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, Q2 2025
Institutional positions in Mercury Systems Inc as of Jun 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
- 285
- +34 vs. Q1 2025
- Shares held
- 65.0M
- +1.92M (+3.0%) vs. Q1 2025
- Total value
- $3.50B
- +$782.6M (+28.8%) vs. Q1 2025
- New holders
- 56
- 117 more added
- Sold out
- 22
- 73 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,248,969 | $444.3M | 0.01% | −521,809−5.9% | Reduced |
| JANA Partners Management, LP | 6,753,413 | $363.7M | 18.27% | −188,152−2.7% | Reduced |
| Vanguard Group Inc | 5,509,940 | $296.8M | 0.00% | +9,152+0.2% | Added |
| William Blair Investment Management, LLC | 4,695,683 | $252.9M | 0.67% | −676,515−12.6% | Reduced |
| State Street Corp | 3,246,573 | $174.9M | 0.01% | +259,388+8.7% | Added |
| Conestoga Capital Advisors, LLC | 2,558,935 | $137.8M | 2.04% | +300,749+13.3% | Added |
| Dimensional Fund Advisors LP | 1,831,375 | $98.6M | 0.02% | −212,842−10.4% | Reduced |
| Victory Capital Management Inc | 1,761,301 | $94.9M | 0.06% | +26,510+1.5% | Added |
| Geode Capital Management, LLC | 1,265,010 | $68.1M | 0.00% | +5350.0% | Added |
| Bamco Inc | 1,234,801 | $66.5M | 0.18% | +38,755+3.2% | Added |
| FMR LLC | 1,169,092 | $63.0M | 0.00% | +330,952+39.5% | Added |
| Goldman Sachs Group Inc | 1,056,914 | $56.9M | 0.01% | +201,473+23.6% | Added |
| Neuberger Berman Group LLC | 1,056,420 | $56.9M | 0.04% | −6,918−0.7% | Reduced |
| Segall Bryant & Hamill, LLC | 999,185 | $53.8M | 0.76% | −26,437−2.6% | Reduced |
| Loomis Sayles & Co L P | 992,610 | $53.5M | 0.07% | +757,216+321.7% | Added |
| T. Rowe Price Investment Management, Inc. | 968,815 | $52.2M | 0.03% | +968,815 | New |
| Snyder Capital Management L P | 957,902 | $51.6M | 1.10% | −170,245−15.1% | Reduced |
| Morgan Stanley | 928,171 | $50.0M | 0.00% | +385,331+71.0% | Added |
| First Trust Advisors LP | 781,009 | $42.1M | 0.03% | −163,016−17.3% | Reduced |
| Royal Bank of Canada | 766,098 | $41.3M | 0.01% | +3,692+0.5% | Added |
| Fisher Asset Management, LLC | 721,333 | $38.9M | 0.02% | +395+0.1% | Added |
| Van Eck Associates Corp | 708,560 | $38.2M | 0.04% | +124,562+21.3% | Added |
| Charles Schwab Investment Management Inc | 640,950 | $34.5M | 0.01% | −31,418−4.7% | Reduced |
| Invesco Ltd. | 583,707 | $31.4M | 0.01% | −26,980−4.4% | Reduced |
| Lord, Abbett & Co. LLC | 552,646 | $29.8M | 0.10% | +552,646 | New |
| Northern Trust Corp | 546,922 | $29.5M | 0.00% | −44,129−7.5% | Reduced |
| Kennedy Capital Management, Inc. | 530,933 | $28.6M | 0.68% | +179,255+51.0% | Added |
| Millennium Management LLC | 508,418 | $27.4M | 0.02% | −175,586−25.7% | Reduced |
| Staley Capital Advisers Inc | 470,130 | $25.3M | 1.08% | −3,000−0.6% | Reduced |
| Emerald Advisers, LLC | 456,713 | $24.6M | 0.90% | +456,713 | New |
