
Comtech Telecommunications Corp.
Comtech Telecommunications Corp. (CMTL) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CMTL · as of Mar 31, 2025
Ownership Breakdown
67
Institutional Holders
▼ 10 vs Q4
$20.02M
Total Inst. Value
▼ $34.72M vs Q4
29.73M
Shares Outstanding
freeFloat 84.53%
12.53M
13F Shares Held
▼ 1.13M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CMTL largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
NEEDHAM INVESTMENT MANAGEMENT LLC radio & tv broadcasting & communications equipment | 1.69M | 5.75% | 5.75% | $2.70B | May 15, 2025 | ▼ 91.6K |
ROYCE & ASSOCIATES LP radio & tv broadcasting & communications equipment | 1.58M | 5.39% | 5.39% | $2.53B | May 6, 2025 | ▲ 256.5K |
VANGUARD GROUP INC radio & tv broadcasting & communications equipment | 1.34M | 4.58% | 4.58% | $2.15B | May 9, 2025 | ▼ 5.1K |
BALYASNY ASSET MANAGEMENT L.P. radio & tv broadcasting & communications equipment | 1.02M | 3.48% | 3.48% | $1.63B | May 15, 2025 | ▼ 320.0K |
DIMENSIONAL FUND ADVISORS LP radio & tv broadcasting & communications equipment | 799.6K | 2.73% | 2.73% | $1.28B | May 13, 2025 | ▼ 56.1K |
BLACKROCK, INC. radio & tv broadcasting & communications equipment | 775.6K | 2.64% | 2.64% | $1.24B | May 2, 2025 | ▼ 45.3K |
TCW GROUP INC radio & tv broadcasting & communications equipment | 726.8K | 2.48% | 2.48% | $1.13B | May 7, 2025 | — held |
QVT FINANCIAL LP radio & tv broadcasting & communications equipment | 705.8K | 2.41% | 2.41% | $1.13B | May 15, 2025 | ▲ 100.0K |
CLEARFIELD CAPITAL MANAGEMENT LP radio & tv broadcasting & communications equipment | 516.1K | 1.76% | 1.76% | $825.73M | May 15, 2025 | ▼ 446.5K |
PACIFIC RIDGE CAPITAL PARTNERS, LLC radio & tv broadcasting & communications equipment | 494.2K | 1.68% | 1.68% | $790.68M | May 9, 2025 | ▲ 34.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
17
Increased
+1.11M shares5
New Positions
first time holders20
Decreased
−1.67M shares0
Sold Out
fully exitedNet shares change (top 50)
555.0K
+1.11M / −1.67M
Net new holders
+2
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CMTL insider trading · insider activity
Source: SEC Form 4
3
Buy transactions
6
Sell transactions
0.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Robertson Jeffery Paul President, Allerium Segment | Jun 3, 2026 | Tax Withhold | 19,798 | $5.64 | $111.7K | 66.0K | Form 4 ↗ |
Walther Donald E. Chief Legal Officer | Apr 28, 2026 | Tax Withhold | 9,899 | $3.52 | $34.8K | 62.6K | Form 4 ↗ |
Walther Donald E. Chief Legal Officer | Apr 28, 2026 | Tax Withhold | 576 | $3.52 | $2.0K | 43.6K | Form 4 ↗ |
Crawford Bruce T director | Mar 24, 2026 | Award | 36,620 | — | — | 36.6K | Form 4 ↗ |
Hildebrandt Michael director | Mar 24, 2026 | Award | 36,620 | — | — | 73.8K | Form 4 ↗ |
RAYMOND MARY JANE director | Mar 24, 2026 | Award | 36,620 | — | — | 36.6K | Form 4 ↗ |
Sprung Lloyd A. director | Mar 24, 2026 | Award | 36,620 | — | — | 36.6K | Form 4 ↗ |
Waldman Lawrence director | Mar 24, 2026 | Award | 36,620 | — | — | 104.0K | Form 4 ↗ |
Quinlan Mark R. director | Mar 24, 2026 | Award | 36,620 | — | — | 91.3K | Form 4 ↗ |
Gizinski Daniel President, S&S Comm. Segment | Feb 4, 2026 | Tax Withhold | 460 | $5.29 | $2.4K | 31.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Comtech Telecommunications Corp. (CMTL) is primarily owned by institutional investors, who hold approximately 42.1% of total shares outstanding. Company insiders own approximately 15.47%, while retail and public investors account for the remaining 42.38%.
The largest institutional shareholder of Comtech Telecommunications Corp. is NEEDHAM INVESTMENT MANAGEMENT LLC, holding approximately 1.69 million shares — equal to 5.75% of outstanding shares — as of March 31, 2025.
A total of 67 institutional investors currently hold CMTL stock, with a combined institutional value of approximately $20,021,445 as of the most recent 13F filing period.
Frequently asked questions
CMTL ownershipComtech Telecommunications Corp. (CMTL) is primarily owned by institutional investors, who hold approximately 42.1% of shares. The largest shareholder is NEEDHAM INVESTMENT MANAGEMENT LLC with a 5.75% stake. Company insiders hold 15.47%. Data sourced from SEC Form 13F as of March 31, 2025.