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 11 sales; 392 institutions reported holding it in 13F filings for Q2 2026, worth $8.01B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Mercury Systems Inc as of Jun 30, 2026. 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
- 392
- +41 vs. Q1 2026
- Shares held
- 65.6M
- +496.7K (+0.8%) vs. Q1 2026
- Total value
- $8.01B
- +$3.27B (+68.9%) vs. Q1 2026
- New holders
- 85
- 128 more added
- Sold out
- 44
- 132 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $4.74B |
| Q3 2025 | 326 | $5.04B |
| Q2 2025 | 285 | $3.54B |
| Q1 2025 | 253 | $2.72B |
| Q4 2024 | 243 | $2.66B |
| Q3 2024 | 245 | $2.33B |
| Q2 2024 | 232 | $1.75B |
| Q1 2024 | 222 | $1.87B |
| Q4 2023 | 219 | $2.24B |
| Q3 2023 | 217 | $2.22B |
| Q2 2023 | 236 | $1.95B |
| Q1 2023 | 245 | $2.97B |
| Q4 2022 | 236 | $2.61B |
| Q3 2022 | 236 | $2.33B |
| Q2 2022 | 254 | $3.65B |
| Q1 2022 | 253 | $3.77B |
| Q4 2021 | 252 | $3.15B |
| Q3 2021 | 251 | $2.51B |
| Q2 2021 | 255 | $3.48B |
| Q1 2021 | 282 | $3.75B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,370,902 | $1.15B | 0.02% | +450,577+5.1% | Added |
| JANA Partners Management, LP | 3,958,849 | $484.3M | 25.46% | −148,575−3.6% | Reduced |
| State Street Corp | 3,418,290 | $418.0M | 0.01% | −447,429−11.6% | Reduced |
| Vanguard Portfolio Management LLC | 3,031,459 | $370.8M | 0.02% | +120,555+4.1% | Added |
| Invesco Ltd. | 2,669,450 | $326.6M | 0.03% | +227,872+9.3% | Added |
| Vanguard Capital Management LLC | 2,422,629 | $296.4M | 0.01% | +18,811+0.8% | Added |
| FMR LLC | 1,842,103 | $225.3M | 0.01% | +938,435+103.8% | Added |
| T. Rowe Price Investment Management, Inc. | 1,595,711 | $195.2M | 0.13% | +15,879+1.0% | Added |
| Goldman Sachs Group Inc | 1,575,727 | $192.8M | 0.02% | +374,615+31.2% | Added |
| Conestoga Capital Advisors, LLC | 1,487,191 | $181.9M | 3.96% | −431,400−22.5% | Reduced |
| Geode Capital Management, LLC | 1,459,574 | $178.6M | 0.01% | −66,142−4.3% | Reduced |
| First Trust Advisors LP | 1,298,957 | $158.9M | 0.09% | +138,182+11.9% | Added |
| Price T Rowe Associates Inc | 1,285,569 | $157.3M | 0.02% | +256,960+25.0% | Added |
| Dimensional Fund Advisors LP | 1,156,682 | $141.4M | 0.03% | −71,293−5.8% | Reduced |
| Segall Bryant & Hamill, LLC | 1,029,491 | $125.9M | 1.49% | +94,667+10.1% | Added |
| Fisher Asset Management, LLC | 944,069 | $115.5M | 0.03% | −36,298−3.7% | Reduced |
| Franklin Resources Inc | 846,732 | $103.6M | 0.02% | +393,099+86.7% | Added |
| Neuberger Berman Group LLC | 841,556 | $102.1M | 0.07% | −68,862−7.6% | Reduced |
| Morgan Stanley | 811,565 | $99.3M | 0.01% | +140,234+20.9% | Added |
| Wellington Management Group LLP | 775,502 | $94.9M | 0.02% | +19,977+2.6% | Added |
| Van Eck Associates Corp | 762,994 | $93.3M | 0.06% | −88,151−10.4% | Reduced |
| Raymond James Financial Inc | 748,808 | $91.6M | 0.02% | −45,221−5.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 715,977 | $87.6M | 0.10% | −143,470−16.7% | Reduced |
| Loomis Sayles & Co L P | 681,142 | $83.3M | 0.10% | +35,210+5.5% | Added |
