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 |
|---|---|---|---|---|---|
| Pier Capital, LLC | 56,006 | $4.08M | 0.67% | −721−1.3% | Reduced |
| Swedbank AB | 55,259 | $4.03M | 0.00% | +16,910+44.1% | Added |
| D. E. Shaw & Co., Inc. | 54,904 | $4.00M | 0.00% | −3,651−6.2% | Reduced |
| Prudential Financial Inc | 54,216 | $3.95M | 0.00% | −111,922−67.4% | Reduced |
| Lisanti Capital Growth, LLC | 53,565 | $3.91M | 0.98% | −40,700−43.2% | Reduced |
| New York State Teachers Retirement System | 50,885 | $3.71M | 0.01% | −9,026−15.1% | Reduced |
| Future Fund LLC | 48,645 | $3.55M | 1.25% | +19,365+66.1% | Added |
| Susquehanna International Group, LLP | 44,714 | $3.26M | 0.00% | +44,714 | New |
| Great West Life Assurance Co | 44,279 | $3.23M | 0.01% | −1,048−2.3% | Reduced |
| Citigroup Inc | 43,638 | $3.18M | 0.00% | −9,900−18.5% | Reduced |
| Vanguard Asset Management, Ltd | 43,113 | $3.14M | 0.00% | +43,113 | New |
| Rice Hall James & Associates, LLC | 42,225 | $3.08M | 0.17% | −6,592−13.5% | Reduced |
| Moody National Bank Trust Division | 41,080 | $3.00M | 0.29% | +11,252+37.7% | Added |
| LPL Financial LLC | 40,593 | $2.96M | 0.00% | −23,830−37.0% | Reduced |
| One Capital Management, LLC | 40,504 | $2.95M | 0.08% | +11,204+38.2% | Added |
| Intech Investment Management LLC | 39,942 | $2.91M | 0.03% | −27,685−40.9% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 39,445 | $2.88M | 0.10% | +8,423+27.2% | Added |
| ExodusPoint Capital Management, LP | 39,224 | $2.86M | 0.03% | +39,224 | New |
| Creative Planning | 38,102 | $2.78M | 0.00% | +8,705+29.6% | Added |
| Ironwood Investment Management LLC | 37,678 | $2.75M | 1.15% | −1,716−4.4% | Reduced |
| State of Alaska, Department of Revenue | 37,529 | $2.73M | 0.03% | −913−2.4% | Reduced |
| Summit Trail Advisors, LLC | 34,620 | $2.52M | 0.04% | −3,385−8.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,536 | $2.52M | 0.02% | +21,140+157.8% | Added |
| TD Asset Management Inc | 32,882 | $2.40M | 0.00% | +342+1.1% | Added |
| B. Metzler seel. Sohn & Co. AG | 32,845 | $2.39M | 0.02% | −12,502−27.6% | Reduced |
| Bouvel Investment Partners, LLC | 32,751 | $2.39M | 0.69% | +1,468+4.7% | Added |
| Freemont Management S.A. | 31,700 | $2.31M | 0.43% | +31,700 | New |
| Envestnet Asset Management Inc | 31,200 | $2.27M | 0.00% | +7,053+29.2% | Added |
| Pathstone Holdings, LLC | 29,799 | $2.17M | 0.01% | −807−2.6% | Reduced |
| Cresset Asset Management, LLC | 29,094 | $2.12M | 0.01% | +220+0.8% | Added |
| Gabelli Funds LLC | 28,893 | $2.11M | 0.01% | +20,455+242.4% | Added |
| Illinois Municipal Retirement Fund | 27,961 | $2.04M | 0.03% | +1,421+5.4% | Added |
| Manufacturers Life Insurance Company, The | 27,951 | $2.04M | 0.00% | +1,840+7.0% | Added |
| Manatuck Hill Partners, LLC | 26,400 | $1.92M | 0.63% | −18,600−41.3% | Reduced |
| Castleark Management LLC | 25,048 | $1.83M | 0.06% | −93,410−78.9% | Reduced |
| State of New Jersey Common Pension Fund D | 25,027 | $1.82M | 0.01% | −6,720−21.2% | Reduced |
| Vestmark Advisory Solutions, Inc. | 24,448 | $1.78M | 0.02% | −1,713−6.5% | Reduced |
| Janus Henderson Group PLC | 23,484 | $1.71M | 0.00% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 23,400 | $1.71M | 0.03% | −800−3.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 23,376 | $1.70M | 0.00% | +2,189+10.3% | Added |
| Zions Bancorporation, National Association | 22,985 | $1.68M | 0.11% | −24,430−51.5% | Reduced |
| Vanguard Global Advisers, LLC | 22,711 | $1.66M | 0.00% | +22,711 | New |
| Captrust Financial Advisors | 22,597 | $1.65M | 0.00% | +3,432+17.9% | Added |
| Great Lakes Advisors, LLC | 21,595 | $1.57M | 0.01% | −1,912−8.1% | Reduced |
| Squarepoint Ops LLC | 21,571 | $1.57M | 0.00% | +21,571 | New |
| Legato Capital Management LLC | 19,740 | $1.44M | 0.13% | −21,656−52.3% | Reduced |
| Stifel Financial Corp | 17,937 | $1.31M | 0.00% | −578−3.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 17,550 | $1.28M | 0.00% | +1,243+7.6% | Added |
| Cookson Peirce & Co Inc | 17,309 | $1.26M | 0.05% | +771+4.7% | Added |
