MERCURY SYS INC

$MRCY
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Smart money positioned

9 of the Top-200 alpha managers hold $MRCY as of the latest 13F snapshot.

13F holders
355
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

9 holders · Q1 2026

$MRCY is held by 9 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.44%, with an average of 0.05% of portfolio. Largest holder: Freemont Management S.A. at 0.44%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

01
Freemont Management S.A.
0.44% NEW
α +20.1pts
02
Quarry LP
0.01% held
α +10.6pts
03
Wellington Management Group LLP
0.01% held
α +10.5pts
04
WINTON GROUP Ltd
0.01% held
α +27.0pts
05
Connor, Clark & Lunn Investment Management Ltd.
0.00% held
α +12.3pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 355 · Source: 13F-HR
01
Altitude Crest Partners Inc.
18.65% of portfolio
8,214,848 sh
02
Bahl & Gaynor Inc.
0.03% of portfolio
6,636,120 sh
03
Axa S.a.
0.01% of portfolio
3,865,719 sh
04
State Street
0.01% of portfolio
3,423,600 sh
05
Atlantic Edge Private Wealth Management, LLC
0.01% of portfolio
2,375,274 sh
06
Berkley W R Corp.
2.86% of portfolio
1,918,591 sh
07
Strategic Planning Group, LLC
0.07% of portfolio
1,677,363 sh
08
Roberts Capital Advisors, LLC
0.08% of portfolio
1,579,832 sh
09
Softbank Group Corp.
0.05% of portfolio
1,253,766 sh
10
Independent Investors Inc.
0.06% of portfolio
1,160,775 sh
See all 355 13F holders · Pro →

Insider activity · last 90 days

22 transactions · 7 filers
12 Nov 2025
Munro Douglas —
▼ SOLD
1,329
$73.42
S
07 Nov 2025
Plunkett Debora A —
▼ SOLD
1,700
$73.99
S
16 Sep 2025
Munro Douglas —
▼ SOLD
67
$73.40
S
20 Aug 2025
Ratner Steven —
▼ SOLD
7,000
$63.76
S
19 Aug 2025
Munro Douglas —
▼ SOLD
376
$64.46
S
18 Aug 2025
Munro Douglas —
▼ SOLD
363
$66.52
S
19 Aug 2025
Ratner Steven —
▼ SOLD
1,735
$64.46
S
18 Aug 2025
Ratner Steven —
▼ SOLD
1,681
$66.52
S
19 Aug 2025
Kupinsky Stuart —
▼ SOLD
1,220
$64.46
S
18 Aug 2025
Kupinsky Stuart —
▼ SOLD
1,182
$66.52
S
19 Aug 2025
Farnsworth David E. —
▼ SOLD
7,572
$64.46
S
18 Aug 2025
Farnsworth David E. —
▼ SOLD
7,339
$66.52
S

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $MRCY in the recent window.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 07:37 UTC.