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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, Q1 2026

Institutional positions in Mercury Systems Inc as of Mar 31, 2026. 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
357
+16 vs. Q4 2025
Shares held
65.2M
+6.52M (+11.1%) vs. Q4 2025
Total value
$4.75B
+$463.1M (+10.8%) vs. Q4 2025
New holders
58
134 more added
Sold out
42
120 more reduced

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: 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 holdersQ1 2026: 357 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 heldQ1 2026: $4.75B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Mercury Systems Inc; share changes are against Q4 2025.

Institutions holding MRCY in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Advisory Services Network, LLC1$730.00%+1New
Dunhill Financial, LLC1$850.00%00.0%Unchanged
Abound Wealth Management2$1460.00%−2−50.0%Reduced
True Wealth Design, LLC2$1460.00%00.0%Unchanged
Bear Mountain Capital, Inc.2$1680.00%00.0%Unchanged
Vermillion Wealth Management, Inc.3$2190.00%+3New
HFM Investment Advisors, LLC4$2920.00%−2−33.3%Reduced
Harbour Investments, Inc.5$3650.00%+4+400.0%Added
Signature Equity Partners, LLC6$4370.00%00.0%Unchanged
Assetmark, Inc6$4370.00%+6New
Bogart Wealth, LLC6$4370.00%+6New
Central Trust Co7$5110.00%00.0%Unchanged
Bell Investment Advisors, Inc7$5110.00%00.0%Unchanged
Rialto Wealth Management, LLC7$5110.00%+3+75.0%Added
Rossby Financial, LCC7$5230.00%+7New
Sunbelt Securities, Inc.8$5830.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC8$5830.00%00.0%Unchanged
Gilpin Wealth Management, LLC8$5840.00%+4+100.0%Added
Rakuten Securities, Inc.9$6560.00%+9New
Financial Consulate, Inc9$6570.00%00.0%Unchanged
South State Corp.10$7300.00%00.0%Unchanged
International Assets Investment Management, LLC10$7480.00%+10New
Wall Street Financial Group, Inc.11$8020.00%+11New
Ankerstar Wealth, LLC12$8750.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.12$8750.00%+1+9.1%Added
SJS Investment Consulting Inc.12$8750.00%+5+71.4%Added
MV Capital Management, Inc.14$1.02K0.00%00.0%Unchanged
Manchester Capital Management LLC16$1.17K0.00%00.0%Unchanged
Essential Partners LLC18$1.31K0.00%00.0%Unchanged
Sachetta, LLC20$1.46K0.00%00.0%Unchanged
NBT Bank N A24$1.75K0.00%+24New
Raffa Wealth Management, LLC26$1.90K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc30$2.19K0.00%−2−6.3%Reduced
Golden State Wealth Management, LLC30$2.19K0.00%00.0%Unchanged
UMA Financial Services, Inc.30$2.19K0.00%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC31$2.26K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc39$2.84K0.00%00.0%Unchanged
CVA Family Office, LLC40$2.92K0.00%+33+471.4%Added
Prestige Wealth Management Group LLC42$3.06K0.00%+3+7.7%Added
Whittier Trust Co of Nevada Inc45$3.41K0.00%00.0%Unchanged
MAI Capital Management49$3.57K0.00%+49New
Colonial Trust Co55$3.84K0.00%−20−26.7%Reduced
Private Wealth Management Group, LLC56$4.08K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC56$4.08K0.00%+4+7.7%Added
