Mercury Systems Inc (MRCY) Ownership

49.25 ↑0.90 (1.86%)
As of December 31, 1969, 7:00pm EST.

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Mercury Systems Inc (MRCY), owning a total of 8.8 million shares. Combined, the top 36 institutional holders of MRCY own 118.50% of the company with a total of 70.6 million shares.

In the latest ownership report on March 31st 2025, the top 36 institutional holders decreased their combined ownership of MRCY by 1.6 million shares. 6 institutions bought 848,879 total additional shares and increased their ownership by an average of 19.41%. However 11 institutions sold 2,415,864 total shares and decreased their ownership by an average of 9.15%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Mercury Systems decreased by a net total of -1,566,985 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc14.678%-0.568%8,770,778-50,1382025-03-31
Jana Partners Management LP11.617%0.000%6,941,56502025-03-31
Vanguard Group Inc9.206%-0.898%5,500,788-49,8222025-03-31
William Blair Investment Management, LLC8.990%-16.485%5,372,198-1,060,4032025-03-31
State Street Corp4.999%1.735%2,987,18550,9442025-03-31
Conestoga Capital Advisors, LLC3.779%8.943%2,258,186185,3692025-03-31
Dimensional Fund Advisors, Inc.3.421%-7.171%2,044,217-157,9072025-03-31
Victory Capital Management Inc.2.903%-15.792%1,734,791-325,3402025-03-31
Geode Capital Management, LLC2.116%2.785%1,264,47534,2612025-03-31
BAMCO Inc2.002%-0.439%1,196,046-5,2782025-03-31
Fuller & Thaler Asset Management Inc1.975%-1.852%1,180,391-22,2762025-03-31
Snyder Capital Management LP1.888%-3.173%1,128,147-36,9722025-03-31
Neuberger Berman Group LLC1.780%-0.587%1,063,338-6,2802025-03-31
Segall Bryant & Hamill1.716%-19.295%1,025,622-245,1992025-03-31
Scopia Management Inc1.459%-34.356%871,772-456,2492025-03-31
Goldman Sachs Group Inc1.432%51.553%855,441290,9892025-03-31
FMR Inc1.403%50.746%838,140282,1462025-03-31
Royal Bank of Canada1.276%0.683%762,4065,1702025-03-31

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
BlackRock Inc14.678%-0.568%8,770,778-50,1382025-03-31
Jana Partners Management LP11.617%0.000%6,941,56502025-03-31
Vanguard Group Inc9.206%-0.898%5,500,788-49,8222025-03-31
William Blair Investment Management, LLC8.990%-16.485%5,372,198-1,060,4032025-03-31
JANA Partners LLC7.414%120.460%4,394,6412,401,2422023-06-30
State Street Corporation6.309%5.997%3,748,098212,0502024-03-31
State Street Corp4.999%1.735%2,987,18550,9442025-03-31
Starboard Value LP3.847%-13.889%2,294,000-370,0002024-06-30
Wellington Management Company LLP3.814%0.828%2,260,56618,5632023-06-30
Conestoga Capital Advisors, LLC3.779%8.943%2,258,186185,3692025-03-31
Dimensional Fund Advisors, Inc.3.421%-7.171%2,044,217-157,9072025-03-31
Victory Capital Management Inc.2.903%-15.792%1,734,791-325,3402025-03-31
Morgan Stanley - Brokerage Accounts2.702%57.549%1,611,088588,4942024-06-30
Fred Alger Management, LLC2.312%4.996%1,345,33364,0092023-03-31
Geode Capital Management, LLC2.116%2.785%1,264,47534,2612025-03-31
BAMCO Inc2.002%-0.439%1,196,046-5,2782025-03-31
Fuller & Thaler Asset Management Inc1.975%-1.852%1,180,391-22,2762025-03-31
Snyder Capital Management LP1.888%-3.173%1,128,147-36,9722025-03-31
Neuberger Berman Group LLC1.780%-0.587%1,063,338-6,2802025-03-31
Segall Bryant & Hamill1.716%-19.295%1,025,622-245,1992025-03-31
Millennium Management LLC1.713%196.142%1,023,508677,8942024-12-31
First Trust Advisors L.P.1.655%50.792%988,936333,1092024-12-31
Federated Hermes Inc1.639%3.280%953,60830,2862023-03-31
Manufacturers Life Insurance Co1.539%10.850%913,49889,4162023-12-31
Scopia Management Inc1.459%-34.356%871,772-456,2492025-03-31
Goldman Sachs Group Inc1.432%51.553%855,441290,9892025-03-31
FMR Inc1.403%50.746%838,140282,1462025-03-31
T. Rowe Price Investment Management,Inc.1.350%0.000%805,653805,6532024-09-30
Westwood Holdings Group Inc1.320%-45.606%787,788-660,5152024-09-30
Royal Bank of Canada1.276%0.683%762,4065,1702025-03-31
Charles Schwab Investment Management Inc1.127%2.184%673,22414,3912024-12-31
Ranger Investment Management LP1.100%-3.559%653,108-24,1002023-09-30
Amvescap Plc.1.058%6.370%631,96137,8472024-12-31
Cooper Creek Partners Management LLC1.063%-27.566%630,856-240,0802023-12-31
Bank of New York Mellon Corp0.956%-9.419%567,242-58,9862024-06-30
American Century Companies Inc0.943%13.637%559,97867,1992023-12-31

Mutual Fund Ownership

iShares Core S&P Small-Cap ETF is the biggest individual fund holder of Mercury Systems Inc (MRCY), owning a total of 3.1 million shares. Combined, the top 43 mutual fund holders of MRCY own 68.95% of the company with a total of 40.9 million shares.

