Security Snapshot

Telesat Corp - Class A Common Shares and 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 Q3 2026

13F reference period

Q2 2026

Institutions Reporting

103

Shares (Excl. Options)

42.82MFull value: 42,816,895 · shares · 30 Jun 2026

Price

$50.62

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
-814,952
Value change
-$23,513,504
Number of holders
103
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
50,975,290
SEC-reported price per share
$45.18
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • TSAT - Telesat Corp - Class A Common Shares and Class B Variable Voting Shares, no par value per share is tracked under CUSIP 879512309.
  • 103 institutions reported positions in Q2 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 76 to 103 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from
    $1.58BFull value: $1,578,138,755 · USD · 31 Mar 2026
    to
    $2.17BFull value: $2,169,291,520 · USD · 30 Jun 2026
    .

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

Latest holder context comes from 103 institutions filings for Q2 2026.

Open SEC evidence

Security key

879512309

13F reference period

Q2 2026

13F holders

103

13D/G owners

5

CIK / CUSIP context first

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 30 Jun 2026, 103 institutional investors reported holding
42.82MFull value: 42,816,895 · shares · 30 Jun 2026
shares of Telesat Corp - Class A Common Shares and Class B Variable Voting Shares, no par value per share (TSAT). This represents 84% of the company’s total
50.98MFull value: 50,975,290 · shares · Stored outstanding share count
outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
82%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Public Sector Pension Investment Board 36% 18,211,203 0% 2.4% $921,851,096
MHR FUND MANAGEMENT LLC 35% 18,035,092 0% 48% $912,936,357
GAMCO INVESTORS, INC. ET AL 3.4% 1,723,385 -2.6% 0.78% $87,237,749
GABELLI FUNDS LLC 1.4% 716,281 +0.3% 0.23% $36,258,144
MILLENNIUM MANAGEMENT LLC 1.1% 544,272 +259% 0.02% $27,551,049
NEXPOINT ASSET MANAGEMENT, L.P. 0.78% 396,623 0% 1.3% $20,077,056
LM Asset Management Inc. 0.52% 266,350 -30% 9.3% $13,482,480
MORGAN STANLEY 0.5% 256,183 +57% 0% $12,967,984
PenderFund Capital Management Ltd. 0.44% 225,153 -39% 1.4% $11,026,219
Vestcor Inc 0.34% 175,000 -30% 0.22% $8,859,000
OSAIC HOLDINGS, INC. 0.31% 156,844 +14% 0.01% $7,939,439
AYAL Capital Advisors Ltd 0.3% 151,500 +2.4% 3.9% $7,668,930
Rokos Capital Management LLP 0.27% 137,737 0.09% $6,964,671
Senvest Management, LLC 0.27% 137,668 0% 0.2% $6,968,754
MACKENZIE FINANCIAL CORP 0.23% 118,830 0.01% $8,547,442
GUARDIAN CAPITAL LP 0.21% 107,029 0.13% $5,426,323
Connor, Clark & Lunn Investment Management Ltd. 0.18% 93,932 -24% 0.01% $4,754,838
Pembroke Management, LTD 0.18% 91,739 -1.2% 0.6% $4,643,828
Penserra Capital Management LLC 0.17% 84,309 +14% 0.03% $4,267,000
Van Berkom & Associates Inc. 0.15% 77,382 +181% 0.13% $3,917,000
CenterBook Partners LP 0.14% 71,500 0.18% $3,619,330
Quadrature Capital Ltd 0.14% 69,766 +459% 0.03% $3,536,297
K.J. Harrison & Partners Inc 0.13% 66,000 -5.7% 0.47% $3,340,873
CITADEL ADVISORS LLC 0.12% 63,357 -54% 0% $3,207,131
GABELLI & Co INVESTMENT ADVISERS, INC. 0.11% 55,911 +4.9% 0.41% $2,830,215

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
20
Headline period
Q2 2026
Rows shown
1-20 of 20
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 431,396 $19,913,008 -$1,006,900 $46.14 18
2026 Q2 42,816,895 $2,169,291,520 -$23,513,504 $50.62 103
2026 Q1 43,606,950 $1,578,138,755 +$2,593,394 $36.20 76
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
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