FIDELITY MT VERNON STREET TRUST 485BPOS   0001379491-17-000874

Post-effective amendment filed : Securities Act Rule 485

Type Filing Company SIC Rel IRS # State of INC FY End Mailing address Former Filing Vals
filer
FIDELITY MT VERNON STREET TRUST
Cik: 0000707823
245 SUMMER STREET
BOSTON,  MA,  02210
  USA
1130
245 SUMMER STREET
BOSTON,  MA,  02210
  USA
Jan. 10, 1991FIDELITY GROWTH COMPANY FUND
Dec. 16, 1986FIDELITY MERCURY FUND
form type485BPOS
act33
file number002-79755
film number17620665
filer
FIDELITY MT VERNON STREET TRUST
Cik: 0000707823
245 SUMMER STREET
BOSTON,  MA,  02210
  USA
1130
245 SUMMER STREET
BOSTON,  MA,  02210
  USA
Jan. 10, 1991FIDELITY GROWTH COMPANY FUND
Dec. 16, 1986FIDELITY MERCURY FUND
form type485BPOS
act40
file number811-03583
film number17620666

Series and Classes Contracts

Existing Series And Classes Contracts
Owner CIK:   0000707823
Series:   S000056370 Fidelity Flex Mid Cap Growth Fund
Class Contract:
Ticker Symbol ID Name
FFMGX C000177597 Fidelity Flex Mid Cap Growth Fund