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 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
- +490.8K (+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 | $4.72B |
| 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 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 |
|---|---|---|---|---|---|
| Nordea Investment Management AB | 65,670 | $7.58M | 0.01% | +1,268+2.0% | Added |
| California State Teachers Retirement System | 62,374 | $7.63M | 0.01% | −1,196−1.9% | Reduced |
| State of Wisconsin Investment Board | 67,350 | $8.24M | 0.02% | −9,155−12.0% | Reduced |
| Two Sigma Investments, LP | 71,861 | $8.79M | 0.01% | −90,208−55.7% | Reduced |
| Quantinno Capital Management LP | 76,112 | $9.31M | 0.01% | +10,135+15.4% | Added |
| Blair William & Co | 77,712 | $9.51M | 0.02% | −1,079−1.4% | Reduced |
| Penserra Capital Management LLC | 80,559 | $9.85M | 0.08% | +11,846+17.2% | Added |
| Freshford Capital Management, LLC | 93,761 | $11.5M | 3.92% | −60,304−39.1% | Reduced |
| Russell Investments Group, Ltd. | 93,881 | $11.5M | 0.01% | −16,491−14.9% | Reduced |
| Summit Partners Public Asset Management, LLC | 98,122 | $12.0M | 0.31% | +98,122 | New |
| Heights Point Management, LP | 100,375 | $12.3M | 9.77% | −21,523−17.7% | Reduced |
| Agman Capital LLC | 102,403 | $12.5M | 8.36% | −6,229−5.7% | Reduced |
| Swiss National Bank | 108,400 | $13.3M | 0.01% | +1,500+1.4% | Added |
| Man Group plc | 110,597 | $13.5M | 0.02% | −34,127−23.6% | Reduced |
| DF Dent & Co Inc | 113,611 | $13.9M | 0.26% | +113,611 | New |
| Jane Street Group, LLC | 115,338 | $14.1M | 0.01% | +115,338 | New |
| UBS Asset Management Americas Inc | 122,585 | $15.0M | 0.00% | +6,413+5.5% | Added |
| Vident Advisory, LLC | 123,337 | $15.1M | 0.11% | −4,722−3.7% | Reduced |
| Legal & General Group Plc | 126,258 | $15.4M | 0.00% | −25,387−16.7% | Reduced |
| Rhumbline Advisers | 127,926 | $15.6M | 0.01% | −16,868−11.6% | Reduced |
| New York State Common Retirement Fund | 133,229 | $16.3M | 0.02% | −60,398−31.2% | Reduced |
| Peregrine Capital Management LLC | 135,071 | $16.5M | 0.54% | −1,104−0.8% | Reduced |
| Wells Fargo & Company | 136,983 | $16.8M | 0.00% | +13,264+10.7% | Added |
| Nomura Asset Management International Inc. | 142,027 | $17.4M | 0.03% | −146,513−50.8% | Reduced |
| Deutsche Bank AG | 142,678 | $17.5M | 0.01% | +15,086+11.8% | Added |
| BNP Paribas Arbitrage, SA | 158,224 | $19.4M | 0.01% | +2,844+1.8% | Added |
| Select Equity Group, L.P. | 165,257 | $20.2M | 0.11% | +81,791+98.0% | Added |
| MetLife Investment Management | 173,537 | $21.2M | 0.10% | −122,202−41.3% | Reduced |
| JPMorgan Chase & Co | 193,475 | $21.6M | 0.00% | −54,412−22.0% | Reduced |
| Public Sector Pension Investment Board | 181,537 | $22.2M | 0.06% | −7,423−3.9% | Reduced |
| Nuveen, LLC | 186,625 | $22.8M | 0.01% | −45,159−19.5% | Reduced |
| Victory Capital Management Inc | 193,068 | $23.6M | 0.01% | −32,550−14.4% | Reduced |
| WCM Investment Management, LLC | 219,320 | $24.2M | 0.04% | −40.0% | Reduced |
| Mutual of America Capital Management LLC | 200,867 | $24.6M | 0.24% | −10,885−5.1% | Reduced |
| Axiom Investors LLC | 204,433 | $25.0M | 0.22% | −6,635−3.1% | Reduced |
| Thrivent Financial for Lutherans | 207,034 | $25.3M | 0.04% | +67,177+48.0% | Added |
| Fifth Third Bancorp | 222,392 | $27.2M | 0.04% | −44,709−16.7% | Reduced |
| Bank of America Corp | 223,533 | $27.3M | 0.00% | −71,385−24.2% | Reduced |
| King Luther Capital Management Corp | 228,825 | $28.0M | 0.11% | +18,788+8.9% | Added |
| Royce & Associates LP | 238,327 | $29.2M | 0.23% | +18,347+8.3% | Added |
| Aristotle Capital Boston, LLC | 244,228 | $29.9M | 2.00% | −22,189−8.3% | Reduced |
| Swedbank AB | 244,299 | $29.9M | 0.03% | +189,040+342.1% | Added |
| Principal Financial Group Inc | 258,561 | $31.6M | 0.02% | +1,461+0.6% | Added |
| SEI Investments Co | 261,712 | $32.0M | 0.03% | −109,280−29.5% | Reduced |
| UBS Group AG | 274,799 | $33.6M | 0.01% | +41,728+17.9% | Added |
| Silvercrest Asset Management Group LLC | 285,581 | $34.9M | 0.23% | −24,587−7.9% | Reduced |
| Bank of New York Mellon Corp | 314,217 | $38.4M | 0.01% | −182−0.1% | Reduced |
| Jennison Associates LLC | 354,894 | $43.4M | 0.03% | −333,220−48.4% | Reduced |
