Latest Period
Q1 2026
Security Snapshot
Telesat Corp - Class B Variable Voting Shares, No Par Value Per Share (TSAT) Institutional Ownership
CUSIP: 879512309
13F Institutional Holders and Ownership History from Q4 2021 to Q2 2026
Institutions Reporting
75
Shares (Excl. Options)
43,606,600
Price
$36.20
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- Security type / class
- Equity / Class B Variable Voting Shares, No Par Value Per Share
- Symbol
- TSAT on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 43,606,600
- Total 13F value
- $1,578,121,038
- Portfolio coverage rank
- 0%
- Share change
- +23,169
- Value change
- +$2,706,627
- Number of holders
- 75
- Shares outstanding
- 50,975,290
- SEC-reported price per share
- $50.62
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- TSAT - Telesat Corp - Class B Variable Voting Shares, No Par Value Per Share is tracked under CUSIP 879512309.
- 75 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 75 to 5 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $1,578,121,038 to $1,190,693.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 75 institutions filings for Q1 2026.
Security key
879512309
Latest holder period
Q1 2026
13F holders
75
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
TSAT full holder history
Telesat Corp SEC filings
Telesat Corp company facts
Telesat Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 879512309:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
TSAT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| MHR FUND MANAGEMENT LLC | 36% | $916,029,252 | 18,096,228 | MARK H. RACHESKY, M.D. | 08 Jul 2026 | |||
| GAMCO INVESTORS, INC. ET AL | 12% | -5.4% | $28,313,253 | -$160,933 | 1,802,244 | -0.57% | GAMCO Asset Management Inc. | 30 May 2025 |
| Greywolf Capital Management LP | 6.2% | $13,519,256 | 860,551 | Greywolf Opportunities Master Fund II LP | 31 Dec 2024 | |||
| Lau Daniel | 4.3% | $9,777,118 | 622,350 | Daniel Lau | 31 Mar 2025 | |||
| Heard Capital LLC | 4.2% | -53% | $27,445,122 | -$27,723,946 | 610,570 | -50% | Heard Capital LLC | 31 Mar 2026 |
As of 31 Mar 2026, 75 institutional investors reported holding 43,606,600 shares of Telesat Corp - Class B Variable Voting Shares, No Par Value Per Share (TSAT). This represents 86% of the company’s total 50,975,290 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
85%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Public Sector Pension Investment Board | 36% | 18,211,203 | 0% | 2.1% | $659,245,549 |
| MHR FUND MANAGEMENT LLC | 35% | 18,035,092 | 0% | 48% | $652,870,330 |
| GAMCO INVESTORS, INC. ET AL | 3.5% | 1,769,149 | -3.4% | 0.63% | $64,043,194 |
| Rubric Capital Management LP | 1.7% | 843,781 | 0% | 0.37% | $30,544,872 |
| GABELLI FUNDS LLC | 1.4% | 714,129 | +0.18% | 0.17% | $25,851,470 |
| Heard Capital LLC | 1.2% | 610,570 | -50% | 1.1% | $22,102,634 |
| NEXPOINT ASSET MANAGEMENT, L.P. | 0.78% | 396,623 | 0% | 1% | $14,357,753 |
| LM Asset Management Inc. | 0.75% | 382,650 | +16% | 8.3% | $13,804,272 |
| PenderFund Capital Management Ltd. | 0.73% | 371,153 | -9.4% | 2.1% | $13,145,308 |
| Vestcor Inc | 0.49% | 250,000 | +25% | 0.25% | $9,050,000 |
| MORGAN STANLEY | 0.32% | 163,304 | +154% | 0% | $5,911,606 |
| MILLENNIUM MANAGEMENT LLC | 0.3% | 151,743 | +18% | 0% | $5,493,097 |
| AYAL Capital Advisors Ltd | 0.29% | 148,000 | 2.7% | $5,357,600 | |
| Senvest Management, LLC | 0.27% | 137,668 | +2.2% | 0.17% | $4,983,582 |
| OSAIC HOLDINGS, INC. | 0.27% | 137,035 | +23732% | 0.01% | $4,960,666 |
| CITADEL ADVISORS LLC | 0.27% | 136,582 | +100% | 0% | $4,944,268 |
| Connor, Clark & Lunn Investment Management Ltd. | 0.24% | 123,267 | +9.6% | 0.01% | $4,461,365 |
| Pembroke Management, LTD | 0.18% | 92,829 | 0.49% | $3,360,410 | |
| INTACT INVESTMENT MANAGEMENT INC. | 0.14% | 73,700 | 0.08% | $2,661,992 | |
| Penserra Capital Management LLC | 0.14% | 73,650 | +73% | 0.03% | $2,666,000 |
| K.J. Harrison & Partners Inc | 0.14% | 70,000 | 0% | 0.41% | $2,523,997 |
| Walleye Capital LLC | 0.11% | 57,017 | +210% | 0.01% | $2,064,015 |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.1% | 53,311 | -7.6% | 0.29% | $1,929,858 |
| Jump Financial, LLC | 0.09% | 45,196 | 0.02% | $1,636,095 | |
| JANE STREET GROUP, LLC | 0.08% | 42,435 | +63% | 0% | $1,536,147 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
19
Latest
Q1 2026
Rows shown
1-19 of 19
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 23,599 | $1,190,693 | -$2,844,441 | $50.62 | 5 |
| 2026 Q1 | 43,606,600 | $1,578,121,038 | +$2,706,627 | $36.20 | 75 |
| 2025 Q4 | 43,587,631 | $1,272,261,709 | -$6,125,350 | $29.10 | 65 |
| 2025 Q3 | 43,786,385 | $1,152,726,973 | +$3,499,560 | $26.50 | 64 |
| 2025 Q2 | 43,644,517 | $1,063,747,554 | +$840,077 | $24.44 | 57 |
| 2025 Q1 | 43,679,011 | $818,864,033 | +$182,986 | $18.83 | 55 |
| 2024 Q4 | 43,676,946 | $717,814,073 | -$9,578,089 | $16.44 | 45 |
| 2024 Q3 | 43,635,669 | $577,618,099 | -$3,025,081 | $13.17 | 39 |
| 2024 Q2 | 43,874,346 | $399,865,262 | -$2,563,729 | $9.10 | 37 |
| 2024 Q1 | 44,116,791 | $375,696,172 | -$8,268,675 | $8.52 | 42 |
| 2023 Q4 | 44,964,033 | $469,875,921 | -$162,798 | $10.43 | 47 |
| 2023 Q3 | 44,604,700 | $640,076,164 | +$751,082 | $14.30 | 46 |
| 2023 Q2 | 44,605,737 | $420,686,634 | +$1,095,514 | $9.42 | 40 |
| 2023 Q1 | 44,503,784 | $384,213,026 | +$157,609,895 | $8.60 | 40 |
| 2022 Q4 | 26,364,492 | $197,658,112 | -$1,752,623 | $7.50 | 45 |
| 2022 Q3 | 26,383,785 | $206,064,348 | -$2,878,333 | $7.81 | 47 |
| 2022 Q2 | 26,664,021 | $297,824,244 | -$11,294,580 | $11.17 | 54 |
| 2022 Q1 | 27,172,488 | $448,417,602 | -$1,038,121 | $16.50 | 76 |
| 2021 Q4 | 26,965,409 | $773,163,158 | +$756,908,158 | $28.67 | 81 |