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, Q1 2025
Institutional positions in Mercury Systems Inc as of Mar 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
- 253
- +14 vs. Q4 2024
- Shares held
- 63.1M
- +450.3K (+0.7%) vs. Q4 2024
- Total value
- $2.72B
- +$87.3M (+3.3%) vs. Q4 2024
- New holders
- 45
- 81 more added
- Sold out
- 31
- 90 more reduced
4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,770,778 | $377.9M | 0.01% | −50,138−0.6% | Reduced |
| JANA Partners Management, LP | 6,941,565 | $299.1M | 15.45% | 00.0% | Unchanged |
| Vanguard Group Inc | 5,500,788 | $237.0M | 0.00% | −49,822−0.9% | Reduced |
| William Blair Investment Management, LLC | 5,372,198 | $231.5M | 0.65% | −1,060,403−16.5% | Reduced |
| State Street Corp | 2,987,185 | $128.7M | 0.01% | +50,944+1.7% | Added |
| Conestoga Capital Advisors, LLC | 2,258,186 | $97.3M | 1.47% | +185,369+8.9% | Added |
| Dimensional Fund Advisors LP | 2,044,217 | $88.1M | 0.02% | −157,907−7.2% | Reduced |
| Victory Capital Management Inc | 1,734,791 | $74.8M | 0.08% | −325,340−15.8% | Reduced |
| Geode Capital Management, LLC | 1,264,475 | $54.5M | 0.00% | +34,261+2.8% | Added |
| Bamco Inc | 1,196,046 | $51.5M | 0.15% | −5,278−0.4% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 1,180,391 | $50.9M | 0.20% | −22,276−1.9% | Reduced |
| Snyder Capital Management L P | 1,128,147 | $48.6M | 1.06% | −36,972−3.2% | Reduced |
| Neuberger Berman Group LLC | 1,063,338 | $46.0M | 0.04% | −6,280−0.6% | Reduced |
| Segall Bryant & Hamill, LLC | 1,025,622 | $44.2M | 0.68% | −245,199−19.3% | Reduced |
| First Trust Advisors LP | 944,025 | $40.7M | 0.04% | −44,911−4.5% | Reduced |
| Scopia Capital Management LP | 871,772 | $37.3M | 5.39% | −456,249−34.4% | Reduced |
| Goldman Sachs Group Inc | 855,441 | $36.9M | 0.01% | +290,989+51.6% | Added |
| FMR LLC | 838,140 | $36.1M | 0.00% | +282,146+50.7% | Added |
| Royal Bank of Canada | 762,406 | $32.9M | 0.01% | +5,170+0.7% | Added |
| Fisher Asset Management, LLC | 720,938 | $31.1M | 0.01% | +325,673+82.4% | Added |
| Millennium Management LLC | 684,004 | $29.5M | 0.03% | −339,504−33.2% | Reduced |
| Charles Schwab Investment Management Inc | 672,368 | $29.0M | 0.01% | −856−0.1% | Reduced |
| Invesco Ltd. | 610,687 | $26.3M | 0.00% | −21,274−3.4% | Reduced |
| Northern Trust Corp | 591,051 | $25.5M | 0.00% | −2,404−0.4% | Reduced |
| Van Eck Associates Corp | 583,998 | $25.2M | 0.03% | +286,889+96.6% | Added |
| UBS Group AG | 560,719 | $24.2M | 0.01% | +27,469+5.2% | Added |
| Morgan Stanley | 542,840 | $23.4M | 0.00% | +27,579+5.4% | Added |
| Marshall Wace, LLP | 536,163 | $23.1M | 0.03% | +239,255+80.6% | Added |
| MetLife Investment Management | 492,638 | $21.2M | 0.11% | +461,449+1,479.5% | Added |
| Staley Capital Advisers Inc | 473,130 | $20.4M | 0.92% | −14,950−3.1% | Reduced |
