Mercury SystemsMRCY
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 232 institutions reported holding Mercury Systems Inc. (MRCY) in their 13F filings, up 10 from Q1 2024. 34 opened new positions and 24 sold out. The largest holders were BlackRock Inc. ($237.8M), JANA Partners Management, LP ($186.9M) and William Blair Investment Management, LLC ($173.2M). 3 famous investors held it, including Jeff Smith (1.4% of Starboard Value's portfolio), Ron Baron (0.1% of Baron Capital (BAMCO)'s portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Mercury Systems Inc.
- CUSIP
- 589378108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 34 | $13.5M |
| Exits | 24 | $16.6M |
All 13F filers, Q1 2024 → Q2 2024: 5,879,619 shares bought and 3,427,646 shares sold, net +2,451,973 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 232 holders
| BlackRock Inc. | 0.01% | Add +18.9% | 8,808,929 | $237.8M |
| JANA Partners Management, LP | 10.93% | No change | 6,924,896 | $186.9M |
| William Blair Investment Management, LLC | 0.45% | Add +0.6% | 6,416,449 | $173.2M |
| Vanguard Group Inc. | 0.00% | Add +7.5% | 5,715,286 | $154.3M |
| State Street Corp. | 0.00% | Reduce -11.2% | 3,327,335 | $89.8M |
| Starboard Value | 1.44% | Reduce -13.9% | 2,294,000 | $61.9M |
| Dimensional Fund Advisors LP | 0.01% | Add +1.0% | 2,027,158 | $54.7M |
| Victory Capital Management Inc. | 0.05% | Reduce -3.0% | 1,813,698 | $49.0M |
| Westwood Holdings Group Inc. | 0.32% | Reduce -6.8% | 1,448,303 | $39.1M |
| Segall Bryant & Hamill, LLC | 0.63% | Reduce -12.2% | 1,310,580 | $35.4M |
| Conestoga Capital Advisors, LLC | 0.53% | Add +3.1% | 1,308,965 | $35.3M |
| Scopia Capital Management LP | 5.22% | Add +23.3% | 1,306,118 | $35.3M |
| Geode Capital Management, LLC | 0.00% | Add +46.6% | 1,274,959 | $34.4M |
| Fuller & Thaler Asset Management, Inc. | 0.14% | Reduce -0.9% | 1,225,954 | $33.1M |
| Baron Capital (BAMCO) | 0.09% | Reduce -34.9% | 1,205,654 | $32.5M |
| Snyder Capital Management L P | 0.69% | Add +34.7% | 1,147,564 | $31.0M |
| Neuberger Berman Group LLC | 0.02% | Add +41.1% | 1,000,039 | $27.0M |
| Morgan Stanley | 0.00% | Add +57.5% | 805,544 | $21.7M |
| Royal Bank of Canada | 0.01% | Reduce -0.8% | 805,217 | $21.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +32.8% | 649,251 | $17.5M |
| Invesco Ltd. | 0.00% | Add +0.7% | 581,994 | $15.7M |
| Bank of New York Mellon Corp | 0.00% | Reduce -9.4% | 567,242 | $15.3M |
| Sasco Capital Inc. / CT/ | 2.14% | Add +10.5% | 561,030 | $15.1M |
| Clearline Capital LP | 1.24% | Add +18.4% | 526,611 | $14.2M |
| Aristotle Capital Boston, LLC | 0.48% | Reduce -4.7% | 524,623 | $14.2M |
| Staley Capital Advisers Inc. | 0.62% | Add +10.8% | 497,870 | $13.4M |
| Crestline Management, L.P. | 1.01% | Add +75.9% | 478,973 | $12.9M |
| WCM Investment Management, LLC | 0.03% | Reduce -0.2% | 449,704 | $12.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +332.1% | 402,984 | $10.9M |
| Two Sigma Investments, LP | 0.03% | Add +8.5% | 381,684 | $10.3M |
| Mesirow Institutional Investment Management, Inc. | 0.88% | Add +14.6% | 373,784 | $10.1M |
| Ameriprise Financial Inc. | 0.00% | Reduce -7.1% | 368,430 | $9.9M |
| Northern Trust Corp. | 0.00% | Add +6.5% | 359,219 | $9.7M |
| Sei Investments Co. | 0.01% | Add +28.8% | 279,327 | $7.5M |
| CenterBook Partners LP | 0.46% | Add +5.2% | 277,198 | $7.5M |
