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, 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 | 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, 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 |
|---|---|---|---|---|---|
| Two Sigma Advisers, LP | 21,100 | $1.54M | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 21,187 | $1.55M | 0.00% | +10,015+89.6% | Added |
| Oppenheimer & Co Inc | 21,800 | $1.59M | 0.02% | −8,218−27.4% | Reduced |
| SG Americas Securities, LLC | 22,227 | $1.62M | 0.00% | +11,123+100.2% | Added |
| Integrated Quantitative Investments LLC | 23,036 | $1.68M | 0.36% | +23,036 | New |
| Janus Henderson Group PLC | 23,484 | $1.72M | 0.00% | +3,059+15.0% | Added |
| Great Lakes Advisors, LLC | 23,507 | $1.72M | 0.01% | −11,110−32.1% | Reduced |
| Envestnet Asset Management Inc | 24,147 | $1.76M | 0.00% | +4,366+22.1% | Added |
| Louisiana State Employees Retirement System | 24,200 | $1.77M | 0.03% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 26,111 | $1.91M | 0.00% | −1,409−5.1% | Reduced |
| Vestmark Advisory Solutions, Inc. | 26,161 | $1.91M | 0.03% | +26,161 | New |
| Illinois Municipal Retirement Fund | 26,540 | $1.94M | 0.02% | +1,544+6.2% | Added |
| Sterling Capital Management LLC | 27,154 | $1.98M | 0.03% | −7,507−21.7% | Reduced |
| HRT Financial LP | 28,051 | $2.05M | 0.01% | −5,281−15.8% | Reduced |
| Quantbot Technologies LP | 28,194 | $2.06M | 0.07% | +28,194 | New |
| Cresset Asset Management, LLC | 28,874 | $2.11M | 0.01% | +4,832+20.1% | Added |
| Future Fund LLC | 29,280 | $2.14M | 0.75% | +8,893+43.6% | Added |
| One Capital Management, LLC | 29,300 | $2.14M | 0.06% | +8,893+43.6% | Added |
| Creative Planning | 29,397 | $2.15M | 0.00% | +4,583+18.5% | Added |
| Moody National Bank Trust Division | 29,828 | $2.18M | 0.21% | 00.0% | Unchanged |
| Pathstone Holdings, LLC | 30,606 | $2.23M | 0.01% | +201+0.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 31,022 | $2.26M | 0.08% | +3,226+11.6% | Added |
| Bouvel Investment Partners, LLC | 31,283 | $2.28M | 0.66% | −176−0.6% | Reduced |
| State of New Jersey Common Pension Fund D | 31,747 | $2.32M | 0.01% | −658−2.0% | Reduced |
| TD Asset Management Inc | 32,540 | $2.38M | 0.00% | +1,586+5.1% | Added |
| Thrivent Financial for Lutherans | 36,341 | $2.65M | 0.00% | −1,697−4.5% | Reduced |
| Marshall Wace, LLP | 36,821 | $2.69M | 0.00% | +36,821 | New |
| Summit Trail Advisors, LLC | 38,005 | $2.77M | 0.05% | +21,802+134.6% | Added |
| Gotham Asset Management, LLC | 38,214 | $2.79M | 0.01% | +19,760+107.1% | Added |
| Swedbank AB | 38,349 | $2.80M | 0.00% | +33,684+722.1% | Added |
| State of Alaska, Department of Revenue | 38,442 | $2.81M | 0.03% | +8,365+27.8% | Added |
| Ironwood Investment Management LLC | 39,394 | $2.88M | 1.21% | −54−0.1% | Reduced |
| Legato Capital Management LLC | 41,396 | $3.02M | 0.26% | +17,311+71.9% | Added |
| AQR Capital Management LLC | 41,776 | $3.05M | 0.00% | +7,447+21.7% | Added |
| Manatuck Hill Partners, LLC | 45,000 | $3.29M | 1.15% | +45,000 | New |
| Great West Life Assurance Co | 45,327 | $3.31M | 0.01% | +1,286+2.9% | Added |
| B. Metzler seel. Sohn & Co. AG | 45,347 | $3.31M | 0.03% | −12,544−21.7% | Reduced |
| Portolan Capital Management, LLC | 46,348 | $3.38M | 0.18% | +1,484+3.3% | Added |
| Edgestream Partners, L.P. | 47,170 | $3.44M | 0.10% | +16,072+51.7% | Added |
| Zions Bancorporation, National Association | 47,415 | $3.46M | 0.16% | −3,281−6.5% | Reduced |
| Rice Hall James & Associates, LLC | 48,817 | $3.56M | 0.20% | −4,523−8.5% | Reduced |
| Calamos Advisors LLC | 49,844 | $3.64M | 0.01% | −4,189−7.8% | Reduced |
| California State Teachers Retirement System | 51,224 | $3.74M | 0.00% | +2,697+5.6% | Added |
| Qube Research & Technologies Ltd | 51,499 | $3.76M | 0.01% | +25,969+101.7% | Added |
| Citigroup Inc | 53,538 | $3.91M | 0.00% | −5,520−9.3% | Reduced |
| State of Wisconsin Investment Board | 56,188 | $4.10M | 0.01% | −8,374−13.0% | Reduced |
| Pier Capital, LLC | 56,727 | $4.14M | 0.66% | −2,840−4.8% | Reduced |
| D. E. Shaw & Co., Inc. | 58,555 | $4.28M | 0.00% | +4,446+8.2% | Added |
