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, Q1 2025
Institutional positions in Mercury Systems Inc as of Mar 31, 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
- 253
- +14 vs. Q4 2024
- Shares held
- 63.1M
- +450.3K (+0.7%) vs. Q4 2024
- Total value
- $2.72B
- +$87.3M (+3.3%) vs. Q4 2024
- New holders
- 45
- 81 more added
- Sold out
- 31
- 90 more reduced
4 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Needham Investment Management LLC | 27,500 | $1.18M | 0.11% | −2,500−8.3% | Reduced |
| SummitTX Capital, L.P. | 27,148 | $1.17M | 0.05% | +27,148 | New |
| Corebridge Financial, Inc. | 27,116 | $1.17M | 0.01% | −528−1.9% | Reduced |
| Illinois Municipal Retirement Fund | 26,872 | $1.16M | 0.02% | −1,582−5.6% | Reduced |
| Natixis Advisors, L.P. | 26,642 | $1.15M | 0.00% | +10,367+63.7% | Added |
| Voya Investment Management LLC | 25,440 | $1.10M | 0.00% | +9,616+60.8% | Added |
| SG Americas Securities, LLC | 24,504 | $1.06M | 0.00% | +24,504 | New |
| Louisiana State Employees Retirement System | 23,900 | $1.03M | 0.02% | −600−2.4% | Reduced |
| Janus Henderson Group PLC | 24,025 | $1.03M | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 22,650 | $976.0K | 0.03% | +22,650 | New |
| Caxton Associates LLP | 22,609 | $974.2K | 0.03% | +22,609 | New |
| BNP Paribas Arbitrage, SA | 22,587 | $973.3K | 0.00% | −11,893−34.5% | Reduced |
| M&T Bank Corp | 22,440 | $966.6K | 0.00% | −47,417−67.9% | Reduced |
| FIL Ltd | 21,379 | $921.2K | 0.00% | +21,379 | New |
| Pathstone Holdings, LLC | 20,894 | $900.3K | 0.00% | +9,133+77.7% | Added |
| Ensign Peak Advisors, Inc | 20,002 | $861.9K | 0.00% | 00.0% | Unchanged |
| Calamos Advisors LLC | 19,684 | $848.2K | 0.00% | +19,684 | New |
| Teachers Retirement System of the State of Kentucky | 19,640 | $846.0K | 0.01% | 00.0% | Unchanged |
| Yousif Capital Management, LLC | 18,843 | $811.9K | 0.01% | −473−2.4% | Reduced |
| Select Equity Group, L.P. | 18,551 | $799.4K | 0.00% | +18,551 | New |
| Qube Research & Technologies Ltd | 17,973 | $774.5K | 0.00% | +17,973 | New |
| State of Tennessee, Treasury Department | 17,923 | $772.3K | 0.00% | +5,257+41.5% | Added |
| Altfest L J & Co Inc | 17,602 | $758.5K | 0.10% | +770+4.6% | Added |
| AQR Capital Management LLC | 18,138 | $755.1K | 0.00% | +18,138 | New |
| Aquatic Capital Management LLC | 16,848 | $726.0K | 0.02% | −5,472−24.5% | Reduced |
| Canada Pension Plan Investment Board | 16,400 | $706.7K | 0.00% | +8,700+113.0% | Added |
| New York State Common Retirement Fund | 16,257 | $700.5K | 0.00% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 15,857 | $683.3K | 0.00% | +15,857 | New |
| State of Wyoming | 15,721 | $677.4K | 0.09% | +775+5.2% | Added |
| OmniStar Financial Group, Inc. | 15,403 | $663.7K | 0.52% | +15,403 | New |
| Envestnet Asset Management Inc | 15,283 | $658.5K | 0.00% | +5,545+56.9% | Added |
| Maryland State Retirement & Pension System | 14,820 | $638.6K | 0.02% | −2,232−13.1% | Reduced |
| Arizona State Retirement System | 14,508 | $625.1K | 0.00% | −156−1.1% | Reduced |
| Amalgamated Bank | 14,454 | $623.0K | 0.01% | −535−3.6% | Reduced |
| State Board of Administration of Florida Retirement System | 14,269 | $614.9K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,986 | $602.7K | 0.00% | 00.0% | Unchanged |
| PEAK6 LLC | 13,418 | $578.2K | 0.02% | −15,597−53.8% | Reduced |
| Legato Capital Management LLC | 13,290 | $572.7K | 0.08% | +13,290 | New |
| Gabelli Funds LLC | 12,809 | $551.9K | 0.00% | 00.0% | Unchanged |
| Bank of Montreal | 12,449 | $536.4K | 0.00% | +1,465+13.3% | Added |
| Bayesian Capital Management, LP | 12,298 | $529.9K | 0.09% | +12,298 | New |
| ProShare Advisors LLC | 12,224 | $526.7K | 0.00% | −3,423−21.9% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 12,140 | $523.1K | 0.00% | +1,319+12.2% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 11,763 | $506.9K | 0.00% | +449+4.0% | Added |
| Rafferty Asset Management, LLC | 11,720 | $505.0K | 0.00% | −1,257−9.7% | Reduced |
| Oregon Public Employees Retirement Fund | 11,662 | $502.5K | 0.01% | −300−2.5% | Reduced |
