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 2026
Institutional positions in Mercury Systems Inc as of Mar 31, 2026. 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
- 357
- +16 vs. Q4 2025
- Shares held
- 65.2M
- +6.52M (+11.1%) vs. Q4 2025
- Total value
- $4.75B
- +$463.1M (+10.8%) vs. Q4 2025
- New holders
- 58
- 134 more added
- Sold out
- 42
- 120 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amalgamated Bank | 15,156 | $1.10M | 0.01% | −143−0.9% | Reduced |
| M&T Bank Corp | 15,232 | $1.11M | 0.00% | −2,460−13.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 15,445 | $1.13M | 0.00% | −54,823−78.0% | Reduced |
| Toroso Investments, LLC | 15,477 | $1.13M | 0.00% | −808−5.0% | Reduced |
| Natixis Advisors, L.P. | 15,855 | $1.16M | 0.00% | +2,864+22.0% | Added |
| Millennium Management LLC | 16,011 | $1.17M | 0.00% | +16,011 | New |
| Prelude Capital Management, LLC | 16,358 | $1.19M | 0.09% | +9,082+124.8% | Added |
| Sterling Capital Management LLC | 17,260 | $1.26M | 0.02% | −9,894−36.4% | Reduced |
| Cookson Peirce & Co Inc | 17,309 | $1.26M | 0.05% | +771+4.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 17,550 | $1.28M | 0.00% | +1,243+7.6% | Added |
| Stifel Financial Corp | 17,937 | $1.31M | 0.00% | −578−3.1% | Reduced |
| Legato Capital Management LLC | 19,740 | $1.44M | 0.13% | −21,656−52.3% | Reduced |
| Squarepoint Ops LLC | 21,571 | $1.57M | 0.00% | +21,571 | New |
| Great Lakes Advisors, LLC | 21,595 | $1.57M | 0.01% | −1,912−8.1% | Reduced |
| Captrust Financial Advisors | 22,597 | $1.65M | 0.00% | +3,432+17.9% | Added |
| Vanguard Global Advisers, LLC | 22,711 | $1.66M | 0.00% | +22,711 | New |
| Zions Bancorporation, National Association | 22,985 | $1.68M | 0.11% | −24,430−51.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 23,376 | $1.70M | 0.00% | +2,189+10.3% | Added |
| Louisiana State Employees Retirement System | 23,400 | $1.71M | 0.03% | −800−3.3% | Reduced |
| Janus Henderson Group PLC | 23,484 | $1.71M | 0.00% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 24,448 | $1.78M | 0.02% | −1,713−6.5% | Reduced |
| State of New Jersey Common Pension Fund D | 25,027 | $1.82M | 0.01% | −6,720−21.2% | Reduced |
| Castleark Management LLC | 25,048 | $1.83M | 0.06% | −93,410−78.9% | Reduced |
| Manatuck Hill Partners, LLC | 26,400 | $1.92M | 0.63% | −18,600−41.3% | Reduced |
| Manufacturers Life Insurance Company, The | 27,951 | $2.04M | 0.00% | +1,840+7.0% | Added |
| Illinois Municipal Retirement Fund | 27,961 | $2.04M | 0.03% | +1,421+5.4% | Added |
| Gabelli Funds LLC | 28,893 | $2.11M | 0.01% | +20,455+242.4% | Added |
| Cresset Asset Management, LLC | 29,094 | $2.12M | 0.01% | +220+0.8% | Added |
| Pathstone Holdings, LLC | 29,799 | $2.17M | 0.01% | −807−2.6% | Reduced |
| Envestnet Asset Management Inc | 31,200 | $2.27M | 0.00% | +7,053+29.2% | Added |
