TelesatTSAT
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 65 institutions reported holding Telesat Corp. (TSAT) in their 13F filings, up 6 from Q2 2025. 14 opened new positions and 8 sold out. The largest holders were MHR Fund Management LLC ($477.9M), Public Sector Pension Investment Board ($475.5M) and GAMCO Investors ($47.4M). 5 famous investors held it, including Mario Gabelli (0.5% of GAMCO Investors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Telesat Corp.
- CUSIP
- 879512309
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 14 | $3.8M |
| Exits | 8 | $541K |
All 13F filers, Q2 2025 → Q3 2025: 717,000 shares bought and 575,157 shares sold, net +141,843 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 65 holders
| MHR Fund Management LLC | 46.81% | No change | 18,035,092 | $477.9M |
| Public Sector Pension Investment Board | 1.75% | No change | 18,211,203 | $475.5M |
| GAMCO Investors | 0.46% | Reduce -3.9% | 1,786,908 | $47.4M |
| Heard Capital LLC | 1.89% | Reduce -3.0% | 1,472,335 | $39.0M |
| Rubric Capital Management LP | 0.30% | No change | 843,781 | $22.4M |
| Gabelli Funds LLC | 0.13% | Reduce -1.4% | 715,279 | $19.0M |
| LM Asset Management Inc. | 9.39% | Reduce -3.0% | 452,450 | $11.8M |
| PenderFund Capital Management Ltd. | 4.07% | Add +307.3% | 409,753 | $10.5M |
| Nexpoint Asset Management, L.P. | 0.94% | Reduce -25.8% | 396,623 | $10.5M |
| Vestcor Inc | 0.14% | Add +40.0% | 175,000 | $4.6M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +33.5% | 117,553 | $3.1M |
| PCJ Investment Counsel Ltd. | 0.81% | Reduce -1.5% | 112,180 | $2.9M |
| Polar Asset Management Partners Inc. | 0.08% | Add +83.0% | 105,225 | $2.8M |
| Caption Management, LLC | 0.14% | Reduce -23.6% | 86,835 | $2.3M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 0.27% | Reduce -19.1% | 64,011 | $1.7M |
| Citadel Advisors | 0.00% | Add +450.6% | 63,737 | $1.7M |
| Renaissance Technologies | 0.00% | Reduce -10.0% | 61,646 | $1.6M |
| K.J. Harrison & Partners Inc | 0.23% | Add +128.3% | 58,000 | $1.6M |
| Group One Trading LLC | 0.04% | Reduce -16.7% | 53,214 | $1.4M |
| Morgan Stanley | 0.00% | Add +11.3% | 41,676 | $1.1M |
| National Philanthropic Trust | 0.01% | No change | 40,000 | $1.1M |
| Senvest Management, LLC | 0.03% | New | 37,257 | $987K |
| Millennium Management | 0.00% | Reduce -16.2% | 37,200 | $986K |
| Jane Street Group, LLC | 0.00% | Reduce -57.6% | 36,445 | $966K |
| Penserra Capital Management LLC | 0.01% | Add +4.5% | 29,995 | $794K |
| Walleye Capital LLC | 0.01% | Reduce -61.1% | 28,893 | $766K |
| Aristeia Capital, L.L.C. | 0.04% | New | 26,740 | $709K |
| Fiera Capital Corp | 0.00% | Reduce -23.6% | 23,796 | $631K |
| Bank of America Corp. | 0.00% | Reduce -59.9% | 22,645 | $600K |
| Federation des caisses Desjardins du Quebec | 0.00% | Reduce -32.5% | 20,668 | $527K |
| Acadian Asset Management LLC | 0.00% | Add +5329.8% | 18,570 | $491K |
| Diametric Capital, LP | 0.18% | New | 17,919 | $475K |
| Simplex Trading, LLC | 0.01% | Add +70.2% | 16,776 | $444K |
| TD Waterhouse Canada Inc. | 0.00% | Add +59.8% | 15,981 | $426K |
| JPMorgan Chase & Co. | 0.00% | Add +189.5% | 15,932 | $422K |
| Militia Capital Partners, LP | 0.19% | Reduce -53.8% | 15,475 | $410K |
| Susquehanna International Group, LLP | 0.00% | Reduce -30.2% | 14,921 | $395K |
| Platform Technology Partners | 0.09% | Reduce -5.3% | 14,624 | $388K |
| Peapack Gladstone Financial Corp. | 0.00% | No change | 13,885 | $368K |
| D. E. Shaw & Co. | 0.00% | New | 13,694 | $363K |
| Trexquant Investment LP | 0.00% | New | 13,601 | $360K |
| Pathstone Holdings, LLC | 0.00% | Reduce -50.0% | 11,992 | $318K |
| PDT Partners, LLC | 0.02% | Reduce -0.9% | 10,613 | $281K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 9,716 | $257K |
| Jump Financial, LLC | 0.00% | Reduce -48.6% | 9,438 | $250K |
| Geode Capital Management, LLC | 0.00% | New | 8,121 | $215K |
| Quarry LP | 0.06% | New | 8,000 | $212K |
| Stifel Financial Corp. | 0.00% | New | 7,982 | $212K |
| Asset Management One Co., Ltd. | 0.00% | Reduce -7.2% | 7,171 | $190K |
| Central Pacific Bank - Trust Division | 0.01% | No change | 4,486 | $119K |
| BNP Paribas Financial Markets | 0.00% | Add +1335.3% | 3,818 | $101K |
| UBS Group AG | 0.00% | Reduce -84.3% | 2,243 | $59K |
| Royal Bank of Canada | 0.00% | Add +111.1% | 2,210 | $59K |
| National Bank of Canada | 0.00% | New | 709 | $18K |
| Osaic Holdings, Inc. | 0.00% | Add +9.5% | 575 | $15K |
| Wilmington Savings Fund Society, FSB | 0.00% | No change | 500 | $13K |
| IFP Advisors, Inc | 0.00% | No change | 500 | $13K |
| Ancora Advisors LLC | 0.00% | No change | 400 | $11K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 200 | $5K |
| SBI Securities Co., Ltd. | 0.00% | No change | 54 | $1K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 45 | $1K |
| Covestor Ltd | 0.00% | New | 37 | $1K |
| Advisory Services Network, LLC | 0.00% | New | 28 | $742 |
| Guerra Advisors Inc | 0.00% | New | 20 | $530 |
| Farther Finance Advisors, LLC | 0.00% | No change | 9 | $239 |
"% of holder's portfolio" is TSAT's weight in each manager's 13F, not the share of Telesat Corp. the manager owns.