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; 392 institutions reported holding it in 13F filings for Q2 2026, worth $8.01B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Mercury Systems Inc as of Jun 30, 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
- 392
- +41 vs. Q1 2026
- Shares held
- 65.6M
- +490.8K (+0.8%) vs. Q1 2026
- Total value
- $8.01B
- +$3.27B (+68.9%) vs. Q1 2026
- New holders
- 85
- 128 more added
- Sold out
- 44
- 132 more reduced
6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 392 | $8.01B |
| 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 2026
Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| New York State Teachers Retirement System | 52,511 | $6.42M | 0.01% | +1,626+3.2% | Added |
| AQR Capital Management LLC | 55,158 | $6.34M | 0.00% | −12,122−18.0% | Reduced |
| Creative Planning | 51,767 | $6.33M | 0.00% | +13,665+35.9% | Added |
| Future Fund LLC | 51,343 | $6.28M | 1.80% | +2,698+5.5% | Added |
| Citigroup Inc | 48,152 | $5.89M | 0.00% | +4,514+10.3% | Added |
| EAM Investors, LLC | 47,917 | $5.86M | 0.52% | +47,917 | New |
| Moody National Bank Trust Division | 46,204 | $5.65M | 0.47% | +5,124+12.5% | Added |
| Hennion & Walsh Asset Management, Inc. | 43,902 | $5.37M | 0.15% | +4,457+11.3% | Added |
| Vanguard Asset Management, Ltd | 43,113 | $5.27M | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 43,151 | $5.26M | 0.01% | −1,128−2.5% | Reduced |
| Alliancebernstein L.P. | 71,636 | $5.22M | 0.00% | +10,820+17.8% | Added |
| Calamos Advisors LLC | 42,608 | $5.21M | 0.02% | −13,871−24.6% | Reduced |
| Lisanti Capital Growth, LLC | 41,450 | $5.07M | 1.12% | −12,115−22.6% | Reduced |
| Pathstone Holdings, LLC | 39,913 | $4.88M | 0.01% | +10,114+33.9% | Added |
| Rice Hall James & Associates, LLC | 39,775 | $4.87M | 0.24% | −2,450−5.8% | Reduced |
| Algert Global LLC | 37,270 | $4.56M | 0.05% | +31,810+582.6% | Added |
| Edgestream Partners, L.P. | 37,088 | $4.54M | 0.13% | −51,120−58.0% | Reduced |
| Intech Investment Management LLC | 37,045 | $4.53M | 0.04% | −2,897−7.3% | Reduced |
| HWG Holdings LP | 36,605 | $4.48M | 1.01% | +36,605 | New |
| Ironwood Investment Management LLC | 36,457 | $4.46M | 1.54% | −1,221−3.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 35,964 | $4.40M | 0.01% | +18,414+104.9% | Added |
| Susquehanna International Group, LLP | 35,027 | $4.28M | 0.00% | −9,687−21.7% | Reduced |
| Teachers Retirement System of the State of Kentucky | 34,536 | $4.23M | 0.03% | 00.0% | Unchanged |
| Jupiter Topco LLC | 34,273 | $4.19M | 0.00% | +34,273 | New |
| Gabelli Funds LLC | 33,349 | $4.08M | 0.03% | +4,456+15.4% | Added |
| TD Asset Management Inc | 33,154 | $4.06M | 0.00% | +272+0.8% | Added |
| B. Metzler seel. Sohn & Co. AG | 32,845 | $4.02M | 0.03% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 32,150 | $3.93M | 0.00% | +950+3.0% | Added |
| Manufacturers Life Insurance Company, The | 31,820 | $3.89M | 0.00% | +3,869+13.8% | Added |
| PEAK6 LLC | 29,871 | $3.65M | 0.09% | +29,871 | New |
| Illinois Municipal Retirement Fund | 29,227 | $3.58M | 0.04% | +1,266+4.5% | Added |
| Cresset Asset Management, LLC | 28,981 | $3.55M | 0.01% | −113−0.4% | Reduced |
| State of Alaska, Department of Revenue | 28,859 | $3.53M | 0.04% | −8,670−23.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 26,689 | $3.26M | 0.01% | +3,313+14.2% | Added |
| One Capital Management, LLC | 40,504 | $2.95M | 0.08% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 23,200 | $2.84M | 0.04% | −200−0.9% | Reduced |
| Stifel Financial Corp | 21,889 | $2.68M | 0.00% | +3,952+22.0% | Added |
| Vanguard Global Advisers, LLC | 21,463 | $2.63M | 0.00% | −1,248−5.5% | Reduced |
| Legato Capital Management LLC | 21,005 | $2.57M | 0.21% | +1,265+6.4% | Added |
| Vestmark Advisory Solutions, Inc. | 20,977 | $2.57M | 0.02% | −3,471−14.2% | Reduced |
| Picton Mahoney Asset Management | 20,470 | $2.50M | 0.02% | +14,280+230.7% | Added |
| RE Advisers Corp | 19,900 | $2.43M | 0.06% | +19,900 | New |
| Defiance ETFs, LLC | 19,757 | $2.43M | 0.03% | +7,668+63.4% | Added |
| State of New Jersey Common Pension Fund D | 19,786 | $2.42M | 0.01% | −5,241−20.9% | Reduced |
| Manatuck Hill Partners, LLC | 18,400 | $2.25M | 0.75% | −8,000−30.3% | Reduced |
| LPL Financial LLC | 18,141 | $2.22M | 0.00% | −22,452−55.3% | Reduced |
