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, Q3 2021
Institutional positions in Mercury Systems Inc as of Sep 30, 2021. 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
- 251
- −1 vs. Q2 2021
- Shares held
- 52.9M
- +336.3K (+0.6%) vs. Q2 2021
- Total value
- $2.51B
- −$970.4M (−27.9%) vs. Q2 2021
- New holders
- 41
- 102 more added
- Sold out
- 42
- 83 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 5,437,407 | $257.8M | 0.01% | +31,771+0.6% | Added |
| Vanguard Group Inc | 5,164,144 | $244.9M | 0.01% | +7100.0% | Added |
| William Blair Investment Management, LLC | 3,348,212 | $158.8M | 0.45% | −37,615−1.1% | Reduced |
| Conestoga Capital Advisors, LLC | 2,911,108 | $138.0M | 1.91% | +108,440+3.9% | Added |
| Wellington Management Group LLP | 2,822,173 | $133.8M | 0.02% | +1,234,915+77.8% | Added |
| State Street Corp | 2,291,244 | $108.7M | 0.01% | +48,623+2.2% | Added |
| Bamco Inc | 2,047,169 | $97.1M | 0.22% | +19,489+1.0% | Added |
| Bank of New York Mellon Corp | 1,558,315 | $73.9M | 0.01% | −84,240−5.1% | Reduced |
| Janus Henderson Group PLC | 1,335,040 | $63.3M | 0.03% | +310,578+30.3% | Added |
| Geode Capital Management, LLC | 1,240,368 | $58.8M | 0.01% | +499,724+67.5% | Added |
| Goldman Sachs Group Inc | 992,393 | $47.1M | 0.01% | +740,222+293.5% | Added |
| Federated Hermes, Inc. | 956,072 | $45.3M | 0.09% | −1,087,204−53.2% | Reduced |
| Dimensional Fund Advisors LP | 954,791 | $45.3M | 0.01% | +178,321+23.0% | Added |
| D. E. Shaw & Co., Inc. | 904,109 | $42.9M | 0.05% | +592,776+190.4% | Added |
| Royal Bank of Canada | 818,089 | $38.8M | 0.01% | +14,306+1.8% | Added |
| Stephens Investment Management Group LLC | 730,177 | $34.6M | 0.47% | −336,478−31.5% | Reduced |
| Standard Life Aberdeen plc | 717,258 | $34.0M | 0.08% | +85,151+13.5% | Added |
| Bank of America Corp | 644,282 | $30.6M | 0.00% | +166,764+34.9% | Added |
| Snyder Capital Management L P | 624,845 | $29.6M | 0.78% | −13,566−2.1% | Reduced |
| Jana Partners LLC | 618,361 | $29.3M | 2.29% | +618,361 | New |
| Sandhill Capital Partners LLC | 589,872 | $28.0M | 2.24% | +31,995+5.7% | Added |
| Aristotle Capital Boston, LLC | 541,027 | $25.7M | 0.60% | +75,575+16.2% | Added |
| Blair William & Co | 539,692 | $25.6M | 0.09% | −215,287−28.5% | Reduced |
| Northern Trust Corp | 483,970 | $22.9M | 0.00% | −6,462−1.3% | Reduced |
| NFJ Investment Group, LLC | 460,906 | $21.9M | 0.43% | −59,316−11.4% | Reduced |
| Norges Bank | 456,913 | $21.7M | 0.00% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 445,298 | $21.1M | 0.09% | +445,298 | New |
| Nuveen Asset Management, LLC | 426,339 | $20.2M | 0.01% | −50,864−10.7% | Reduced |
| Loomis Sayles & Co L P | 418,933 | $19.9M | 0.02% | −258,078−38.1% | Reduced |
| FMR LLC | 404,866 | $19.2M | 0.00% | +15,775+4.1% | Added |
