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 2025
Institutional positions in Mercury Systems Inc as of Sep 30, 2025. 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
- 326
- +43 vs. Q2 2025
- Shares held
- 64.9M
- −161.8K (−0.2%) vs. Q2 2025
- Total value
- $5.02B
- +$1.52B (+43.4%) vs. Q2 2025
- New holders
- 69
- 108 more added
- Sold out
- 26
- 109 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Toroso Investments, LLC | 3,272 | $253.3K | 0.00% | +3,272 | New |
| Crossmark Global Holdings, Inc. | 3,281 | $253.9K | 0.00% | +3,281 | New |
| Panagora Asset Management Inc | 3,362 | $260.2K | 0.00% | +3,362 | New |
| Walleye Trading LLC | 3,401 | $263.2K | 0.00% | −226−6.2% | Reduced |
| NorthCrest Asset Manangement, LLC | 3,213 | $268.2K | 0.01% | +3,213 | New |
| Mariner, LLC | 3,486 | $269.8K | 0.00% | +3,486 | New |
| Storebrand Asset Management AS | 3,500 | $270.9K | 0.00% | +3,500 | New |
| Mackenzie Financial Corp | 3,507 | $271.4K | 0.00% | −14,342−80.4% | Reduced |
| Johnson Investment Counsel Inc | 3,627 | $280.7K | 0.00% | −2,180−37.5% | Reduced |
| Headlands Technologies LLC | 3,801 | $294.2K | 0.02% | +3,801 | New |
| Alamea Verwaltungs GmbH | 3,897 | $301.6K | 0.21% | +3,897 | New |
| JustInvest LLC | 3,971 | $307.4K | 0.00% | +3,971 | New |
| Xponance, Inc. | 4,051 | $313.5K | 0.00% | +27+0.7% | Added |
| Vicus Capital | 4,089 | $316.5K | 0.02% | +4,089 | New |
| Centaurus Financial, Inc. | 4,192 | $324.0K | 0.02% | −774−15.6% | Reduced |
| Lombard Odier Asset Management (USA) Corp | 4,206 | $325.5K | 0.07% | −3,399−44.7% | Reduced |
| Grimes & Company, Inc. | 4,220 | $326.6K | 0.01% | +4,220 | New |
| Ameritas Investment Partners, Inc. | 4,351 | $336.8K | 0.01% | −1,020−19.0% | Reduced |
| Verdence Capital Advisors LLC | 4,469 | $351.0K | 0.02% | +79+1.8% | Added |
| Moors & Cabot, Inc. | 4,600 | $356.0K | 0.02% | −650−12.4% | Reduced |
| Swedbank AB | 4,665 | $361.1K | 0.00% | +4,665 | New |
| EntryPoint Capital, LLC | 4,677 | $362.0K | 0.14% | +4,677 | New |
| Picton Mahoney Asset Management | 4,740 | $367.0K | 0.00% | +4,740 | New |
| Jain Global LLC | 4,866 | $376.6K | 0.00% | +4,866 | New |
| Wealth Enhancement Advisory Services, LLC | 4,525 | $377.7K | 0.00% | +390+9.4% | Added |
| Evergreen Capital Management LLC | 5,118 | $396.1K | 0.01% | +1,180+30.0% | Added |
| CIBC Asset Management Inc | 5,217 | $403.8K | 0.00% | 00.0% | Unchanged |
| Fuller & Thaler Asset Management, Inc. | 5,431 | $420.4K | 0.00% | −33−0.6% | Reduced |
| CIBC Bancorp USA Inc. | 5,551 | $429.6K | 0.00% | +5,551 | New |
| DekaBank Deutsche Girozentrale | 5,826 | $435.0K | 0.00% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 5,710 | $442.0K | 0.00% | −275−4.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 5,735 | $443.9K | 0.00% | +5,735 | New |
| CI Private Wealth, LLC | 5,755 | $445.4K | 0.00% | −8,935−60.8% | Reduced |
| Nomura Holdings Inc | 5,802 | $449.1K | 0.00% | +5,802 | New |
| American Century Companies Inc | 5,919 | $458.1K | 0.00% | −7,028−54.3% | Reduced |
| Public Employees Retirement Association of Colorado | 6,263 | $485.0K | 0.00% | −177−2.7% | Reduced |
| Teacher Retirement System of Texas | 6,647 | $514.5K | 0.00% | −1,056−13.7% | Reduced |
| Hunter Perkins Capital Management, LLC | 6,660 | $515.0K | 0.11% | −2,201−24.8% | Reduced |
| Caxton Associates LLP | 6,813 | $527.3K | 0.01% | +6,813 | New |
| New Age Alpha Advisors, LLC | 6,929 | $536.3K | 0.02% | −166−2.3% | Reduced |
| Colony Group, LLC | 6,929 | $536.3K | 0.00% | +199+3.0% | Added |
| The PNC Financial Services Group, Inc. | 7,175 | $555.3K | 0.00% | +142+2.0% | Added |
| Pictet Asset Management Holding SA | 7,491 | $579.8K | 0.00% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 7,580 | $586.7K | 0.01% | −7,240−48.9% | Reduced |
| Cim Investment Mangement Inc | 7,620 | $589.8K | 0.16% | −8,207−51.9% | Reduced |
| CWM, LLC | 7,660 | $593.0K | 0.00% | +305+4.1% | Added |
| Quadrant Capital Group LLC | 7,697 | $595.7K | 0.02% | +5+0.1% | Added |
| Verition Fund Management LLC | 8,191 | $634.0K | 0.00% | −164,059−95.2% | Reduced |