| Scopia Capital Management LP | 446,623 | $24.1M | 2.94% | −425,149−48.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 423,483 | $22.8M | 0.04% | +156,582+58.7% | Added |
| Ameriprise Financial Inc | 415,809 | $22.4M | 0.01% | +38,995+10.3% | Added |
| Oberweis Asset Management Inc | 398,500 | $21.5M | 0.93% | −13,800−3.3% | Reduced |
| MetLife Investment Management | 393,013 | $21.2M | 0.12% | −99,625−20.2% | Reduced |
| Silvercrest Asset Management Group LLC | 387,119 | $20.9M | 0.14% | +387,119 | New |
| WCM Investment Management, LLC | 354,684 | $18.9M | 0.04% | −87,469−19.8% | Reduced |
| Aristotle Capital Boston, LLC | 315,550 | $17.0M | 0.87% | −15,137−4.6% | Reduced |
| Bank of New York Mellon Corp | 312,822 | $16.8M | 0.00% | +809+0.3% | Added |
| Bank of America Corp | 300,540 | $16.2M | 0.00% | +45,460+17.8% | Added |
| Citadel Advisors LLC | 296,977 | $16.0M | 0.01% | +107,542+56.8% | Added |
| Principal Financial Group Inc | 282,599 | $15.2M | 0.01% | +7,645+2.8% | Added |
| Emerald Mutual Fund Advisers Trust | 263,218 | $14.2M | 0.86% | +263,218 | New |
| Comerica Bank | 243,270 | $13.1M | 0.05% | +24,908+11.4% | Added |
| Royce & Associates LP | 235,459 | $12.7M | 0.13% | −22,100−8.6% | Reduced |
| UBS Asset Management Americas Inc | 219,007 | $11.8M | 0.00% | +59,390+37.2% | Added |
| Driehaus Capital Management LLC | 218,346 | $11.8M | 0.09% | +218,346 | New |
| Barclays PLC | 193,468 | $10.4M | 0.00% | +40,681+26.6% | Added |
| Prudential Financial Inc | 193,175 | $10.4M | 0.01% | +143,160+286.2% | Added |
| SEI Investments Co | 190,599 | $10.3M | 0.01% | +19,843+11.6% | Added |
| Nuveen, LLC | 183,749 | $9.90M | 0.00% | −19,346−9.5% | Reduced |
| Public Sector Pension Investment Board | 173,201 | $9.33M | 0.04% | +12,374+7.7% | Added |
| Verition Fund Management LLC | 172,250 | $9.28M | 0.05% | +21,620+14.4% | Added |
| Allspring Global Investments Holdings, LLC | 179,111 | $9.07M | 0.02% | +179,111 | New |
| UBS Group AG | 168,332 | $9.07M | 0.00% | −392,387−70.0% | Reduced |
| Raymond James Financial Inc | 166,478 | $8.97M | 0.00% | +15,327+10.1% | Added |
| Legal & General Group Plc | 164,243 | $8.85M | 0.00% | +2,350+1.5% | Added |
| Mutual of America Capital Management LLC | 157,856 | $8.50M | 0.09% | +91,136+136.6% | Added |
| Macquarie Group Ltd | 157,470 | $8.48M | 0.01% | +9,199+6.2% | Added |
| Rhumbline Advisers | 155,746 | $8.39M | 0.01% | +1,006+0.7% | Added |
| Two Sigma Investments, LP | 154,399 | $8.32M | 0.01% | −4,956−3.1% | Reduced |
| Axiom Investors LLC | 142,108 | $7.65M | 0.06% | +74,483+110.1% | Added |
| 13D Management LLC | 137,012 | $7.38M | 6.73% | −65,689−32.4% | Reduced |
| LPL Financial LLC | 128,256 | $6.91M | 0.00% | −1,039−0.8% | Reduced |
| Blair William & Co | 125,047 | $6.74M | 0.02% | −7,121−5.4% | Reduced |
