N-PX |
Open Document
|
Open Filing |
|
Aug 29, 2025 |
Jun 30, 2025 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Aug 14, 2025 |
Jun 30, 2025 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
May 15, 2025 |
Mar 31, 2025 |
028-16990 |
SCHEDULE 13D/A |
Open Document
|
Open Filing |
|
Apr 30, 2025 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Feb 14, 2025 |
Dec 31, 2024 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Nov 14, 2024 |
Sep 30, 2024 |
028-16990 |
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Nov 4, 2024 |
|
|
N-PX |
Open Document
|
Open Filing |
|
Aug 29, 2024 |
Jun 30, 2024 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Aug 14, 2024 |
Jun 30, 2024 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
May 15, 2024 |
Mar 31, 2024 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
CANADIAN PACIFIC KANSAS CITY LTD/CN |
Feb 14, 2024 |
|
|
SC 13G/A |
Open Document
|
Open Filing |
MOODYS CORP /DE/ |
Feb 14, 2024 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Feb 14, 2024 |
Dec 31, 2023 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
MOODY'S CORP |
Dec 18, 2023 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Nov 14, 2023 |
Sep 30, 2023 |
028-16990 |
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY CO |
Nov 9, 2023 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Aug 14, 2023 |
Jun 30, 2023 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
May 15, 2023 |
Mar 31, 2023 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
BOSTON PROPERTIES, INC. |
Feb 14, 2023 |
|
|
SC 13G |
Open Document
|
Open Filing |
MOODYS CORPORATION |
Feb 14, 2023 |
|
|
SC 13G/A |
Open Document
|
Open Filing |
CHARTER COMMUNICATIONS, INC. |
Feb 14, 2023 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Feb 14, 2023 |
Dec 31, 2022 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Nov 14, 2022 |
Sep 30, 2022 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Aug 15, 2022 |
Jun 30, 2022 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
May 16, 2022 |
Mar 31, 2022 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
CANADIAN PACIFIC RAILWAY LIMITED |
Feb 14, 2022 |
|
|
SC 13G/A |
Open Document
|
Open Filing |
CHARTER COMMUNICATIONS, INC. |
Feb 14, 2022 |
|
|
SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2022 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Feb 14, 2022 |
Dec 31, 2021 |
028-16990 |
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Jan 26, 2022 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Nov 15, 2021 |
Sep 30, 2021 |
028-16990 |
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Oct 18, 2021 |
|
|
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Sep 27, 2021 |
|
|
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Sep 17, 2021 |
|
|
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Sep 13, 2021 |
|
|
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Sep 7, 2021 |
|
|
SC 13D/A |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Aug 31, 2021 |
|
|
SC 13D |
Open Document
|
Open Filing |
CANADIAN NATIONAL RAILWAY COMPANY |
Aug 30, 2021 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Aug 16, 2021 |
Jun 30, 2021 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
BOSTON PROPERTIES, INC. |
Aug 9, 2021 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
May 17, 2021 |
Mar 31, 2021 |
028-16990 |
PX14A6G |
Open Document
|
Open Filing |
UNION PACIFIC CORP |
Mar 25, 2021 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Feb 16, 2021 |
Dec 31, 2020 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
UNIVAR SOLUTIONS INC. |
Feb 16, 2021 |
|
|
SC 13G/A |
Open Document
|
Open Filing |
CANADIAN PACIFIC RAILWAY LTD/CN |
Feb 16, 2021 |
|
|
SC 13G |
Open Document
|
Open Filing |
CHARTER COMMUNICATIONS, INC. /MO/ |
Feb 16, 2021 |
|
|
SC 13G |
Open Document
|
Open Filing |
BOSTON PROPERTIES, INC. |
Feb 16, 2021 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Nov 16, 2020 |
Sep 30, 2020 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Aug 14, 2020 |
Jun 30, 2020 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
May 15, 2020 |
Mar 31, 2020 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Feb 14, 2020 |
Dec 31, 2019 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
UNIVAR SOLUTIONS INC. |
Feb 14, 2020 |
|
|
SC 13G/A |
Open Document
|
Open Filing |
CANADIAN PACIFIC RAILWAY LIMITED |
Feb 14, 2020 |
|
|
SC 13G/A |
Open Document
|
Open Filing |
CHARTER COMMUNICATIONS, INC. |
Feb 14, 2020 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Nov 14, 2019 |
Sep 30, 2019 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
CANADIAN PACIFIC RAILWAY LIMITED |
Sep 3, 2019 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Aug 14, 2019 |
Jun 30, 2019 |
028-16990 |
SC 13G |
Open Document
|
Open Filing |
UNIVAR INC. |
Jun 27, 2019 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
May 15, 2019 |
Mar 31, 2019 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Feb 14, 2019 |
Dec 31, 2018 |
028-16990 |
SC 13G |
Open Document
|
Open Filing |
CHARTER COMMUNICATIONS, INC. /MO/ |
Feb 14, 2019 |
|
|
SC 13G |
Open Document
|
Open Filing |
CANADIAN PACIFIC RAILWAY LIMITED |
Feb 14, 2019 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Nov 14, 2018 |
Sep 30, 2018 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Aug 14, 2018 |
Jun 30, 2018 |
028-16990 |
SC 13D/A |
Open Document
|
Open Filing |
ALTABA INC. |
Jul 12, 2018 |
|
|
SC 13D/A |
Open Document
|
Open Filing |
ALTABA INC. |
Jul 9, 2018 |
|
|
SC 13D/A |
Open Document
|
Open Filing |
ALTABA INC. |
Jul 2, 2018 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
May 15, 2018 |
Mar 31, 2018 |
028-16990 |
SC 13D |
Open Document
|
Open Filing |
ALTABA INC. |
Mar 15, 2018 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Feb 14, 2018 |
Dec 31, 2017 |
028-16990 |
4 |
Open Document
|
Open Filing |
ALTABA INC. |
Jan 22, 2018 |
Jan 18, 2018 |
811-23264 |
SC 13G/A |
Open Document
|
Open Filing |
TCI FUND MANAGEMENT LTD |
Jan 22, 2018 |
|
|
3 |
Open Document
|
Open Filing |
ALTABA INC. |
Nov 30, 2017 |
Nov 20, 2017 |
811-23264 |
13F-HR |
Open Document
|
Open Filing |
|
Nov 14, 2017 |
Sep 30, 2017 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Aug 14, 2017 |
Jun 30, 2017 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
May 15, 2017 |
Mar 31, 2017 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
TCI FUND MANAGEMENT LTD |
Apr 10, 2017 |
|
|
SC 13G |
Open Document
|
Open Filing |
TCI FUND MANAGEMENT LTD |
Feb 14, 2017 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Feb 14, 2017 |
Dec 31, 2016 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Nov 14, 2016 |
Sep 30, 2016 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Aug 15, 2016 |
Jun 30, 2016 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
May 16, 2016 |
Mar 31, 2016 |
028-16990 |
SC 13G/A |
Open Document
|
Open Filing |
TCI FUND MANAGEMENT LTD |
Feb 12, 2016 |
|
|
13F-HR |
Open Document
|
Open Filing |
|
Feb 11, 2016 |
Dec 31, 2015 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Nov 12, 2015 |
Sep 30, 2015 |
028-16990 |
13F-HR |
Open Document
|
Open Filing |
|
Aug 17, 2015 |
Jun 30, 2015 |
028-16990 |