| Prelude Capital Management, LLC | 0.60% | Add +28.6% | 265,460 | $7.2M |
| Loomis Sayles & Co. L P | 0.01% | Add +0.7% | 261,767 | $7.1M |
| Principal Financial Group Inc. | 0.00% | Reduce -4.4% | 257,867 | $7.0M |
| Two Sigma Advisers, LP | 0.02% | Add +13.1% | 255,900 | $6.9M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -19.2% | 226,429 | $6.1M |
| Royce & Associates LP | 0.06% | Add +2.8% | 219,359 | $5.9M |
| Bank of America Corp. | 0.00% | Add +36.8% | 214,930 | $5.8M |
| D. E. Shaw & Co. | 0.01% | Reduce -11.5% | 205,949 | $5.6M |
| Brandywine Global Investment Management, LLC | 0.04% | Add +87.1% | 187,528 | $5.1M |
| Boothbay Fund Management, LLC | 0.16% | Add +28.7% | 175,053 | $4.7M |
| Van Eck Associates Corp. | 0.01% | Add +52.1% | 171,618 | $4.6M |
| Rhumbline Advisers | 0.00% | Add +24.2% | 167,840 | $4.5M |
| Legal & General Group Plc | 0.00% | Add +2.4% | 163,520 | $4.4M |
| Roubaix Capital, LLC | 2.33% | New | 136,479 | $3.7M |
| Redwood Investment Management, LLC | 0.32% | Reduce -2.5% | 108,329 | $3.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +122.0% | 131,394 | $3.5M |
| 13D Management LLC | 2.59% | Reduce -18.5% | 131,286 | $3.5M |
| Comerica Bank | 0.01% | Add +0.2% | 126,114 | $3.4M |
| Marshall Wace, LLP | 0.00% | Reduce -35.0% | 119,854 | $3.2M |
| Public Sector Pension Investment Board | 0.02% | Add +7.3% | 114,899 | $3.1M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | New | 114,065 | $3.1M |
| King Luther Capital Management Corp. | 0.01% | Add +13.7% | 108,177 | $2.9M |
| Swiss National Bank | 0.00% | Reduce -5.5% | 99,200 | $2.7M |
| Citigroup Inc. | 0.00% | Reduce -41.4% | 95,763 | $2.6M |
| ExodusPoint Capital Management, LP | 0.03% | Reduce -17.6% | 88,553 | $2.4M |
| Needham Investment Management LLC | 0.19% | Add +45.8% | 87,500 | $2.4M |
| Western Standard LLC | 2.26% | New | 80,768 | $2.2M |
| Blair William & Co. | 0.01% | Reduce -34.9% | 77,271 | $2.1M |
| B. Metzler seel. Sohn & Co. AG | 0.02% | No change | 76,501 | $2.1M |
| Trexquant Investment LP | 0.03% | Add +276.3% | 71,324 | $1.9M |
| Voloridge Investment Management, LLC | 0.01% | Reduce -53.2% | 71,037 | $1.9M |
| Alliancebernstein L.P. | 0.00% | Add +177.4% | 68,435 | $1.8M |
| Mutual of America Capital Management LLC | 0.02% | Reduce -4.2% | 68,309 | $1.8M |
| State of Wisconsin Investment Board | 0.00% | Reduce -0.5% | 67,310 | $1.8M |
| Raymond James & Associates | 0.00% | Add +2.8% | 66,736 | $1.8M |
| Steel Partners Holdings L.P. | 2.27% | No change | 66,543 | $1.8M |
| Squarepoint Ops LLC | 0.01% | Add +38.2% | 66,209 | $1.8M |
| M&T Bank Corp | 0.01% | Add +46.6% | 63,439 | $1.7M |
| New York State Teachers Retirement System | 0.00% | No change | 61,611 | $1.7M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | — | 58,670 | $1.6M |
| Prudential Financial Inc. | 0.00% | Add +0.9% | 57,988 | $1.6M |
| Cerity Partners LLC | 0.00% | Reduce -1.4% | 56,559 | $1.5M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +15.3% | 53,112 | $1.4M |
| Public Employees Retirement System of Ohio | 0.01% | Reduce -36.5% | 52,785 | $1.4M |
| BNP Paribas Financial Markets | 0.00% | Reduce -33.3% | 51,032 | $1.4M |
| Susquehanna International Group, LLP | 0.00% | Reduce -46.4% | 49,642 | $1.3M |
| California State Teachers Retirement System | 0.00% | Reduce -7.3% | 49,540 | $1.3M |
