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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.

Institutional holdersQ2 2026: 392 institutions
Q1 2021: 282 institutionsQ2 2021: 255 institutionsQ3 2021: 251 institutionsQ4 2021: 252 institutionsQ1 2022: 253 institutionsQ2 2022: 254 institutionsQ3 2022: 235 institutionsQ4 2022: 236 institutionsQ1 2023: 245 institutionsQ2 2023: 236 institutionsQ3 2023: 217 institutionsQ4 2023: 219 institutionsQ1 2024: 222 institutionsQ2 2024: 232 institutionsQ3 2024: 245 institutionsQ4 2024: 243 institutionsQ1 2025: 253 institutionsQ2 2025: 285 institutionsQ3 2025: 326 institutionsQ4 2025: 347 institutionsQ1 2026: 357 institutionsQ2 2026: 392 institutions
Value heldQ2 2026: $8.01B
Q1 2021: $3.75BQ2 2021: $3.48BQ3 2021: $2.51BQ4 2021: $3.14BQ1 2022: $3.77BQ2 2022: $3.65BQ3 2022: $2.33BQ4 2022: $2.61BQ1 2023: $2.94BQ2 2023: $1.95BQ3 2023: $2.22BQ4 2023: $2.23BQ1 2024: $1.84BQ2 2024: $1.75BQ3 2024: $2.33BQ4 2024: $2.66BQ1 2025: $2.72BQ2 2025: $3.50BQ3 2025: $5.02BQ4 2025: $4.72BQ1 2026: $4.75BQ2 2026: $8.01B
Institutions holding MRCY and their total value by quarter
QuarterHoldersValue
Q2 2026392$8.01B
Q1 2026357$4.75B
Q4 2025347$4.72B
Q3 2025326$5.02B
Q2 2025285$3.50B
Q1 2025253$2.72B
Q4 2024243$2.66B
Q3 2024245$2.33B
Q2 2024232$1.75B
Q1 2024222$1.84B
Q4 2023219$2.23B
Q3 2023217$2.22B
Q2 2023236$1.95B
Q1 2023245$2.94B
Q4 2022236$2.61B
Q3 2022235$2.33B
Q2 2022254$3.65B
Q1 2022253$3.77B
Q4 2021252$3.14B
Q3 2021251$2.51B
Q2 2021255$3.48B
Q1 2021282$3.75B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q1 2026.

Institutions holding MRCY in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Sigma Planning Corp5,172$632.7K0.02%+5,172New
Evergreen Capital Management LLC5,167$632.1K0.01%+77+1.5%Added
Ameritas Investment Partners, Inc.5,118$626.1K0.02%+623+13.9%Added
Connor, Clark & Lunn Investment Management Ltd.4,968$607.7K0.00%−10,477−67.8%Reduced
Colony Group, LLC4,967$607.6K0.00%+4,967New
Guggenheim Capital LLC4,930$603.1K0.00%+4,930New
Amundi4,621$565.3K0.00%−3,412−42.5%Reduced
Wealth Enhancement Advisory Services, LLC8,514$548.2K0.00%+1,091+14.7%Added
Keenan, LLC4,423$541.1K0.38%+4,423New
Crossmark Global Holdings, Inc.4,389$536.9K0.01%+1,346+44.2%Added
Commonwealth Equity Services, LLC4,305$526.6K0.00%+4,305New
Steward Partners Investment Advisory, LLC4,299$525.9K0.00%+118+2.8%Added
Keybank National Association4,151$507.8K0.00%−1,065−20.4%Reduced
Allstate Corp4,102$501.8K0.01%+4,102New
Ethic Inc.3,987$487.7K0.01%+3,987New
Callan Family Office, LLC3,962$484.7K0.01%−6,610−62.5%Reduced
CIBC Bancorp USA Inc.3,728$462.8K0.00%+261+7.5%Added
Ensign Peak Advisors, Inc3,652$446.7K0.00%−1,500−29.1%Reduced
Prelude Capital Management, LLC3,611$441.7K0.03%−12,747−77.9%Reduced
Swiss Life Asset Management Ltd3,584$438.4K0.00%+390+12.2%Added
Moors & Cabot, Inc.3,550$434.3K0.02%−350−9.0%Reduced
Sanctuary Advisors, LLC3,506$428.9K0.00%+3,506New
O'Shaughnessy Asset Management, LLC3,471$424.6K0.00%−393−10.2%Reduced
DekaBank Deutsche Girozentrale5,826$421.0K0.00%00.0%Unchanged
Inceptionr LLC3,432$419.8K0.10%+3,432New
Centaurus Financial, Inc.3,390$415.0K0.02%−806−19.2%Reduced
Highland Capital Management, LLC3,367$411.9K0.02%+67+2.0%Added
Panagora Asset Management Inc3,362$411.3K0.00%−38−1.1%Reduced
Gsa Capital Partners LLP3,351$410.0K0.03%−9,169−73.2%Reduced
Hunter Perkins Capital Management, LLC3,190$390.0K0.09%00.0%Unchanged
US Bancorp3,149$385.2K0.00%−5,941−65.4%Reduced
Mercer Global Advisors Inc3,111$380.6K0.00%+3,111New
HB Wealth Management, LLC3,073$375.9K0.00%+3,073New
Profund Advisors LLC3,042$372.1K0.01%+3,042New
Beacon Pointe Advisors, LLC3,037$371.5K0.00%+3,037New
