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 |
|---|---|---|---|---|---|
| Zions Bancorporation, National Association | 58,286 | $3.14M | 0.17% | +3,557+6.5% | Added |
| Alliancebernstein L.P. | 59,745 | $3.22M | 0.00% | −5,799−8.8% | Reduced |
| New York State Teachers Retirement System | 59,911 | $3.23M | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 61,115 | $3.29M | 0.01% | −864−1.4% | Reduced |
| Marshall Wace, LLP | 67,916 | $3.66M | 0.00% | −468,247−87.3% | Reduced |
| Susquehanna International Group, LLP | 69,315 | $3.73M | 0.01% | +5,391+8.4% | Added |
| Great Lakes Advisors, LLC | 69,485 | $3.74M | 0.03% | +69,485 | New |
| D. E. Shaw & Co., Inc. | 72,924 | $3.93M | 0.00% | −18,572−20.3% | Reduced |
| Rice Hall James & Associates, LLC | 74,199 | $4.00M | 0.22% | +27,961+60.5% | Added |
| Select Equity Group, L.P. | 83,770 | $4.51M | 0.02% | +65,219+351.6% | Added |
| Russell Investments Group, Ltd. | 84,519 | $4.55M | 0.01% | +43,677+106.9% | Added |
| Citigroup Inc | 90,051 | $4.85M | 0.00% | −22,745−20.2% | Reduced |
| Tudor Investment Corp Et Al | 91,434 | $4.92M | 0.04% | −31,197−25.4% | Reduced |
| Castleark Management LLC | 92,800 | $5.00M | 0.15% | +92,800 | New |
| Lisanti Capital Growth, LLC | 94,205 | $5.07M | 1.41% | +34,750+58.4% | Added |
| Swiss National Bank | 96,900 | $5.22M | 0.00% | −1,300−1.3% | Reduced |
| Vident Advisory, LLC | 102,751 | $5.53M | 0.06% | +26,218+34.3% | Added |
| King Luther Capital Management Corp | 107,443 | $5.79M | 0.03% | +31,369+41.2% | Added |
| Trexquant Investment LP | 122,321 | $6.59M | 0.07% | +1,101+0.9% | Added |
| JPMorgan Chase & Co | 124,973 | $6.73M | 0.00% | +29,057+30.3% | Added |
| Blair William & Co | 125,047 | $6.74M | 0.02% | −7,121−5.4% | Reduced |
| LPL Financial LLC | 128,256 | $6.91M | 0.00% | −1,039−0.8% | Reduced |
| 13D Management LLC | 137,012 | $7.38M | 6.73% | −65,689−32.4% | Reduced |
| Axiom Investors LLC | 142,108 | $7.65M | 0.06% | +74,483+110.1% | Added |
| Two Sigma Investments, LP | 154,399 | $8.32M | 0.01% | −4,956−3.1% | Reduced |
| Rhumbline Advisers | 155,746 | $8.39M | 0.01% | +1,006+0.7% | Added |
| Macquarie Group Ltd | 157,470 | $8.48M | 0.01% | +9,199+6.2% | Added |
| Mutual of America Capital Management LLC | 157,856 | $8.50M | 0.09% | +91,136+136.6% | Added |
| Legal & General Group Plc | 164,243 | $8.85M | 0.00% | +2,350+1.5% | Added |
| Raymond James Financial Inc | 166,478 | $8.97M | 0.00% | +15,327+10.1% | Added |
| UBS Group AG | 168,332 | $9.07M | 0.00% | −392,387−70.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 179,111 | $9.07M | 0.02% | +179,111 | New |
| Verition Fund Management LLC | 172,250 | $9.28M | 0.05% | +21,620+14.4% | Added |
| Public Sector Pension Investment Board | 173,201 | $9.33M | 0.04% | +12,374+7.7% | Added |
| Nuveen, LLC | 183,749 | $9.90M | 0.00% | −19,346−9.5% | Reduced |
| SEI Investments Co | 190,599 | $10.3M | 0.01% | +19,843+11.6% | Added |
| Prudential Financial Inc | 193,175 | $10.4M | 0.01% | +143,160+286.2% | Added |
| Barclays PLC | 193,468 | $10.4M | 0.00% | +40,681+26.6% | Added |
| Driehaus Capital Management LLC | 218,346 | $11.8M | 0.09% | +218,346 | New |
| UBS Asset Management Americas Inc | 219,007 | $11.8M | 0.00% | +59,390+37.2% | Added |
| Royce & Associates LP | 235,459 | $12.7M | 0.13% | −22,100−8.6% | Reduced |
| Comerica Bank | 243,270 | $13.1M | 0.05% | +24,908+11.4% | Added |
| Emerald Mutual Fund Advisers Trust | 263,218 | $14.2M | 0.86% | +263,218 | New |
| Principal Financial Group Inc | 282,599 | $15.2M | 0.01% | +7,645+2.8% | Added |
| Citadel Advisors LLC | 296,977 | $16.0M | 0.01% | +107,542+56.8% | Added |
| Bank of America Corp | 300,540 | $16.2M | 0.00% | +45,460+17.8% | Added |
| Bank of New York Mellon Corp | 312,822 | $16.8M | 0.00% | +809+0.3% | Added |
| Aristotle Capital Boston, LLC | 315,550 | $17.0M | 0.87% | −15,137−4.6% | Reduced |
