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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; 393 institutions reported holding it in 13F filings for Q2 2026, worth $8.02B in total; no superinvestor holds it.

13F holders, Q3 2021

Institutional positions in Mercury Systems Inc as of Sep 30, 2021. 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
251
−1 vs. Q2 2021
Shares held
52.9M
+336.3K (+0.6%) vs. Q2 2021
Total value
$2.51B
−$970.4M (−27.9%) vs. Q2 2021
New holders
41
102 more added
Sold out
42
83 more reduced

3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 251 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: 393 institutions
Value heldQ3 2021: $2.51B
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: $8.02B
Institutions holding MRCY and their total value by quarter
QuarterHoldersValue
Q2 2026393$8.02B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q2 2021.

Institutions holding MRCY in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Eaton Vance Management190,398$8.98M0.01%−529,204−73.5%Reduced
Kennedy Capital Management, Inc.193,204$9.16M0.21%−4,408−2.2%Reduced
Principal Financial Group Inc194,076$9.20M0.01%−1,209−0.6%Reduced
Philadelphia Trust Co203,151$9.63M0.71%+71,105+53.8%Added
Cambiar Investors LLC220,956$10.5M0.36%+4,671+2.2%Added
Peregrine Capital Management LLC221,564$10.5M0.22%−43,328−16.4%Reduced
Ameriprise Financial Inc222,960$10.6M0.00%+27,954+14.3%Added
Thrivent Financial for Lutherans235,546$11.2M0.02%−175,564−42.7%Reduced
Morgan Stanley264,835$12.6M0.00%+196,964+290.2%Added
Neuberger Berman Group LLC268,612$12.6M0.01%−7,210−2.6%Reduced
Invesco Ltd.265,707$12.6M0.00%−490,124−64.8%Reduced
Millennium Management LLC273,233$13.0M0.02%+34,362+14.4%Added
AQR Capital Management LLC277,533$13.2M0.02%+164,697+146.0%Added
Comerica Bank281,182$14.8M0.09%+62,670+28.7%Added
Charles Schwab Investment Management Inc312,768$14.8M0.00%−102,587−24.7%Reduced
American Century Companies Inc337,347$16.0M0.01%−129,992−27.8%Reduced
Franklin Resources Inc344,482$16.3M0.01%−1,580,569−82.1%Reduced
Citadel Advisors LLC356,677$16.9M0.02%+304,167+579.3%Added
Ranger Investment Management, L.P.360,439$17.1M0.91%−9,775−2.6%Reduced
Manufacturers Life Insurance Company, The371,912$17.6M0.01%+73,781+24.7%Added
Price T Rowe Associates Inc393,904$18.7M0.00%−29,491−7.0%Reduced
FMR LLC404,866$19.2M0.00%+15,775+4.1%Added
Loomis Sayles & Co L P418,933$19.9M0.02%−258,078−38.1%Reduced
Nuveen Asset Management, LLC426,339$20.2M0.01%−50,864−10.7%Reduced
Assenagon Asset Management S.A.445,298$21.1M0.09%+445,298New
Norges Bank456,913$21.7M0.00%00.0%Unchanged
NFJ Investment Group, LLC460,906$21.9M0.43%−59,316−11.4%Reduced
Northern Trust Corp483,970$22.9M0.00%−6,462−1.3%Reduced
Blair William & Co539,692$25.6M0.09%−215,287−28.5%Reduced
Aristotle Capital Boston, LLC541,027$25.7M0.60%+75,575+16.2%Added
Sandhill Capital Partners LLC589,872$28.0M2.24%+31,995+5.7%Added
Jana Partners LLC618,361$29.3M2.29%+618,361New
Snyder Capital Management L P624,845$29.6M0.78%−13,566−2.1%Reduced
Bank of America Corp644,282$30.6M0.00%+166,764+34.9%Added
Standard Life Aberdeen plc717,258$34.0M0.08%+85,151+13.5%Added
Stephens Investment Management Group LLC730,177$34.6M0.47%−336,478−31.5%Reduced
Royal Bank of Canada818,089$38.8M0.01%+14,306+1.8%Added
