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 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 | 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 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 |
|---|---|---|---|---|---|
| Intech Investment Management LLC | 33,591 | $2.60M | 0.02% | −1,996−5.6% | Reduced |
| AQR Capital Management LLC | 34,329 | $2.59M | 0.00% | +1,422+4.3% | Added |
| HRT Financial LP | 33,332 | $2.58M | 0.01% | +33,332 | New |
| State of New Jersey Common Pension Fund D | 32,405 | $2.51M | 0.01% | +32,405 | New |
| Voya Investment Management LLC | 32,114 | $2.49M | 0.00% | −1,152−3.5% | Reduced |
| Bouvel Investment Partners, LLC | 31,459 | $2.43M | 0.75% | +651+2.1% | Added |
| Edgestream Partners, L.P. | 31,098 | $2.41M | 0.07% | +31,098 | New |
| TD Asset Management Inc | 30,954 | $2.40M | 0.00% | +19,236+164.2% | Added |
| Pathstone Holdings, LLC | 30,405 | $2.35M | 0.01% | +5,536+22.3% | Added |
| State of Alaska, Department of Revenue | 30,077 | $2.33M | 0.02% | −155−0.5% | Reduced |
| Oppenheimer & Co Inc | 30,018 | $2.32M | 0.03% | −2,767−8.4% | Reduced |
| Moody National Bank Trust Division | 29,828 | $2.31M | 0.19% | −11,186−27.3% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 27,796 | $2.15M | 0.08% | +11,989+75.8% | Added |
| Manufacturers Life Insurance Company, The | 27,520 | $2.13M | 0.00% | −1,262−4.4% | Reduced |
| Jane Street Group, LLC | 25,641 | $1.98M | 0.00% | +25,641 | New |
| Qube Research & Technologies Ltd | 25,530 | $1.98M | 0.00% | +25,530 | New |
| Trexquant Investment LP | 25,139 | $1.95M | 0.02% | −97,182−79.4% | Reduced |
| Illinois Municipal Retirement Fund | 24,996 | $1.93M | 0.02% | −786−3.0% | Reduced |
| Creative Planning | 24,814 | $1.92M | 0.00% | +8,975+56.7% | Added |
| Archon Capital Management LLC | 24,600 | $1.90M | 1.13% | −25,000−50.4% | Reduced |
| Louisiana State Employees Retirement System | 24,200 | $1.87M | 0.03% | +500+2.1% | Added |
| Legato Capital Management LLC | 24,085 | $1.86M | 0.20% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 24,042 | $1.86M | 0.01% | +24,042 | New |
| Franklin Resources Inc | 23,991 | $1.86M | 0.00% | +6,281+35.5% | Added |
| Millennium Management LLC | 22,350 | $1.73M | 0.00% | −486,068−95.6% | Reduced |
| Two Sigma Advisers, LP | 21,100 | $1.63M | 0.00% | −1,900−8.3% | Reduced |
| State of Tennessee, Treasury Department | 20,756 | $1.61M | 0.01% | −93−0.4% | Reduced |
| Janus Henderson Group PLC | 20,425 | $1.58M | 0.00% | 00.0% | Unchanged |
| One Capital Management, LLC | 20,407 | $1.58M | 0.05% | +478+2.4% | Added |
| Future Fund LLC | 20,387 | $1.58M | 0.56% | −5,347−20.8% | Reduced |
| Envestnet Asset Management Inc | 19,781 | $1.53M | 0.00% | +3,676+22.8% | Added |
| BNP Paribas Arbitrage, SA | 18,746 | $1.45M | 0.00% | −15,928−45.9% | Reduced |
| Sandler Capital Management | 18,628 | $1.44M | 0.53% | +18,628 | New |
| Gotham Asset Management, LLC | 18,454 | $1.43M | 0.01% | −24,315−56.9% | Reduced |
| M&T Bank Corp | 17,769 | $1.38M | 0.00% | −3,099−14.9% | Reduced |
| Yousif Capital Management, LLC | 16,385 | $1.27M | 0.01% | −2,578−13.6% | Reduced |
| Stifel Financial Corp | 16,352 | $1.27M | 0.00% | −2,832−14.8% | Reduced |
| Summit Trail Advisors, LLC | 16,203 | $1.25M | 0.02% | +5,398+50.0% | Added |
| ExodusPoint Capital Management, LP | 15,912 | $1.23M | 0.02% | +15,912 | New |
| Cookson Peirce & Co Inc | 15,907 | $1.23M | 0.05% | −18,310−53.5% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 15,532 | $1.20M | 0.00% | +8,935+135.4% | Added |
| Bayforest Capital Ltd | 15,515 | $1.20M | 0.57% | +679+4.6% | Added |
| Candelo Capital Management LP | 15,300 | $1.18M | 1.06% | +15,300 | New |
| Amalgamated Bank | 15,250 | $1.18M | 0.01% | +760+5.2% | Added |
| Aquatic Capital Management LLC | 15,191 | $1.18M | 0.02% | +15,191 | New |
| Arizona State Retirement System | 15,016 | $1.16M | 0.01% | +234+1.6% | Added |
| Teachers Retirement System of the State of Kentucky | 14,671 | $1.14M | 0.01% | −3,396−18.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 14,417 | $1.12M | 0.01% | +2,430+20.3% | Added |
