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, Q4 2025
Institutional positions in Mercury Systems Inc as of Dec 31, 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
- 347
- +24 vs. Q3 2025
- Shares held
- 64.6M
- −244.2K (−0.4%) vs. Q3 2025
- Total value
- $4.72B
- −$300.3M (−6.0%) vs. Q3 2025
- New holders
- 55
- 127 more added
- Sold out
- 31
- 113 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CIBC Private Wealth Group, LLC | 2,454 | $179.2K | 0.00% | +682+38.5% | Added |
| DekaBank Deutsche Girozentrale | 5,826 | $184.0K | 0.00% | 00.0% | Unchanged |
| Hilltop National Bank | 2,608 | $190.4K | 0.05% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 2,775 | $202.6K | 0.00% | +2,775 | New |
| MGB Wealth Management, LLC | 2,900 | $211.7K | 0.06% | 00.0% | Unchanged |
| Abacus Planning Group, Inc. | 2,904 | $212.0K | 0.03% | 00.0% | Unchanged |
| Johnson Investment Counsel Inc | 2,905 | $212.1K | 0.00% | −722−19.9% | Reduced |
| Atria Investments LLC | 2,909 | $212.4K | 0.00% | −32−1.1% | Reduced |
| Danske Bank A/S | 2,946 | $215.1K | 0.00% | +2,646+882.0% | Added |
| Journey Strategic Wealth LLC | 2,982 | $217.7K | 0.01% | −61−2.0% | Reduced |
| Natixis | 3,011 | $219.8K | 0.00% | +3,011 | New |
| Marex Group plc | 3,038 | $221.8K | 0.00% | +3,038 | New |
| Forum Financial Management, LP | 3,107 | $226.8K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 3,211 | $234.4K | 0.00% | −3,436−51.7% | Reduced |
| Mackenzie Financial Corp | 3,263 | $240.5K | 0.00% | −244−7.0% | Reduced |
| Gsa Capital Partners LLP | 3,350 | $245.0K | 0.02% | −8,739−72.3% | Reduced |
| Panagora Asset Management Inc | 3,362 | $245.5K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 3,386 | $248.1K | 0.00% | +3,386 | New |
| CIBC World Markets Corp | 3,445 | $251.5K | 0.00% | +3,445 | New |
| NorthCrest Asset Manangement, LLC | 3,258 | $264.8K | 0.01% | +45+1.4% | Added |
| Crossmark Global Holdings, Inc. | 3,696 | $269.8K | 0.00% | +415+12.6% | Added |
| Pacer Advisors, Inc. | 3,814 | $278.5K | 0.00% | −1,896−33.2% | Reduced |
| Aquatic Capital Management LLC | 3,953 | $288.6K | 0.01% | −11,238−74.0% | Reduced |
| Intrua Financial, LLC | 4,017 | $293.3K | 0.03% | +1,288+47.2% | Added |
| Steward Partners Investment Advisory, LLC | 4,061 | $296.5K | 0.00% | +3,761+1,253.7% | Added |
| Xponance, Inc. | 4,091 | $298.7K | 0.00% | +40+1.0% | Added |
| Alamea Verwaltungs GmbH | 3,214 | $301.7K | 0.20% | −683−17.5% | Reduced |
| Centaurus Financial, Inc. | 4,167 | $304.0K | 0.01% | −25−0.6% | Reduced |
| Keybank National Association | 4,347 | $317.4K | 0.00% | −4,214−49.2% | Reduced |
| Ameritas Investment Partners, Inc. | 4,351 | $317.7K | 0.01% | 00.0% | Unchanged |
| Evergreen Capital Management LLC | 4,381 | $319.9K | 0.01% | −737−14.4% | Reduced |
| Corecam Pte. Ltd. | 4,396 | $320.9K | 0.17% | +4,396 | New |
| Moors & Cabot, Inc. | 4,400 | $321.2K | 0.01% | −200−4.3% | Reduced |
| EntryPoint Capital, LLC | 4,677 | $341.5K | 0.13% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 4,740 | $346.1K | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 4,968 | $363.0K | 0.00% | +4,968 | New |
| Grimes & Company, Inc. | 4,994 | $364.6K | 0.01% | +774+18.3% | Added |
| Graham Capital Management, L.P. | 5,121 | $373.9K | 0.01% | +5,121 | New |
| Ensign Peak Advisors, Inc | 5,152 | $376.1K | 0.00% | −6,900−57.3% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 5,371 | $392.2K | 0.00% | −60−1.1% | Reduced |
| JustInvest LLC | 5,843 | $426.6K | 0.00% | +1,872+47.1% | Added |
| Hunter Perkins Capital Management, LLC | 6,005 | $438.0K | 0.10% | −655−9.8% | Reduced |
| Public Employees Retirement Association of Colorado | 6,263 | $457.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 6,313 | $460.9K | 0.06% | −3,181−33.5% | Reduced |
| Canada Pension Plan Investment Board | 6,600 | $481.9K | 0.00% | +6,600 | New |
| Bank of Montreal | 6,711 | $490.0K | 0.00% | −2,456−26.8% | Reduced |
| The PNC Financial Services Group, Inc. | 6,726 | $491.1K | 0.00% | −449−6.3% | Reduced |
| O'Shaughnessy Asset Management, LLC | 6,730 | $491.4K | 0.00% | +995+17.3% | Added |