| Price T Rowe Associates Inc | 393,904 | $18.7M | 0.00% | −29,491−7.0% | Reduced |
| Manufacturers Life Insurance Company, The | 371,912 | $17.6M | 0.01% | +73,781+24.7% | Added |
| Ranger Investment Management, L.P. | 360,439 | $17.1M | 0.91% | −9,775−2.6% | Reduced |
| Citadel Advisors LLC | 356,677 | $16.9M | 0.02% | +304,167+579.3% | Added |
| Franklin Resources Inc | 344,482 | $16.3M | 0.01% | −1,580,569−82.1% | Reduced |
| American Century Companies Inc | 337,347 | $16.0M | 0.01% | −129,992−27.8% | Reduced |
| Charles Schwab Investment Management Inc | 312,768 | $14.8M | 0.00% | −102,587−24.7% | Reduced |
| Comerica Bank | 281,182 | $14.8M | 0.09% | +62,670+28.7% | Added |
| AQR Capital Management LLC | 277,533 | $13.2M | 0.02% | +164,697+146.0% | Added |
| Millennium Management LLC | 273,233 | $13.0M | 0.02% | +34,362+14.4% | Added |
| Invesco Ltd. | 265,707 | $12.6M | 0.00% | −490,124−64.8% | Reduced |
| Neuberger Berman Group LLC | 268,612 | $12.6M | 0.01% | −7,210−2.6% | Reduced |
| Morgan Stanley | 264,835 | $12.6M | 0.00% | +196,964+290.2% | Added |
| Thrivent Financial for Lutherans | 235,546 | $11.2M | 0.02% | −175,564−42.7% | Reduced |
| Ameriprise Financial Inc | 222,960 | $10.6M | 0.00% | +27,954+14.3% | Added |
| Peregrine Capital Management LLC | 221,564 | $10.5M | 0.22% | −43,328−16.4% | Reduced |
| Cambiar Investors LLC | 220,956 | $10.5M | 0.36% | +4,671+2.2% | Added |
| Philadelphia Trust Co | 203,151 | $9.63M | 0.71% | +71,105+53.8% | Added |
| Principal Financial Group Inc | 194,076 | $9.20M | 0.01% | −1,209−0.6% | Reduced |
| Kennedy Capital Management, Inc. | 193,204 | $9.16M | 0.21% | −4,408−2.2% | Reduced |
| Eaton Vance Management | 190,398 | $8.98M | 0.01% | −529,204−73.5% | Reduced |
| Fiera Capital Corp | 185,710 | $8.81M | 0.02% | +185,710 | New |
| Retirement Systems of Alabama | 179,812 | $8.53M | 0.03% | +5,217+3.0% | Added |
| Bank of Nova Scotia | 179,165 | $8.50M | 0.02% | +179,165 | New |
| Marshall Wace, LLP | 167,919 | $7.96M | 0.04% | +157,897+1,575.5% | Added |
| WCM Investment Management, LLC | 166,639 | $7.90M | 0.02% | +954+0.6% | Added |
| Rhumbline Advisers | 140,215 | $6.65M | 0.01% | −4,441−3.1% | Reduced |
| Raymond James & Associates | 139,194 | $6.60M | 0.01% | +36,979+36.2% | Added |
| Fred Alger Management, LLC | 133,289 | $6.32M | 0.02% | +1,759+1.3% | Added |
| State of Wisconsin Investment Board | 128,327 | $6.08M | 0.01% | −5,567−4.2% | Reduced |
| UBS Group AG | 128,014 | $6.07M | 0.00% | −33,237−20.6% | Reduced |
| Citigroup Inc | 127,019 | $6.02M | 0.01% | +7,035+5.9% | Added |
| Swiss National Bank | 124,100 | $5.88M | 0.00% | +400+0.3% | Added |
| Voya Investment Management LLC | 120,300 | $5.71M | 0.01% | +111,494+1,266.1% | Added |
| Parametric Portfolio Associates LLC | 119,911 | $5.69M | 0.00% | +23,910+24.9% | Added |