| American Century Companies Inc | 664,960 | $81.3M | 0.04% | +82,065+14.1% | Added |
| Lord, Abbett & Co. LLC | 661,714 | $80.9M | 0.23% | +19,248+3.0% | Added |
| Emerald Advisers, LLC | 638,682 | $78.1M | 1.84% | +43,368+7.3% | Added |
| Charles Schwab Investment Management Inc | 627,581 | $76.8M | 0.01% | −8,389−1.3% | Reduced |
| Bamco Inc | 606,919 | $74.2M | 0.11% | −38,147−5.9% | Reduced |
| Northern Trust Corp | 597,751 | $73.1M | 0.01% | +49,688+9.1% | Added |
| Kennedy Capital Management, Inc. | 591,802 | $72.4M | 1.28% | +2,553+0.4% | Added |
| Snyder Capital Management L P | 566,155 | $69.3M | 1.20% | −14,499−2.5% | Reduced |
| Ameriprise Financial Inc | 499,207 | $61.1M | 0.01% | −492,601−49.7% | Reduced |
| Driehaus Capital Management LLC | 487,921 | $59.7M | 0.35% | +193,293+65.6% | Added |
| American Capital Management Inc | 486,064 | $59.5M | 2.67% | +486,064 | New |
| Allspring Global Investments Holdings, LLC | 474,866 | $58.4M | 0.09% | −98,590−17.2% | Reduced |
| Bessemer Group Inc | 456,829 | $55.9M | 0.08% | +7,140+1.6% | Added |
| Emerald Mutual Fund Advisers Trust | 412,354 | $50.4M | 1.77% | +36,882+9.8% | Added |
| Voya Investment Management LLC | 410,076 | $50.2M | 0.04% | −199,180−32.7% | Reduced |
| Royal Bank of Canada | 394,081 | $48.2M | 0.01% | −138,606−26.0% | Reduced |
| Oberweis Asset Management Inc | 392,723 | $48.0M | 0.99% | +1,700+0.4% | Added |
| Vanguard Fiduciary Trust Co | 382,819 | $46.8M | 0.01% | +33,594+9.6% | Added |
| William Blair Investment Management, LLC | 379,732 | $46.5M | 0.14% | +52,444+16.0% | Added |
| Artisan Partners Limited Partnership | 372,818 | $45.6M | 0.07% | +18,553+5.2% | Added |
| Jennison Associates LLC | 354,894 | $43.4M | 0.03% | −333,220−48.4% | Reduced |
| Bank of New York Mellon Corp | 314,217 | $38.4M | 0.01% | −182−0.1% | Reduced |
| Silvercrest Asset Management Group LLC | 285,581 | $34.9M | 0.23% | −24,587−7.9% | Reduced |
| UBS Group AG | 274,799 | $33.6M | 0.01% | +41,728+17.9% | Added |
| SEI Investments Co | 261,712 | $32.0M | 0.03% | −109,280−29.5% | Reduced |
| Principal Financial Group Inc | 258,561 | $31.6M | 0.02% | +1,461+0.6% | Added |
| Swedbank AB | 244,299 | $29.9M | 0.03% | +189,040+342.1% | Added |
| Aristotle Capital Boston, LLC | 244,228 | $29.9M | 2.00% | −22,189−8.3% | Reduced |
| Royce & Associates LP | 238,327 | $29.2M | 0.23% | +18,347+8.3% | Added |
| King Luther Capital Management Corp | 228,825 | $28.0M | 0.11% | +18,788+8.9% | Added |
| Bank of America Corp | 223,533 | $27.3M | 0.00% | −71,385−24.2% | Reduced |
| Fifth Third Bancorp | 222,392 | $27.2M | 0.04% | −44,709−16.7% | Reduced |
| Thrivent Financial for Lutherans | 207,034 | $25.3M | 0.04% | +67,177+48.0% | Added |
| Axiom Investors LLC | 204,433 | $25.0M | 0.22% | −6,635−3.1% | Reduced |
| Mutual of America Capital Management LLC | 200,867 | $24.6M | 0.24% | −10,885−5.1% | Reduced |
| WCM Investment Management, LLC | 219,320 | $24.2M | 0.04% | −40.0% | Reduced |
| Victory Capital Management Inc | 193,068 | $23.6M | 0.01% | −32,550−14.4% | Reduced |