| Cerity Partners LLC | 59,556 | $4.35M | 0.01% | +3,754+6.7% | Added |
| New York State Teachers Retirement System | 59,911 | $4.37M | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 60,816 | $4.44M | 0.00% | +3,391+5.9% | Added |
| Candelo Capital Management LP | 64,226 | $4.69M | 4.28% | +48,926+319.8% | Added |
| LPL Financial LLC | 64,423 | $4.70M | 0.00% | +12,908+25.1% | Added |
| Quantinno Capital Management LP | 66,606 | $4.86M | 0.01% | +13,875+26.3% | Added |
| Loup Funds, LLC | 67,461 | $4.93M | 1.43% | +67,461 | New |
| Intech Investment Management LLC | 67,627 | $4.94M | 0.04% | +34,036+101.3% | Added |
| Nordea Investment Management AB | 67,386 | $4.95M | 0.00% | +67,386 | New |
| Tudor Investment Corp Et Al | 69,178 | $5.05M | 0.03% | +29,255+73.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 70,268 | $5.13M | 0.01% | −92,518−56.8% | Reduced |
| Archon Capital Management LLC | 74,600 | $5.45M | 3.10% | +50,000+203.3% | Added |
| Select Equity Group, L.P. | 77,821 | $5.68M | 0.03% | −26,027−25.1% | Reduced |
| Penserra Capital Management LLC | 80,565 | $5.88M | 0.07% | +78,693+4,203.7% | Added |
| Blair William & Co | 83,772 | $6.12M | 0.02% | +3,252+4.0% | Added |
| Russell Investments Group, Ltd. | 89,794 | $6.56M | 0.01% | −10,687−10.6% | Reduced |
| Lisanti Capital Growth, LLC | 94,265 | $6.88M | 1.63% | −3,360−3.4% | Reduced |
| 13D Management LLC | 103,762 | $7.58M | 9.01% | −33,250−24.3% | Reduced |
| Citadel Advisors LLC | 104,376 | $7.62M | 0.01% | −46,198−30.7% | Reduced |
| Swiss National Bank | 106,500 | $7.78M | 0.00% | +8,100+8.2% | Added |
| JPMorgan Chase & Co | 109,132 | $7.97M | 0.00% | −72,641−40.0% | Reduced |
| UBS Asset Management Americas Inc | 115,635 | $8.44M | 0.00% | +907+0.8% | Added |
| Castleark Management LLC | 118,458 | $8.65M | 0.25% | +16,990+16.7% | Added |
| Vident Advisory, LLC | 121,888 | $8.90M | 0.08% | +3,382+2.9% | Added |
| Agman Capital LLC | 122,836 | $8.97M | 7.63% | +122,836 | New |
| Deutsche Bank AG | 128,705 | $9.40M | 0.00% | +83,607+185.4% | Added |
| New York State Common Retirement Fund | 139,282 | $10.2M | 0.01% | +8,691+6.7% | Added |
| Peregrine Capital Management LLC | 142,178 | $10.4M | 0.32% | +140,044+6,562.5% | Added |
| Rhumbline Advisers | 142,339 | $10.4M | 0.01% | −14,266−9.1% | Reduced |
| Heights Point Management, LP | 143,068 | $10.4M | 8.91% | +143,068 | New |
| Cinctive Capital Management LP | 147,444 | $10.8M | 0.62% | +147,444 | New |
| Wells Fargo & Company | 148,989 | $10.9M | 0.00% | +86,482+138.4% | Added |
| Barclays PLC | 149,172 | $10.9M | 0.00% | +2,301+1.6% | Added |
| Two Sigma Investments, LP | 150,177 | $11.0M | 0.02% | +77,142+105.6% | Added |
| Legal & General Group Plc | 160,874 | $11.7M | 0.00% | −4,602−2.8% | Reduced |
| Staley Capital Advisers Inc | 161,100 | $11.8M | 0.48% | −250,210−60.8% | Reduced |
| BNP Paribas Arbitrage, SA | 164,463 | $12.0M | 0.01% | +145,717+777.3% | Added |
| Prudential Financial Inc | 166,138 | $12.1M | 0.01% | +38,918+30.6% | Added |
| Nomura Asset Management International Inc. | 178,681 | $13.0M | 0.02% | +178,681 | New |
| Freshford Capital Management, LLC | 182,425 | $13.3M | 5.34% | +182,425 | New |
| Public Sector Pension Investment Board | 183,033 | $13.4M | 0.05% | −22,611−11.0% | Reduced |
| Axiom Investors LLC | 183,144 | $13.4M | 0.12% | −64,684−26.1% | Reduced |
| Man Group plc | 192,033 | $14.0M | 0.03% | +192,033 | New |
| Penn Capital Management Co Inc | 191,883 | $14.0M | 1.12% | +7,729+4.2% | Added |
| Royce & Associates LP | 197,079 | $14.4M | 0.15% | −11,380−5.5% | Reduced |
| King Luther Capital Management Corp | 202,643 | $14.8M | 0.06% | +98,398+94.4% | Added |
| Franklin Resources Inc | 208,449 | $15.2M | 0.00% | +184,458+768.9% | Added |
| Mutual of America Capital Management LLC | 219,363 | $16.0M | 0.17% | −6,011−2.7% | Reduced |
| Victory Capital Management Inc | 227,533 | $16.6M | 0.01% | −522,788−69.7% | Reduced |
| American Century Companies Inc | 238,932 | $17.4M | 0.01% | +233,013+3,936.7% | Added |
| Bank of America Corp | 246,737 | $18.0M | 0.00% | −5,750−2.3% | Reduced |
| UBS Group AG | 251,229 | $18.3M | 0.00% | +10,880+4.5% | Added |