| Captrust Financial Advisors | 17,778 | $2.17M | 0.00% | −4,819−21.3% | Reduced |
| Trexquant Investment LP | 17,714 | $2.17M | 0.01% | +17,714 | New |
| State Board of Administration of Florida Retirement System | 17,341 | $2.12M | 0.00% | +3,072+21.5% | Added |
| M&T Bank Corp | 17,210 | $2.11M | 0.01% | +1,978+13.0% | Added |
| State of Tennessee, Treasury Department | 17,101 | $2.09M | 0.01% | +5,153+43.1% | Added |
| Natixis Advisors, L.P. | 16,871 | $2.06M | 0.00% | +1,016+6.4% | Added |
| Police & Firemen's Retirement System of New Jersey | 16,633 | $2.03M | 0.02% | +1,862+12.6% | Added |
| Bank of Montreal | 16,032 | $1.96M | 0.00% | +7,907+97.3% | Added |
| Sterling Capital Management LLC | 15,990 | $1.96M | 0.03% | −1,270−7.4% | Reduced |
| Arizona State Retirement System | 14,904 | $1.82M | 0.01% | +66+0.4% | Added |
| Yousif Capital Management, LLC | 14,385 | $1.76M | 0.02% | +30+0.2% | Added |
| Amalgamated Bank | 14,290 | $1.75M | 0.01% | −866−5.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 13,838 | $1.69M | 0.00% | +689+5.2% | Added |
| KLP Kapitalforvaltning AS | 13,000 | $1.59M | 0.01% | +1,100+9.2% | Added |
| Federated Hermes, Inc. | 12,848 | $1.57M | 0.00% | +2,507+24.2% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 12,530 | $1.53M | 0.01% | −530−4.1% | Reduced |
| Zions Bancorporation, National Association | 12,395 | $1.52M | 0.09% | −10,590−46.1% | Reduced |
| Waratah Capital Advisors Ltd. | 12,222 | $1.50M | 0.11% | +12,222 | New |
| Oregon Public Employees Retirement Fund | 11,958 | $1.46M | 0.02% | −100−0.8% | Reduced |
| CI Private Wealth, LLC | 11,338 | $1.39M | 0.00% | +5,446+92.4% | Added |
| Archon Capital Management LLC | 10,901 | $1.33M | 0.54% | −84,913−88.6% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 10,833 | $1.32M | 0.01% | −397−3.5% | Reduced |
| Summit Trail Advisors, LLC | 10,492 | $1.28M | 0.02% | −24,128−69.7% | Reduced |
| Needham Investment Management LLC | 10,000 | $1.22M | 0.04% | 00.0% | Unchanged |
| Corecam Pte. Ltd. | 9,965 | $1.22M | 0.46% | −3,164−24.1% | Reduced |
| Oppenheimer & Co Inc | 9,915 | $1.21M | 0.01% | −4,635−31.9% | Reduced |
| Rafferty Asset Management, LLC | 9,870 | $1.21M | 0.00% | −3,567−26.5% | Reduced |
| Graham Capital Management, L.P. | 9,800 | $1.20M | 0.03% | +9,800 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 9,407 | $1.15M | 0.00% | −1,554−14.2% | Reduced |
| Pictet Asset Management Holding SA | 8,872 | $1.09M | 0.00% | −27−0.3% | Reduced |
| Brevan Howard Capital Management LP | 8,707 | $1.07M | 0.01% | +8,707 | New |
| ProShare Advisors LLC | 8,000 | $978.6K | 0.00% | −448−5.3% | Reduced |
| JustInvest LLC | 7,866 | $962.2K | 0.01% | +708+9.9% | Added |
| Quadrant Capital Group LLC | 7,850 | $960.3K | 0.03% | −27−0.3% | Reduced |
| The PNC Financial Services Group, Inc. | 7,797 | $953.8K | 0.00% | +752+10.7% | Added |
| Maryland State Retirement & Pension System | 7,685 | $940.1K | 0.02% | −10.0% | Reduced |
| Toroso Investments, LLC | 7,326 | $896.2K | 0.00% | −8,151−52.7% | Reduced |
| Weiss Asset Management LP | 7,052 | $862.7K | 0.01% | +7,052 | New |
| Gotham Asset Management, LLC | 6,835 | $836.1K | 0.00% | +13+0.2% | Added |
| Glenmede Trust Co NA | 6,542 | $800.3K | 0.00% | −2,911−30.8% | Reduced |
| Vontobel Holding Ltd. | 6,437 | $787.4K | 0.00% | −822−11.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 6,356 | $777.5K | 0.04% | +6,356 | New |
| Public Employees Retirement Association of Colorado | 6,263 | $766.0K | 0.00% | 00.0% | Unchanged |
| Greenwood Capital Associates LLC | 6,236 | $762.9K | 0.07% | −372−5.6% | Reduced |
| F/M Investments LLC | 5,973 | $730.7K | 0.04% | +487+8.9% | Added |
| Danske Bank A/S | 5,940 | $726.6K | 0.00% | +1,337+29.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 5,914 | $723.0K | 0.00% | +426+7.8% | Added |
| EntryPoint Capital, LLC | 5,532 | $676.7K | 0.16% | +5,532 | New |
| SG Americas Securities, LLC | 5,530 | $676.0K | 0.00% | −9,234−62.5% | Reduced |
| Xponance, Inc. | 5,506 | $673.5K | 0.00% | +473+9.4% | Added |
| STRS Ohio | 5,500 | $672.8K | 0.00% | 00.0% | Unchanged |
| Nomura Holdings Inc | 5,461 | $668.0K | 0.00% | −432−7.3% | Reduced |
| Guidance Capital, Inc | 6,927 | $665.0K | 0.14% | +79+1.2% | Added |
| Tower Research Capital LLC (TRC) | 5,266 | $644.2K | 0.02% | −558−9.6% | Reduced |