As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 1/27/21  Morgan Stanley Mtge Secs Trust    24F-2NT    10/31/20    1:7K                                     State Street Bank … Dept 
          → Morgan Stanley Mortgage Securities Trust
 1/12/21  Morgan Stanley Mtge Secs Trust    N-CEN      10/31/20    2:40K                                    Confluence Techs Inc./FA 
          → Morgan Stanley Mortgage Securities Trust
12/31/20  Morgan Stanley Mtge Secs Trust    N-CSR      10/31/20    4:2M                                     Toppan Merrill/FA        
          → Morgan Stanley Mortgage Securities Trust
12/28/20  Morgan Stanley Mtge Secs Trust    NPORT-P    10/31/20    1:474K                                   Confluence Techs Inc./FA 
          → Morgan Stanley Mortgage Securities Trust

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¹	Filing/Form Types:
	24F-2NT	Annual Notice of Securities Sold by an Investment Company — Form 24F-2.
	N-CEN	Annual Report by an Investment Company — Form N-CEN.
	N-CSR	Annual Certified Shareholder Report by an Investment Company — Form N-CSR.
	NPORT-P	Monthly Portfolio Investments Report (Quarterly Release) by an Investment Company — Form N-PORT.
→	Fund / Series:  Fund or Series of this Filer with a Class or Contract that this Filing pertains to.