v3.25.2
Shareholder Report
 6 Months Ended
May 31, 2025
USD ($)
Holdings
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name MSS SERIES TRUST
Entity Central Index Key 0001368578
Entity Investment Company Type N-1A
Document Period End Date May 31, 2025
One Rock Fund  
Shareholder Report [Line Items]  
Fund Name One Rock Fund
Class Name Institutional Class
Trading Symbol ONERX
Annual or Semi-Annual Statement [Text Block]

Additional Information:

This semi-annual shareholder report contains information about One Rock Fund - ONERX (the “Fund”) for the period December 1, 2024 to May 31, 2025.

 
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block]

You can find additional information about the Fund, including its prospectus, financial information, holdings, and proxy voting information, by visiting https://www.onerockfund.com. You can also request this information by contacting us at 1-800-564-3899.

 
Additional Information Phone Number 1-800-564-3899
Additional Information Email https://www.onerockfund.com.
Expenses [Text Block]

EXPENSE INFORMATION

What were the Fund costs for the past year?

(based on a hypothetical $10,000 investment)

 

    Costs paid as a
  Cost of a percentage of a
  $10,000 $10,000 investment
Fund Name investment (annualized)
One Rock Fund $86 1.70%

 
Expenses Paid, Amount $ 86
Expense Ratio, Percent 1.70%
Line Graph [Table Text Block]

 

Line Graph One Rock S&P 500
3/6/2020 10000 10000
5/31/2020 13415 10293
11/30/2020 19640 12349
5/31/2021 20570 14442
11/30/2021 28466 15797
5/31/2022 18025 14399
11/30/2022 17104 14342
5/31/2023 20221 14820
11/30/2023 24454 16327
5/31/2024 31812 18997
11/30/2024 41652 21860
5/31/2025 42345 21566

 
Average Annual Return [Table Text Block]

 

FUND/INDEX 1 Year 5 Years From Inception Annualized** Value
ONE ROCK Fund 33.11% 25.85% 31.75% $42,345
S&P 500 Index 13.52% 15.93% 15.81% $21,566

 
Net Assets $ 25,972,709
Holdings Count | Holdings 47
Advisory Fees Paid, Amount $ 143,613
Investment Company, Portfolio Turnover 336.29%
Additional Fund Statistics [Text Block]

ABOUT THE FUND

Net Assets $25,972,709
Portfolio Holdings 47
Portfolio Turnover 336.29%
Advisory Fees Paid by Fund* $143,613

 
Holdings [Text Block]

 

Technology 55.38%
Financial Services 15.38%
Industrials 14.42%
Communication Services 4.63%
Consumer Cyclical 4.02%
Basic Materials 2.17%
Exchange Traded Fund 2.03%
Money Market Fund 1.10%
Energy 0.87%

 
Largest Holdings [Text Block]

TOP 10 HOLDINGS (% of Net Assets)

 

Nvidia Corp.  NVDA 10.56%
Palantir Technologies Inc. Class A  PLTR 8.63%
Snowflake Inc. Class A   SNOW 7.24%
Robinhood Markets, Inc. Class A   HOOD 6.37%
Argan, Inc.   AGX 4.24%
MicroStrategy Inc. Class A    MSTR 3.84%
Coinbase Global Inc. Class A   COIN 3.61%
AppLovin Corp. Class A     APP 3.10%
Celestica, Inc.  Class A    CLS 2.86%
Cloudflare, Inc. Class A    NET 2.55%
TOTAL 53.00%

 
Material Fund Change [Text Block]

Householding of Shareholder Documents:

To reduce Fund expenses, only one copy of most shareholder documents may be mailed to shareholders with multiple accounts at the same address (Householding). If you would prefer that your Fund documents not be householded, please contact the Fund at 1-800-564-3899, or contact your financial intermediary.