| Wealth Enhancement Advisory Services, LLC | 5,768 | $495.6K | 0.00% | +1,243+27.5% | Added |
| Capstone Investment Advisors, LLC | 6,939 | $506.6K | 0.00% | +4,255+158.5% | Added |
| Colony Group, LLC | 7,134 | $520.9K | 0.00% | +205+3.0% | Added |
| Prelude Capital Management, LLC | 7,276 | $531.2K | 0.04% | +7,276 | New |
| Vontobel Holding Ltd. | 7,505 | $547.9K | 0.00% | +4,910+189.2% | Added |
| Cim Investment Mangement Inc | 7,620 | $556.3K | 0.15% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 7,702 | $562.3K | 0.02% | +5+0.1% | Added |
| Maryland State Retirement & Pension System | 7,714 | $563.2K | 0.01% | +134+1.8% | Added |
| CI Private Wealth, LLC | 7,811 | $572.7K | 0.00% | +2,056+35.7% | Added |
| CWM, LLC | 8,039 | $587.0K | 0.00% | +379+4.9% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 8,091 | $591.0K | 0.01% | −1,067−11.7% | Reduced |
| Pictet Asset Management Holding SA | 8,241 | $601.7K | 0.00% | +750+10.0% | Added |
| Guggenheim Capital LLC | 8,297 | $605.8K | 0.00% | +8,297 | New |
| Gabelli Funds LLC | 8,438 | $616.1K | 0.00% | −2,229−20.9% | Reduced |
| Freestone Grove Partners LP | 8,605 | $628.3K | 0.00% | +8,605 | New |
| Greenwood Capital Associates LLC | 8,903 | $650.0K | 0.07% | −479−5.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 9,046 | $687.8K | 0.00% | −1,917−17.5% | Reduced |
| Glenmede Trust Co NA | 9,561 | $698.0K | 0.00% | +9,561 | New |
| Yarbrough Capital, LLC | 9,991 | $729.4K | 0.02% | 00.0% | Unchanged |
| Needham Investment Management LLC | 10,000 | $730.1K | 0.05% | 00.0% | Unchanged |
| ProShare Advisors LLC | 10,134 | $739.9K | 0.00% | +312+3.2% | Added |
| Callan Family Office, LLC | 10,227 | $746.7K | 0.02% | +10,227 | New |
| US Bancorp | 10,250 | $748.4K | 0.00% | +8,012+358.0% | Added |
| Federated Hermes, Inc. | 10,341 | $755.0K | 0.00% | +10,266+13,688.0% | Added |
| Altfest L J & Co Inc | 10,898 | $795.7K | 0.09% | −172−1.6% | Reduced |
| Neo Ivy Capital Management | 10,960 | $800.2K | 0.13% | +1,116+11.3% | Added |
| KLP Kapitalforvaltning AS | 11,500 | $839.6K | 0.00% | +400+3.6% | Added |
| Los Angeles Capital Management LLC | 10,957 | $841.5K | 0.00% | +10,957 | New |
| Oregon Public Employees Retirement Fund | 12,058 | $880.4K | 0.01% | +187+1.6% | Added |
| Rafferty Asset Management, LLC | 12,158 | $887.7K | 0.00% | −632−4.9% | Reduced |
| XTX Topco Ltd | 12,182 | $889.4K | 0.02% | +12,182 | New |
| Natixis Advisors, L.P. | 12,991 | $948.0K | 0.00% | −45,567−77.8% | Reduced |
| STRS Ohio | 13,000 | $949.1K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,093 | $955.9K | 0.00% | −335−2.5% | Reduced |
| Defiance ETFs, LLC | 13,104 | $967.7K | 0.03% | +13,104 | New |
| Teachers Retirement System of the State of Kentucky | 13,396 | $978.0K | 0.01% | −1,275−8.7% | Reduced |
| State Board of Administration of Florida Retirement System | 14,269 | $1.04M | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 14,299 | $1.04M | 0.01% | −118−0.8% | Reduced |
| FIL Ltd | 14,598 | $1.07M | 0.00% | +402+2.8% | Added |
| Verition Fund Management LLC | 14,900 | $1.09M | 0.01% | +6,709+81.9% | Added |
| Arizona State Retirement System | 15,211 | $1.11M | 0.01% | +195+1.3% | Added |
| Amalgamated Bank | 15,299 | $1.12M | 0.01% | +49+0.3% | Added |
| Bridgewater Associates, LP | 15,469 | $1.13M | 0.00% | +15,469 | New |
| Toroso Investments, LLC | 16,285 | $1.19M | 0.00% | +13,013+397.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 16,307 | $1.19M | 0.00% | +775+5.0% | Added |
| Cookson Peirce & Co Inc | 16,538 | $1.21M | 0.05% | +631+4.0% | Added |
| M&T Bank Corp | 17,692 | $1.29M | 0.00% | −77−0.4% | Reduced |
| Sandler Capital Management | 17,800 | $1.30M | 0.58% | −828−4.4% | Reduced |
| State of Tennessee, Treasury Department | 14,222 | $1.34M | 0.00% | −6,534−31.5% | Reduced |
| Stifel Financial Corp | 18,515 | $1.35M | 0.00% | +2,163+13.2% | Added |
| Yousif Capital Management, LLC | 14,313 | $1.39M | 0.02% | −2,072−12.6% | Reduced |
| Captrust Financial Advisors | 19,165 | $1.40M | 0.00% | +5,426+39.5% | Added |