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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, Q4 2024

Institutional positions in Mercury Systems Inc as of Dec 31, 2024. 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
243
+3 vs. Q3 2024
Shares held
63.4M
+701.4K (+1.1%) vs. Q3 2024
Total value
$2.66B
+$343.8M (+14.8%) vs. Q3 2024
New holders
30
83 more added
Sold out
27
88 more reduced

5 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 243 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 heldQ4 2024: $2.66B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q3 2024.

Institutions holding MRCY in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
13D Management LLC221,015$9.28M6.88%+89,507+68.1%Added
Nuveen Asset Management, LLC221,891$9.32M0.00%−3,620−1.6%Reduced
Two Sigma Advisers, LP226,800$9.53M0.02%−10,400−4.4%Reduced
Principal Financial Group Inc245,880$10.3M0.01%+7,512+3.2%Added
Loomis Sayles & Co L P251,908$10.6M0.01%00.0%Unchanged
Royce & Associates LP262,659$11.0M0.10%+41,380+18.7%Added
Bank of America Corp279,385$11.7M0.00%−239,538−46.2%Reduced
Marshall Wace, LLP296,908$12.5M0.02%−119,334−28.7%Reduced
Van Eck Associates Corp297,109$12.5M0.02%+77,254+35.1%Added
Bank of New York Mellon Corp327,523$13.8M0.00%−26,432−7.5%Reduced
Ameriprise Financial Inc392,358$16.5M0.00%+46,688+13.5%Added
Fisher Asset Management, LLC395,265$16.6M0.01%+395,265New
Two Sigma Investments, LP399,246$16.8M0.04%−75,774−16.0%Reduced
Aristotle Capital Boston, LLC430,121$18.1M0.67%−74,619−14.8%Reduced
WCM Investment Management, LLC441,792$18.6M0.04%−8,339−1.9%Reduced
Kennedy Capital Management, Inc.466,177$19.6M0.43%+277,355+146.9%Added
Staley Capital Advisers Inc488,080$20.5M0.91%−6,790−1.4%Reduced
Mesirow Institutional Investment Management, Inc.500,831$21.0M1.62%+64,283+14.7%Added
Morgan Stanley515,261$21.6M0.00%−36,343−6.6%Reduced
UBS Group AG533,250$22.4M0.01%+498,354+1,428.1%Added
FMR LLC555,994$23.4M0.00%+552,927+18,028.3%Added
Goldman Sachs Group Inc564,452$23.7M0.00%+10,482+1.9%Added
Northern Trust Corp593,455$24.9M0.00%+16,674+2.9%Added
Invesco Ltd.631,961$26.5M0.00%+37,847+6.4%Added
Charles Schwab Investment Management Inc673,224$28.3M0.01%+14,391+2.2%Added
Royal Bank of Canada757,236$31.8M0.01%−5,125−0.7%Reduced
First Trust Advisors LP988,936$41.5M0.04%+333,109+50.8%Added
Millennium Management LLC1,023,508$43.0M0.04%+677,894+196.1%Added
Neuberger Berman Group LLC1,069,618$44.9M0.04%−7,601−0.7%Reduced
Snyder Capital Management L P1,165,119$48.9M1.02%−78,696−6.3%Reduced
Bamco Inc1,201,324$50.5M0.13%−4,330−0.4%Reduced
Fuller & Thaler Asset Management, Inc.1,202,667$50.5M0.19%−2,784−0.2%Reduced
Geode Capital Management, LLC1,230,214$51.7M0.00%−40,986−3.2%Reduced
Segall Bryant & Hamill, LLC1,270,821$53.4M0.73%+1,946+0.2%Added
Scopia Capital Management LP1,328,021$55.8M5.90%+648,878+95.5%Added
Victory Capital Management Inc2,060,131$86.5M0.09%+294,747+16.7%Added
Conestoga Capital Advisors, LLC2,072,817$87.1M1.15%+743,552+55.9%Added
Dimensional Fund Advisors LP2,202,124$92.5M0.02%+52,725+2.5%Added
State Street Corp2,936,241$123.3M0.00%−262,193−8.2%Reduced
Vanguard Group Inc5,550,610$233.1M0.00%+41,324+0.8%Added
William Blair Investment Management, LLC6,432,601$270.2M0.66%−866,911−11.9%Reduced
JANA Partners Management, LP6,941,565$291.5M15.23%00.0%Unchanged
BlackRock, Inc.8,820,916$370.5M0.01%+145,124+1.7%Added
T. Rowe Price Investment Management, Inc.0$00.00%−805,653−100.0%Sold out
Westwood Holdings Group Inc.0$00.00%−787,788−100.0%Sold out
Sasco Capital Inc0$00.00%−376,170−100.0%Sold out
Brandywine Global Investment Management, LLC0$00.00%−128,411−100.0%Sold out
Roubaix Capital, LLC0$00.00%−106,411−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−96,565−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−51,963−100.0%Sold out
Sherbrooke Park Advisers LLC0$00.00%−34,387−100.0%Sold out
Squarepoint Ops LLC0$00.00%−25,619−100.0%Sold out
RBF Capital, LLC0$00.00%−25,000−100.0%Sold out
TD Asset Management Inc0$00.00%−24,400−100.0%Sold out
Deerfield Management Company, L.P. (Series C)0$00.00%−23,851−100.0%Sold out
Camelot Portfolios, LLC0$00.00%−16,000−100.0%Sold out
LaFleur & Godfrey LLC0$00.00%−11,375−100.0%Sold out
Corton Capital Inc.0$00.00%−11,260−100.0%Sold out
Cresset Asset Management, LLC0$00.00%−8,274−100.0%Sold out
Jefferies Financial Group Inc.0$00.00%−7,507−100.0%Sold out
nVerses Capital, LLC0$00.00%−3,500−100.0%Sold out
Walleye Capital LLC0$00.00%−1,703−100.0%Sold out
Catalyst Funds Management Pty Ltd0$00.00%−1,500−100.0%Sold out
GWM Advisors LLC0$00.00%−150−100.0%Sold out
HM Payson & Co0$00.00%−100−100.0%Sold out
AdvisorNet Financial, Inc0$00.00%−26−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−17−100.0%Sold out
Allspring Global Investments Holdings, LLC0$00.00%−12−100.0%Sold out
Mendota Financial Group, LLC0$00.00%−6−100.0%Sold out
Capital Performance Advisors LLP0$00.00%−4−100.0%Sold out
Raymond James & Associates––––Not filed
B. Metzler seel. Sohn & Co. Holding AG––––Not filed
Steel Partners Holdings L.P.––––Not filed
Eisler Capital (US) LLC––––Not filed
PEAK6 Investments LLC––––Not filed