| JPMorgan Chase & Co | 124,973 | $6.73M | 0.00% | +29,057+30.3% | Added |
| Trexquant Investment LP | 122,321 | $6.59M | 0.07% | +1,101+0.9% | Added |
| King Luther Capital Management Corp | 107,443 | $5.79M | 0.03% | +31,369+41.2% | Added |
| Vident Advisory, LLC | 102,751 | $5.53M | 0.06% | +26,218+34.3% | Added |
| Swiss National Bank | 96,900 | $5.22M | 0.00% | −1,300−1.3% | Reduced |
| Lisanti Capital Growth, LLC | 94,205 | $5.07M | 1.41% | +34,750+58.4% | Added |
| Castleark Management LLC | 92,800 | $5.00M | 0.15% | +92,800 | New |
| Tudor Investment Corp Et Al | 91,434 | $4.92M | 0.04% | −31,197−25.4% | Reduced |
| Citigroup Inc | 90,051 | $4.85M | 0.00% | −22,745−20.2% | Reduced |
| Russell Investments Group, Ltd. | 84,519 | $4.55M | 0.01% | +43,677+106.9% | Added |
| Select Equity Group, L.P. | 83,770 | $4.51M | 0.02% | +65,219+351.6% | Added |
| Rice Hall James & Associates, LLC | 74,199 | $4.00M | 0.22% | +27,961+60.5% | Added |
| D. E. Shaw & Co., Inc. | 72,924 | $3.93M | 0.00% | −18,572−20.3% | Reduced |
| Great Lakes Advisors, LLC | 69,485 | $3.74M | 0.03% | +69,485 | New |
| Susquehanna International Group, LLP | 69,315 | $3.73M | 0.01% | +5,391+8.4% | Added |
| Marshall Wace, LLP | 67,916 | $3.66M | 0.00% | −468,247−87.3% | Reduced |
| State of Wisconsin Investment Board | 61,115 | $3.29M | 0.01% | −864−1.4% | Reduced |
| New York State Teachers Retirement System | 59,911 | $3.23M | 0.01% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 59,745 | $3.22M | 0.00% | −5,799−8.8% | Reduced |
| Zions Bancorporation, National Association | 58,286 | $3.14M | 0.17% | +3,557+6.5% | Added |
| Kettle Hill Capital Management, LLC | 57,905 | $3.12M | 0.72% | +57,905 | New |
| B. Metzler seel. Sohn & Co. AG | 57,891 | $3.12M | 0.03% | −18,610−24.3% | Reduced |
| Cerity Partners LLC | 57,552 | $3.10M | 0.01% | +218+0.4% | Added |
| Natixis Advisors, L.P. | 57,347 | $3.09M | 0.00% | +30,705+115.3% | Added |
| Calamos Advisors LLC | 54,954 | $2.96M | 0.01% | +35,270+179.2% | Added |
| Wells Fargo & Company | 50,761 | $2.73M | 0.00% | +5,624+12.5% | Added |
| Neo Ivy Capital Management | 50,632 | $2.73M | 0.87% | +50,632 | New |
| Archon Capital Management LLC | 49,600 | $2.67M | 2.19% | +49,600 | New |
| California State Teachers Retirement System | 46,848 | $2.52M | 0.00% | +416+0.9% | Added |
| Squarepoint Ops LLC | 45,871 | $2.47M | 0.01% | +36,807+406.1% | Added |
| Price T Rowe Associates Inc | 43,988 | $2.37M | 0.00% | +3,042+7.4% | Added |
| Gotham Asset Management, LLC | 42,769 | $2.30M | 0.01% | +14,747+52.6% | Added |
| Great West Life Assurance Co | 42,446 | $2.29M | 0.00% | −1,379−3.1% | Reduced |
| Moody National Bank Trust Division | 41,014 | $2.21M | 0.20% | 00.0% | Unchanged |
| Deutsche Bank AG | 40,304 | $2.17M | 0.00% | −15,930−28.3% | Reduced |