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; 393 institutions reported holding it in 13F filings for Q2 2026, worth $8.02B 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 | 393 | $8.02B |
| 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 |
|---|---|---|---|---|---|
| Walleye Trading LLC | 12,448 | $590.0K | 0.01% | +12,448 | New |
| PDT Partners, LLC | 12,577 | $596.0K | 0.04% | +12,577 | New |
| Baird Financial Group, Inc. | 13,095 | $621.0K | 0.00% | +13,095 | New |
| ExodusPoint Capital Management, LP | 13,111 | $622.0K | 0.01% | +13,111 | New |
| Schonfeld Strategic Advisors LLC | 13,155 | $624.0K | 0.01% | +13,155 | New |
| Algert Global LLC | 13,354 | $633.0K | 0.08% | +13,354 | New |
| Voloridge Investment Management, LLC | 13,408 | $636.0K | 0.00% | +13,408 | New |
| Cna Financial Corp | 13,947 | $661.0K | 0.18% | −4,271−23.4% | Reduced |
| State of Michigan Retirement System | 14,035 | $666.0K | 0.00% | −100−0.7% | Reduced |
| Balyasny Asset Management LLC | 14,180 | $672.0K | 0.00% | +10,014+240.4% | Added |
| Louisiana State Employees Retirement System | 14,300 | $678.0K | 0.02% | −300−2.1% | Reduced |
| Allstate Corp | 14,658 | $695.0K | 0.03% | +8,107+123.8% | Added |
| M&T Bank Corp | 14,886 | $706.0K | 0.00% | −55−0.4% | Reduced |
| Ameritas Investment Partners, Inc. | 15,180 | $720.0K | 0.03% | 00.0% | Unchanged |
| Arizona State Retirement System | 15,298 | $725.0K | 0.01% | +37+0.2% | Added |
| Deutsche Bank AG | 15,559 | $738.0K | 0.00% | −35,365−69.4% | Reduced |
| American Capital Management Inc | 17,115 | $812.0K | 0.02% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 17,154 | $813.0K | 0.02% | +17,154 | New |
| Geneva Capital Management LLC | 17,209 | $816.0K | 0.01% | −199,202−92.0% | Reduced |
| Beacon Investment Advisory Services, Inc. | 17,270 | $819.0K | 0.03% | −15,315−47.0% | Reduced |
| HSBC Holdings PLC | 17,964 | $854.0K | 0.00% | +1,565+9.5% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 18,554 | $880.0K | 0.01% | −155−0.8% | Reduced |
| CIBC Private Wealth Group, LLC | 18,669 | $885.0K | 0.00% | −808−4.1% | Reduced |
| Oregon Public Employees Retirement Fund | 18,894 | $896.0K | 0.01% | −158−0.8% | Reduced |
| Walleye Capital LLC | 19,713 | $935.0K | 0.03% | +19,713 | New |
| Treasurer of the State of North Carolina | 19,889 | $943.0K | 0.01% | +669+3.5% | Added |
| Stanley-Laman Group, Ltd. | 20,315 | $963.0K | 0.13% | +3,078+17.9% | Added |
| Advisors Asset Management, Inc. | 20,635 | $979.0K | 0.01% | −1,688−7.6% | Reduced |
| Bank of Montreal | 21,227 | $1.01M | 0.00% | +1,972+10.2% | Added |
| Whittier Trust Co of Nevada Inc | 21,972 | $1.04M | 0.04% | +1,094+5.2% | Added |
| Marshall Wace North America L.P. | 22,073 | $1.05M | 0.00% | −103,176−82.4% | Reduced |
| Gsa Capital Partners LLP | 22,256 | $1.05M | 0.11% | +22,256 | New |
| SG Americas Securities, LLC | 22,672 | $1.07M | 0.01% | +12,603+125.2% | Added |
| Stratos Wealth Partners, LTD. | 25,950 | $1.23M | 0.03% | +10,114+63.9% | Added |
| Great West Life Assurance Co | 26,561 | $1.27M | 0.00% | +4,623+21.1% | Added |
| MetLife Investment Management | 26,980 | $1.28M | 0.01% | −1,082−3.9% | Reduced |
| Guggenheim Capital LLC | 30,049 | $1.43M | 0.01% | +2,372+8.6% | Added |
| Quantbot Technologies LP | 30,086 | $1.43M | 0.10% | +30,086 | New |
| AlphaCrest Capital Management LLC | 30,390 | $1.44M | 0.07% | +25,118+476.4% | Added |
| Penn Capital Management Co Inc | 31,007 | $1.47M | 0.15% | −2,201−6.6% | Reduced |
| Public Employees Retirement System of Ohio | 31,495 | $1.49M | 0.01% | −387−1.2% | Reduced |
| Lazard Asset Management LLC | 32,399 | $1.53M | 0.00% | +28,088+651.5% | Added |
| Nicholas Company, Inc. | 32,470 | $1.54M | 0.03% | −83,990−72.1% | Reduced |
| Engineers Gate Manager LP | 35,984 | $1.71M | 0.10% | +35,984 | New |
| Amalgamated Bank | 39,891 | $1.89M | 0.02% | −4,128−9.4% | Reduced |
| Man Group plc | 40,706 | $1.93M | 0.01% | +8,585+26.7% | Added |
| Texas Permanent School Fund | 41,544 | $1.97M | 0.02% | −309−0.7% | Reduced |
| Ironwood Investment Management LLC | 41,886 | $1.99M | 1.03% | +29+0.1% | Added |