In the latest ownership report on April 30th 2025, the top 43 fund holders increased their combined ownership of MRCY by 13 thousand shares. 5 funds bought 35,195 total additional shares and increased their ownership by an average of 0.54%. However 3 funds sold 21,705 total shares and decreased their ownership by an average of 1.08%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Mercury Systems increased by a net total of 13,490 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Small-Cap ETF5.149%-0.090%3,077,051-2,7722025-04-30
Vanguard Total Stock Mkt Idx Inv2.714%1.403%1,621,74422,4412025-04-30
iShares Russell 2000 ETF2.151%0.017%1,285,0852172025-04-30
Vanguard Small Cap Index2.131%0.714%1,273,5079,0232025-04-30
William Blair SMID Growth CIT 11.456%0.000%869,88702025-04-30
SPDR® S&P Aerospace & Defense ETF1.385%0.000%827,63302025-04-30
Vanguard Institutional Extnd Mkt Idx Tr1.325%0.116%791,5969202025-04-30
Vanguard Small Cap Growth Index Inv1.186%-0.412%708,780-2,9332025-04-30
First Trust RBA Amer Indl RenaisTM ETF1.045%0.000%624,61902025-04-30
iShares US Aerospace & Defense ETF0.995%0.000%594,32202025-04-30
VanEck Defense ETF A USD Acc0.985%0.443%588,6592,5942025-04-30
William Blair Small-Mid Cap Growth I0.950%-2.742%567,451-16,0002025-04-30

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
iShares Core S&P Small-Cap ETF5.149%-0.090%3,077,051-2,7722025-04-30
iShares Core S&P Mid-Cap ETF3.190%0.487%1,856,4158,9912023-07-31
Vanguard Instl Ttl Stck Mkt Idx Tr2.897%2.573%1,717,42843,0752023-03-31
Vanguard Total Stock Mkt Idx Inv2.714%1.403%1,621,74422,4412025-04-30
Vanguard US Total Market Shares ETF2.688%0.112%1,604,2081,7942024-09-30
Victory Small Cap Value CIT (Net 75)2.616%18.182%1,560,000240,0002024-12-31
Vanguard Explorer Inv2.563%0.000%1,491,21402023-06-30
Victory Sycamore Small Company Opp R2.179%-16.539%1,302,000-258,0002025-03-31
iShares Russell 2000 ETF2.151%0.017%1,285,0852172025-04-30
Conestoga Small Cap Investors2.139%-1.064%1,278,133-13,7502025-03-31
Vanguard Small Cap Index2.131%0.714%1,273,5079,0232025-04-30
William Blair Sml-Mid Cap Grwth CIT Cl A1.957%0.000%1,166,9841,166,9842024-09-30
FullerThaler Behavioral Small-Cap Value1.762%-3.114%1,052,644-33,8372025-03-31
Undiscovered Managers Behavioral Val L1.680%-2.341%1,003,726-24,0602025-03-31
William Blair Small-Mid Cap Growth CIT1.664%-15.186%992,424-177,7002024-12-31
Baron Discovery Strategy1.540%0.000%920,38002025-03-31
Baron Discovery Institutional1.540%0.000%920,38002025-03-31
Alger Small Cap Focus Composite1.580%0.000%919,51302023-05-31
Alger Small Cap Focus I1.580%0.000%919,51302023-05-31
William Blair SMID Growth CIT 11.456%0.000%869,88702025-04-30
SPDR® S&P Aerospace & Defense ETF1.385%0.000%827,63302025-04-30
Vanguard Extended Market Index Investor1.397%-0.019%812,638-1532023-08-31
William Blair Small-Mid Cap Growth CITV1.375%0.000%799,937799,9372022-12-31
Vanguard Institutional Extnd Mkt Idx Tr1.325%0.116%791,5969202025-04-30
BNY Mellon Sm/Md Cp Gr I1.239%-2.179%721,091-16,0632023-05-31
Vanguard Small Cap Growth Index Inv1.186%-0.412%708,780-2,9332025-04-30
Ranger Small Cap1.102%-3.559%653,085-24,1002023-09-30
Baron Small Cap Retail1.095%-18.750%650,000-150,0002024-03-31
Baron Opp. Small Cap Growth Strategy1.095%-18.750%650,000-150,0002024-03-31
First Trust RBA Amer Indl RenaisTM ETF1.045%0.000%624,61902025-04-30
iShares US Aerospace & Defense ETF0.995%0.000%594,32202025-04-30
VanEck Defense ETF A USD Acc0.985%0.443%588,6592,5942025-04-30
William Blair Small-Mid Cap Growth I0.950%-2.742%567,451-16,0002025-04-30
JHancock Small Cap Core NAV0.950%0.824%547,0024,4682023-12-31
Conestoga Small Cap Growth0.903%12.311%539,41259,1262025-03-31
William Blair US SMID Growth I USD Acc0.879%11.505%523,11553,9732024-09-30
iShares S&P Small-Cap 600 Value ETF0.863%-0.575%515,231-2,9792025-03-31
Fidelity Small Cap Index0.862%0.713%515,1303,6482025-02-28
American Century U.S. Small Cap Growth0.863%8.872%497,00240,5012023-12-31
American Century Small Cap Growth Inv0.863%8.872%497,00240,5012023-12-31
William Blair SMID Core CIT Class 40.825%0.000%489,783489,7832024-03-31
iShares Russell 2000 Value ETF0.812%-0.205%484,591-9932025-02-26
SPDR® Portfolio S&P 600 Sm Cap ETF0.779%0.000%462,46702024-04-30

Discussions

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activerunningtrade

$MRCY If options never existed
what do you think this stock would be trading at?

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ihatenewegg

$MRCY Not Selling
Hodling for thousands!

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HousewifeTrader

$MRCY hows short doing? Keep short pls
we need your money.

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