| SC 13G/A | 2015-02-02 | BlackRock Inc. | TRANSCANADA CORP | 40,793,741 | 5.8% | EDGAR |
| SC 13G/A | 2014-02-03 | BlackRock Inc. | TRANSCANADA CORP | 39,185,192 | 5.5% | EDGAR |
| SC 13G | 2013-01-30 | BlackRock Inc. | TRANSCANADA CORP | 37,084,896 | 5.3% | EDGAR |
| SC 13G/A | 2012-03-12 | BlackRock Inc. | TRANSCANADA CORP | 34,354,471 | 4.9% | EDGAR |
| SC 13G | 2012-02-09 | BlackRock Inc. | TRANSCANADA CORP | 37,166,538 | 5.3% | EDGAR |
| SC 13D/A | 2009-07-02 | TRANSCANADA CORP | TC PIPELINES LP | 17,084,831 | 1.0% | EDGAR |
| SC 13D/A | 2007-03-29 | TRANSCANADA CORP | TC PIPELINES LP | 10,713,151 | - | EDGAR |
| SC 13G | 2007-02-13 | JARISLOWSKY FRASER LTD | TRANSCANADA CORP | 27,528,386 | 5.6% | EDGAR |
| SC 13G/A | 2007-02-07 | CANADA PENSION PLAN INVESTMENT BOARD | TRANSCANADA CORP | 3,579,139 | 0.7% | EDGAR |
| SC 13G/A | 2006-02-10 | CANADA PENSION PLAN INVESTMENT BOARD | TRANSCANADA CORP | - | 6.5% | EDGAR |
| SC 13G | 2006-02-10 | JARISLOWSKY FRASER LTD | TRANSCANADA CORP | 27,753,632 | 5.7% | EDGAR |
| SC 13G | 2005-02-11 | JARISLOWSKY FRASER LTD | TRANSCANADA CORP | 26,634,146 | 5.5% | EDGAR |
| SC 13G/A | 2005-01-21 | CANADA PENSION PLAN INVESTMENT BOARD | TRANSCANADA CORP | 35,857,317 | 7.4% | EDGAR |
| SC 13G | 2004-03-16 | CANADA PENSION PLAN INVESTMENT BOARD | TRANSCANADA CORP | 31,750,617 | 6.6% | EDGAR |
| SC 13G | 2004-02-09 | JARISLOWSKY FRASER LTD | TRANSCANADA CORP | 26,121,405 | 5.4% | EDGAR |