Mercury SystemsMRCY
13F holders, Q2 2024 (June 30)232holders +10
34new positions
24sold out
3famous investors
$27.00avg. 13F price*
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 |
"% of holder's portfolio" is MRCY's weight in each manager's 13F, not the share of Mercury Systems Inc. the manager owns.