0000035348 fhst2:S000039214Member fhst2:FMember fhst2:C000120648Member 2011-12-06 2012-12-05 0000035348 2011-12-06 2012-12-05 0000035348 fhst2:S000039214Member fhst2:SeriesMember fhst2:C000120647Member 2011-12-06 2012-12-05 0000035348 fhst2:S000039214Member fhst2:FMember 2011-12-06 2012-12-05 0000035348 fhst2:S000039215Member 2011-12-06 2012-12-05 0000035348 fhst2:S000039215Member fhst2:C000120649Member 2011-12-06 2012-12-05 0000035348 fhst2:S000039214Member fhst2:SeriesMember 2011-12-06 2012-12-05 pure iso4217:USD 0 2012-12-05 485BPOS FIDELITY HASTINGS STREET TRUST 0.0056 0000035348 0 2012-12-04 0.0006 2012-12-05 0.0062 false 2012-06-30 0 0.0056 0 0.0027 0.0083 63 199 85 265 Investment Objective Fee Table Shareholder fees (fees paid directly from your investment) Annual class operating expenses (expenses that you pay each year as a % of the value of your investment) Portfolio Turnover Principal Investment Strategies Principal Investment Risks Performance The fund seeks high total return. The following table describes the fees and expenses that may be incurred when you buy and hold shares of the fund. This example helps compare the cost of investing in the fund with the cost of investing in other mutual funds. Let's say, hypothetically, that the annual return for shares of the fund is 5% and that your shareholder fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated: The fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the fund's performance. You could lose money by investing in the fund. An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Fund Summary Fund/Class: Fidelity® Series Mega Cap Fund/F Fund Summary Fund: Fidelity Advisor® Series Mega Cap Fund Investment Objective The fund seeks high total return. Based on estimated amounts for the current fiscal year. Fee Table The following table describes the fees and expenses that may be incurred when you buy and hold shares of the fund. Shareholder fees (fees paid directly from your investment) Annual fund operating expenses (expenses that you pay each year as a % of the value of your investment) This example helps compare the cost of investing in the fund with the cost of investing in other mutual funds. Let's say, hypothetically, that the annual return for shares of the fund is 5% and that your shareholder fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated: Portfolio Turnover The fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the fund's performance. Principal Investment Strategies <ul><li>Normally investing at least 80% of assets in common stocks of companies with mega market capitalizations (which, for purposes of this fund, are those companies with market capitalizations similar to companies in the Russell Top 200® Index or the S&P 100® Index).</li><li>Investing in domestic and foreign issuers.</li><li>Investing in either "growth" stocks or "value" stocks or both.</li><li>Using fundamental analysis of factors such as each issuer's financial condition and industry position, as well as market and economic conditions, to select investments.</li></ul> Principal Investment Risks <ul><li>Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market can react differently to these developments.</li><li>Foreign Exposure. Foreign markets can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.</li><li>Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole.</li></ul>An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. You could lose money by investing in the fund. Performance 0 0.0056 0 0.0063 0.0119 -0.0029 0.009 Fund Summary Fund/Class: Fidelity® Series Mega Cap Fund/Fidelity Series Mega Cap Fund Investment Objective The fund seeks high total return. Fee Table The following table describes the fees and expenses that may be incurred when you buy and hold shares of the fund. Shareholder fees (fees paid directly from your investment) Annual class operating expenses (expenses that you pay each year as a % of the value of your investment) This example helps compare the cost of investing in the fund with the cost of investing in other mutual funds. Let's say, hypothetically, that the annual return for shares of the fund is 5% and that your shareholder fees and the annual operating expenses for shares of the fund are exactly as described in the fee table. This example illustrates the effect of fees and expenses, but is not meant to suggest actual or expected fees and expenses or returns, all of which may vary. For every $10,000 you invested, here's how much you would pay in total expenses if you sell all of your shares at the end of each time period indicated: Portfolio Turnover The fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when fund shares are held in a taxable account. These costs, which are not reflected in annual operating expenses or in the example, affect the fund's performance. Principal Investment Strategies <ul><li>Normally investing at least 80% of assets in common stocks of companies with mega market capitalizations (which, for purposes of this fund, are those companies with market capitalizations similar to companies in the Russell Top 200® Index or the S&P 100® Index). </li> <li>Investing in domestic and foreign issuers. </li><li>Investing in either "growth" stocks or "value" stocks or both. </li><li>Using fundamental analysis of factors such as each issuer's financial condition and industry position, as well as market and economic conditions, to select investments.</li></ul> Principal Investment Risks <ul><li>Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market can react differently to these developments.</li><li>Foreign Exposure. Foreign markets can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.</li><li>Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole. </li></ul>An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. You could lose money by investing in the fund. Performance 92 344 Performance history will be available for the fund after the fund has been in operation for one calendar year. Based on estimated amounts for the current fiscal year. You could lose money by investing in the fund. <ul><li>Normally investing at least 80% of assets in common stocks of companies with mega market capitalizations (which, for purposes of this fund, are those companies with market capitalizations similar to companies in the Russell Top 200® Index or the S&P 100® Index).</li><li>Investing in domestic and foreign issuers.</li><li>Investing in either "growth" stocks or "value" stocks or both.</li><li>Using fundamental analysis of factors such as each issuer's financial condition and industry position, as well as market and economic conditions, to select investments.</li></ul> <ul><li>Stock Market Volatility. Stock markets are volatile and can decline significantly in response to adverse issuer, political, regulatory, market, or economic developments. Different parts of the market can react differently to these developments.</li><li>Foreign Exposure. Foreign markets can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, market, or economic developments and can perform differently from the U.S. market.</li><li>Issuer-Specific Changes. The value of an individual security or particular type of security can be more volatile than, and can perform differently from, the market as a whole.</li></ul>An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. You could lose money by investing in the fund. Performance history will be available for the fund after the fund has been in operation for one calendar year. <div style="display:none">~ http://www.fidelity.com/role/ScheduleShareholderFeesFidelitySeriesMegaCapFundClassF column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleExpenseExampleFidelitySeriesMegaCapFundClassF column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleShareholderFeesFidelitySeriesMegaCapFund column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleAnnualClassOperatingExpensesFidelitySeriesMegaCapFund column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleExpenseExampleFidelitySeriesMegaCapFund column period compact * ~</div> Based on estimated amounts for the current fiscal year. You could lose money by investing in the fund. An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. Performance history will be available for the fund after the fund has been in operation for one calendar year. February 28, 2014 <div style="display:none">~ http://www.fidelity.com/role/ScheduleShareholderFeesFidelityAdvisorSeriesMegaCapFund column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleAnnualFundOperatingExpensesFidelityAdvisorSeriesMegaCapFund column period compact * ~</div> <div style="display:none">~ http://www.fidelity.com/role/ScheduleExpenseExampleFidelityAdvisorSeriesMegaCapFund column period compact * ~</div> An investment in the fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. <div style="display:none">~ http://www.fidelity.com/role/ScheduleAnnualClassOperatingExpensesFidelitySeriesMegaCapFundClassF column period compact * ~</div> Based on estimated amounts for the current fiscal year. Fidelity Management & Research Company (FMR) has contractually agreed to reimburse the fund to the extent that total operating expenses (excluding interest, taxes, certain securities lending costs, brokerage commissions, extraordinary expenses, and acquired fund fees and expenses, if any), as a percentage of its average net assets, exceed 0.90%. This arrangement will remain in effect through February 28, 2014. FMR may not discontinue or modify this arrangement without the approval of the Board of Trustees.