Fidelity Investments Money Market Treasury Portfolio - Class I

FISXX

GovernmentInstitutional
7-day Yield
#184
3.93%
as of 10/31/2025
Net assets
$27.9B
Expense ratio
0.18%
WAM
41
WAL
111
Minimum
$1M
Holding details
69% Treasuries
29% Treasury Repos
2% Other Instruments
as of 10/31/2025

Performance

Portfolio Securities

SecurityYield%
US Treasury Notes, UST NOTES 3MB+15 04/30/20263.96%3.28%
US Treasury Notes, UST NOTES 3MB+9.8 01/31/20273.95%3.05%
US Treasury Bill, UST BILLS 0% 11/20/20253.38%2.98%
US Treasury Notes, UST NOTES 3MB+18.2 07/31/20263.94%2.75%
US Treasury Notes, UST NOTES 3MB+16 04/30/20273.95%2.58%
US Treasury Bill, UST BILLS 0% 12/16/20253.68%2.52%
US Treasury Bill, UST BILLS 0% 01/02/20263.76%2.40%
US Treasury Bill, UST BILLS 0% 01/15/20263.73%2.31%
US Treasury Bill, UST BILLS 0% 12/09/20253.63%2.21%
US Treasury Bill, UST BILLS 0% 11/18/20253.30%2.18%
US Treasury Notes, UST NOTES 3MB+20.5 10/31/20263.96%2.11%
US Treasury Notes, UST NOTES 3MB+15.9 07/31/20273.93%2.09%
US Treasury Bill, UST BILLS 0% 11/12/20252.94%1.86%
US Treasury Bill, UST BILLS 0% 02/10/20263.77%1.76%
US Treasury Bill, UST BILLS 0% 11/13/20253.04%1.75%
US Treasury Notes, UST NOTES 3MB+24.5 01/31/20263.91%1.61%
US Treasury Notes, UST NOTES 0.375% 12/31/20253.79%1.58%
US Treasury Bill, UST BILLS 0% 11/28/20253.54%1.54%
US Treasury Bill, UST BILLS 0% 01/27/20263.74%1.50%
US Treasury Bill, UST BILLS 0% 12/02/20253.58%1.40%
US Treasury Bill, UST BILLS 0% 01/13/20263.67%1.36%
US Treasury Bill, UST BILLS 0% 02/03/20263.76%1.33%
US Treasury Bill, UST BILLS 0% 12/23/20253.74%1.23%
US Treasury Bill, UST BILLS 0% 01/22/20263.73%1.21%
US Treasury Bill, UST BILLS 0% 02/24/20263.79%1.19%
US Treasury Bill, UST BILLS 0% 03/19/20263.71%1.19%
US Treasury Bill, UST BILLS 0% 11/04/20250.98%1.05%
US Treasury Notes, UST NOTES 3MB+19 10/31/20273.95%1.03%
US Treasury Bill, UST BILLS 0% 04/23/20263.75%1.01%
US Treasury Bill, UST BILLS 0% 01/20/20263.70%1.00%
US Treasury Bill, UST BILLS 0% 02/17/20263.77%1.00%
US Treasury Bill, UST BILLS 0% 01/08/20263.72%0.98%
US Treasury Bill, UST BILLS 0% 02/19/20263.76%0.98%
US Treasury Bill, UST BILLS 0% 12/30/20253.74%0.97%
US Treasury Bill, UST BILLS 0% 05/14/20263.73%0.88%
US Treasury Bill, UST BILLS 0% 12/11/20253.67%0.68%
US Treasury Notes, UST NOTES 4.5% 03/31/20263.83%0.65%
US Treasury Bill, UST BILLS 0% 12/18/20253.71%0.60%
US Treasury Bill, UST BILLS 0% 11/25/20253.50%0.58%
US Treasury Bill, UST BILLS 0% 02/12/20263.75%0.54%
US Treasury Bill, UST BILLS 0% 03/12/20263.72%0.50%
US Treasury Notes, UST NOTES 0.5% 02/28/20263.84%0.44%
US Treasury Notes, UST NOTES 1.625% 02/15/20263.86%0.42%
US Treasury Bill, UST BILLS 0% 01/06/20263.74%0.41%
