MERCURY SYS INC

$MRCY
13F holders
355
Net 13F flow · Q
Insider buys · 90d
0
Insider net · 90d
Congress · 90d
0
Convergence

Institutional holders

Top 10 of 355 · Source: 13F-HR
01
Altitude Crest Partners Inc.
02
Bahl & Gaynor Inc.
03
Axa S.a.
04
State Street
05
Atlantic Edge Private Wealth Management, LLC
06
Berkley W R Corp.
07
Strategic Planning Group, LLC
08
Roberts Capital Advisors, LLC
09
Softbank Group Corp.
10
Independent Investors Inc.

Each fund name links to that filer's expert page. Share counts and per-fund weights are pending the 13F ingest fix (portfolios_expertholding.units is currently mis-populated — see the same caveat on the fund detail page's holdings table). Quarter-over-quarter delta ships with the metrics pipeline.

See all 355 13F holders · Pro →

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.

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.

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.

Convergence · Pattern Engine ships in v1.1

30-day window
In development

Convergence detection for $MRCY lands with the Pattern Engine.

Once the Pattern Engine ships, this section will surface every active convergence event involving $MRCY — the institutional managers and Congress members on the same name, the 30-day window, and the combined position size.

Source data: SEC EDGAR · 13F-HR · Form 4 · CapitolTrades · Last refreshed 12:22 UTC.