TSAT · Telesat Corp

$44.05 +0.84 (+1.94%) At close · Sep 3

Market Cap

$2.19B

51.38M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 103

Total Value: $2,177,181,088

Total Shares: 43,010,295

Showing 1–100 of 109 holdings by value · page 1 of 2

Institutional Ownership Trend

19 quarters

Superinvestors Holding TSAT

All superinvestors →

Mario Gabelli $87,237,748

Holder Concentration

Across 103 13F filers · Δ vs Mar 31, 2026

Top Holder

42.3%

+0.7 pts

Top 5

91.2%

+0.7 pts

Top 10

94.3%

−0.8 pts

HHI

3,575

Highly concentrated+111

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +27

Institutional value: +37.5%

Shares held: -1.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega MILLENNIUM MANAGEMENT LLC	+392,529	544,272
Mega MORGAN STANLEY	+92,879	256,183
Large Quadrature Capital Ltd	+57,295	69,766
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+56,872	119,665
Mid Van Berkom & Associates Inc.	+49,890	77,382

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid Heard Capital LLC	−606,200	4,370
Small PenderFund Capital Management Ltd.	−146,000	225,153
Small LM Asset Management Inc.	−116,300	266,350
Mid Vestcor Inc	−75,000	175,000
Mega CITADEL ADVISORS LLC	−61,225	114,557

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large Rokos Capital Management LLP	137,737	$6,972,246
Large MACKENZIE FINANCIAL CORP	118,830	$6,015,174
Mid GUARDIAN CAPITAL LP	107,029	$5,417,807
Mid CenterBook Partners LP	71,500	$3,619,330
Mega FIL Ltd	42,100	$2,131,102

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large Rubric Capital Management LP	843,781	$30,544,872
Large Walleye Capital LLC	57,017	$2,064,015
Mid Jump Financial, LLC	45,196	$1,636,095
Large PEAK6 LLC	31,800	$1,151,160
Large Verition Fund Management LLC	30,000	$1,086,000

Filter: New 39 Increased 23 Reduced 24 Sold out 12 Unchanged 17

Showing 100 of 109

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Public Sector Pension Investment Board

$921,851,095

42.34%

18,211,203

MHR FUND MANAGEMENT LLC

$912,936,357

41.93%

18,035,092

GAMCO INVESTORS, INC. ET AL

$87,237,748

4.01%

1,723,385

GABELLI FUNDS LLC

$36,258,144

1.67%

716,281

MILLENNIUM MANAGEMENT LLC

$27,551,048

1.27%

544,272

NEXPOINT ASSET MANAGEMENT, L.P.

$20,077,056

0.92%

396,623

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NexPoint Advisors, L.P.	47,100	$2,384,202	11.9%	Other
Held directly	349,523	$17,692,854	88.1%	Sole

LM Asset Management Inc.

$13,482,637

0.62%

266,350

MORGAN STANLEY

$12,967,981

0.60%

256,183

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	23	$1,164	0.0%	Defined
Morgan Stanley Canada LTD	16,434	$831,889	6.4%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	121,800	$6,165,516	47.5%	Defined
MORGAN STANLEY SMITH BARNEY LLC	8,380	$424,195	3.3%	Defined
Morgan Stanley Bank, N.A.	107,407	$5,436,942	41.9%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	2,139	$108,275	0.8%	Defined

PenderFund Capital Management Ltd.

$11,397,244

0.52%

225,153

Vestcor Inc

$8,858,500

0.41%

175,000

OSAIC HOLDINGS, INC.

$7,939,443

0.36%

156,844

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	156,844	$7,939,443	100.0%	Defined

AYAL Capital Advisors Ltd

$7,668,930

0.35%

151,500

Rokos Capital Management LLP

$6,972,246

0.32%

137,737

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Rokos Capital Management (US) LP	137,737	$6,972,246	100.0%	Other

Senvest Management, LLC

$6,968,754

0.32%

137,668

MACKENZIE FINANCIAL CORP

$6,015,174

0.28%

118,830

GUARDIAN CAPITAL LP

$5,417,807

0.25%

107,029

Connor, Clark & Lunn Investment Management Ltd.

$4,754,837

0.22%

93,932

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	93,932	$4,754,837	100.0%	Sole

Pembroke Management, LTD

$4,643,828

0.21%

91,739

Penserra Capital Management LLC

$4,267,721

0.20%

84,309

Van Berkom & Associates Inc.

