Comtech Telecommunications Corp
Ownership
Ownership Structure
Who owns Comtech Telecommunications Corp (CMTL)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 92.4% of the shares are freely tradable; institutional investors hold 54.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Royce & Associates, LP | 5.73 | 1,716,098 | +5.2 | 03/31/2026 |
| Qvt Financial LP | 5.59 | 1,676,031 | -1.1 | 06/30/2026 |
| Beacon Pointe Advisors, LLC | 4.16 | 1,246,044 | -5.4 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.99 | 1,194,328 | +0.0 | 03/31/2026 |
| Needham Investment Management, LLC | 3.92 | 1,174,300 | +0.0 | 03/31/2026 |
| Marshall Wace Asset Management Ltd | 2.89 | 867,137 | +17.9 | 03/31/2026 |
| TCW Group Inc | 2.43 | 726,806 | +0.0 | 03/31/2026 |
| MML Investors Services Inc | 2.30 | 689,702 | +76.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.13 | 936,420 | +0.0 | 07/31/2026 |
| Needham Aggressive Growth Retail | 2.55 | 764,625 | -25.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Bondi Michael | Chief Financial Officer | 150,595 | 225,893 $ | Aug 11, 2026 | direct |
| Walther Donald E. | Chief Legal Officer | 66,515 | 99,773 $ | Aug 11, 2026 | direct |
| Gizinski Daniel | President, S&S Comm. Segment | 33,681 | 50,522 $ | Aug 11, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 11, 2026 | Gizinski Daniel | President, S&S Comm. Segment | Other | 885 | 1.73 | 1,531 |
| Aug 11, 2026 | Gizinski Daniel | President, S&S Comm. Segment | Other | 1,961 | – | – |
| Aug 11, 2026 | Walther Donald E. | Chief Legal Officer | Other | 2,010 | 1.73 | 3,477 |
| Aug 11, 2026 | Walther Donald E. | Chief Legal Officer | Other | 5,883 | – | – |
| Aug 11, 2026 | Bondi Michael | Chief Financial Officer | Other | 5,269 | 1.73 | 9,115 |
| Aug 11, 2026 | Bondi Michael | Chief Financial Officer | Other | 10,321 | – | – |
| Aug 10, 2026 | Gizinski Daniel | President, S&S Comm. Segment | Other | 127 | 1.72 | 218 |
| Aug 10, 2026 | Gizinski Daniel | President, S&S Comm. Segment | Other | 280 | – | – |
| Aug 10, 2026 | Bondi Michael | Chief Financial Officer | Other | 611 | 1.72 | 1,051 |
| Aug 10, 2026 | Bondi Michael | Chief Financial Officer | Other | 1,196 | – | – |
| Jul 31, 2026 | Gizinski Daniel | President, S&S Comm. Segment | Other | 1,161 | 1.68 | 1,950 |
| Jul 31, 2026 | Gizinski Daniel | President, S&S Comm. Segment | Other | 2,573 | – | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.