D. E. Shaw & Co., Inc.904,109$42.9M0.05%+592,776+190.4%Added
Dimensional Fund Advisors LP954,791$45.3M0.01%+178,321+23.0%Added
Federated Hermes, Inc.956,072$45.3M0.09%−1,087,204−53.2%Reduced
Goldman Sachs Group Inc992,393$47.1M0.01%+740,222+293.5%Added
Geode Capital Management, LLC1,240,368$58.8M0.01%+499,724+67.5%Added
Janus Henderson Group PLC1,335,040$63.3M0.03%+310,578+30.3%Added
Bank of New York Mellon Corp1,558,315$73.9M0.01%−84,240−5.1%Reduced
Bamco Inc2,047,169$97.1M0.22%+19,489+1.0%Added
State Street Corp2,291,244$108.7M0.01%+48,623+2.2%Added
Wellington Management Group LLP2,822,173$133.8M0.02%+1,234,915+77.8%Added
Conestoga Capital Advisors, LLC2,911,108$138.0M1.91%+108,440+3.9%Added
William Blair Investment Management, LLC3,348,212$158.8M0.45%−37,615−1.1%Reduced
Vanguard Group Inc5,164,144$244.9M0.01%+7100.0%Added
BlackRock Inc.5,437,407$257.8M0.01%+31,771+0.6%Added
Proequities, Inc.0$00.00%−105−100.0%Sold out
Fort Washington Investment Advisors Inc0$00.00%−183,975−100.0%Sold out
RK Capital Management, LLC0$00.00%−139,800−100.0%Sold out
Congress Asset Management Co0$00.00%−104,250−100.0%Sold out
Jupiter Asset Management Ltd0$00.00%−70,000−100.0%Sold out
Bradley Foster & Sargent Inc0$00.00%−65,897−100.0%Sold out
Oak Ridge Investments LLC0$00.00%−59,113−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−42,300−100.0%Sold out
Employees Retirement System of Texas0$00.00%−38,000−100.0%Sold out
Rice Hall James & Associates, LLC0$00.00%−34,581−100.0%Sold out
Summit Global Investments0$00.00%−25,530−100.0%Sold out
Ergoteles LLC0$00.00%−14,121−100.0%Sold out
Renaissance Group LLC0$00.00%−13,244−100.0%Sold out
Barbara Oil Co.0$00.00%−12,920−100.0%Sold out
Emerald Advisers, LLC0$00.00%−11,776−100.0%Sold out
Natixis Advisors, L.P.0$00.00%−11,262−100.0%Sold out
Greenwood Capital Associates LLC0$00.00%−7,186−100.0%Sold out
XTX Topco Ltd0$00.00%−6,165−100.0%Sold out
Verition Fund Management LLC0$00.00%−6,104−100.0%Sold out
First Republic Investment Management, Inc.0$00.00%−5,459−100.0%Sold out
ProShare Advisors LLC0$00.00%−4,637−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−4,448−100.0%Sold out
Altfest L J & Co Inc0$00.00%−4,243−100.0%Sold out
Jane Street Group, LLC0$00.00%−3,866−100.0%Sold out
Profund Advisors LLC0$00.00%−3,354−100.0%Sold out
Shelton Capital Management0$00.00%−3,236−100.0%Sold out
Marco Investment Management LLC0$00.00%−3,190−100.0%Sold out
Pitcairn Co0$00.00%−3,111−100.0%Sold out
Compagnie Lombard Odier SCmA0$00.00%−2,700−100.0%Sold out
FORA Capital, LLC0$00.00%−1,840−100.0%Sold out
Panagora Asset Management Inc0$00.00%−1,814−100.0%Sold out
First Mercantile Trust Co0$00.00%−1,149−100.0%Sold out
Emerald Mutual Fund Advisers Trust0$00.00%−1,021−100.0%Sold out
Strategic Blueprint, LLC0$00.00%−462−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−424−100.0%Sold out
Federation des caisses Desjardins du Quebec0$00.00%−265−100.0%Sold out
Baillie Gifford & Co0$00.00%−205−100.0%Sold out
CVA Family Office, LLC0$00.00%−148−100.0%Sold out
Gemmer Asset Management LLC0$00.00%−79−100.0%Sold out
Bellevue Asset Management, LLC0$00.00%−29−100.0%Sold out
Manchester Capital Management LLC0$00.00%−20−100.0%Sold out
Transamerica Financial Advisors, Inc.0$00.00%−2−100.0%Sold out
Pictet Asset Management Ltd––––Not filed
Cowen Prime Services LLC––––Not filed
First Horizon Corp––––Not filed