| WCM Investment Management, LLC | 442,153 | $18.9M | 0.05% | +361+0.1% | Added |
| Oberweis Asset Management Inc | 412,300 | $17.8M | 0.89% | +412,300 | New |
| Ameriprise Financial Inc | 376,814 | $16.2M | 0.00% | −15,544−4.0% | Reduced |
| Kennedy Capital Management, Inc. | 351,678 | $15.2M | 0.36% | −114,499−24.6% | Reduced |
| Aristotle Capital Boston, LLC | 330,687 | $14.2M | 0.71% | −99,434−23.1% | Reduced |
| Bank of New York Mellon Corp | 312,013 | $13.4M | 0.00% | −15,510−4.7% | Reduced |
| Principal Financial Group Inc | 274,954 | $11.8M | 0.01% | +29,074+11.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 266,901 | $11.5M | 0.02% | +91,930+52.5% | Added |
| Royce & Associates LP | 257,559 | $11.1M | 0.12% | −5,100−1.9% | Reduced |
| Bank of America Corp | 255,080 | $11.0M | 0.00% | −24,305−8.7% | Reduced |
| Loomis Sayles & Co L P | 235,394 | $10.1M | 0.01% | −16,514−6.6% | Reduced |
| Comerica Bank | 218,362 | $9.41M | 0.04% | +36,130+19.8% | Added |
| Nuveen, LLC | 203,095 | $8.75M | 0.00% | +203,095 | New |
| 13D Management LLC | 202,701 | $8.73M | 7.70% | −18,314−8.3% | Reduced |
| Citadel Advisors LLC | 189,435 | $8.16M | 0.01% | +176,722+1,390.1% | Added |
| SEI Investments Co | 170,756 | $7.36M | 0.01% | +26,570+18.4% | Added |
| Legal & General Group Plc | 161,893 | $6.98M | 0.00% | −2,012−1.2% | Reduced |
| Public Sector Pension Investment Board | 160,827 | $6.93M | 0.03% | +34,335+27.1% | Added |
| UBS Asset Management Americas Inc | 159,617 | $6.88M | 0.00% | +18,916+13.4% | Added |
| Two Sigma Investments, LP | 159,355 | $6.87M | 0.01% | −239,891−60.1% | Reduced |
| Rhumbline Advisers | 154,740 | $6.67M | 0.01% | −6,755−4.2% | Reduced |
| Barclays PLC | 152,787 | $6.58M | 0.00% | −39,810−20.7% | Reduced |
| Raymond James Financial Inc | 151,151 | $6.51M | 0.00% | +49,767+49.1% | Added |
| Verition Fund Management LLC | 150,630 | $6.49M | 0.04% | +129,951+628.4% | Added |
| Macquarie Group Ltd | 148,271 | $6.39M | 0.01% | +148,271 | New |
| Blair William & Co | 132,168 | $5.70M | 0.02% | −3,871−2.8% | Reduced |
| LPL Financial LLC | 129,295 | $5.49M | 0.00% | +76,549+145.1% | Added |
| Tudor Investment Corp Et Al | 122,631 | $5.28M | 0.05% | +122,631 | New |
| Trexquant Investment LP | 121,220 | $5.22M | 0.06% | +60,820+100.7% | Added |
| Citigroup Inc | 112,796 | $4.86M | 0.00% | +5,543+5.2% | Added |
| Swiss National Bank | 98,200 | $4.23M | 0.00% | −1,300−1.3% | Reduced |
| JPMorgan Chase & Co | 95,916 | $4.13M | 0.00% | −50,708−34.6% | Reduced |
| D. E. Shaw & Co., Inc. | 91,496 | $3.94M | 0.00% | −26,477−22.4% | Reduced |
| Intech Investment Management LLC | 76,848 | $3.31M | 0.03% | +51,168+199.3% | Added |
| Vident Advisory, LLC | 76,533 | $3.30M | 0.05% | +40,784+114.1% | Added |
