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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, Q4 2023

Institutional positions in Mercury Systems Inc as of Dec 31, 2023. 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
219
+4 vs. Q3 2023
Shares held
61.0M
+1.18M (+2.0%) vs. Q3 2023
Total value
$2.23B
+$14.3M (+0.6%) vs. Q3 2023
New holders
29
85 more added
Sold out
25
75 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2023: 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 2023: 219 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 heldQ4 2023: $2.23B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q3 2023.

Institutions holding MRCY in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
First Trust Advisors LP22,738$831.5K0.00%−2,068−8.3%Reduced
Maryland State Retirement & Pension System23,061$843.3K0.02%00.0%Unchanged
South Dakota Investment Council23,178$848.0K0.02%00.0%Unchanged
Envestnet Asset Management Inc23,277$851.2K0.00%−2,902−11.1%Reduced
Treasurer of the State of North Carolina23,807$871.0K0.00%+2,040+9.4%Added
Deutsche Bank AG24,146$883.0K0.00%−1,055−4.2%Reduced
Janus Henderson Group PLC24,320$889.0K0.00%−44−0.2%Reduced
Alliancebernstein L.P.24,361$890.9K0.00%+2,379+10.8%Added
Barclays PLC24,569$898.5K0.00%−31,822−56.4%Reduced
Yousif Capital Management, LLC25,887$946.7K0.01%+475+1.9%Added
Louisiana State Employees Retirement System26,100$954.5K0.02%00.0%Unchanged
Quadrature Capital Ltd26,178$957.9K0.02%−20,901−44.4%Reduced
Daiwa Securities Group Inc.27,911$1.02M0.01%+357+1.3%Added
Quantbot Technologies LP28,303$1.04M0.06%−25,121−47.0%Reduced
Citadel Advisors LLC28,815$1.05M0.00%−318,989−91.7%Reduced
Illinois Municipal Retirement Fund29,332$1.07M0.02%−6,231−17.5%Reduced
Natixis Advisors, L.P.31,257$1.14M0.00%−5,435−14.8%Reduced
Van Eck Associates Corp31,449$1.15M0.00%+12,312+64.3%Added
Moody National Bank Trust Division32,036$1.17M0.09%+5,939+22.8%Added
State of Alaska, Department of Revenue32,091$1.17M0.01%+208+0.7%Added
Price T Rowe Associates Inc32,266$1.18M0.00%+1,591+5.2%Added
JPMorgan Chase & Co33,572$1.23M0.00%+4,524+15.6%Added
Camelot Portfolios, LLC35,298$1.29M0.76%−174−0.5%Reduced
Zions Bancorporation, N.A.35,713$1.31M0.09%+1,091+3.2%Added
New York State Common Retirement Fund36,000$1.32M0.00%−6,793−15.9%Reduced
Millennium Management LLC37,691$1.38M0.00%−58,378−60.8%Reduced
LPL Financial LLC37,715$1.38M0.00%−818−2.1%Reduced
Ironwood Investment Management LLC38,089$1.39M0.73%−434−1.1%Reduced
Oppenheimer & Co Inc38,560$1.41M0.03%−1,539−3.8%Reduced
Needham Investment Management LLC40,000$1.46M0.18%+15,000+60.0%Added
Holocene Advisors, LP40,294$1.47M0.01%−472−1.2%Reduced
Great West Life Assurance Co41,863$1.53M0.00%−3,448−7.6%Reduced
SG Americas Securities, LLC42,506$1.55M0.02%+13,649+47.3%Added
M&T Bank Corp42,714$1.56M0.01%−295−0.7%Reduced
Texas Permanent School Fund45,063$1.65M0.01%+1,572+3.6%Added
Cerity Partners LLC45,395$1.66M0.01%+45,395New
Thrivent Financial for Lutherans46,482$1.70M0.00%−362−0.8%Reduced
Jump Financial, LLC46,574$1.70M0.05%−27,152−36.8%Reduced
Wellington Management Group LLP46,903$1.72M0.00%+1,251+2.7%Added
State Board of Administration of Florida Retirement System51,413$1.88M0.00%+68+0.1%Added
California State Teachers Retirement System56,376$2.06M0.00%−968−1.7%Reduced
Prudential Financial Inc58,628$2.14M0.00%−253−0.4%Reduced
Voloridge Investment Management, LLC60,331$2.21M0.01%+60,331New
Bank of America Corp60,989$2.23M0.00%−47,857−44.0%Reduced