| State Board of Administration of Florida Retirement System | 14,269 | $1.10M | 0.00% | 00.0% | Unchanged |
| FIL Ltd | 14,196 | $1.10M | 0.00% | −9,048−38.9% | Reduced |
| Captrust Financial Advisors | 13,739 | $1.06M | 0.00% | −107−0.8% | Reduced |
| Bayesian Capital Management, LP | 13,654 | $1.06M | 0.22% | +13,654 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,428 | $1.04M | 0.01% | +388+3.0% | Added |
| Schonfeld Strategic Advisors LLC | 13,082 | $1.01M | 0.01% | +13,082 | New |
| STRS Ohio | 13,000 | $1.01M | 0.00% | +13,000 | New |
| Jump Financial, LLC | 12,866 | $995.8K | 0.01% | +12,866 | New |
| Rafferty Asset Management, LLC | 12,790 | $989.9K | 0.00% | −373−2.8% | Reduced |
| Advisor Group Holdings, Inc. | 14,416 | $977.3K | 0.00% | +13,817+2,306.7% | Added |
| Gsa Capital Partners LLP | 12,089 | $936.0K | 0.08% | −1,783−12.9% | Reduced |
| Ensign Peak Advisors, Inc | 12,052 | $932.8K | 0.00% | −7,950−39.7% | Reduced |
| Oregon Public Employees Retirement Fund | 11,871 | $918.8K | 0.01% | +209+1.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,172 | $864.7K | 0.00% | +2,689+31.7% | Added |
| KLP Kapitalforvaltning AS | 11,100 | $859.1K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 11,104 | $859.0K | 0.00% | −3,815−25.6% | Reduced |
| Altfest L J & Co Inc | 11,070 | $856.8K | 0.10% | −1,705−13.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,963 | $848.5K | 0.00% | +544+5.2% | Added |
| Gabelli Funds LLC | 10,667 | $825.6K | 0.01% | −2,142−16.7% | Reduced |
| Needham Investment Management LLC | 10,000 | $774.0K | 0.05% | 00.0% | Unchanged |
| Yarbrough Capital, LLC | 9,991 | $773.3K | 0.02% | 00.0% | Unchanged |
| Neo Ivy Capital Management | 9,844 | $761.9K | 0.19% | −40,788−80.6% | Reduced |
| ProShare Advisors LLC | 9,822 | $760.2K | 0.00% | −1,778−15.3% | Reduced |
| Glenmede Investment Management, LP | 9,658 | $747.5K | 0.00% | −1,926−16.6% | Reduced |
| Two Sigma Securities, LLC | 9,494 | $734.8K | 0.11% | +9,494 | New |
| Greenwood Capital Associates LLC | 9,382 | $726.2K | 0.08% | −584−5.9% | Reduced |
| Bank of Montreal | 9,167 | $709.5K | 0.00% | −3,227−26.0% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 9,158 | $709.0K | 0.01% | +1,407+18.2% | Added |
| Susquehanna International Group, LLP | 8,668 | $670.9K | 0.00% | −60,647−87.5% | Reduced |
| Keybank National Association | 8,561 | $662.6K | 0.00% | −707−7.6% | Reduced |
| Verition Fund Management LLC | 8,191 | $634.0K | 0.00% | −164,059−95.2% | Reduced |
| Quadrant Capital Group LLC | 7,697 | $595.7K | 0.02% | +5+0.1% | Added |
| CWM, LLC | 7,660 | $593.0K | 0.00% | +305+4.1% | Added |
| Cim Investment Mangement Inc | 7,620 | $589.8K | 0.16% | −8,207−51.9% | Reduced |
| Maryland State Retirement & Pension System | 7,580 | $586.7K | 0.01% | −7,240−48.9% | Reduced |
| Pictet Asset Management Holding SA | 7,491 | $579.8K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 7,175 | $555.3K | 0.00% | +142+2.0% | Added |
| 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 |
| Caxton Associates LLP | 6,813 | $527.3K | 0.01% | +6,813 | New |
| Hunter Perkins Capital Management, LLC | 6,660 | $515.0K | 0.11% | −2,201−24.8% | Reduced |
| Teacher Retirement System of Texas | 6,647 | $514.5K | 0.00% | −1,056−13.7% | Reduced |
| Public Employees Retirement Association of Colorado | 6,263 | $485.0K | 0.00% | −177−2.7% | Reduced |
| American Century Companies Inc | 5,919 | $458.1K | 0.00% | −7,028−54.3% | Reduced |
| Nomura Holdings Inc | 5,802 | $449.1K | 0.00% | +5,802 | New |
| CI Private Wealth, LLC | 5,755 | $445.4K | 0.00% | −8,935−60.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 5,735 | $443.9K | 0.00% | +5,735 | New |
| Pacer Advisors, Inc. | 5,710 | $442.0K | 0.00% | −275−4.6% | Reduced |
| DekaBank Deutsche Girozentrale | 5,826 | $435.0K | 0.00% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 5,551 | $429.6K | 0.00% | +5,551 | New |
| Fuller & Thaler Asset Management, Inc. | 5,431 | $420.4K | 0.00% | −33−0.6% | Reduced |
| CIBC Asset Management Inc | 5,217 | $403.8K | 0.00% | 00.0% | Unchanged |