| B. Metzler seel. Sohn & Co. AG | 76,501 | $3.30M | 0.03% | 00.0% | Unchanged |
| King Luther Capital Management Corp | 76,074 | $3.28M | 0.02% | −28,000−26.9% | Reduced |
| EAM Investors, LLC | 71,883 | $3.10M | 0.54% | +71,883 | New |
| Axiom Investors LLC | 67,625 | $2.91M | 0.03% | +67,625 | New |
| Mutual of America Capital Management LLC | 66,720 | $2.87M | 0.03% | −77−0.1% | Reduced |
| Boothbay Fund Management, LLC | 66,384 | $2.86M | 0.10% | −20,463−23.6% | Reduced |
| Alliancebernstein L.P. | 65,544 | $2.82M | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 63,924 | $2.75M | 0.00% | +7,718+13.7% | Added |
| American Century Companies Inc | 62,882 | $2.71M | 0.00% | +52,816+524.7% | Added |
| State of Wisconsin Investment Board | 61,979 | $2.67M | 0.01% | +51,324+481.7% | Added |
| New York State Teachers Retirement System | 59,911 | $2.58M | 0.01% | −200−0.3% | Reduced |
| Lisanti Capital Growth, LLC | 59,455 | $2.56M | 0.76% | +59,455 | New |
| Cerity Partners LLC | 57,334 | $2.47M | 0.01% | −130−0.2% | Reduced |
| Two Sigma Advisers, LP | 57,100 | $2.46M | 0.01% | −169,700−74.8% | Reduced |
| Deutsche Bank AG | 56,234 | $2.42M | 0.00% | −95,242−62.9% | Reduced |
| Zions Bancorporation, National Association | 54,729 | $2.36M | 0.15% | +54,729 | New |
| Jane Street Group, LLC | 50,769 | $2.19M | 0.00% | +36,237+249.4% | Added |
| Prudential Financial Inc | 50,015 | $2.16M | 0.00% | −1,900−3.7% | Reduced |
| Natixis | 49,361 | $2.08M | 0.01% | +43,981+817.5% | Added |
| California State Teachers Retirement System | 46,432 | $2.00M | 0.00% | −978−2.1% | Reduced |
| Rice Hall James & Associates, LLC | 46,238 | $1.99M | 0.12% | +46,238 | New |
| Algert Global LLC | 45,850 | $1.98M | 0.05% | +45,850 | New |
| Wells Fargo & Company | 45,137 | $1.94M | 0.00% | +452+1.0% | Added |
| Great West Life Assurance Co | 43,825 | $1.89M | 0.00% | −5,944−11.9% | Reduced |
| Moody National Bank Trust Division | 41,014 | $1.77M | 0.18% | −5,005−10.9% | Reduced |
| Price T Rowe Associates Inc | 40,946 | $1.76M | 0.00% | +3,086+8.2% | Added |
| Ironwood Investment Management LLC | 40,864 | $1.76M | 0.96% | −130−0.3% | Reduced |
| Russell Investments Group, Ltd. | 40,842 | $1.76M | 0.00% | +25,184+160.8% | Added |
| Quantinno Capital Management LP | 38,208 | $1.65M | 0.01% | +9,746+34.2% | Added |
| Thrivent Financial for Lutherans | 37,261 | $1.61M | 0.00% | −1,918−4.9% | Reduced |
| Jackson Creek Investment Advisors LLC | 35,236 | $1.52M | 0.48% | +35,236 | New |
| Oppenheimer & Co Inc | 33,190 | $1.43M | 0.02% | −1,260−3.7% | Reduced |
| Manufacturers Life Insurance Company, The | 30,484 | $1.31M | 0.00% | +1,033+3.5% | Added |
| State of Alaska, Department of Revenue | 28,109 | $1.21M | 0.01% | −698−2.4% | Reduced |
| Gotham Asset Management, LLC | 28,022 | $1.21M | 0.01% | +17,595+168.7% | Added |