gate Manager LP | 2,980 | $217.3K | 0.00% | +2,980 | New |
| Mariner, LLC | 2,993 | $218.2K | 0.00% | +2,993 | New |
| Journey Strategic Wealth LLC | 3,009 | $219.4K | 0.01% | +27+0.9% | Added |
| Crossmark Global Holdings, Inc. | 3,043 | $221.9K | 0.00% | −653−17.7% | Reduced |
| Winton Group Ltd | 3,057 | $222.9K | 0.01% | +3,057 | New |
| Abel Hall, LLC | 3,067 | $223.6K | 0.05% | +3,067 | New |
| Blueshift Asset Management, LLC | 3,104 | $226.3K | 0.07% | +3,104 | New |
| Swiss Life Asset Management Ltd | 3,194 | $232.9K | 0.00% | +3,194 | New |
| Hunter Perkins Capital Management, LLC | 3,190 | $233.0K | 0.05% | −2,815−46.9% | Reduced |
| DnB Asset Management AS | 3,208 | $233.9K | 0.00% | +3,208 | New |
| Y-Intercept (Hong Kong) Ltd | 3,213 | $234.3K | 0.00% | +3,213 | New |
| NorthCrest Asset Manangement, LLC | 3,233 | $240.0K | 0.01% | −25−0.8% | Reduced |
| Highland Capital Management, LLC | 3,300 | $240.6K | 0.01% | +3,300 | New |
| Panagora Asset Management Inc | 3,400 | $247.9K | 0.00% | +38+1.1% | Added |
| CIBC Bancorp USA Inc. | 3,467 | $252.8K | 0.00% | +3,467 | New |
| Blackstone Group Inc. | 3,799 | $277.0K | 0.00% | +3,799 | New |
| O'Shaughnessy Asset Management, LLC | 3,864 | $281.7K | 0.00% | −2,866−42.6% | Reduced |
| Moors & Cabot, Inc. | 3,900 | $284.3K | 0.01% | −500−11.4% | Reduced |
| Intrua Financial, LLC | 4,017 | $292.9K | 0.03% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 4,181 | $304.8K | 0.00% | +120+3.0% | Added |
| Centaurus Financial, Inc. | 4,196 | $306.0K | 0.01% | +29+0.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 7,423 | $311.0K | 0.00% | +1,655+28.7% | Added |
| Alamea Verwaltungs GmbH | 4,354 | $317.4K | 0.24% | +1,140+35.5% | Added |
| Ameritas Investment Partners, Inc. | 4,495 | $327.7K | 0.01% | +144+3.3% | Added |
| Capstone Investment Advisors, LLC | 4,516 | $329.3K | 0.00% | −2,423−34.9% | Reduced |
| Danske Bank A/S | 4,603 | $335.6K | 0.00% | +1,657+56.2% | Added |
| Bridgefront Capital, LLC | 4,914 | $358.3K | 0.09% | +4,914 | New |
| Xponance, Inc. | 5,033 | $367.0K | 0.00% | +942+23.0% | Added |
| HighTower Advisors, LLC | 5,062 | $369.1K | 0.00% | +5,062 | New |
| Evergreen Capital Management LLC | 5,090 | $371.1K | 0.01% | +709+16.2% | Added |
| Ensign Peak Advisors, Inc | 5,152 | $375.6K | 0.00% | 00.0% | Unchanged |
| Keybank National Association | 5,216 | $380.3K | 0.00% | +869+20.0% | Added |
| IMC-Chicago, LLC | 5,422 | $395.3K | 0.01% | +5,422 | New |
| Algert Global LLC | 5,460 | $398.1K | 0.01% | +5,460 | New |
| F/M Investments LLC | 5,486 | $400.0K | 0.03% | +5,486 | New |
| Cambridge Investment Research Advisors, Inc. | 5,488 | $400.0K | 0.00% | +520+10.5% | Added |
| STRS Ohio | 5,500 | $401.0K | 0.00% | −7,500−57.7% | Reduced |
| Tower Research Capital LLC (TRC) | 5,824 | $424.6K | 0.01% | +4,672+405.6% | Added |
| DekaBank Deutsche Girozentrale | 5,826 | $429.0K | 0.00% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 5,892 | $429.3K | 0.00% | −1,919−24.6% | Reduced |
| Nomura Holdings Inc | 5,893 | $429.7K | 0.00% | +5,893 | New |
| Picton Mahoney Asset Management | 6,190 | $451.3K | 0.00% | +1,450+30.6% | Added |
| Public Employees Retirement Association of Colorado | 6,263 | $457.0K | 0.00% | 00.0% | Unchanged |