| CIBC World Markets Corp | 11,540 | $497.3K | 0.00% | +6,674+137.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 11,475 | $494.5K | 0.00% | +670+6.2% | Added |
| Keybank National Association | 10,939 | $471.4K | 0.00% | −1,573−12.6% | Reduced |
| Future Fund LLC | 10,763 | $463.8K | 0.60% | +10,763 | New |
| KLP Kapitalforvaltning AS | 10,600 | $456.8K | 0.00% | −1,400−11.7% | Reduced |
| Glenmede Trust Co NA | 10,562 | $455.1K | 0.00% | +387+3.8% | Added |
| Hennion & Walsh Asset Management, Inc. | 10,467 | $451.0K | 0.02% | −275−2.6% | Reduced |
| Creative Planning | 10,170 | $438.2K | 0.00% | +1,016+11.1% | Added |
| Greenwood Capital Associates LLC | 10,077 | $434.2K | 0.06% | +10,077 | New |
| Yarbrough Capital, LLC | 9,991 | $430.5K | 0.02% | 00.0% | Unchanged |
| Hunter Perkins Capital Management, LLC | 9,461 | $408.0K | 0.09% | −9,520−50.2% | Reduced |
| Squarepoint Ops LLC | 9,064 | $390.6K | 0.00% | +9,064 | New |
| Holocene Advisors, LP | 8,100 | $349.0K | 0.00% | −17,958−68.9% | Reduced |
| Cim Investment Mangement Inc | 7,884 | $339.7K | 0.08% | −188−2.3% | Reduced |
| Quadrant Capital Group LLC | 7,687 | $331.2K | 0.01% | +6,288+449.5% | Added |
| Public Employees Retirement Association of Colorado | 7,486 | $323.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 7,409 | $319.3K | 0.00% | +7,409 | New |
| CWM, LLC | 7,268 | $313.0K | 0.00% | +189+2.7% | Added |
| Moors & Cabot, Inc. | 6,950 | $299.5K | 0.02% | −300−4.1% | Reduced |
| Fox Run Management, L.L.C. | 6,847 | $295.0K | 0.05% | +6,847 | New |
| Pictet Asset Management Holding SA | 6,766 | $291.5K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 6,668 | $287.3K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 6,652 | $286.6K | 0.00% | +924+16.1% | Added |
| Colony Group, LLC | 6,608 | $284.7K | 0.00% | −30.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 6,456 | $278.2K | 0.00% | +6,456 | New |
| Lombard Odier Asset Management (USA) Corp | 6,381 | $275.0K | 0.09% | −2,843−30.8% | Reduced |
| CI Private Wealth, LLC | 6,325 | $272.5K | 0.00% | −533−7.8% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 6,204 | $267.0K | 0.00% | +1,702+37.8% | Added |
| ISAM Funds (UK) Ltd | 6,096 | $262.7K | 0.13% | +6,096 | New |
| The PNC Financial Services Group, Inc. | 5,966 | $257.1K | 0.00% | +3,513+143.2% | Added |
| XTX Topco Ltd | 5,892 | $253.9K | 0.01% | −2,168−26.9% | Reduced |
| Johnson Investment Counsel Inc | 5,807 | $250.2K | 0.00% | −834−12.6% | Reduced |
| DekaBank Deutsche Girozentrale | 5,826 | $247.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 5,371 | $231.4K | 0.01% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 5,217 | $224.8K | 0.00% | −145−2.7% | Reduced |
| Centaurus Financial, Inc. | 4,961 | $214.0K | 0.01% | −80−1.6% | Reduced |
| KBC Group NV | 2,496 | $108.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 2,489 | $107.3K | 0.00% | +749+43.0% | Added |
| Peregrine Capital Management LLC | 2,134 | $92.0K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 1,793 | $77.3K | 0.00% | −11,063−86.1% | Reduced |
| Nisa Investment Advisors, LLC | 1,760 | $75.8K | 0.00% | +18+1.0% | Added |
| CIBC Private Wealth Group, LLC | 1,762 | $75.7K | 0.00% | −1,770−50.1% | Reduced |
| Nkcfo LLC | 1,680 | $72.0K | 0.03% | +1,680 | New |
| Mirae Asset Global Investments Co., Ltd. | 1,509 | $64.6K | 0.00% | −282−15.7% | Reduced |
| Ridgewood Investments LLC | 1,350 | $58.2K | 0.03% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,290 | $55.6K | 0.00% | +451+53.8% | Added |
| GAMMA Investing LLC | 1,058 | $45.6K | 0.00% | +395+59.6% | Added |
| Tower Research Capital LLC (TRC) | 1,053 | $45.4K | 0.00% | −697−39.8% | Reduced |
| Sterling Capital Management LLC | 897 | $38.7K | 0.00% | −742−45.3% | Reduced |
| Public Employees Retirement System of Ohio | 736 | $31.7K | 0.00% | −32−4.2% | Reduced |
| Allworth Financial LP | 606 | $30.2K | 0.00% | +8+1.3% | Added |
| GHP Investment Advisors, Inc. | 700 | $30.2K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 695 | $29.9K | 0.00% | +35+5.3% | Added |
| Signaturefd, LLC | 672 | $29.0K | 0.00% | 00.0% | Unchanged |