| WCM Investment Management, LLC | 354,684 | $18.9M | 0.04% | −87,469−19.8% | Reduced |
| Silvercrest Asset Management Group LLC | 387,119 | $20.9M | 0.14% | +387,119 | New |
| MetLife Investment Management | 393,013 | $21.2M | 0.12% | −99,625−20.2% | Reduced |
| Oberweis Asset Management Inc | 398,500 | $21.5M | 0.93% | −13,800−3.3% | Reduced |
| Ameriprise Financial Inc | 415,809 | $22.4M | 0.01% | +38,995+10.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 423,483 | $22.8M | 0.04% | +156,582+58.7% | Added |
| Scopia Capital Management LP | 446,623 | $24.1M | 2.94% | −425,149−48.8% | Reduced |
| Emerald Advisers, LLC | 456,713 | $24.6M | 0.90% | +456,713 | New |
| Staley Capital Advisers Inc | 470,130 | $25.3M | 1.08% | −3,000−0.6% | Reduced |
| Millennium Management LLC | 508,418 | $27.4M | 0.02% | −175,586−25.7% | Reduced |
| Kennedy Capital Management, Inc. | 530,933 | $28.6M | 0.68% | +179,255+51.0% | Added |
| Northern Trust Corp | 546,922 | $29.5M | 0.00% | −44,129−7.5% | Reduced |
| Lord, Abbett & Co. LLC | 552,646 | $29.8M | 0.10% | +552,646 | New |
| Invesco Ltd. | 583,707 | $31.4M | 0.01% | −26,980−4.4% | Reduced |
| Charles Schwab Investment Management Inc | 640,950 | $34.5M | 0.01% | −31,418−4.7% | Reduced |
| Van Eck Associates Corp | 708,560 | $38.2M | 0.04% | +124,562+21.3% | Added |
| Fisher Asset Management, LLC | 721,333 | $38.9M | 0.02% | +395+0.1% | Added |
| Royal Bank of Canada | 766,098 | $41.3M | 0.01% | +3,692+0.5% | Added |
| First Trust Advisors LP | 781,009 | $42.1M | 0.03% | −163,016−17.3% | Reduced |
| Morgan Stanley | 928,171 | $50.0M | 0.00% | +385,331+71.0% | Added |
| Snyder Capital Management L P | 957,902 | $51.6M | 1.10% | −170,245−15.1% | Reduced |
| T. Rowe Price Investment Management, Inc. | 968,815 | $52.2M | 0.03% | +968,815 | New |
| Loomis Sayles & Co L P | 992,610 | $53.5M | 0.07% | +757,216+321.7% | Added |
| Segall Bryant & Hamill, LLC | 999,185 | $53.8M | 0.76% | −26,437−2.6% | Reduced |
| Neuberger Berman Group LLC | 1,056,420 | $56.9M | 0.04% | −6,918−0.7% | Reduced |
| Goldman Sachs Group Inc | 1,056,914 | $56.9M | 0.01% | +201,473+23.6% | Added |
| FMR LLC | 1,169,092 | $63.0M | 0.00% | +330,952+39.5% | Added |
| Bamco Inc | 1,234,801 | $66.5M | 0.18% | +38,755+3.2% | Added |
| Geode Capital Management, LLC | 1,265,010 | $68.1M | 0.00% | +5350.0% | Added |
| Victory Capital Management Inc | 1,761,301 | $94.9M | 0.06% | +26,510+1.5% | Added |
| Dimensional Fund Advisors LP | 1,831,375 | $98.6M | 0.02% | −212,842−10.4% | Reduced |
| Conestoga Capital Advisors, LLC | 2,558,935 | $137.8M | 2.04% | +300,749+13.3% | Added |
| State Street Corp | 3,246,573 | $174.9M | 0.01% | +259,388+8.7% | Added |
| William Blair Investment Management, LLC | 4,695,683 | $252.9M | 0.67% | −676,515−12.6% | Reduced |
| Vanguard Group Inc | 5,509,940 | $296.8M | 0.00% | +9,152+0.2% | Added |
| JANA Partners Management, LP | 6,753,413 | $363.7M | 18.27% | −188,152−2.7% | Reduced |
| BlackRock, Inc. | 8,248,969 | $444.3M | 0.01% | −521,809−5.9% | Reduced |
| EAM Investors, LLC | 0 | $0 | 0.00% | −71,883−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −50,769−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −49,361−100.0% | Sold out |
| Jackson Creek Investment Advisors LLC | 0 | $0 | 0.00% | −35,236−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −27,116−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −22,609−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −17,973−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −16,848−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −16,400−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −15,721−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −13,418−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −12,298−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −6,847−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −6,652−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −5,892−100.0% | Sold out |