| Keybank National Association | 8,561 | $662.6K | 0.00% | −707−7.6% | Reduced |
| Susquehanna International Group, LLP | 8,668 | $670.9K | 0.00% | −60,647−87.5% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 9,158 | $709.0K | 0.01% | +1,407+18.2% | Added |
| Bank of Montreal | 9,167 | $709.5K | 0.00% | −3,227−26.0% | Reduced |
| Greenwood Capital Associates LLC | 9,382 | $726.2K | 0.08% | −584−5.9% | Reduced |
| Two Sigma Securities, LLC | 9,494 | $734.8K | 0.11% | +9,494 | New |
| Glenmede Investment Management, LP | 9,658 | $747.5K | 0.00% | −1,926−16.6% | Reduced |
| ProShare Advisors LLC | 9,822 | $760.2K | 0.00% | −1,778−15.3% | Reduced |
| Neo Ivy Capital Management | 9,844 | $761.9K | 0.19% | −40,788−80.6% | Reduced |
| Yarbrough Capital, LLC | 9,991 | $773.3K | 0.02% | 00.0% | Unchanged |
| Needham Investment Management LLC | 10,000 | $774.0K | 0.05% | 00.0% | Unchanged |
| Gabelli Funds LLC | 10,667 | $825.6K | 0.01% | −2,142−16.7% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,963 | $848.5K | 0.00% | +544+5.2% | Added |
| Altfest L J & Co Inc | 11,070 | $856.8K | 0.10% | −1,705−13.3% | Reduced |
| SG Americas Securities, LLC | 11,104 | $859.0K | 0.00% | −3,815−25.6% | Reduced |
| KLP Kapitalforvaltning AS | 11,100 | $859.1K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,172 | $864.7K | 0.00% | +2,689+31.7% | Added |
| Oregon Public Employees Retirement Fund | 11,871 | $918.8K | 0.01% | +209+1.8% | Added |
| Ensign Peak Advisors, Inc | 12,052 | $932.8K | 0.00% | −7,950−39.7% | Reduced |
| Gsa Capital Partners LLP | 12,089 | $936.0K | 0.08% | −1,783−12.9% | Reduced |
| Advisor Group Holdings, Inc. | 14,416 | $977.3K | 0.00% | +13,817+2,306.7% | Added |
| Rafferty Asset Management, LLC | 12,790 | $989.9K | 0.00% | −373−2.8% | Reduced |
| Jump Financial, LLC | 12,866 | $995.8K | 0.01% | +12,866 | New |
| STRS Ohio | 13,000 | $1.01M | 0.00% | +13,000 | New |
| Schonfeld Strategic Advisors LLC | 13,082 | $1.01M | 0.01% | +13,082 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,428 | $1.04M | 0.01% | +388+3.0% | Added |
| Bayesian Capital Management, LP | 13,654 | $1.06M | 0.22% | +13,654 | New |
| Captrust Financial Advisors | 13,739 | $1.06M | 0.00% | −107−0.8% | Reduced |
| FIL Ltd | 14,196 | $1.10M | 0.00% | −9,048−38.9% | Reduced |
| State Board of Administration of Florida Retirement System | 14,269 | $1.10M | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 14,417 | $1.12M | 0.01% | +2,430+20.3% | Added |
| Teachers Retirement System of the State of Kentucky | 14,671 | $1.14M | 0.01% | −3,396−18.8% | Reduced |
| Arizona State Retirement System | 15,016 | $1.16M | 0.01% | +234+1.6% | Added |
| Aquatic Capital Management LLC | 15,191 | $1.18M | 0.02% | +15,191 | New |
| Amalgamated Bank | 15,250 | $1.18M | 0.01% | +760+5.2% | Added |
| Candelo Capital Management LP | 15,300 | $1.18M | 1.06% | +15,300 | New |
| Bayforest Capital Ltd | 15,515 | $1.20M | 0.57% | +679+4.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 15,532 | $1.20M | 0.00% | +8,935+135.4% | Added |
| Cookson Peirce & Co Inc | 15,907 | $1.23M | 0.05% | −18,310−53.5% | Reduced |
| ExodusPoint Capital Management, LP | 15,912 | $1.23M | 0.02% | +15,912 | New |
| Summit Trail Advisors, LLC | 16,203 | $1.25M | 0.02% | +5,398+50.0% | Added |
| Stifel Financial Corp | 16,352 | $1.27M | 0.00% | −2,832−14.8% | Reduced |
| Yousif Capital Management, LLC | 16,385 | $1.27M | 0.01% | −2,578−13.6% | Reduced |
| M&T Bank Corp | 17,769 | $1.38M | 0.00% | −3,099−14.9% | Reduced |
| Gotham Asset Management, LLC | 18,454 | $1.43M | 0.01% | −24,315−56.9% | Reduced |
| Sandler Capital Management | 18,628 | $1.44M | 0.53% | +18,628 | New |
| BNP Paribas Arbitrage, SA | 18,746 | $1.45M | 0.00% | −15,928−45.9% | Reduced |
| Envestnet Asset Management Inc | 19,781 | $1.53M | 0.00% | +3,676+22.8% | Added |
| Future Fund LLC | 20,387 | $1.58M | 0.56% | −5,347−20.8% | Reduced |
| One Capital Management, LLC | 20,407 | $1.58M | 0.05% | +478+2.4% | Added |
| Janus Henderson Group PLC | 20,425 | $1.58M | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 20,756 | $1.61M | 0.01% | −93−0.4% | Reduced |