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 2023
Institutional positions in Mercury Systems Inc as of Sep 30, 2023. 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
- 217
- −17 vs. Q2 2023
- Shares held
- 59.8M
- +7.96M (+15.4%) vs. Q2 2023
- Total value
- $2.22B
- +$424.2M (+23.7%) vs. Q2 2023
- New holders
- 34
- 95 more added
- Sold out
- 51
- 63 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 791,915 | $29.4M | 0.00% | −73,112−8.5% | Reduced |
| Manufacturers Life Insurance Company, The | 824,082 | $30.6M | 0.02% | +277,689+50.8% | Added |
| Cooper Creek Partners Management LLC | 870,936 | $32.3M | 1.97% | +472,803+118.8% | Added |
| Royal Bank of Canada | 887,865 | $32.9M | 0.01% | +183,918+26.1% | Added |
| Snyder Capital Management L P | 1,050,433 | $39.0M | 0.88% | +168,311+19.1% | Added |
| Segall Bryant & Hamill, LLC | 1,264,156 | $46.9M | 0.54% | +631,392+99.8% | Added |
| Westwood Holdings Group Inc. | 1,345,963 | $49.9M | 0.47% | +354,336+35.7% | Added |
| Dimensional Fund Advisors LP | 1,648,955 | $61.2M | 0.02% | +80,799+5.2% | Added |
| Bamco Inc | 1,674,236 | $62.1M | 0.18% | +197,600+13.4% | Added |
| Victory Capital Management Inc | 1,772,694 | $65.7M | 0.08% | +52,079+3.0% | Added |
| Conestoga Capital Advisors, LLC | 2,161,486 | $80.2M | 1.38% | −314,225−12.7% | Reduced |
| Starboard Value LPSuperinvestorStarboard Value | 2,308,800 | $85.6M | 2.19% | −527,200−18.6% | Reduced |
| State Street Corp | 3,048,997 | $113.1M | 0.01% | +468,013+18.1% | Added |
| JANA Partners Management, LP | 4,705,249 | $174.5M | 12.45% | +4,705,249 | New |
| Vanguard Group Inc | 5,615,965 | $208.3M | 0.01% | +429,532+8.3% | Added |
| William Blair Investment Management, LLC | 6,749,562 | $250.3M | 0.83% | +1,376,905+25.6% | Added |
| BlackRock Inc. | 7,193,274 | $266.8M | 0.01% | +1,399,643+24.2% | Added |
| Wolf Hill Capital Management, LP | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Emerald Mutual Fund Advisers Trust | 0 | $0 | 0.00% | −142,892−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −91,283−100.0% | Sold out |
| Retirement Systems of Alabama | 0 | $0 | 0.00% | −74,989−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −65,196−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −54,116−100.0% | Sold out |
| BCK Capital Management LP | 0 | $0 | 0.00% | −37,134−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −36,941−100.0% | Sold out |
| Bardin Hill Management Partners LP | 0 | $0 | 0.00% | −35,751−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −33,373−100.0% | Sold out |
| EULAV Asset Management | 0 | $0 | 0.00% | −33,200−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −31,329−100.0% | Sold out |
| Silphium Asset Management Ltd | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Greenland Capital Management LP | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| P Schoenfeld Asset Management LP | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −22,679−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −18,208−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −16,008−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −15,200−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −14,832−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −14,495−100.0% | Sold out |
| State of Michigan Retirement System | 0 | $0 | 0.00% | −14,306−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −13,707−100.0% | Sold out |
| Van Hulzen Asset Management, LLC | 0 | $0 | 0.00% | −13,528−100.0% | Sold out |
| Northwestern Mutual Investment Management Company, LLC | 0 | $0 | 0.00% | −12,932−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −12,310−100.0% | Sold out |
| New Mexico Educational Retirement Board | 0 | $0 | 0.00% | −11,900−100.0% | Sold out |
| Exchange Traded Concepts, LLC | 0 | $0 | 0.00% | −11,671−100.0% | Sold out |
| Select Equity Group, L.P. | 0 | $0 | 0.00% | −11,026−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −10,486−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −9,997−100.0% | Sold out |
| Pathstone Family Office, LLC | 0 | $0 | 0.00% | −9,399−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −8,974−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −8,812−100.0% | Sold out |
| Xponance, Inc. | 0 | $0 | 0.00% | −6,812−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −6,740−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −5,808−100.0% | Sold out |
| Securian Asset Management, Inc | 0 | $0 | 0.00% | −5,157−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −2,834−100.0% | Sold out |
| Pinebridge Investments, L.P. | 0 | $0 | 0.00% | −1,853−100.0% | Sold out |
| Tradition Wealth Management, LLC | 0 | $0 | 0.00% | −1,089−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −237−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −217−100.0% | Sold out |
| Foster Dykema Cabot & Co Inc | 0 | $0 | 0.00% | −99−100.0% | Sold out |
| FinTrust Capital Advisors, LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Disciplined Investments, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Jana Partners LLC | – | – | – | – | Not filed |
| Cowen Prime Advisors LLC | – | – | – | – | Not filed |