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Mercury Systems (MRCY) Institutional Ownership

Mercury Systems logo
$83.50 +0.94 (+1.14%)
Closing price 10/3/2025 04:00 PM Eastern
Extended Trading
$84.25 +0.75 (+0.90%)
As of 10/3/2025 07:57 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for Mercury Systems (NASDAQ:MRCY)

Current
Institutional Ownership
Percentage
95.99%
Number of
Institutional Buyers
(last 12 months)
173
Total
Institutional Inflows
(last 12 months)
$501.67M
Number of
Institutional Sellers
(last 12 months)
100
Total
Institutional Outflows
(last 12 months)
$304.93M
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MRCY Institutional Buying and Selling by Quarter

Mercury Systems Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/2/2025 GAMMA Investing LLC1,600$124K0.0%+21.0%0.003%
9/26/2025Corient Private Wealth LLC14,690$791K0.0%+132.3%0.024%
9/24/2025Texas Permanent School Fund Corp26,882$1.45M0.0%-14.3%0.045%
9/4/2025Osaic Holdings Inc.599$32K0.0%+53.2%0.001%
8/27/2025Squarepoint Ops LLC45,871$2.47M0.0%+406.1%0.077%
8/22/2025Cim Investment Management Inc.15,827$852K0.2%+100.7%0.026%
8/18/2025Castleark Management LLC92,800$5.00M0.2%N/A0.155%
8/16/2025Public Sector Pension Investment Board173,201$9.33M0.0%+7.7%0.289%
8/16/2025Evergreen Capital Management LLC3,938$212K0.0%N/A0.007%
8/15/2025CANADA LIFE ASSURANCE Co42,446$2.29M0.0%-3.1%0.071%
8/15/2025Tower Research Capital LLC TRC 6,494$350K0.0%+516.7%0.011%
8/15/2025Corient Private Wealth LLC7,345$396K0.0%+16.1%0.012%
8/15/2025State of Tennessee Department of Treasury20,849$1.12M0.0%+16.3%0.035%
8/15/2025Captrust Financial Advisors13,846$746K0.0%N/A0.023%
8/15/2025Vident Advisory LLC102,751$5.53M0.1%+34.3%0.171%
8/15/2025Select Equity Group L.P.83,770$4.51M0.0%+351.6%0.140%
8/15/2025Rafferty Asset Management LLC13,163$709K0.0%+12.3%0.022%
8/15/2025Scopia Capital Management LP446,623$24.06M2.9%-48.8%0.745%
8/15/2025Engineers Gate Manager LP14,279$769K0.0%N/A0.024%
8/15/2025BNP Paribas Financial Markets34,674$1.87M0.0%+53.5%0.058%
8/15/2025Boothbay Fund Management LLC31,252$1.68M0.0%-52.9%0.052%
8/15/2025Brevan Howard Capital Management LP22,861$1.23M0.0%+0.9%0.038%
8/15/2025Bamco Inc. NY1,234,801$66.51M0.2%+3.2%2.061%
8/15/2025Bank of America Corp DE300,540$16.19M0.0%+17.8%0.502%
8/15/2025Ameriprise Financial Inc.415,809$22.40M0.0%+10.3%0.694%
8/14/2025California State Teachers Retirement System46,848$2.52M0.0%+0.9%0.078%
8/14/2025Raymond James Financial Inc.166,478$8.97M0.0%+10.1%0.278%
8/14/2025Quantinno Capital Management LP38,493$2.07M0.0%+0.7%0.064%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.423,483$22.81M0.0%+58.7%0.707%
8/14/2025The Manufacturers Life Insurance Company 28,782$1.55M0.0%-5.6%0.048%
8/14/2025Squarepoint Ops LLC45,871$2.47M0.0%+406.1%0.077%
8/14/2025Sei Investments Co.190,599$10.27M0.0%+19.3%0.318%
8/14/202513D Management LLC137,012$7.38M6.7%-32.4%0.229%
8/14/2025iSAM Funds UK Ltd8,772$472K0.1%+43.9%0.015%
8/14/2025Lombard Odier Asset Management USA Corp7,605$410K0.0%+19.2%0.013%
8/14/2025State Street Corp3,246,573$174.86M0.0%+8.7%5.418%
8/14/2025WINTON GROUP Ltd10,493$565K0.0%N/A0.018%
8/14/2025Cerity Partners LLC57,552$3.10M0.0%+0.4%0.096%
8/14/2025Federated Hermes Inc.801$43K0.0%N/A0.001%
8/13/2025Archon Capital Management LLC49,600$2.67M2.2%N/A0.083%
8/13/2025Marshall Wace LLP67,916$3.66M0.0%-87.3%0.114%
8/13/2025First Trust Advisors LP781,009$42.07M0.0%-17.3%1.307%
8/13/2025Kennedy Capital Management LLC530,933$28.60M0.7%+51.0%0.888%
8/13/2025EverSource Wealth Advisors LLC929$50K0.0%+33.7%0.002%
8/13/2025Invesco Ltd.583,707$31.44M0.0%-4.4%0.977%
