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, Q2 2025
Institutional positions in Mercury Systems Inc as of Jun 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
- 285
- +34 vs. Q1 2025
- Shares held
- 65.0M
- +1.92M (+3.0%) vs. Q1 2025
- Total value
- $3.50B
- +$782.6M (+28.8%) vs. Q1 2025
- New holders
- 56
- 117 more added
- Sold out
- 22
- 73 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ironwood Investment Management LLC | 39,670 | $2.14M | 1.04% | −1,194−2.9% | Reduced |
| Quantinno Capital Management LP | 38,493 | $2.07M | 0.01% | +285+0.7% | Added |
| Thrivent Financial for Lutherans | 37,348 | $2.01M | 0.00% | +87+0.2% | Added |
| Algert Global LLC | 35,770 | $1.93M | 0.04% | −10,080−22.0% | Reduced |
| Intech Investment Management LLC | 35,587 | $1.92M | 0.02% | −41,261−53.7% | Reduced |
| BNP Paribas Arbitrage, SA | 34,674 | $1.87M | 0.00% | +12,087+53.5% | Added |
| Cookson Peirce & Co Inc | 34,217 | $1.84M | 0.08% | +34,217 | New |
| Voya Investment Management LLC | 33,266 | $1.79M | 0.00% | +7,826+30.8% | Added |
| Oppenheimer & Co Inc | 32,785 | $1.77M | 0.02% | −405−1.2% | Reduced |
| AQR Capital Management LLC | 32,907 | $1.76M | 0.00% | +14,769+81.4% | Added |
| Boothbay Fund Management, LLC | 31,252 | $1.68M | 0.05% | −35,132−52.9% | Reduced |
| Bouvel Investment Partners, LLC | 30,808 | $1.66M | 0.56% | +30,808 | New |
| State of Alaska, Department of Revenue | 30,232 | $1.63M | 0.02% | +2,123+7.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 30,001 | $1.62M | 0.01% | +30,001 | New |
| Manufacturers Life Insurance Company, The | 28,782 | $1.55M | 0.00% | −1,702−5.6% | Reduced |
| SummitTX Capital, L.P. | 27,148 | $1.46M | 0.06% | 00.0% | Unchanged |
| Illinois Municipal Retirement Fund | 25,782 | $1.39M | 0.02% | −1,090−4.1% | Reduced |
| Future Fund LLC | 25,734 | $1.39M | 0.62% | +14,971+139.1% | Added |
| Pathstone Holdings, LLC | 24,869 | $1.34M | 0.01% | +3,975+19.0% | Added |
| Legato Capital Management LLC | 24,085 | $1.30M | 0.15% | +10,795+81.2% | Added |
| Sterling Capital Management LLC | 24,000 | $1.29M | 0.02% | +23,103+2,575.6% | Added |
| Louisiana State Employees Retirement System | 23,700 | $1.28M | 0.02% | −200−0.8% | Reduced |
| FIL Ltd | 23,244 | $1.25M | 0.00% | +1,865+8.7% | Added |
| Two Sigma Advisers, LP | 23,000 | $1.24M | 0.00% | −34,100−59.7% | Reduced |
| Brevan Howard Capital Management LP | 22,861 | $1.23M | 0.01% | +211+0.9% | Added |
| M&T Bank Corp | 20,868 | $1.12M | 0.00% | −1,572−7.0% | Reduced |
| State of Tennessee, Treasury Department | 20,849 | $1.12M | 0.00% | +2,926+16.3% | Added |
| Janus Henderson Group PLC | 20,425 | $1.10M | 0.00% | −3,600−15.0% | Reduced |
| Ensign Peak Advisors, Inc | 20,002 | $1.08M | 0.00% | 00.0% | Unchanged |
| One Capital Management, LLC | 19,929 | $1.07M | 0.04% | +19,929 | New |
| Stifel Financial Corp | 19,184 | $1.03M | 0.00% | +12,516+187.7% | Added |
| Yousif Capital Management, LLC | 18,963 | $1.02M | 0.01% | +120+0.6% | Added |
| Teachers Retirement System of the State of Kentucky | 18,067 | $973.0K | 0.01% | −1,573−8.0% | Reduced |
| Mackenzie Financial Corp | 17,849 | $961.3K | 0.00% | +1,992+12.6% | Added |
| Franklin Resources Inc | 17,710 | $953.9K | 0.00% | +17,710 | New |
| New York State Common Retirement Fund | 16,257 | $875.6K | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 16,105 | $867.4K | 0.00% | +822+5.4% | Added |
| Creative Planning | 15,839 | $853.1K | 0.00% | +5,669+55.7% | Added |
| Hennion & Walsh Asset Management, Inc. | 15,807 | $851.4K | 0.03% | +5,340+51.0% | Added |
| SG Americas Securities, LLC | 14,919 | $804.0K | 0.00% | −9,585−39.1% | Reduced |
| Bayforest Capital Ltd | 14,836 | $799.1K | 0.35% | +14,836 | New |
| Maryland State Retirement & Pension System | 14,820 | $798.2K | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 14,782 | $796.2K | 0.00% | +274+1.9% | Added |
| CI Private Wealth, LLC | 14,690 | $791.2K | 0.00% | +8,365+132.3% | Added |
| Amalgamated Bank | 14,490 | $780.0K | 0.01% | +36+0.2% | Added |
| Engineers Gate Manager LP | 14,279 | $769.1K | 0.01% | +14,279 | New |
| State Board of Administration of Florida Retirement System | 14,269 | $768.5K | 0.00% | 00.0% | Unchanged |
