Telesat Corp
TSAT- Exchange
- Nasdaq
- Industry
- Communications Services, NEC
- SEC CIK
- 0001845840
No open-market purchases or sales by Telesat Corp insiders were filed in the last 90 days; 103 institutions reported holding it in 13F filings for Q2 2026, worth $2.17B in total; no superinvestor holds it.
Holders of 5% or more of TSAT
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Telesat Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Gamco Investors, Inc. Et Al | 13D/A | 12.30%1.80M shares | −0.70 ppfrom 13.00% | Dec 18, 20243 filings | Jun 3, 2025 | SEC |
| Heard Capital LLC | 13G/A | 8.37%1.23M shares | −2.03 ppfrom 10.40% | May 15, 20253 filings | Feb 17, 2026 | SEC |
| Greywolf Capital Management LP | 13G/A | 6.20%860.6K shares | – | Feb 12, 20251 filing | Feb 12, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on Telesat Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Feb 17, 20262:50 PM ET | Heard Capital LLCand 1 other | 13G/A | 8.37%1.23M shares | −2.03 ppfrom 10.40% | Dec 31, 2025 | SEC |
| Aug 14, 20254:05 PM ET | Heard Capital LLCand 3 others | 13G/A | 10.40%1.52M shares | −1.10 ppfrom 11.50% | Jun 30, 2025 | SEC |
| Jun 3, 20256:22 AM ET | Gamco Investors, Inc. Et Aland 8 others | 13D/A | 12.30%1.80M shares | −0.70 ppfrom 13.00% | May 30, 2025 | SEC |
| May 15, 20254:45 PM ET | Heard Capital LLCand 3 others | 13G/A | 11.50%1.65M shares | – | Mar 31, 2025 | SEC |
| May 15, 202512:04 PM ET | Lau Danieland 3 others | 13G/A | 4.30%622.4K shares | –Below 5% | Mar 31, 2025 | SEC |
| Mar 12, 20254:10 PM ET | Gamco Investors, Inc. Et Aland 8 others | 13D/A | 13.00%1.81M shares | −0.50 ppfrom 13.50% | Mar 11, 2025 | SEC |
| Feb 12, 202511:22 AM ET | Greywolf Capital Management LPand 4 others | 13G/A | 6.20%860.6K shares | – | Dec 31, 2024 | SEC |
| Dec 18, 20244:06 PM ET | Gamco Investors, Inc. Et Aland 8 others | 13D/A | 13.50%1.88M shares | – | Dec 17, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Telesat Corp shares.
No Form 144 notices for Telesat Corp are on file.