Comtech Telecommunications Corp. (CMTL)
Nasdaq: CMTL · Radio & Tv Broadcasting & Communications Equipment · Chandler, AZ · filing with the SEC since 1995
Who owns Comtech Telecommunications Corp.
As filed with the SECHolders of 5% or more
4
Magnetar Financial LLC holds 42.8% of Common Stock, par value $0.10 per share, as its SCHEDULE 13D/A filed Jun 17, 2026 says.
Directors and officers
12
report now, of 34 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Magnetar Financial LLC
SCHEDULE 13D/A · filed Jun 17, 2026 · Common Stock, par value $0.10 per share · 41.6% in Jul 23, 2025
White Hat Strategic Partners LP
SCHEDULE 13D/A · filed Jun 16, 2026 · Common stock, par value $0.10 per share · 9.99% in Jul 23, 2025
QVT Financial LP
SCHEDULE 13G · filed May 15, 2026 · Common stock, $0.10 par value per share
Vanguard Capital Management
SCHEDULE 13G · filed Jul 31, 2026 · Common Stock
Needham Investment Management L.L.C.
SCHEDULE 13G/A · filed Feb 13, 2026 · Common Stock, par value $0.10 per share · reported falling below 5%, from 6.11% in Dec 20, 2024
Royce & Associates LP
SCHEDULE 13G/A · filed Jul 28, 2026 · Common Stock · reported falling below 5%, from 5.39% in Apr 29, 2025
What CMTL reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
CGC Technology
A company bought · acquisition · owns, named in the 10-K filed Nov 10, 2025
14 subsidiaries in 4 countries, from the list filed with the 10-K filed Oct 14, 2026.
Insider tradesForm 4
1sales
0purchases
0sales on a scheduled plan
1people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 10, 2025 to Nov 10, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 10, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 34 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Gizinski Daniel | President, S&S Comm. Segment | 1 | $0 | 0 | 0 | $0 |