| Wellington Management Group LLP | 0.00% | Reduce -18.8% | 46,129 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +83.6% | 45,598 | $1.2M |
| JPMorgan Chase & Co. | 0.00% | Add +132.1% | 44,489 | $1.2M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -4.3% | 43,354 | $1.2M |
| Jump Financial, LLC | 0.02% | Reduce -46.1% | 42,174 | $1.1M |
| Ironwood Investment Management LLC | 0.59% | Reduce -0.2% | 40,722 | $1.1M |
| LPL Financial LLC | 0.00% | Reduce -2.3% | 40,247 | $1.1M |
| Moody National Bank Trust Division | 0.08% | Add +4.5% | 39,423 | $1.1M |
| T. Rowe Price Associates Inc. | 0.00% | Add +15.4% | 39,282 | $1.1M |
| Zions Bancorporation, N.A. | 0.08% | Reduce -3.3% | 37,431 | $1.0M |
| Oppenheimer & Co. Inc. | 0.02% | Reduce -0.6% | 36,998 | $999K |
| Wells Fargo & Company | 0.00% | Add +480.1% | 36,219 | $978K |
| Occudo Quantitative Strategies LP | 0.16% | Add +260.8% | 33,400 | $901K |
| LaFleur & Godfrey LLC | 0.13% | Reduce -14.2% | 32,370 | $874K |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +84.1% | 32,258 | $871K |
| First Trust Advisors LP | 0.00% | Add +21.1% | 32,084 | $866K |
| Corebridge Financial, Inc. | 0.00% | — | 31,689 | $856K |
| Barclays PLC | 0.00% | Add +25.7% | 30,731 | $829K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -3.7% | 30,662 | $827K |
| New York State Common Retirement Fund | 0.00% | Reduce -16.4% | 30,257 | $817K |
| RBF Capital, LLC | 0.05% | New | 30,000 | $810K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +232.7% | 29,411 | $794K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -1.8% | 29,249 | $789K |
| Natixis | 0.00% | Add +19.9% | 28,156 | $760K |
| Camelot Portfolios, LLC | 0.43% | Reduce -10.3% | 28,124 | $759K |
| Vident Advisory, LLC | 0.02% | Add +72.5% | 27,734 | $749K |
| Louisiana State Employees Retirement System | 0.01% | Add +1.5% | 26,300 | $710K |
| Hunter Perkins Capital Management, LLC | 0.14% | Add +24.5% | 25,271 | $682K |
| Bank of Montreal | 0.00% | Add +89.8% | 21,478 | $676K |
| Janus Henderson Group PLC | 0.00% | Reduce -1.2% | 24,025 | $649K |
| South Dakota Investment Council | 0.01% | No change | 21,678 | $585K |
| Allianz Asset Management GmbH | 0.00% | Reduce -58.1% | 21,500 | $580K |
| Yousif Capital Management, LLC | 0.01% | Reduce -11.1% | 20,983 | $566K |
| Ensign Peak Advisors, Inc | 0.00% | No change | 20,002 | $540K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 19,640 | $530K |
| Dark Forest Capital Management LP | 0.10% | New | 19,494 | $526K |
| Balyasny Asset Management L.P. | 0.00% | New | 18,540 | $500K |
| Voya Investment Management LLC | 0.00% | New | 18,343 | $495K |
| Maryland State Retirement & Pension System | 0.01% | Reduce -21.0% | 18,209 | $491K |
| American Century Companies Inc. | 0.00% | Add +134.2% | 18,114 | $489K |
| Amalgamated Bank | 0.00% | Reduce -10.5% | 16,041 | $433K |
| Jane Street Group, LLC | 0.00% | Reduce -93.8% | 15,971 | $431K |
| Sugar Maple Asset Management, LLC | 0.39% | Add +25.0% | 15,000 | $405K |
| SG Americas Securities, LLC | 0.00% | New | 14,864 | $401K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +26.6% | 14,658 | $396K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -75.1% | 14,269 | $385K |
| Lombard Odier Asset Management (USA) Corp | 0.17% | Reduce -6.6% | 14,224 | $384K |
| Arizona State Retirement System | 0.00% | Reduce -3.6% | 14,127 | $381K |