| Nuveen, LLC | 186,625 | $22.8M | 0.01% | −45,159−19.5% | Reduced |
| Public Sector Pension Investment Board | 181,537 | $22.2M | 0.06% | −7,423−3.9% | Reduced |
| JPMorgan Chase & Co | 193,475 | $21.6M | 0.00% | −54,412−22.0% | Reduced |
| MetLife Investment Management | 173,537 | $21.2M | 0.10% | −122,202−41.3% | Reduced |
| Select Equity Group, L.P. | 165,257 | $20.2M | 0.11% | +81,791+98.0% | Added |
| BNP Paribas Arbitrage, SA | 158,224 | $19.4M | 0.01% | +2,844+1.8% | Added |
| Deutsche Bank AG | 142,678 | $17.5M | 0.01% | +15,086+11.8% | Added |
| Nomura Asset Management International Inc. | 142,027 | $17.4M | 0.03% | −146,513−50.8% | Reduced |
| Wells Fargo & Company | 136,983 | $16.8M | 0.00% | +13,264+10.7% | Added |
| Peregrine Capital Management LLC | 135,071 | $16.5M | 0.54% | −1,104−0.8% | Reduced |
| New York State Common Retirement Fund | 133,229 | $16.3M | 0.02% | −60,398−31.2% | Reduced |
| Rhumbline Advisers | 127,926 | $15.6M | 0.01% | −16,868−11.6% | Reduced |
| Legal & General Group Plc | 126,258 | $15.4M | 0.00% | −25,387−16.7% | Reduced |
| Vident Advisory, LLC | 123,337 | $15.1M | 0.11% | −4,722−3.7% | Reduced |
| UBS Asset Management Americas Inc | 122,585 | $15.0M | 0.00% | +6,413+5.5% | Added |
| Jane Street Group, LLC | 115,338 | $14.1M | 0.01% | +115,338 | New |
| DF Dent & Co Inc | 113,611 | $13.9M | 0.26% | +113,611 | New |
| Man Group plc | 110,597 | $13.5M | 0.02% | −34,127−23.6% | Reduced |
| Swiss National Bank | 108,400 | $13.3M | 0.01% | +1,500+1.4% | Added |
| Agman Capital LLC | 102,403 | $12.5M | 7.90% | −6,229−5.7% | Reduced |
| Heights Point Management, LP | 100,375 | $12.3M | 9.77% | −21,523−17.7% | Reduced |
| Summit Partners Public Asset Management, LLC | 98,122 | $12.0M | 0.31% | +98,122 | New |
| Russell Investments Group, Ltd. | 93,881 | $11.5M | 0.01% | −16,491−14.9% | Reduced |
| Freshford Capital Management, LLC | 93,761 | $11.5M | 3.92% | −60,304−39.1% | Reduced |
| Penserra Capital Management LLC | 80,559 | $9.85M | 0.08% | +11,846+17.2% | Added |
| Blair William & Co | 77,712 | $9.51M | 0.02% | −1,079−1.4% | Reduced |
| Quantinno Capital Management LP | 76,112 | $9.31M | 0.01% | +10,135+15.4% | Added |
| Two Sigma Investments, LP | 71,861 | $8.79M | 0.01% | −90,208−55.7% | Reduced |
| State of Wisconsin Investment Board | 67,350 | $8.24M | 0.02% | −9,155−12.0% | Reduced |
| California State Teachers Retirement System | 62,374 | $7.63M | 0.01% | −1,196−1.9% | Reduced |
| Nordea Investment Management AB | 65,670 | $7.58M | 0.01% | +1,268+2.0% | Added |
| D. E. Shaw & Co., Inc. | 61,830 | $7.56M | 0.00% | +6,926+12.6% | Added |
| Loup Funds, LLC | 61,166 | $7.48M | 3.40% | +4,542+8.0% | Added |
| 13D Management LLC | 60,462 | $7.40M | 10.37% | 00.0% | Unchanged |
| Cerity Partners LLC | 60,446 | $7.39M | 0.01% | −317−0.5% | Reduced |
| Prudential Financial Inc | 55,166 | $6.75M | 0.01% | +950+1.8% | Added |
| Pier Capital, LLC | 55,104 | $6.74M | 0.89% | −902−1.6% | Reduced |
| Barclays PLC | 54,495 | $6.67M | 0.00% | −3,327−5.8% | Reduced |
| Candelo Capital Management LP | 54,060 | $6.61M | 4.86% | −6,400−10.6% | Reduced |