| Freemont Management S.A. | 31,700 | $2.31M | 0.43% | +31,700 | New |
| Bouvel Investment Partners, LLC | 32,751 | $2.39M | 0.69% | +1,468+4.7% | Added |
| B. Metzler seel. Sohn & Co. AG | 32,845 | $2.39M | 0.02% | −12,502−27.6% | Reduced |
| TD Asset Management Inc | 32,882 | $2.40M | 0.00% | +342+1.1% | Added |
| Teachers Retirement System of the State of Kentucky | 34,536 | $2.52M | 0.02% | +21,140+157.8% | Added |
| Summit Trail Advisors, LLC | 34,620 | $2.52M | 0.04% | −3,385−8.9% | Reduced |
| State of Alaska, Department of Revenue | 37,529 | $2.73M | 0.03% | −913−2.4% | Reduced |
| Ironwood Investment Management LLC | 37,678 | $2.75M | 1.15% | −1,716−4.4% | Reduced |
| Creative Planning | 38,102 | $2.78M | 0.00% | +8,705+29.6% | Added |
| ExodusPoint Capital Management, LP | 39,224 | $2.86M | 0.03% | +39,224 | New |
| Hennion & Walsh Asset Management, Inc. | 39,445 | $2.88M | 0.10% | +8,423+27.2% | Added |
| Intech Investment Management LLC | 39,942 | $2.91M | 0.03% | −27,685−40.9% | Reduced |
| One Capital Management, LLC | 40,504 | $2.95M | 0.08% | +11,204+38.2% | Added |
| LPL Financial LLC | 40,593 | $2.96M | 0.00% | −23,830−37.0% | Reduced |
| Moody National Bank Trust Division | 41,080 | $3.00M | 0.29% | +11,252+37.7% | Added |
| Rice Hall James & Associates, LLC | 42,225 | $3.08M | 0.17% | −6,592−13.5% | Reduced |
| Vanguard Asset Management, Ltd | 43,113 | $3.14M | 0.00% | +43,113 | New |
| Citigroup Inc | 43,638 | $3.18M | 0.00% | −9,900−18.5% | Reduced |
| Great West Life Assurance Co | 44,279 | $3.23M | 0.01% | −1,048−2.3% | Reduced |
| Susquehanna International Group, LLP | 44,714 | $3.26M | 0.00% | +44,714 | New |
| Future Fund LLC | 48,645 | $3.55M | 1.25% | +19,365+66.1% | Added |
| New York State Teachers Retirement System | 50,885 | $3.71M | 0.01% | −9,026−15.1% | Reduced |
| Lisanti Capital Growth, LLC | 53,565 | $3.91M | 0.98% | −40,700−43.2% | Reduced |
| Prudential Financial Inc | 54,216 | $3.95M | 0.00% | −111,922−67.4% | Reduced |
| D. E. Shaw & Co., Inc. | 54,904 | $4.00M | 0.00% | −3,651−6.2% | Reduced |
| Swedbank AB | 55,259 | $4.03M | 0.00% | +16,910+44.1% | Added |
| Pier Capital, LLC | 56,006 | $4.08M | 0.67% | −721−1.3% | Reduced |
| Calamos Advisors LLC | 56,479 | $4.12M | 0.02% | +6,635+13.3% | Added |
| Loup Funds, LLC | 56,624 | $4.13M | 2.62% | −10,837−16.1% | Reduced |
| Barclays PLC | 57,822 | $4.22M | 0.00% | −91,350−61.2% | Reduced |
| Candelo Capital Management LP | 60,460 | $4.41M | 4.44% | −3,766−5.9% | Reduced |
| 13D Management LLC | 60,462 | $4.41M | 6.83% | −43,300−41.7% | Reduced |
| Cerity Partners LLC | 60,763 | $4.43M | 0.01% | +1,207+2.0% | Added |
| Alliancebernstein L.P. | 60,816 | $4.44M | 0.00% | 00.0% | Unchanged |
| Nordea Investment Management AB | 64,402 | $4.63M | 0.00% | −2,984−4.4% | Reduced |
