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Fidelity Investments Money Market Treasury Only Portfolio - Class I

FSIXX

GovernmentInstitutional
7-day Yield
#144
3.52%
as of 4/30/2026
Net assets
$30.3B
Expense ratio
0.18%
WAM
52
WAL
113
Minimum
$1M
Holding details
100% Treasuries
as of 4/30/2026

Performance

Portfolio Securities

SecurityYield%
US Treasury Bill, UST BILLS 0% 05/19/20263.43%4.99%
US Treasury Bill, UST BILLS 0% 06/04/20263.54%4.18%
US Treasury Bill, UST BILLS 0% 06/11/20263.57%3.86%
US Treasury Bill, UST BILLS 0% 06/02/20263.54%3.37%
US Treasury Notes, UST NOTES 3MB+18.2 07/31/20263.63%3.35%
US Treasury Bill, UST BILLS 0% 05/26/20263.47%3.28%
US Treasury Bill, UST BILLS 0% 05/21/20263.43%3.11%
US Treasury Bill, UST BILLS 0% 06/23/20263.63%3.04%
US Treasury Bill, UST BILLS 0% 05/12/20263.30%2.86%
US Treasury Notes, UST NOTES 3MB+19 10/31/20273.75%2.81%
US Treasury Bill, UST BILLS 0% 07/09/20263.60%2.78%
US Treasury Bill, UST BILLS 0% 06/09/20263.56%2.64%
US Treasury Bill, UST BILLS 0% 07/28/20263.58%2.62%
US Treasury Notes, UST NOTES 3MB+9.8 01/31/20273.69%2.59%
US Treasury Bill, UST BILLS 0% 07/30/20263.60%2.55%
US Treasury Bill, UST BILLS 0% 05/14/20263.35%2.49%
US Treasury Bill, UST BILLS 0% 07/07/20263.59%2.47%
US Treasury Bill, UST BILLS 0% 06/18/20263.59%2.45%
US Treasury Bill, UST BILLS 0% 07/16/20263.59%2.38%
US Treasury Bill, UST BILLS 0% 06/30/20263.61%2.34%
US Treasury Bill, UST BILLS 0% 07/02/20263.59%2.32%
US Treasury Bill, UST BILLS 0% 08/11/20263.63%2.14%
US Treasury Notes, UST NOTES 3MB+16 04/30/20273.69%2.05%
US Treasury Bill, UST BILLS 0% 05/07/20263.10%2.01%
US Treasury Notes, USTN 3MB+9.9 01/31/20283.74%1.94%
US Treasury Bill, UST BILLS 0% 07/23/20263.60%1.91%
US Treasury Notes, UST NOTES 3MB+15.9 07/31/20273.72%1.84%
US Treasury Bill, UST BILLS 0% 06/16/20263.58%1.80%
US Treasury Bill, UST BILLS 0% 06/25/20263.62%1.79%
US Treasury Notes, UST NOTES 3MB+20.5 10/31/20263.77%1.62%
US Treasury Bill, UST BILLS 0% 10/29/20263.68%1.54%
US Treasury Bill, UST BILLS 0% 08/20/20263.62%1.52%
US Treasury Bill, UST BILLS 0% 09/01/20263.59%1.48%
US Treasury Bill, UST BILLS 0% 05/05/20262.85%1.40%
US Treasury Bill, UST BILLS 0% 08/04/20263.61%1.36%
US Treasury Bill, UST BILLS 0% 05/28/20263.47%1.34%
US Treasury Notes, UST NOTES 4.625% 06/30/20263.72%1.26%
US Treasury Bill, UST BILLS 0% 08/25/20263.65%1.23%
US Treasury Bill, UST BILLS 0% 09/03/20263.68%1.18%
US Treasury Bill, UST BILLS 0% 08/06/20263.61%1.02%
US Treasury Bill, UST BILLS 0% 10/22/20263.70%0.84%
US Treasury Notes, UST NOTES 0.875% 06/30/20263.70%0.79%
US Treasury Bill, UST BILLS 0% 10/15/20263.69%0.76%
US Treasury Notes, UST NOTES 3MB+10.3 04/30/20283.75%0.73%
US Treasury Bill, UST BILLS 0% 08/18/20263.64%0.70%
US Treasury Bill, UST BILLS 0% 10/01/20263.68%0.67%
US Treasury Bill, UST BILLS 0% 09/10/20263.69%0.63%
US Treasury Bill, UST BILLS 0% 07/14/20263.59%0.52%
US Treasury Bill, UST BILLS 0% 02/18/20273.69%0.42%
US Treasury Notes, UST NOTES 1.625% 05/15/20263.56%0.38%
US Treasury Bill, UST BILLS 0% 10/08/20263.68%0.37%
US Treasury Bill, UST BILLS 0% 07/21/20263.59%0.34%
US Treasury Bill, UST BILLS 0% 09/24/20263.72%0.22%
US Treasury Notes, UST NOTES 1.875% 06/30/20263.64%0.17%
US Treasury Notes, UST NOTES 4.25% 12/31/20263.74%0.17%
US Treasury Notes, UST NOTES 4.625% 10/15/20263.67%0.16%
US Treasury Bill, UST BILLS 0% 08/13/20263.61%0.14%
US Treasury Notes, UST NOTES 4.25% 11/30/20263.72%0.11%
US Treasury Notes, UST NOTES 4.5% 07/15/20263.68%0.02%
US Treasury Notes, UST NOTES 1.25% 12/31/20263.72%0.02%