| SEI Investments Co | 118,190 | $5.59M | 0.01% | −4,732−3.8% | Reduced |
| California Public Employees Retirement System | 113,017 | $5.36M | 0.00% | +1,858+1.7% | Added |
| Edgestream Partners, L.P. | 110,920 | $5.26M | 0.33% | +89,655+421.6% | Added |
| JPMorgan Chase & Co | 108,851 | $5.16M | 0.00% | +29,955+38.0% | Added |
| Cubist Systematic Strategies, LLC | 102,731 | $4.87M | 0.06% | +96,644+1,587.7% | Added |
| American International Group, Inc. | 96,712 | $4.59M | 0.02% | −3,043−3.1% | Reduced |
| California State Teachers Retirement System | 93,644 | $4.44M | 0.01% | −336−0.4% | Reduced |
| Rafferty Asset Management, LLC | 90,979 | $4.31M | 0.03% | −7,473−7.6% | Reduced |
| Legal & General Group Plc | 90,323 | $4.28M | 0.00% | +10,254+12.8% | Added |
| HRT Financial LP | 85,844 | $4.07M | 0.02% | +46,808+119.9% | Added |
| Squarepoint Ops LLC | 85,547 | $4.06M | 0.03% | +77,027+904.1% | Added |
| Credit Suisse AG | 81,946 | $3.89M | 0.00% | +3,880+5.0% | Added |
| Russell Investments Group, Ltd. | 81,722 | $3.87M | 0.01% | +6,428+8.5% | Added |
| Alliancebernstein L.P. | 80,981 | $3.84M | 0.00% | −5,514−6.4% | Reduced |
| UBS Asset Management Americas Inc | 77,673 | $3.68M | 0.00% | +1,193+1.6% | Added |
| King Luther Capital Management Corp | 76,590 | $3.63M | 0.02% | −29,770−28.0% | Reduced |
| BNP Paribas Arbitrage, SA | 71,876 | $3.41M | 0.01% | +6,377+9.7% | Added |
| South Dakota Investment Council | 68,950 | $3.27M | 0.06% | +68,950 | New |
| First Trust Advisors LP | 68,393 | $3.24M | 0.00% | −61,235−47.2% | Reduced |
| Holocene Advisors, LP | 67,034 | $3.18M | 0.02% | +14,800+28.3% | Added |
| Tudor Investment Corp Et Al | 63,010 | $2.99M | 0.06% | +63,010 | New |
| PEAK6 Investments LLC | 60,643 | $2.88M | 0.06% | +47,177+350.3% | Added |
| State Board of Administration of Florida Retirement System | 60,558 | $2.87M | 0.01% | −136−0.2% | Reduced |
| New York State Common Retirement Fund | 58,148 | $2.76M | 0.00% | −14,352−19.8% | Reduced |
| Barclays PLC | 57,253 | $2.72M | 0.00% | +12,594+28.2% | Added |
| Jump Financial, LLC | 56,827 | $2.69M | 0.19% | +56,827 | New |
| Segall Bryant & Hamill, LLC | 56,744 | $2.69M | 0.03% | +1,510+2.7% | Added |
| Taylor Wealth Management Partners | 56,216 | $2.67M | 0.95% | −37,460−40.0% | Reduced |
| Whittier Trust Co | 54,096 | $2.56M | 0.05% | +3,283+6.5% | Added |
| Duality Advisers, LP | 53,957 | $2.56M | 0.20% | +53,957 | New |
| State of New Jersey Common Pension Fund D | 52,646 | $2.50M | 0.01% | +12,570+31.4% | Added |
| New York State Teachers Retirement System | 52,278 | $2.48M | 0.01% | +2,874+5.8% | Added |
| EULAV Asset Management | 50,300 | $2.38M | 0.06% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 48,834 | $2.32M | 0.02% | +566+1.2% | Added |
| Macquarie Group Ltd | 46,491 | $2.20M | 0.00% | −888,489−95.0% | Reduced |