$3,917,076

0.18%

77,382

CenterBook Partners LP

$3,619,330

0.17%

71,500

Quadrature Capital Ltd

$3,531,554

0.16%

69,766

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	69,766	$3,531,554	100.0%	Other

K.J. Harrison & Partners Inc

$3,340,920

0.15%

66,000

CITADEL ADVISORS LLC

$3,207,131

0.15%

63,357

GABELLI & Co INVESTMENT ADVISERS, INC.

$2,830,214

0.13%

55,911

TD Waterhouse Canada Inc.

$2,718,698

0.12%

53,708

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	53,708	$2,718,698	100.0%	Defined

Qube Research & Technologies Ltd

$2,577,823

0.12%

50,925

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$2,546,186

0.12%

50,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	50,300	$2,546,186	100.0%	Other

FIL Ltd

$2,131,102

0.10%

42,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Investments Canada ULC	42,100	$2,131,102	100.0%	Defined

National Philanthropic Trust

$2,024,800

0.09%

40,000

CITADEL ADVISORS LLC

$1,943,808

0.09%

38,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	38,400	$1,943,808	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,822,320

0.08%

36,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	36,000	$1,822,320	100.0%	Other

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,688,936

0.08%

33,365

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	33,365	$1,688,936	100.0%	Other

BNP PARIBAS ARBITRAGE, SA

$1,581,470

0.07%

31,242

PCJ Investment Counsel Ltd.

$1,578,331

0.07%

31,180

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	31,180	$1,578,331	100.0%	Sole

JANE STREET GROUP, LLC

$1,569,220

0.07%

31,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	31,000	$1,569,220	100.0%	Defined

BANK OF AMERICA CORP /DE/

$1,562,132

0.07%

30,860

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	5,070	$256,643	16.4%	Defined
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	6,200	$313,844	20.1%	Defined
BOFA SECURITIES, INC.	5,000	$253,100	16.2%	Defined
MERRILL LYNCH CANADA INC.	14,590	$738,545	47.3%	Defined

JANE STREET GROUP, LLC

$1,550,743

0.07%

30,635

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	15,881	$803,896	51.8%	Defined
Jane Street Global Trading, LLC	14,754	$746,847	48.2%	Defined

JANE STREET GROUP, LLC

$1,260,438

0.06%

24,900

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	24,900	$1,260,438	100.0%	Defined

FORMULA GROWTH LTD

$1,157,831

0.05%

22,873

BANK OF MONTREAL /CAN/

$1,153,072

0.05%

22,779

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMO NESBITT BURNS INC.	22,779	$1,153,072	100.0%	Defined

TD Asset Management Inc

$1,150,187

0.05%

22,722

Voleon Capital Management LP

$1,088,583

0.05%

21,505

D. E. Shaw & Co., Inc.

$1,086,153

0.05%

21,457

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	21,457	$1,086,153	100.0%	Defined

XTX Topco Ltd

$925,637

0.04%

18,286

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	18,286	$925,637	100.0%	Defined

AMERICAN CENTURY COMPANIES INC

$916,626

0.04%

18,108

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	18,108	$916,626	100.0%	Defined

INTACT INVESTMENT MANAGEMENT INC.

$890,912

0.04%

17,600

GOLDMAN SACHS GROUP INC

$875,422

0.04%

17,294

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	17,294	$875,422	100.0%	Defined

Investment Management Corp of Ontario

$766,893

0.04%

15,150

STIFEL FINANCIAL CORP

$758,034

0.03%

14,975

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	14,975	$758,034	100.0%	Defined

Trexquant Investment LP

$739,760

0.03%

14,614

PEAPACK GLADSTONE FINANCIAL CORP

$702,858

0.03%

13,885

CITADEL ADVISORS LLC

$647,936

0.03%

12,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	12,800	$647,936	100.0%	Defined

JPMORGAN CHASE & CO

$647,227

0.03%

12,786

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	12,786	$647,227	100.0%	Defined

IMC-Chicago, LLC

$614,273

0.03%

12,135

Engineers Gate Manager LP

$591,241

0.03%

11,680

BARCLAYS PLC

$580,965

0.03%

11,477

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	11,477	$580,965	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$489,697

0.02%

9,674

Point72 Asset Management, L.P.