| Artisan Partners Limited Partnership | 372,818 | $45.6M | 0.07% | +18,553+5.2% | Added |
| William Blair Investment Management, LLC | 379,732 | $46.5M | 0.14% | +52,444+16.0% | Added |
| Vanguard Fiduciary Trust Co | 382,819 | $46.8M | 0.01% | +33,594+9.6% | Added |
| Oberweis Asset Management Inc | 392,723 | $48.0M | 0.99% | +1,700+0.4% | Added |
| Royal Bank of Canada | 394,081 | $48.2M | 0.01% | −138,606−26.0% | Reduced |
| Voya Investment Management LLC | 410,076 | $50.2M | 0.04% | −199,180−32.7% | Reduced |
| Emerald Mutual Fund Advisers Trust | 412,354 | $50.4M | 1.77% | +36,882+9.8% | Added |
| Bessemer Group Inc | 456,829 | $55.9M | 0.08% | +7,140+1.6% | Added |
| Allspring Global Investments Holdings, LLC | 474,866 | $58.4M | 0.09% | −98,590−17.2% | Reduced |
| American Capital Management Inc | 486,064 | $59.5M | 2.67% | +486,064 | New |
| Driehaus Capital Management LLC | 487,921 | $59.7M | 0.35% | +193,293+65.6% | Added |
| Ameriprise Financial Inc | 499,207 | $61.1M | 0.01% | −492,601−49.7% | Reduced |
| Snyder Capital Management L P | 566,155 | $69.3M | 1.20% | −14,499−2.5% | Reduced |
| Kennedy Capital Management, Inc. | 591,802 | $72.4M | 1.28% | +2,553+0.4% | Added |
| Northern Trust Corp | 597,751 | $73.1M | 0.01% | +49,688+9.1% | Added |
| Bamco Inc | 606,919 | $74.2M | 0.11% | −38,147−5.9% | Reduced |
| Charles Schwab Investment Management Inc | 627,581 | $76.8M | 0.01% | −8,389−1.3% | Reduced |
| Emerald Advisers, LLC | 638,682 | $78.1M | 1.84% | +43,368+7.3% | Added |
| Lord, Abbett & Co. LLC | 661,714 | $80.9M | 0.23% | +19,248+3.0% | Added |
| American Century Companies Inc | 664,960 | $81.3M | 0.04% | +82,065+14.1% | Added |
| Loomis Sayles & Co L P | 681,142 | $83.3M | 0.10% | +35,210+5.5% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 715,977 | $87.6M | 0.10% | −143,470−16.7% | Reduced |
| Raymond James Financial Inc | 748,808 | $91.6M | 0.02% | −45,221−5.7% | Reduced |
| Van Eck Associates Corp | 762,994 | $93.3M | 0.06% | −88,151−10.4% | Reduced |
| Wellington Management Group LLP | 775,502 | $94.9M | 0.02% | +19,977+2.6% | Added |
| Morgan Stanley | 811,565 | $99.3M | 0.01% | +140,234+20.9% | Added |
| Neuberger Berman Group LLC | 841,556 | $102.1M | 0.07% | −68,862−7.6% | Reduced |
| Franklin Resources Inc | 846,732 | $103.6M | 0.02% | +393,099+86.7% | Added |
| Fisher Asset Management, LLC | 944,069 | $115.5M | 0.03% | −36,298−3.7% | Reduced |
| Segall Bryant & Hamill, LLC | 1,029,491 | $125.9M | 1.49% | +94,667+10.1% | Added |
| Dimensional Fund Advisors LP | 1,156,682 | $141.4M | 0.03% | −71,293−5.8% | Reduced |
| Price T Rowe Associates Inc | 1,285,569 | $157.3M | 0.02% | +256,960+25.0% | Added |
| First Trust Advisors LP | 1,298,957 | $158.9M | 0.09% | +138,182+11.9% | Added |
| Geode Capital Management, LLC | 1,459,574 | $178.6M | 0.01% | −66,142−4.3% | Reduced |
| Conestoga Capital Advisors, LLC | 1,487,191 | $181.9M | 3.96% | −431,400−22.5% | Reduced |
| Goldman Sachs Group Inc | 1,575,727 | $192.8M | 0.02% | +374,615+31.2% | Added |
| T. Rowe Price Investment Management, Inc. | 1,595,711 | $195.2M | 0.13% | +15,879+1.0% | Added |
| FMR LLC | 1,842,103 | $225.3M | 0.01% | +938,435+103.8% | Added |
| Vanguard Capital Management LLC | 2,422,629 | $296.4M | 0.01% | +18,811+0.8% | Added |
| Invesco Ltd. | 2,669,450 | $326.6M | 0.03% | +227,872+9.3% | Added |
| Vanguard Portfolio Management LLC | 3,031,459 | $370.8M | 0.02% | +120,555+4.1% | Added |
| State Street Corp | 3,418,290 | $418.0M | 0.01% | −447,429−11.6% | Reduced |
| JANA Partners Management, LP | 3,958,849 | $484.3M | 25.46% | −148,575−3.6% | Reduced |
| BlackRock, Inc. | 9,370,902 | $1.15B | 0.02% | +450,577+5.1% | Added |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −292,866−100.0% | Sold out |
| Penn Capital Management Co Inc | 0 | $0 | 0.00% | −127,789−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −111,190−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −39,224−100.0% | Sold out |
| Bouvel Investment Partners, LLC | 0 | $0 | 0.00% | −32,751−100.0% | Sold out |
| Freemont Management S.A. | 0 | $0 | 0.00% | −31,700−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −25,048−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −21,595−100.0% | Sold out |