8/13/2025M&T Bank Corp20,868$1.12M0.0%-7.0%0.035%
8/13/2025Fisher Asset Management LLC721,333$38.85M0.0%+0.1%1.207%
8/13/2025Loomis Sayles & Co. L P992,610$53.46M0.1%+321.7%1.661%
8/13/2025Hsbc Holdings PLC6,857$369K0.0%N/A0.011%
8/13/2025Russell Investments Group Ltd.84,519$4.55M0.0%+106.9%0.141%
8/12/2025Prudential Financial Inc.193,175$10.40M0.0%+286.2%0.323%
8/12/2025American Century Companies Inc.12,947$697K0.0%-79.4%0.022%
8/12/2025Segall Bryant & Hamill LLC999,185$53.82M0.8%-2.6%1.672%
8/12/2025Rhumbline Advisers155,746$8.39M0.0%+0.7%0.261%
8/12/2025Franklin Resources Inc.17,710$954K0.0%N/A0.030%
8/12/2025Legal & General Group Plc164,243$8.85M0.0%+1.5%0.275%
8/12/2025Neo Ivy Capital Management50,632$2.73M0.9%N/A0.085%
8/12/2025JPMorgan Chase & Co.124,973$6.73M0.0%+30.3%0.209%
8/12/2025Swiss National Bank96,900$5.22M0.0%-1.3%0.162%
8/8/2025Intech Investment Management LLC35,587$1.92M0.0%-53.7%0.060%
8/8/2025Creative Planning15,839$853K0.0%+55.7%0.027%
8/8/2025SG Americas Securities LLC14,919$804K0.0%-39.1%0.025%
8/8/2025OmniStar Financial Group Inc.11,861$639K0.5%-23.0%0.020%
8/8/2025Commonwealth of Pennsylvania Public School Empls Retrmt SYS13,040$702K0.0%+7.4%0.022%
8/8/2025Calamos Advisors LLC54,954$2.96M0.0%+179.2%0.092%
8/8/2025Police & Firemen s Retirement System of New Jersey11,987$646K0.0%+4.5%0.020%
8/8/2025Geode Capital Management LLC1,265,010$68.14M0.0%+0.0%2.117%
8/8/2025PNC Financial Services Group Inc.7,033$379K0.0%+17.9%0.012%
8/8/2025KBC Group NV1,886$102K0.0%-24.4%0.003%
8/7/2025ProShare Advisors LLC11,600$625K0.0%-5.1%0.019%
8/7/2025Lisanti Capital Growth LLC94,205$5.07M1.4%+58.4%0.158%
8/7/2025King Luther Capital Management Corp107,443$5.79M0.0%+41.2%0.180%
8/7/2025Zions Bancorporation National Association UT58,286$3.14M0.2%+6.5%0.098%
8/7/2025Future Fund LLC25,734$1.39M0.6%+139.1%0.043%
8/7/2025Connor Clark & Lunn Investment Management Ltd.30,001$1.62M0.0%N/A0.050%
8/7/2025Mitsubishi UFJ Asset Management Co. Ltd.10,419$561K0.0%-11.4%0.017%
8/6/2025Mark Sheptoff Financial Planning LLC1,100$59K0.0%N/A0.002%
8/6/2025Moors & Cabot Inc.5,250$283K0.0%-24.5%0.009%
8/5/2025Bank of New York Mellon Corp312,822$16.85M0.0%+0.3%0.523%
8/5/2025Harel Insurance Investments & Financial Services Ltd.7,751$417K0.0%+24.9%0.013%
8/4/2025Keybank National Association OH9,268$499K0.0%-15.3%0.016%
8/4/2025Emerald Mutual Fund Advisers Trust263,218$14.18M0.9%N/A0.440%
8/4/2025Emerald Advisers LLC456,713$24.60M0.9%N/A0.764%
8/4/2025Quaker Wealth Management LLC644$35K0.0%-200.0%0.001%
8/1/2025Teacher Retirement System of Texas7,703$415K0.0%+4.0%0.013%
8/1/2025Envestnet Asset Management Inc.16,105$867K0.0%+5.4%0.027%
7/30/2025Cookson Peirce & Co. Inc.34,217$1.84M0.1%N/A0.057%
7/30/2025Conestoga Capital Advisors LLC2,558,935$137.82M2.0%+13.3%4.282%
7/29/2025Mutual of America Capital Management LLC157,856$8.50M0.1%+136.6%0.264%
7/29/2025William Blair Investment Management LLC4,695,683$252.91M0.7%-12.6%7.858%
7/29/2025WCM Investment Management LLC354,684$18.94M0.0%-19.8%0.594%
7/28/2025Bayforest Capital Ltd14,836$799K0.3%N/A0.025%
7/28/2025TD Asset Management Inc11,718$631K0.0%N/A0.020%
7/25/2025Verdence Capital Advisors LLC4,390$236K0.0%N/A0.007%
7/25/2025Allspring Global Investments Holdings LLC179,111$9.07M0.0%N/A0.300%
7/24/2025Blair William & Co. IL125,047$6.74M0.0%-5.4%0.209%
7/23/2025KLP Kapitalforvaltning AS11,100$598K0.0%+4.7%0.019%
7/22/2025Hunter Perkins Capital Management LLC8,861$477K0.1%-6.3%0.015%
7/21/2025Hilltop National Bank2,050$110K0.0%N/A0.003%
7/21/2025Mirae Asset Global Investments Co. Ltd.1,271$68K0.0%-15.8%0.002%
(Data available from 1/1/2016 forward)