$458,920

0.02%

9,066

UBS Group AG

$406,224

0.02%

8,025

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	5,308	$268,690	66.1%	Defined
UBS Securities LLC	2,717	$137,534	33.9%	Defined

Federation des caisses Desjardins du Quebec

$405,364

0.02%

8,008

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	7,908	$400,302	98.8%	Defined
Held directly	100	$5,062	1.2%	Defined

MANGROVE PARTNERS IM, LLC

$391,950

0.02%

7,743

HRT FINANCIAL LP

$384,762

0.02%

7,601

PDT Partners, LLC

$356,921

0.02%

7,051

ROYAL BANK OF CANADA

$355,605

0.02%

7,025

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	50	$2,531	0.7%	Defined
RBC Dominion Securities Inc.	6,975	$353,074	99.3%	Defined

Pathstone Holdings, LLC

$355,301

0.02%

7,019

Asset Management One Co., Ltd.

$347,000

0.02%

6,855

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$338,292

0.02%

6,683

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	4,948	$250,467	74.0%	Defined
Global X Management (AUS) Ltd joint	152	$7,694	2.3%	Defined
Global X Investments Canada Inc. joint	1,583	$80,131	23.7%	Defined

RENAISSANCE TECHNOLOGIES LLC

$323,968

0.01%

6,400

Black Maple Capital Management LP

$279,219

0.01%

5,516

Cambridge Investment Research Advisors, Inc.

$265,755

0.01%

5,250

SG Americas Securities, LLC

$251,632

0.01%

4,971

LMR Partners LLP

$237,914

0.01%

4,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
LMR Partners LLC	4,700	$237,914	100.0%	Sole

Platform Technology Partners

$230,371

0.01%

4,551

Central Pacific Bank - Trust Division

$227,081

0.01%

4,486

COMMONWEALTH EQUITY SERVICES, LLC

$227,081

0.01%

4,486

Heard Capital LLC

$221,209

0.01%

4,370

Rossby Financial, LCC

$207,542

0.01%

4,100

SageView Advisory Group, LLC

$202,480

0.01%

4,000

CITIGROUP INC

$105,289

0.00%

2,080

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	2,080	$105,289	100.0%	Defined

SIMPLEX TRADING, LLC

$69,551

0.00%

1,374

HORIZON BANCORP INC /IN/

$50,620

0.00%

1,000

Rockefeller Capital Management L.P.

$50,620

0.00%

1,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	1,000	$50,620	100.0%	Defined

Allied Private Wealth LLC

$50,620

0.00%

1,000

WELLS FARGO & COMPANY/MN

$45,000

0.00%

889

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	303	$15,337	34.1%	Defined
WELLS FARGO CLEARING SERVICES, LLC	586	$29,663	65.9%	Defined

NATIONAL BANK OF CANADA /FI/

$42,622

0.00%

842

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	842	$42,622	100.0%	Defined

Smartleaf Asset Management LLC

$25,310

0.00%

500

Wilmington Savings Fund Society, FSB

$25,310

0.00%

500

IFP Advisors, Inc

$25,310

0.00%

500

SUMMIT SECURITIES GROUP LLC

$25,310

0.00%

500

BlackRock, Inc.

$24,196

0.00%

478

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	478	$24,196	100.0%	Sole

Ancora Advisors LLC

$20,248

0.00%

400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ANCORA PRIVATE WEALTH ADVISORS, LLC	400	$20,248	100.0%	Sole

Elequin Capital, LP

$15,034

0.00%

297

JONES FINANCIAL COMPANIES LLLP

$12,148

0.00%

240

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	240	$12,148	100.0%	Sole

Cassaday & Co Wealth Management LLC

$10,377

0.00%

205

Arax Advisory Partners

$10,124

0.00%

200

Cape Investment Advisory, Inc.

$10,124

0.00%

200

Private Wealth Management Group, LLC

$8,909

0.00%

176

MTM Investment Management, LLC

$6,732

0.00%

133

Tower Research Capital LLC (TRC)

$5,062

0.00%

100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Tower Research Capital Investments LLC	100	$5,062	100.0%	Other

Key facts CIK 1845840 CUSIP 879512309 13F (30d) 82 filings 82 filers Visit website Investor relations