| Greenwood Capital Associates LLC | 6,608 | $481.8K | 0.05% | −2,295−25.8% | Reduced |
| Cinctive Capital Management LP | 6,615 | $482.3K | 0.03% | −140,829−95.5% | Reduced |
| Gotham Asset Management, LLC | 6,822 | $497.4K | 0.00% | −31,392−82.1% | Reduced |
| The PNC Financial Services Group, Inc. | 7,045 | $513.6K | 0.00% | +319+4.7% | Added |
| JustInvest LLC | 7,158 | $521.9K | 0.01% | +1,315+22.5% | Added |
| Vontobel Holding Ltd. | 7,259 | $529.3K | 0.00% | −246−3.3% | Reduced |
| Maryland State Retirement & Pension System | 7,686 | $560.4K | 0.01% | −28−0.4% | Reduced |
| Guidance Capital, Inc | 6,848 | $568.1K | 0.13% | +6,848 | New |
| Quadrant Capital Group LLC | 7,877 | $574.3K | 0.02% | +175+2.3% | Added |
| Amundi | 8,033 | $585.7K | 0.00% | +8,033 | New |
| CWM, LLC | 8,113 | $591.5K | 0.00% | +74+0.9% | Added |
| Bank of Montreal | 8,125 | $592.4K | 0.00% | +1,414+21.1% | Added |
| Perbak Capital Partners LLP | 8,184 | $596.7K | 0.15% | +8,184 | New |
| ProShare Advisors LLC | 8,448 | $615.9K | 0.00% | −1,686−16.6% | Reduced |
| Pictet Asset Management Holding SA | 8,899 | $648.8K | 0.00% | +658+8.0% | Added |
| Cim Investment Mangement Inc | 8,927 | $650.9K | 0.17% | +1,307+17.2% | Added |
| FIL Ltd | 9,067 | $661.1K | 0.00% | −5,531−37.9% | Reduced |
| US Bancorp | 9,090 | $662.8K | 0.00% | −1,160−11.3% | Reduced |
| Virtu Financial LLC | 9,420 | $687.0K | 0.03% | +9,420 | New |
| Glenmede Trust Co NA | 9,453 | $689.2K | 0.00% | −108−1.1% | Reduced |
| Needham Investment Management LLC | 10,000 | $729.1K | 0.04% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 10,341 | $754.0K | 0.00% | 00.0% | Unchanged |
| Callan Family Office, LLC | 10,572 | $770.8K | 0.02% | +345+3.4% | Added |
| Richard Bernstein Advisors LLC | 10,715 | $781.2K | 0.02% | +10,715 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,961 | $799.2K | 0.00% | +1,915+21.2% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 11,230 | $819.0K | 0.01% | +3,139+38.8% | Added |
| KLP Kapitalforvaltning AS | 11,900 | $867.6K | 0.00% | +400+3.5% | Added |
| State of Tennessee, Treasury Department | 11,948 | $871.1K | 0.00% | −2,274−16.0% | Reduced |
| Two Sigma Securities, LLC | 11,950 | $871.3K | 0.10% | +5,637+89.3% | Added |
| Oregon Public Employees Retirement Fund | 12,058 | $879.1K | 0.01% | 00.0% | Unchanged |
| Defiance ETFs, LLC | 12,089 | $881.4K | 0.01% | −1,015−7.7% | Reduced |
| Gsa Capital Partners LLP | 12,520 | $913.0K | 0.06% | +9,170+273.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,060 | $952.2K | 0.00% | −33−0.3% | Reduced |
| Corecam Pte. Ltd. | 13,129 | $957.3K | 0.41% | +8,733+198.7% | Added |
| Vanguard Investments Australia, Ltd. | 13,149 | $958.7K | 0.00% | +13,149 | New |
| Rafferty Asset Management, LLC | 13,437 | $979.7K | 0.00% | +1,279+10.5% | Added |
| State Board of Administration of Florida Retirement System | 14,269 | $1.04M | 0.00% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 14,355 | $1.05M | 0.01% | +42+0.3% | Added |
| Oppenheimer & Co Inc | 14,550 | $1.06M | 0.01% | −7,250−33.3% | Reduced |
| SG Americas Securities, LLC | 14,764 | $1.08M | 0.00% | −7,463−33.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 14,771 | $1.08M | 0.01% | +472+3.3% | Added |
| Arizona State Retirement System | 14,838 | $1.08M | 0.01% | −373−2.5% | Reduced |