| California State Teachers Retirement System | 63,570 | $4.63M | 0.00% | +12,346+24.1% | Added |
| AQR Capital Management LLC | 67,280 | $4.77M | 0.00% | +25,504+61.0% | Added |
| Quantinno Capital Management LP | 65,977 | $4.81M | 0.01% | −629−0.9% | Reduced |
| Penserra Capital Management LLC | 68,713 | $5.01M | 0.06% | −11,852−14.7% | Reduced |
| State of Wisconsin Investment Board | 76,505 | $5.58M | 0.01% | +20,317+36.2% | Added |
| Blair William & Co | 78,791 | $5.74M | 0.02% | −4,981−5.9% | Reduced |
| Select Equity Group, L.P. | 83,466 | $6.09M | 0.03% | +5,645+7.3% | Added |
| Edgestream Partners, L.P. | 88,208 | $6.43M | 0.21% | +41,038+87.0% | Added |
| Archon Capital Management LLC | 95,814 | $6.99M | 3.94% | +21,214+28.4% | Added |
| Swiss National Bank | 106,900 | $7.79M | 0.00% | +400+0.4% | Added |
| Agman Capital LLC | 108,632 | $7.92M | 6.31% | −14,204−11.6% | Reduced |
| Russell Investments Group, Ltd. | 110,372 | $8.05M | 0.01% | +20,578+22.9% | Added |
| Qube Research & Technologies Ltd | 111,190 | $8.11M | 0.01% | +59,691+115.9% | Added |
| UBS Asset Management Americas Inc | 116,172 | $8.47M | 0.00% | +537+0.5% | Added |
| Heights Point Management, LP | 121,898 | $8.89M | 8.24% | −21,170−14.8% | Reduced |
| Wells Fargo & Company | 123,719 | $9.02M | 0.00% | −25,270−17.0% | Reduced |
| Deutsche Bank AG | 127,592 | $9.30M | 0.00% | −1,113−0.9% | Reduced |
| Vident Advisory, LLC | 128,059 | $9.34M | 0.08% | +6,171+5.1% | Added |
| Penn Capital Management Co Inc | 127,789 | $9.34M | 0.72% | −64,094−33.4% | Reduced |
| Peregrine Capital Management LLC | 136,175 | $9.93M | 0.37% | −6,003−4.2% | Reduced |
| Thrivent Financial for Lutherans | 139,857 | $10.2M | 0.02% | +103,516+284.8% | Added |
| Man Group plc | 144,724 | $10.6M | 0.02% | −47,309−24.6% | Reduced |
| Rhumbline Advisers | 144,794 | $10.6M | 0.01% | +2,455+1.7% | Added |
| Legal & General Group Plc | 151,645 | $11.1M | 0.00% | −9,229−5.7% | Reduced |
| Freshford Capital Management, LLC | 154,065 | $11.2M | 5.61% | −28,360−15.5% | Reduced |
| BNP Paribas Arbitrage, SA | 155,380 | $11.3M | 0.01% | −9,083−5.5% | Reduced |
| Two Sigma Investments, LP | 162,069 | $11.8M | 0.01% | +11,892+7.9% | Added |
| Public Sector Pension Investment Board | 188,960 | $13.8M | 0.04% | +5,927+3.2% | Added |
| New York State Common Retirement Fund | 193,627 | $14.1M | 0.02% | +54,345+39.0% | Added |
| King Luther Capital Management Corp | 210,037 | $15.3M | 0.07% | +7,394+3.6% | Added |
| WCM Investment Management, LLC | 219,324 | $15.3M | 0.03% | −45,565−17.2% | Reduced |
| Axiom Investors LLC | 211,068 | $15.4M | 0.17% | +27,924+15.2% | Added |
| Mutual of America Capital Management LLC | 211,752 | $15.4M | 0.18% | −7,611−3.5% | Reduced |
| Royce & Associates LP | 219,980 | $16.0M | 0.16% | +22,901+11.6% | Added |
| Victory Capital Management Inc | 225,618 | $16.4M | 0.01% | −1,915−0.8% | Reduced |