| State of Tennessee, Department of Treasury | 0.00% | No change | 14,032 | $379K |
| MetLife Investment Management, LLC | 0.00% | Add +1221.6% | 13,824 | $373K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +16.6% | 12,900 | $348K |
| Gabelli Funds LLC | 0.00% | Add +8.4% | 12,859 | $347K |
| Oregon Public Employees Retirement Fund | 0.01% | Reduce -9.3% | 12,662 | $342K |
| Natixis Advisors, LLC | 0.00% | Reduce -17.3% | 12,431 | $336K |
| State of Wyoming | 0.06% | Add +849.4% | 12,390 | $334K |
| UBS Group AG | 0.00% | Reduce -60.1% | 12,388 | $334K |
| Rafferty Asset Management, LLC | 0.00% | Reduce -7.5% | 12,357 | $334K |
| Altfest L J & Co. Inc. | 0.04% | New | 11,677 | $315K |
| UniSuper Management Pty Ltd | 0.00% | No change | 11,601 | $313K |
| Cwm, LLC | 0.00% | Add +118.5% | 11,493 | $310K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -0.3% | 11,253 | $304K |
| Envestnet Asset Management Inc. | 0.00% | Add +34.4% | 11,183 | $302K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Add +41.0% | 11,130 | $300K |
| Aigen Investment Management, LP | 0.06% | New | 11,009 | $297K |
| Deerfield Management Company, L.P. | 0.01% | New | 10,569 | $285K |
| Keybank National Association | 0.00% | Add +0.2% | 10,314 | $278K |
| Aquatic Capital Management LLC | 0.01% | Reduce -17.2% | 10,100 | $273K |
| Quantinno Capital Management LP | 0.00% | New | 9,618 | $260K |
| Walleye Capital LLC | 0.00% | Add +414.8% | 9,540 | $257K |
| Iridian Asset Management LLC | 0.06% | Add +11.4% | 9,464 | $255K |
| Pathstone Holdings, LLC | 0.00% | Reduce -0.7% | 8,242 | $222K |
| Cim Investment Management Inc. | 0.07% | Reduce -19.2% | 8,072 | $218K |
| Creative Planning | 0.00% | New | 7,970 | $215K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 7,486 | $202K |
| Quantbot Technologies LP | 0.01% | Reduce -60.2% | 6,508 | $176K |
| Headlands Technologies LLC | 0.02% | Add +625.7% | 5,726 | $155K |
| Simplex Trading, LLC | 0.00% | New | 5,386 | $145K |
| Ameritas Investment Partners, Inc. | 0.01% | New | 5,371 | $145K |
| Lazard Asset Management LLC | 0.00% | Reduce -11.9% | 5,131 | $138K |
| DekaBank Deutsche Girozentrale | 0.00% | Reduce -11.9% | 5,131 | $137K |
| AlphaQuest LLC | 0.02% | Add +10995.5% | 4,882 | $132K |
| Osaic Holdings, Inc. | 0.00% | Reduce -5.7% | 4,631 | $125K |
| CIBC Private Wealth Group LLC | 0.00% | Add +35.1% | 3,435 | $103K |
| nVerses Capital, LLC | 0.05% | New | 3,000 | $81K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -28.9% | 2,489 | $67K |
| Harel Insurance Investments & Financial Services Ltd. | 0.00% | Add +216.0% | 2,373 | $64K |
| Peregrine Capital Management LLC | 0.00% | No change | 2,134 | $58K |
| FMR LLC | 0.00% | Add +44.3% | 2,093 | $56K |
| Creative Financial Designs Inc. | 0.00% | Reduce -18.5% | 1,875 | $51K |
| Russell Investments Group, Ltd. | 0.00% | Add +385.5% | 1,840 | $50K |
| EntryPoint Capital, LLC | 0.02% | Reduce -72.6% | 1,713 | $46K |
| KBC Group NV | 0.00% | No change | 1,671 | $45K |
| US Bancorp \de | 0.00% | Add +20.9% | 1,660 | $45K |
| Covestor Ltd | 0.03% | Add +4.6% | 1,504 | $40K |
| Ridgewood Investments LLC | 0.02% | New | 1,350 | $36K |
| Quadrant Capital Group LLC | 0.00% | Add +121.1% | 1,300 | $35K |
| Nisa Investment Advisors, LLC | 0.00% | Add +1126.3% | 1,165 | $31K |
| Fifth Third Bancorp | 0.00% | Add +4.6% | 1,129 | $30K |
