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 |
|---|---|---|---|---|---|
| Danske Bank A/S | 5,940 | $726.6K | 0.00% | +1,337+29.0% | Added |
| F/M Investments LLC | 5,973 | $730.7K | 0.04% | +487+8.9% | Added |
| Greenwood Capital Associates LLC | 6,236 | $762.9K | 0.07% | −372−5.6% | Reduced |
| Public Employees Retirement Association of Colorado | 6,263 | $766.0K | 0.00% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 6,356 | $777.5K | 0.04% | +6,356 | New |
| Vontobel Holding Ltd. | 6,437 | $787.4K | 0.00% | −822−11.3% | Reduced |
| Glenmede Trust Co NA | 6,542 | $800.3K | 0.00% | −2,911−30.8% | Reduced |
| Gotham Asset Management, LLC | 6,835 | $836.1K | 0.00% | +13+0.2% | Added |
| Weiss Asset Management LP | 7,052 | $862.7K | 0.01% | +7,052 | New |
| Toroso Investments, LLC | 7,326 | $896.2K | 0.00% | −8,151−52.7% | Reduced |
| Maryland State Retirement & Pension System | 7,685 | $940.1K | 0.02% | −10.0% | Reduced |
| The PNC Financial Services Group, Inc. | 7,797 | $953.8K | 0.00% | +752+10.7% | Added |
| Quadrant Capital Group LLC | 7,850 | $960.3K | 0.03% | −27−0.3% | Reduced |
| JustInvest LLC | 7,866 | $962.2K | 0.01% | +708+9.9% | Added |
| ProShare Advisors LLC | 8,000 | $978.6K | 0.00% | −448−5.3% | Reduced |
| Brevan Howard Capital Management LP | 8,707 | $1.07M | 0.01% | +8,707 | New |
| Pictet Asset Management Holding SA | 8,872 | $1.09M | 0.00% | −27−0.3% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 9,407 | $1.15M | 0.00% | −1,554−14.2% | Reduced |
| Graham Capital Management, L.P. | 9,800 | $1.20M | 0.03% | +9,800 | New |
| Rafferty Asset Management, LLC | 9,870 | $1.21M | 0.00% | −3,567−26.5% | Reduced |
| Oppenheimer & Co Inc | 9,915 | $1.21M | 0.01% | −4,635−31.9% | Reduced |
| Corecam Pte. Ltd. | 9,965 | $1.22M | 0.46% | −3,164−24.1% | Reduced |
| Needham Investment Management LLC | 10,000 | $1.22M | 0.04% | 00.0% | Unchanged |
| Summit Trail Advisors, LLC | 10,492 | $1.28M | 0.02% | −24,128−69.7% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 10,833 | $1.32M | 0.01% | −397−3.5% | Reduced |
| Archon Capital Management LLC | 10,901 | $1.33M | 0.54% | −84,913−88.6% | Reduced |
| CI Private Wealth, LLC | 11,338 | $1.39M | 0.00% | +5,446+92.4% | Added |
| Oregon Public Employees Retirement Fund | 11,958 | $1.46M | 0.02% | −100−0.8% | Reduced |
| Waratah Capital Advisors Ltd. | 12,222 | $1.50M | 0.11% | +12,222 | New |
| Zions Bancorporation, National Association | 12,395 | $1.52M | 0.09% | −10,590−46.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 12,530 | $1.53M | 0.01% | −530−4.1% | Reduced |
| Federated Hermes, Inc. | 12,848 | $1.57M | 0.00% | +2,507+24.2% | Added |
| KLP Kapitalforvaltning AS | 13,000 | $1.59M | 0.01% | +1,100+9.2% | Added |
| Vanguard Investments Australia, Ltd. | 13,838 | $1.69M | 0.00% | +689+5.2% | Added |
| Amalgamated Bank | 14,290 | $1.75M | 0.01% | −866−5.7% | Reduced |
| Yousif Capital Management, LLC | 14,385 | $1.76M | 0.02% | +30+0.2% | Added |
| Arizona State Retirement System | 14,904 | $1.82M | 0.01% | +66+0.4% | Added |
| Sterling Capital Management LLC | 15,990 | $1.96M | 0.03% | −1,270−7.4% | Reduced |
| Bank of Montreal | 16,032 | $1.96M | 0.00% | +7,907+97.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 16,633 | $2.03M | 0.02% | +1,862+12.6% | Added |
| Natixis Advisors, L.P. | 16,871 | $2.06M | 0.00% | +1,016+6.4% | Added |
| State of Tennessee, Treasury Department | 17,101 | $2.09M | 0.01% | +5,153+43.1% | Added |
| M&T Bank Corp | 17,210 | $2.11M | 0.01% | +1,978+13.0% | Added |
| State Board of Administration of Florida Retirement System | 17,341 | $2.12M | 0.00% | +3,072+21.5% | Added |
| Trexquant Investment LP | 17,714 | $2.17M | 0.01% | +17,714 | New |
| Captrust Financial Advisors | 17,778 | $2.17M | 0.00% | −4,819−21.3% | Reduced |
| LPL Financial LLC | 18,141 | $2.22M | 0.00% | −22,452−55.3% | Reduced |
| Manatuck Hill Partners, LLC | 18,400 | $2.25M | 0.75% | −8,000−30.3% | Reduced |
| State of New Jersey Common Pension Fund D | 19,786 | $2.42M | 0.01% | −5,241−20.9% | Reduced |
