Greenbrook TMS Inc

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Greenbrook TMS Inc
TickerGBNH
CIK #0001735948
CUSIP393704309
SectorLife Sciences - Services-Misc Health & Allied Services, Nec
Address890 Yonge Street, 7th Floor, Toronto, ON M4W 3P4
Source [EDGAR]
CIK Filing 2011 - 2025
[0001735948] 6-K
[0001735948] D
[0001735948] SC 13D
[0001735948] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Madryn Asset Management LP Greenbrook TMS Inc [2023-04-03] 21.2
Vamvakas Family Trust Greenbrook TMS Inc [2023-03-10] 18.8
Klein Benjamin Greenbrook TMS Inc [2022-07-27] 29.64
Madryn Asset Management LP Greenbrook TMS Inc [2022-07-25] 8.21
Vamvakas Family Trust Greenbrook TMS Inc [2022-02-17] 26.6
Greybrook Health Inc Greenbrook TMS Inc [2022-02-14] 26.6
1315 Capital II LP Greenbrook TMS Inc [2021-06-24] 12.9
MSS GB SPV LP Greenbrook TMS Inc [2021-06-24] 5.59
Form 13F Holdings
Firm Period DFND Voting Shares
Madryn Asset Management LP [2023-03-31] SOLE 6,363,636.0 6,363,636.0
Masters Capital Management LLC [2023-03-31] SOLE 3,427,272.0 3,427,272.0
Advisorshares Investments LLC [2023-03-31] SOLE 197,428.0 197,428.0
Royal Bank of Canada [2023-03-31] DFND 31,530.0 31,530.0
Geode Capital Management LLC [2023-03-31] DFND 16,163.0 16,163.0
Millennium Management LLC [2023-03-31] SOLE 11,548.0 11,548.0
K.J. Harrison & Partners Inc [2023-03-31] SOLE 10,000.0 10,000.0
Concord Wealth Partners [2023-03-31] SOLE 0.0 500.0
Toronto Dominion Bank [2023-03-31] DFND 0.0 260.0
UBS Group AG [2023-03-31] SOLE 228.0 228.0
Morgan Stanley [2023-03-31] DFND 0.0 100.0
Concourse Financial Group Securities Inc [2023-03-31] SOLE 0.0 0.0
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