| Hilltop National Bank | 0.01% | Add +4.7% | 1,027 | $28K |
| Whittier Trust Co. | 0.00% | No change | 1,012 | $27K |
| Group One Trading LLC | 0.00% | New | 890 | $24K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +155.3% | 646 | $23K |
| Allworth Financial LP | 0.00% | Add +2840.9% | 647 | $22K |
| GHP Investment Advisors, Inc. | 0.00% | No change | 700 | $19K |
| Innealta Capital, LLC | 0.01% | New | 590 | $16K |
| Coston, McIsaac & Partners | 0.00% | No change | 396 | $10K |
| Leonteq Securities AG | 0.00% | Add +6.8% | 361 | $10K |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 0.00% | No change | 360 | $10K |
| GAMMA Investing LLC | 0.00% | Reduce -35.9% | 345 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -83.3% | 291 | $8K |
| Blue Trust, Inc. | 0.00% | Add +48.0% | 253 | $7K |
| Signaturefd, LLC | 0.00% | Add +92.3% | 273 | $7K |
| Smartleaf Asset Management LLC | 0.00% | New | 216 | $6K |
| Parallel Advisors, LLC | 0.00% | Add +62.1% | 201 | $5K |
| LRI Investments, LLC | 0.00% | New | 158 | $4K |
| HM Payson & Co. | 0.00% | Reduce -57.1% | 150 | $4K |
| NewEdge Advisors, LLC | 0.00% | No change | 150 | $4K |
| Toth Financial Advisory Corp. | 0.00% | No change | 100 | $3K |
| LGT Financial Advisors LLC | 0.00% | No change | 82 | $2K |
| Beaird Harris Wealth Management, LLC | 0.00% | New | 79 | $2K |
| UMB Bank, n.a. | 0.00% | Add +175.0% | 77 | $2K |
| Lindbrook Capital, LLC | 0.00% | Reduce -69.7% | 76 | $2K |
| Bessemer Group Inc. | 0.00% | New | 91 | $2K |
| Venturi Wealth Management, LLC | 0.00% | New | 67 | $2K |
| GPS Wealth Strategies Group, LLC | 0.00% | No change | 65 | $2K |
| Versant Capital Management, Inc | 0.00% | Reduce -12.1% | 58 | $2K |
| Private Wealth Management Group, LLC | 0.00% | Add +229.4% | 56 | $2K |
| Whittier Trust Co. of Nevada Inc. | 0.00% | No change | 45 | $1K |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 35 | $945 |
| Farther Finance Advisors, LLC | 0.00% | Reduce -54.3% | 32 | $907 |
| Eagle Bay Advisors LLC | 0.00% | Reduce -25.0% | 27 | $729 |
| Raffa Wealth Management, LLC | 0.00% | No change | 26 | $702 |
| AdvisorNet Financial, Inc | 0.00% | Reduce -7.1% | 26 | $702 |
| Sachetta, LLC | 0.00% | New | 20 | $693 |
| IFP Advisors, Inc | 0.00% | New | 25 | $675 |
| Redwood Wealth Management Group, LLC | 0.00% | New | 20 | $540 |
| MV Capital Management, Inc. | 0.00% | New | 20 | $540 |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Reduce -16.7% | 20 | $540 |
| Arax Advisory Partners | 0.00% | New | 17 | $459 |
| JFS Wealth Advisors, LLC | 0.00% | No change | 16 | $432 |
| Huntington National Bank | 0.00% | New | 12 | $324 |
| Allspring Global Investments Holdings, LLC | 0.00% | New | 12 | $323 |
| International Assets Investment Management, LLC | 0.00% | New | 10 | $270 |
| Abound Wealth Management | 0.00% | No change | 9 | $243 |
| SJS Investment Consulting Inc. | 0.00% | No change | 6 | $162 |
| DiNuzzo Private Wealth, Inc. | 0.00% | Add +20.0% | 6 | $162 |
| Rothschild Investment LLC | 0.00% | New | 5 | $135 |
| Gradient Investments LLC | 0.00% | New | 5 | $135 |
| Parkside Financial Bank & Trust | 0.00% | Reduce -77.8% | 4 | $108 |
| Larson Financial Group LLC | 0.00% | Reduce -99.2% | 4 | $108 |
"% of holder's portfolio" is MRCY's weight in each manager's 13F, not the share of Mercury Systems Inc. the manager owns.