MRCY Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MRCY shares?

During the previous two years, 263 institutional investors and hedge funds held shares of Mercury Systems. The most heavily invested institutionals were William Blair Investment Management LLC ($252.91M), Vanguard Group Inc. ($237.03M), State Street Corp ($174.86M), JANA Partners Management LP ($174.52M), Conestoga Capital Advisors LLC ($137.82M), Dimensional Fund Advisors LP ($92.49M), and Victory Capital Management Inc. ($74.75M).Learn more on Mercury Systems' institutional investors.

What percentage of Mercury Systems' stock is owned by institutional investors?

95.99% of Mercury Systems' stock is owned by institutional investors. Learn more on MRCY's institutional investor holdings.

Which institutional investors have been buying Mercury Systems' stock?

Of the 232 institutional investors that purchased Mercury Systems' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: JANA Partners Management LP ($4.71M), Conestoga Capital Advisors LLC ($1.58M), William Blair Investment Management LLC ($1.41M), Loomis Sayles & Co. L P ($757.22K), Millennium Management LLC ($677.89K), Vanguard Group Inc. ($524.24K), and MetLife Investment Management LLC ($479.29K).

How much institutional buying is happening at Mercury Systems?

Institutional investors have bought a total of 10,876,916 shares in the last 24 months. This purchase volume represents approximately $501.67M in transactions.

Which of Mercury Systems' major shareholders have been selling company stock?

Of the 100 institutional investors that sold Mercury Systems' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: William Blair Investment Management LLC ($1.54M), Scopia Capital Management LP ($1.05M), Marshall Wace LLP ($587.58K), Victory Capital Management Inc. ($373.65K), Millennium Management LLC ($339.50K), Segall Bryant & Hamill LLC ($313.34K), and Bank of America Corp DE ($239.54K).

How much institutional selling is happening at Mercury Systems?

Institutional investors have sold a total of 6,786,838 shares in the last 24 months. This volume of shares sold represents approximately $304.93M in transactions.


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This page (NASDAQ:MRCY) was last updated on 10/5/2025 by MarketBeat.com Staff
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