| Cim Investment Mangement Inc | 15,827 | $756.7K | 0.14% | +7,943+100.7% | Added |
| Gsa Capital Partners LLP | 13,872 | $747.0K | 0.05% | +13,872 | New |
| Captrust Financial Advisors | 13,846 | $745.7K | 0.00% | +13,846 | New |
| Rafferty Asset Management, LLC | 13,163 | $709.0K | 0.00% | +1,443+12.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,040 | $702.3K | 0.00% | +900+7.4% | Added |
| American Century Companies Inc | 12,947 | $697.3K | 0.00% | −49,935−79.4% | Reduced |
| Gabelli Funds LLC | 12,809 | $689.9K | 0.00% | 00.0% | Unchanged |
| Altfest L J & Co Inc | 12,775 | $688.1K | 0.08% | −4,827−27.4% | Reduced |
| Bank of Montreal | 12,394 | $667.5K | 0.00% | −55−0.4% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 11,987 | $645.6K | 0.01% | +512+4.5% | Added |
| OmniStar Financial Group, Inc. | 11,861 | $638.8K | 0.48% | −3,542−23.0% | Reduced |
| TD Asset Management Inc | 11,718 | $631.1K | 0.00% | +11,718 | New |
| Oregon Public Employees Retirement Fund | 11,662 | $628.1K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 11,600 | $624.8K | 0.00% | −624−5.1% | Reduced |
| Glenmede Investment Management, LP | 11,584 | $623.9K | 0.00% | +11,584 | New |
| KLP Kapitalforvaltning AS | 11,100 | $597.8K | 0.00% | +500+4.7% | Added |
| Summit Trail Advisors, LLC | 10,805 | $582.0K | 0.01% | +10,805 | New |
| Winton Group Ltd | 10,493 | $565.2K | 0.03% | +10,493 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,419 | $561.2K | 0.00% | −1,344−11.4% | Reduced |
| Group One Trading, L.P. | 10,247 | $551.9K | 0.02% | +8,454+471.5% | Added |
| Needham Investment Management LLC | 10,000 | $538.6K | 0.04% | −17,500−63.6% | Reduced |
| Yarbrough Capital, LLC | 9,991 | $538.1K | 0.02% | 00.0% | Unchanged |
| Greenwood Capital Associates LLC | 9,966 | $536.8K | 0.07% | −111−1.1% | Reduced |
| Keybank National Association | 9,268 | $499.2K | 0.00% | −1,671−15.3% | Reduced |
| Hunter Perkins Capital Management, LLC | 8,861 | $477.0K | 0.11% | −600−6.3% | Reduced |
| ISAM Funds (UK) Ltd | 8,772 | $472.5K | 0.10% | +2,676+43.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,483 | $456.9K | 0.00% | −5,503−39.3% | Reduced |
| Holocene Advisors, LP | 7,963 | $428.9K | 0.00% | −137−1.7% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 7,751 | $417.0K | 0.00% | +1,547+24.9% | Added |
| Teacher Retirement System of Texas | 7,703 | $414.9K | 0.00% | +294+4.0% | Added |
| Quadrant Capital Group LLC | 7,692 | $414.3K | 0.01% | +5+0.1% | Added |
| Lombard Odier Asset Management (USA) Corp | 7,605 | $409.6K | 0.10% | +1,224+19.2% | Added |
| Pictet Asset Management Holding SA | 7,491 | $403.5K | 0.00% | +725+10.7% | Added |
| Maxi Investments CY Ltd | 7,460 | $402.0K | 0.07% | +7,460 | New |
| CWM, LLC | 7,355 | $396.0K | 0.00% | +87+1.2% | Added |
| New Age Alpha Advisors, LLC | 7,095 | $382.1K | 0.02% | +7,095 | New |
| The PNC Financial Services Group, Inc. | 7,033 | $378.8K | 0.00% | +1,067+17.9% | Added |
| HSBC Holdings PLC | 6,857 | $368.8K | 0.00% | +6,857 | New |
| Colony Group, LLC | 6,730 | $362.5K | 0.00% | +122+1.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 6,597 | $355.3K | 0.00% | +141+2.2% | Added |
| Tower Research Capital LLC (TRC) | 6,494 | $349.8K | 0.01% | +5,441+516.7% | Added |
| Public Employees Retirement Association of Colorado | 6,440 | $347.0K | 0.00% | −1,046−14.0% | Reduced |
| CIBC World Markets Corp | 6,416 | $345.6K | 0.00% | −5,124−44.4% | Reduced |
| Pacer Advisors, Inc. | 5,985 | $322.4K | 0.00% | +5,985 | New |
| Johnson Investment Counsel Inc | 5,807 | $312.8K | 0.00% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 5,826 | $310.0K | 0.00% | 00.0% | Unchanged |
| Fuller & Thaler Asset Management, Inc. | 5,464 | $294.3K | 0.00% | −1,174,927−99.5% | Reduced |
| Ameritas Investment Partners, Inc. | 5,371 | $289.3K | 0.01% | 00.0% | Unchanged |
| Moors & Cabot, Inc. | 5,250 | $282.8K | 0.01% | −1,700−24.5% | Reduced |
| CIBC Asset Management Inc | 5,217 | $281.0K | 0.00% | 00.0% | Unchanged |
| Centaurus Financial, Inc. | 4,966 | $267.0K | 0.02% | +5+0.1% | Added |
| Verdence Capital Advisors LLC | 4,390 | $236.4K | 0.02% | +4,390 | New |
| Xponance, Inc. | 4,024 | $216.7K | 0.00% | +4,024 | New |