New York State Teachers Retirement System61,611$2.25M0.01%00.0%Unchanged
UBS Asset Management Americas Inc61,878$2.26M0.00%+2,844+4.8%Added
Tudor Investment Corp Et Al64,161$2.35M0.03%−53,056−45.3%Reduced
Goldman Sachs Group Inc72,245$2.64M0.00%−34,356−32.2%Reduced
D. E. Shaw & Co., Inc.73,723$2.70M0.00%−26,452−26.4%Reduced
Castleark Management LLC73,820$2.70M0.12%+73,820New
State of New Jersey Common Pension Fund D75,241$2.75M0.01%+12,166+19.3%Added
Public Employees Retirement System of Ohio75,743$2.77M0.01%+3,437+4.8%Added
Mutual of America Capital Management LLC76,501$2.80M0.03%−2,943−3.7%Reduced
B. Metzler seel. Sohn & Co. AG76,501$2.80M0.04%+9,552+14.3%Added
California Public Employees Retirement System78,648$2.88M0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA81,841$2.99M0.01%+59,879+272.6%Added
Citigroup Inc83,076$3.04M0.00%+17,795+27.3%Added
Redwood Investment Management, LLC87,782$3.21M0.29%+1,084+1.3%Added
LaFleur & Godfrey LLC91,820$3.36M0.50%+91,820New
King Luther Capital Management Corp99,126$3.63M0.02%−30,061−23.3%Reduced
Fuller & Thaler Asset Management, Inc.99,618$3.64M0.02%+99,618New
Swiss National Bank105,000$3.84M0.00%−10,100−8.8%Reduced
Raymond James & Associates107,168$3.92M0.00%−8,821−7.6%Reduced
Public Sector Pension Investment Board108,245$3.96M0.03%+45,011+71.2%Added
State of Wisconsin Investment Board109,181$3.99M0.01%+20,781+23.5%Added
Credit Suisse AG111,038$4.06M0.00%+14,292+14.8%Added
Blair William & Co122,884$4.49M0.02%−7,723−5.9%Reduced
Jane Street Group, LLC127,118$4.65M0.01%+71,490+128.5%Added
Two Sigma Advisers, LP132,200$4.83M0.01%+95,500+260.2%Added
Fred Alger Management, LLC139,084$5.09M0.03%−18,796−11.9%Reduced
Rhumbline Advisers144,070$5.27M0.01%+7,172+5.2%Added
Legal & General Group Plc159,303$5.83M0.00%+3,104+2.0%Added
13D Management LLC160,986$5.89M3.46%−38,283−19.2%Reduced
Guggenheim Capital LLC163,934$6.00M0.05%−120−0.1%Reduced
SEI Investments Co170,824$6.25M0.01%+7,427+4.5%Added
Nomura Holdings Inc171,149$6.26M0.06%+171,149New
Comerica Bank206,676$7.56M0.03%+1,865+0.9%Added
Royce & Associates LP208,718$7.63M0.07%+7,900+3.9%Added
Loomis Sayles & Co L P260,303$9.52M0.01%+259,908+65,799.5%Added
Crestline Management, LP267,437$9.78M0.91%+8,892+3.4%Added
Principal Financial Group Inc268,622$9.82M0.01%−3,563−1.3%Reduced
Two Sigma Investments, LP269,517$9.86M0.02%−3,338−1.2%Reduced
Cambiar Investors LLC278,450$10.2M0.40%+6,570+2.4%Added
Healthcare of Ontario Pension Plan Trust Fund291,200$10.6M0.04%+30,700+11.8%Added
Morgan Stanley301,615$11.0M0.00%−40,896−11.9%Reduced
Mesirow Institutional Investment Management, Inc.326,467$11.9M1.12%+49,110+17.7%Added
Staley Capital Advisers Inc326,531$11.9M0.59%+38,461+13.4%Added
Northern Trust Corp342,108$12.5M0.00%+28,026+8.9%Added
Clearline Capital LP342,221$12.5M1.40%+52,742+18.2%Added
Norges Bank363,518$13.3M0.00%−103,052−22.1%Reduced
Nuveen Asset Management, LLC366,884$13.4M0.00%−1,052−0.3%Reduced
Marshall Wace, LLP397,024$14.5M0.03%+123,452+45.1%Added
FMR LLC410,991$15.0M0.00%−812−0.2%Reduced
Charles Schwab Investment Management Inc433,971$15.9M0.00%+23,586+5.7%Added
Ameriprise Financial Inc448,595$16.4M0.00%+23,689+5.6%Added
WCM Investment Management, LLC448,803$16.5M0.05%+12,982+3.0%Added
Sasco Capital Inc508,850$18.6M2.18%+499,665+5,440.0%Added
Invesco Ltd.526,228$19.2M0.00%+72,369+15.9%Added
Aristotle Capital Boston, LLC541,195$19.8M0.60%+13,129+2.5%Added
American Century Companies Inc559,978$20.5M0.01%+67,199+13.6%Added