SBI Securities Co., Ltd.56$4.08K0.00%+10+21.7%Added
Larson Financial Group LLC58$4.23K0.00%−146−71.6%Reduced
Toth Financial Advisory Corp80$5.83K0.00%−20−20.0%Reduced
Keating Financial Advisory Services, Inc.88$6.42K0.00%+61+225.9%Added
Hilton Head Capital Partners, LLC94$6.85K0.00%00.0%Unchanged
Rothschild Investment LLC108$7.87K0.00%+20+22.7%Added
Twin Peaks Wealth Advisors, LLC108$7.87K0.00%+108New
Covestor Ltd106$8.00K0.01%−1−0.9%Reduced
Sound Income Strategies, LLC110$8.22K0.00%+1+0.9%Added
Millstone Evans Group, LLC119$8.68K0.01%+119New
Basecamp Wealth Advisors LLC122$8.89K0.00%00.0%Unchanged
Fortitude Family Office, LLC129$9.40K0.00%+13+11.2%Added
IFP Advisors, Inc132$9.62K0.00%−9−6.4%Reduced
Ancora Advisors, LLC135$9.84K0.00%00.0%Unchanged
Matrix Trust Co135$10.0K0.00%−22−14.0%Reduced
Cedar Mountain Advisors, LLC152$11.1K0.00%+152New
WPG Advisers, LLC155$11.3K0.01%−2−1.3%Reduced
Bare Financial Services, Inc158$11.5K0.00%+33+26.4%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA160$11.7K0.00%00.0%Unchanged
Quent Capital, LLC161$11.7K0.00%00.0%Unchanged
Parkside Financial Bank & Trust168$12.3K0.00%+1+0.6%Added
Parallel Advisors, LLC181$13.2K0.00%00.0%Unchanged
Root Financial Partners, LLC192$14.0K0.00%+15+8.5%Added
Huntington National Bank193$14.1K0.00%+43+28.7%Added
HM Payson & Co200$14.6K0.00%+200New
Massmutual Trust Co FSB212$15.5K0.00%+44+26.2%Added
Mark Sheptoff Financial Planning, LLC200$16.6K0.01%−900−81.8%Reduced
Farther Finance Advisors, LLC243$18.2K0.00%+109+81.3%Added
Los Angeles Capital Management LLC258$18.8K0.00%−10,699−97.6%Reduced
Whittier Trust Co262$19.8K0.00%+169+181.7%Added
Umb Bank N A273$19.9K0.00%+2+0.7%Added
Group One Trading, L.P.303$22.1K0.00%+303New
Optiver Holding B.V.331$24.1K0.00%+331New
Kemnay Advisory Services Inc.346$25.2K0.00%+203+142.0%Added
Leonteq Securities AG349$25.4K0.00%−130−27.1%Reduced
Salomon & Ludwin, LLC375$27.8K0.00%00.0%Unchanged
Coston, McIsaac & Partners396$28.0K0.01%00.0%Unchanged
Public Employees Retirement System of Ohio406$29.6K0.00%−66−14.0%Reduced
SRS Capital Advisors, Inc.420$30.6K0.00%−117−21.8%Reduced
Versant Capital Management, Inc432$31.5K0.00%00.0%Unchanged
Barrow Hanley Mewhinney & Strauss LLC460$33.5K0.00%+137+42.4%Added
Walleye Trading LLC635$46.3K0.00%+635New
Rockefeller Capital Management L.P.636$46.4K0.00%−17−2.6%Reduced
Jones Financial Companies LLLP653$46.6K0.00%−35−5.1%Reduced
Banque Transatlantique SA642$46.8K0.00%+642New
Quaker Wealth Management, LLC644$47.0K0.01%00.0%Unchanged
Eurizon Capital SGR S.p.A.703$49.4K0.00%−810−53.5%Reduced
GHP Investment Advisors, Inc.700$51.0K0.00%00.0%Unchanged
Allworth Financial LP702$51.2K0.00%+9+1.3%Added
EverSource Wealth Advisors, LLC727$53.0K0.00%−69−8.7%Reduced
Quarry LP740$54.0K0.01%+740New
Signaturefd, LLC817$59.6K0.00%+13+1.6%Added
Hantz Financial Services, Inc.879$64.0K0.00%+625+246.1%Added
Sittner & Nelson, LLC918$66.9K0.02%+918New
Advisor Group Holdings, Inc.965$70.3K0.00%+40+4.3%Added
Caitong International Asset Management Co., Ltd980$71.5K0.01%+980New