| Defiance ETFs, LLC | 19,757 | $2.43M | 0.03% | +7,668+63.4% | Added |
| RE Advisers Corp | 19,900 | $2.43M | 0.06% | +19,900 | New |
| Picton Mahoney Asset Management | 20,470 | $2.50M | 0.02% | +14,280+230.7% | Added |
| Vestmark Advisory Solutions, Inc. | 20,977 | $2.57M | 0.02% | −3,471−14.2% | Reduced |
| Legato Capital Management LLC | 21,005 | $2.57M | 0.21% | +1,265+6.4% | Added |
| Vanguard Global Advisers, LLC | 21,463 | $2.63M | 0.00% | −1,248−5.5% | Reduced |
| Stifel Financial Corp | 21,889 | $2.68M | 0.00% | +3,952+22.0% | Added |
| Louisiana State Employees Retirement System | 23,200 | $2.84M | 0.04% | −200−0.9% | Reduced |
| One Capital Management, LLC | 40,504 | $2.95M | 0.08% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 26,689 | $3.26M | 0.01% | +3,313+14.2% | Added |
| State of Alaska, Department of Revenue | 28,859 | $3.53M | 0.04% | −8,670−23.1% | Reduced |
| Cresset Asset Management, LLC | 28,981 | $3.55M | 0.01% | −113−0.4% | Reduced |
| Illinois Municipal Retirement Fund | 29,227 | $3.58M | 0.04% | +1,266+4.5% | Added |
| PEAK6 LLC | 29,871 | $3.65M | 0.09% | +29,871 | New |
| Manufacturers Life Insurance Company, The | 31,820 | $3.89M | 0.00% | +3,869+13.8% | Added |
| Envestnet Asset Management Inc | 32,150 | $3.93M | 0.00% | +950+3.0% | Added |
| B. Metzler seel. Sohn & Co. AG | 32,845 | $4.02M | 0.03% | 00.0% | Unchanged |
| TD Asset Management Inc | 33,154 | $4.06M | 0.00% | +272+0.8% | Added |
| Gabelli Funds LLC | 33,349 | $4.08M | 0.03% | +4,456+15.4% | Added |
| Jupiter Topco LLC | 34,273 | $4.19M | 0.00% | +34,273 | New |
| Teachers Retirement System of the State of Kentucky | 34,536 | $4.23M | 0.03% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 35,027 | $4.28M | 0.00% | −9,687−21.7% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 35,964 | $4.40M | 0.01% | +18,414+104.9% | Added |
| Ironwood Investment Management LLC | 36,457 | $4.46M | 1.54% | −1,221−3.2% | Reduced |
| HWG Holdings LP | 36,605 | $4.48M | 1.01% | +36,605 | New |
| Intech Investment Management LLC | 37,045 | $4.53M | 0.04% | −2,897−7.3% | Reduced |
| Edgestream Partners, L.P. | 37,088 | $4.54M | 0.13% | −51,120−58.0% | Reduced |
| Algert Global LLC | 37,270 | $4.56M | 0.05% | +31,810+582.6% | Added |
| Rice Hall James & Associates, LLC | 39,775 | $4.87M | 0.24% | −2,450−5.8% | Reduced |
| Pathstone Holdings, LLC | 39,913 | $4.88M | 0.01% | +10,114+33.9% | Added |
| Lisanti Capital Growth, LLC | 41,450 | $5.07M | 1.12% | −12,115−22.6% | Reduced |
| Calamos Advisors LLC | 42,608 | $5.21M | 0.02% | −13,871−24.6% | Reduced |
| Alliancebernstein L.P. | 71,636 | $5.22M | 0.00% | +10,820+17.8% | Added |
| Great West Life Assurance Co | 43,151 | $5.26M | 0.01% | −1,128−2.5% | Reduced |
| Vanguard Asset Management, Ltd | 43,113 | $5.27M | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 43,902 | $5.37M | 0.15% | +4,457+11.3% | Added |
| Moody National Bank Trust Division | 46,204 | $5.65M | 0.47% | +5,124+12.5% | Added |
| EAM Investors, LLC | 47,917 | $5.86M | 0.52% | +47,917 | New |
| Citigroup Inc | 48,152 | $5.89M | 0.00% | +4,514+10.3% | Added |
| Future Fund LLC | 51,343 | $6.28M | 1.80% | +2,698+5.5% | Added |
| Creative Planning | 51,767 | $6.33M | 0.00% | +13,665+35.9% | Added |
| AQR Capital Management LLC | 55,158 | $6.34M | 0.00% | −12,122−18.0% | Reduced |
| New York State Teachers Retirement System | 52,511 | $6.42M | 0.01% | +1,626+3.2% | Added |
| Candelo Capital Management LP | 54,060 | $6.61M | 4.86% | −6,400−10.6% | Reduced |
| Barclays PLC | 54,495 | $6.67M | 0.00% | −3,327−5.8% | Reduced |
| Pier Capital, LLC | 55,104 | $6.74M | 0.89% | −902−1.6% | Reduced |
| Prudential Financial Inc | 55,166 | $6.75M | 0.01% | +950+1.8% | Added |
| Cerity Partners LLC | 60,446 | $7.39M | 0.01% | −317−0.5% | Reduced |
| 13D Management LLC | 60,462 | $7.40M | 10.37% | 00.0% | Unchanged |
| Loup Funds, LLC | 61,166 | $7.48M | 3.40% | +4,542+8.0% | Added |
| D. E. Shaw & Co., Inc. | 61,830 | $7.56M | 0.00% | +6,926+12.6% | Added |