MRCY

MERCURY SYSTEMS INC
USCUSIP 589378108
Institutional Owners
121
+16 QoQ
13F Value Held
$1.2B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)59 adding · 36 trimming
Insider net (180d)+$0
Price history not yet available for MRCY.

Top institutional holders

121 13F filers
#FundPosition valueSharesLast moveAs of
1STATE STREET CORP
$281.8M
3.87MAddedQ1 2026
2VANGUARD PORTFOLIO MANAGEMENT LLC
$212.2M
2.91MNewQ1 2026
3VANGUARD CAPITAL MANAGEMENT LLC
$175.3M
2.40MNewQ1 2026
4Conestoga Capital Advisors, LLC
$139.9M
1.92MReducedQ1 2026
5SEGALL BRYANT & HAMILL, LLC
$68.2M
934.8KNewQ1 2026
6EMERALD ADVISERS, LLC
$43.4M
595.3KAddedQ1 2026
7SNYDER CAPITAL MANAGEMENT L P
$42.3M
580.7KReducedQ1 2026
8OBERWEIS ASSET MANAGEMENT INC/
$28.5M
391.0KReducedQ1 2026
9EMERALD MUTUAL FUND ADVISERS TRUST
$27.4M
375.5KAddedQ1 2026
10VANGUARD FIDUCIARY TRUST CO
$25.5M
349.2KNewQ1 2026
11WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
$23.9M
327.3KReducedQ1 2026
12MetLife Investment Management, LLC
$21.6M
295.7KAddedQ1 2026
13PUBLIC SECTOR PENSION INVESTMENT BOARD
$13.8M
189.0KAddedQ1 2026
14Man Group plc
$10.6M
144.7KReducedQ1 2026
15PEREGRINE CAPITAL MANAGEMENT LLC
$9.9M
136.2KReducedQ1 2026
16CITADEL ADVISORS LLC
$8.1M
111.0KAddedQ1 2026
17Edgestream Partners, L.P.
$6.4M
88.2KAddedQ1 2026
18BLAIR WILLIAM & CO/IL
$5.7M
78.8KReducedQ1 2026
19Calamos Advisors LLC
$3.2M
43.7KAddedQ1 2026
20RICE HALL JAMES & ASSOCIATES, LLC
$3.1M
42.2KReducedQ1 2026
21One Capital Management, LLC
$3.0M
40.5KNewQ1 2026
22INTECH INVESTMENT MANAGEMENT LLC
$2.9M
39.9KReducedQ1 2026
23Hennion & Walsh Asset Management, Inc.
$2.9M
39.4KAddedQ1 2026
24Summit Trail Advisors, LLC
$2.5M
34.6KReducedQ1 2026
25B. Metzler seel. Sohn & Co. AG
$2.4M
32.8KReducedQ1 2026

Fund activity — latest quarter

Opened (NEW)
23
funds
Added
36
funds
Reduced
36
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

113 funds+112 since Q2 2022
057113Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $1.0B

Funds that own MRCY also own

CompanyCo-held byCombined value
Microsoft Corp.MSFT111 funds$165.0B
Apple, Inc.AAPL109 funds$213.1B
Alphabet, Inc. Cl AGOOGL109 funds$98.9B
Mastercard, Inc.MA109 funds$28.0B
Nvidia Corp. (US)NVDA108 funds$245.8B
Meta Platforms Inc.META108 funds$73.4B
Lilly Eli & CoLLY108 funds$45.7B
Amazon.com IncAMZN107 funds$119.2B
Visa Inc.V107 funds$35.0B
Broadcom LtdAVGO106 funds$86.0B
Alphabet, Inc. Cl CGOOG106 funds$75.5B
Jpmorgan Chase & Co - USJPM106 funds$53.0B

Ranked by how many of MRCY's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MRCY. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.