| Sterling Capital Management LLC | 17,260 | $1.26M | 0.02% | −9,894−36.4% | Reduced |
| Prelude Capital Management, LLC | 16,358 | $1.19M | 0.09% | +9,082+124.8% | Added |
| Millennium Management LLC | 16,011 | $1.17M | 0.00% | +16,011 | New |
| Natixis Advisors, L.P. | 15,855 | $1.16M | 0.00% | +2,864+22.0% | Added |
| Toroso Investments, LLC | 15,477 | $1.13M | 0.00% | −808−5.0% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 15,445 | $1.13M | 0.00% | −54,823−78.0% | Reduced |
| M&T Bank Corp | 15,232 | $1.11M | 0.00% | −2,460−13.9% | Reduced |
| Amalgamated Bank | 15,156 | $1.10M | 0.01% | −143−0.9% | Reduced |
| Arizona State Retirement System | 14,838 | $1.08M | 0.01% | −373−2.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 14,771 | $1.08M | 0.01% | +472+3.3% | Added |
| SG Americas Securities, LLC | 14,764 | $1.08M | 0.00% | −7,463−33.6% | Reduced |
| Oppenheimer & Co Inc | 14,550 | $1.06M | 0.01% | −7,250−33.3% | Reduced |
| Yousif Capital Management, LLC | 14,355 | $1.05M | 0.01% | +42+0.3% | Added |
| State Board of Administration of Florida Retirement System | 14,269 | $1.04M | 0.00% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 13,437 | $979.7K | 0.00% | +1,279+10.5% | Added |
| Vanguard Investments Australia, Ltd. | 13,149 | $958.7K | 0.00% | +13,149 | New |
| Corecam Pte. Ltd. | 13,129 | $957.3K | 0.41% | +8,733+198.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 13,060 | $952.2K | 0.00% | −33−0.3% | Reduced |
| Gsa Capital Partners LLP | 12,520 | $913.0K | 0.06% | +9,170+273.7% | Added |
| Defiance ETFs, LLC | 12,089 | $881.4K | 0.01% | −1,015−7.7% | Reduced |
| Oregon Public Employees Retirement Fund | 12,058 | $879.1K | 0.01% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 11,950 | $871.3K | 0.10% | +5,637+89.3% | Added |
| State of Tennessee, Treasury Department | 11,948 | $871.1K | 0.00% | −2,274−16.0% | Reduced |
| KLP Kapitalforvaltning AS | 11,900 | $867.6K | 0.00% | +400+3.5% | Added |
| Harel Insurance Investments & Financial Services Ltd. | 11,230 | $819.0K | 0.01% | +3,139+38.8% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 10,961 | $799.2K | 0.00% | +1,915+21.2% | Added |
| Richard Bernstein Advisors LLC | 10,715 | $781.2K | 0.02% | +10,715 | New |
| Callan Family Office, LLC | 10,572 | $770.8K | 0.02% | +345+3.4% | Added |
| Federated Hermes, Inc. | 10,341 | $754.0K | 0.00% | 00.0% | Unchanged |
| Needham Investment Management LLC | 10,000 | $729.1K | 0.04% | 00.0% | Unchanged |
| Glenmede Trust Co NA | 9,453 | $689.2K | 0.00% | −108−1.1% | Reduced |
| Virtu Financial LLC | 9,420 | $687.0K | 0.03% | +9,420 | New |
| US Bancorp | 9,090 | $662.8K | 0.00% | −1,160−11.3% | Reduced |
| FIL Ltd | 9,067 | $661.1K | 0.00% | −5,531−37.9% | Reduced |
| Cim Investment Mangement Inc | 8,927 | $650.9K | 0.17% | +1,307+17.2% | Added |
| Pictet Asset Management Holding SA | 8,899 | $648.8K | 0.00% | +658+8.0% | Added |
| ProShare Advisors LLC | 8,448 | $615.9K | 0.00% | −1,686−16.6% | Reduced |
| Perbak Capital Partners LLP | 8,184 | $596.7K | 0.15% | +8,184 | New |
| Bank of Montreal | 8,125 | $592.4K | 0.00% | +1,414+21.1% | Added |
| CWM, LLC | 8,113 | $591.5K | 0.00% | +74+0.9% | Added |
| Amundi | 8,033 | $585.7K | 0.00% | +8,033 | New |
| Quadrant Capital Group LLC | 7,877 | $574.3K | 0.02% | +175+2.3% | Added |
| Guidance Capital, Inc | 6,848 | $568.1K | 0.13% | +6,848 | New |
| Maryland State Retirement & Pension System | 7,686 | $560.4K | 0.01% | −28−0.4% | Reduced |
| Vontobel Holding Ltd. | 7,259 | $529.3K | 0.00% | −246−3.3% | Reduced |
| JustInvest LLC | 7,158 | $521.9K | 0.01% | +1,315+22.5% | Added |
| The PNC Financial Services Group, Inc. | 7,045 | $513.6K | 0.00% | +319+4.7% | Added |
| Gotham Asset Management, LLC | 6,822 | $497.4K | 0.00% | −31,392−82.1% | Reduced |
| Cinctive Capital Management LP | 6,615 | $482.3K | 0.03% | −140,829−95.5% | Reduced |
| Greenwood Capital Associates LLC | 6,608 | $481.8K | 0.05% | −2,295−25.8% | Reduced |
| Public Employees Retirement Association of Colorado | 6,263 | $457.0K | 0.00% | 00.0% | Unchanged |