NorthCrest Asset Manangement, LLC3,249$371.2K0.01%+16+0.5%Added
Abel Hall, LLC3,034$371.1K0.06%−33−1.1%Reduced
XTX Topco Ltd3,027$370.3K0.00%+3,027New
Verdence Capital Advisors LLC3,026$370.2K0.02%+3,026New
Crestwood Advisors Group LLC2,960$362.1K0.01%+2,960New
Polen Capital Management LLC2,904$355.2K0.00%+2,904New
Millennium Management LLC2,901$354.9K0.00%−13,110−81.9%Reduced
Global Retirement Partners, LLC2,816$344.5K0.01%+2,816New
Thoroughbred Financial Services, LLC2,795$341.0K0.02%+2,795New
Teacher Retirement System of Texas2,786$340.8K0.00%+2,786New
Syon Capital LLC2,777$339.7K0.01%+25+0.9%Added
Cetera Investment Advisers2,774$339.3K0.00%+2,774New
DnB Asset Management AS2,673$327.0K0.00%−535−16.7%Reduced
Marco Investment Management LLC2,655$324.8K0.02%+2,655New
HighTower Advisors, LLC2,572$314.6K0.00%−2,490−49.2%Reduced
Cornerstone Investment Partners, LLC2,543$311.1K0.01%+2,543New
Hilltop National Bank2,510$307.0K0.07%−325−11.5%Reduced
Lazard Asset Management LLC2,465$301.5K0.00%+2,465New
Themes Management Co LLC2,388$292.1K0.19%+2,388New
Twinbeech Capital LP2,346$287.0K0.05%+2,346New
Polymer Capital Management (US) LLC2,313$282.9K0.04%+2,313New
Bayforest Capital Ltd2,293$280.5K0.26%+1,256+121.1%Added
Kestra Private Wealth Services, LLC2,247$274.9K0.00%+2,247New
Merit Financial Group, LLC2,226$272.3K0.00%+2,226New
Fifth Third Wealth Advisors LLC2,221$271.7K0.01%+2,221New
Nisa Investment Advisors, LLC2,189$267.8K0.00%+44+2.1%Added
Nykredit A/S2,167$265.1K0.00%+2,167New
Hardy Reed LLC2,125$260.0K0.02%+2,125New
AE Wealth Management LLC2,060$252.0K0.00%+2,060New
Smartleaf Asset Management LLC2,246$247.6K0.01%00.0%Unchanged
Oppenheimer Asset Management Inc.2,006$245.4K0.00%+2,006New
GAMMA Investing LLC1,984$242.7K0.01%+155+8.5%Added
Angeles Wealth Management, LLC1,936$236.8K0.01%+1,936New
Concurrent Investment Advisors, LLC1,915$234.3K0.00%+1,915New
Empowered Funds, LLC1,905$233.0K0.00%+1,905New
Williams Jones Wealth Management, LLC.1,900$232.4K0.00%+1,900New
Catalyst Funds Management Pty Ltd1,900$232.4K0.01%+1,900New
Intellectus Partners, LLC1,895$231.8K0.04%+1,895New
KBC Group NV1,886$231.0K0.00%00.0%Unchanged
CIBC Asset Management Inc1,856$227.0K0.00%+1,856New
Magnetar Financial LLC1,848$226.1K0.00%+1,848New
Byrne Financial Freedom, LLC1,770$216.5K0.08%+1,770New
Wiley Bros.-Aintree Capital, LLC1,760$215.3K0.00%+1,760New
Ritholtz Wealth Management1,730$211.6K0.00%+1,730New
Silverberg Bernstein Capital Management LLC1,700$208.0K0.08%+1,700New
First Bank & Trust1,674$204.8K0.03%+1,674New
Yarbrough Capital, LLC1,666$203.8K0.01%+1,666New
Simplex Trading, LLC1,657$202.7K0.01%+363+28.1%Added
Mitsubishi UFJ Trust & Banking Corp1,587$194.1K0.00%+1,587New
SRS Capital Advisors, Inc.1,555$190.2K0.00%+1,135+270.2%Added
Mirae Asset Global Investments Co., Ltd.1,509$184.6K0.00%−1,440−48.8%Reduced
Advisor Group Holdings, Inc.1,329$162.6K0.00%+364+37.7%Added
Pinnacle Wealth Planning Services, Inc.1,271$155.5K0.01%−767−37.6%Reduced
Kemnay Advisory Services Inc.1,181$144.5K0.02%+835+241.3%Added
Walleye Capital LLC1,144$139.9K0.00%−1,096−48.9%Reduced
State of Wyoming1,081$132.2K0.01%+71+7.0%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,050$128.4K0.00%−214−16.9%Reduced
Jones Financial Companies LLLP1,160$126.9K0.00%+507+77.6%Added
Sittner & Nelson, LLC918$112.3K0.04%00.0%Unchanged
Rockefeller Capital Management L.P.821$100.4K0.00%+185+29.1%Added
Signaturefd, LLC783$95.8K0.00%−34−4.2%Reduced
Allworth Financial LP752$92.0K0.00%+50+7.1%Added
Hantz Financial Services, Inc.689$84.0K0.00%−190−21.6%Reduced
Quantbot Technologies LP670$82.0K0.00%+670New
Quaker Wealth Management, LLC644$78.8K0.02%00.0%Unchanged