| Ensign Peak Advisors, Inc | 42,021 | $1.99M | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 44,232 | $2.10M | 0.00% | +9,124+26.0% | Added |
| Cutter & CO Brokerage, Inc. | 44,505 | $2.11M | 0.50% | +39,265+749.3% | Added |
| Macquarie Group Ltd | 46,491 | $2.20M | 0.00% | −888,489−95.0% | Reduced |
| Mutual of America Capital Management LLC | 48,834 | $2.32M | 0.02% | +566+1.2% | Added |
| EULAV Asset Management | 50,300 | $2.38M | 0.06% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 52,278 | $2.48M | 0.01% | +2,874+5.8% | Added |
| State of New Jersey Common Pension Fund D | 52,646 | $2.50M | 0.01% | +12,570+31.4% | Added |
| Duality Advisers, LP | 53,957 | $2.56M | 0.20% | +53,957 | New |
| Whittier Trust Co | 54,096 | $2.56M | 0.05% | +3,283+6.5% | Added |
| Taylor Wealth Management Partners | 56,216 | $2.67M | 0.95% | −37,460−40.0% | Reduced |
| Segall Bryant & Hamill, LLC | 56,744 | $2.69M | 0.03% | +1,510+2.7% | Added |
| Jump Financial, LLC | 56,827 | $2.69M | 0.19% | +56,827 | New |
| Barclays PLC | 57,253 | $2.72M | 0.00% | +12,594+28.2% | Added |
| New York State Common Retirement Fund | 58,148 | $2.76M | 0.00% | −14,352−19.8% | Reduced |
| State Board of Administration of Florida Retirement System | 60,558 | $2.87M | 0.01% | −136−0.2% | Reduced |
| PEAK6 Investments LLC | 60,643 | $2.88M | 0.06% | +47,177+350.3% | Added |
| Tudor Investment Corp Et Al | 63,010 | $2.99M | 0.06% | +63,010 | New |
| Holocene Advisors, LP | 67,034 | $3.18M | 0.02% | +14,800+28.3% | Added |
| First Trust Advisors LP | 68,393 | $3.24M | 0.00% | −61,235−47.2% | Reduced |
| South Dakota Investment Council | 68,950 | $3.27M | 0.06% | +68,950 | New |
| BNP Paribas Arbitrage, SA | 71,876 | $3.41M | 0.01% | +6,377+9.7% | Added |
| King Luther Capital Management Corp | 76,590 | $3.63M | 0.02% | −29,770−28.0% | Reduced |
| UBS Asset Management Americas Inc | 77,673 | $3.68M | 0.00% | +1,193+1.6% | Added |
| Alliancebernstein L.P. | 80,981 | $3.84M | 0.00% | −5,514−6.4% | Reduced |
| Russell Investments Group, Ltd. | 81,722 | $3.87M | 0.01% | +6,428+8.5% | Added |
| Credit Suisse AG | 81,946 | $3.89M | 0.00% | +3,880+5.0% | Added |
| Squarepoint Ops LLC | 85,547 | $4.06M | 0.03% | +77,027+904.1% | Added |
| HRT Financial LP | 85,844 | $4.07M | 0.02% | +46,808+119.9% | Added |
| Legal & General Group Plc | 90,323 | $4.28M | 0.00% | +10,254+12.8% | Added |
| Rafferty Asset Management, LLC | 90,979 | $4.31M | 0.03% | −7,473−7.6% | Reduced |
| California State Teachers Retirement System | 93,644 | $4.44M | 0.01% | −336−0.4% | Reduced |
| American International Group, Inc. | 96,712 | $4.59M | 0.02% | −3,043−3.1% | Reduced |
| Cubist Systematic Strategies, LLC | 102,731 | $4.87M | 0.06% | +96,644+1,587.7% | Added |
| JPMorgan Chase & Co | 108,851 | $5.16M | 0.00% | +29,955+38.0% | Added |
| Edgestream Partners, L.P. | 110,920 | $5.26M | 0.33% | +89,655+421.6% | Added |
| California Public Employees Retirement System | 113,017 | $5.36M | 0.00% | +1,858+1.7% | Added |
| SEI Investments Co | 118,190 | $5.59M | 0.01% | −4,732−3.8% | Reduced |
| Parametric Portfolio Associates LLC | 119,911 | $5.69M | 0.00% | +23,910+24.9% | Added |
| Voya Investment Management LLC | 120,300 | $5.71M | 0.01% | +111,494+1,266.1% | Added |
| Swiss National Bank | 124,100 | $5.88M | 0.00% | +400+0.3% | Added |
| Citigroup Inc | 127,019 | $6.02M | 0.01% | +7,035+5.9% | Added |
| UBS Group AG | 128,014 | $6.07M | 0.00% | −33,237−20.6% | Reduced |
| State of Wisconsin Investment Board | 128,327 | $6.08M | 0.01% | −5,567−4.2% | Reduced |
| Fred Alger Management, LLC | 133,289 | $6.32M | 0.02% | +1,759+1.3% | Added |
| Raymond James & Associates | 139,194 | $6.60M | 0.01% | +36,979+36.2% | Added |
| Rhumbline Advisers | 140,215 | $6.65M | 0.01% | −4,441−3.1% | Reduced |
| WCM Investment Management, LLC | 166,639 | $7.90M | 0.02% | +954+0.6% | Added |
| Marshall Wace, LLP | 167,919 | $7.96M | 0.04% | +157,897+1,575.5% | Added |
| Bank of Nova Scotia | 179,165 | $8.50M | 0.02% | +179,165 | New |
| Retirement Systems of Alabama | 179,812 | $8.53M | 0.03% | +5,217+3.0% | Added |
| Fiera Capital Corp | 185,710 | $8.81M | 0.02% | +185,710 | New |