US Treasury Notes, UST NOTES 0.75% 03/31/20263.76%0.41%
US Treasury Bill, UST BILLS 0% 03/03/20263.71%0.40%
US Treasury Bill, UST BILLS 0% 07/09/20263.69%0.36%
US Treasury Notes, UST NOTES 4.25% 12/31/20253.86%0.31%
US Treasury Bill, UST BILLS 0% 01/29/20263.72%0.30%
US Treasury Notes, UST NOTES 0.625% 07/31/20263.75%0.29%
US Treasury Bill, UST BILLS 0% 08/06/20263.72%0.27%
US Treasury Bill, UST BILLS 0% 04/02/20263.74%0.25%
US Treasury Notes, UST NOTES 4.375% 07/31/20263.79%0.25%
US Treasury Notes, UST NOTES 0.375% 01/31/20263.79%0.24%
US Treasury Notes, UST NOTES 1.625% 05/15/20263.79%0.23%
US Treasury Notes, UST NOTES 4.125% 06/15/20263.73%0.22%
US Treasury Notes, UST NOTES 0.75% 08/31/20263.73%0.22%
US Treasury Bill, UST BILLS 0% 12/26/20253.78%0.21%
US Treasury Notes, UST NOTES 4.875% 11/30/20254.10%0.16%
US Treasury Bill, UST BILLS 0% 03/26/20263.72%0.16%
US Treasury Notes, UST NOTES 4.25% 01/31/20263.89%0.15%
US Treasury Bill, UST BILLS 0% 03/05/20263.72%0.15%
US Treasury Bill, UST BILLS 0% 04/09/20263.74%0.15%
US Treasury Bill, UST BILLS 0% 12/04/20253.61%0.14%
US Treasury Notes, UST NOTES 0.375% 11/30/20253.66%0.11%
US Treasury Notes, UST NOTES 4.625% 02/28/20263.94%0.08%
US Treasury Notes, UST NOTES 0.75% 04/30/20263.77%0.08%
US Treasury Notes, UST NOTES 4.875% 05/31/20263.83%0.08%
US Treasury Bill, UST BILLS 0% 10/29/20263.67%0.07%
US Treasury Notes, UST NOTES 0.75% 05/31/20263.77%0.06%
US Treasury Notes, UST NOTES 1.125% 10/31/20262.86%0.06%
US Treasury Notes, UST NOTES 4.875% 04/30/20263.87%0.04%
US Treasury Notes, UST NOTES 3.75% 08/31/20263.77%0.04%
US Treasury Notes, UST NOTES 0.875% 09/30/20263.73%0.04%
US Treasury Notes, UST NOTES 4.125% 10/31/20263.87%0.03%
US Treasury Notes, UST NOTES 4% 02/15/20263.90%0.02%
US Treasury Notes, UST NOTES 2.5% 02/28/20263.84%0.02%
US Treasury Notes, UST NOTES 4.625% 03/15/20263.82%0.02%
US Treasury Notes, UST NOTES 2.25% 03/31/20263.77%0.02%
US Treasury Notes, UST NOTES 4.625% 06/30/20263.82%0.02%
US Treasury Notes, UST NOTES 1.375% 08/31/20263.74%0.02%
US Treasury Notes, UST NOTES 2.125% 05/31/20263.80%0.01%
US Treasury Notes, UST NOTES 1.875% 07/31/20263.75%0.01%
Barclays Bank PLC, BPLCGR T RP 4.15% 11/3/254.15%3.41%
Fixed Income Clearing Corp - BNYM, BNY FIT T RP 4.15% 11/3/254.15%2.19%
Fixed Income Clearing Corp - Goldman, GS FIG T RP 4.15% 11/3/254.15%2.13%
JP Morgan Securities, LLC, MORGNSEC *G RP SOFR+0.02% 11/24/253.99%2.10%
Fixed Income Clearing Corp - State Street Bank, SSB FIT T RP 4.15% 11/3/254.15%1.95%
Fixed Income Clearing Corp - BNP, BNP FIG T RP 4.15% 11/3/254.15%1.79%
Fixed Income Clearing Corp - Credit Agricole, CAG FID G RP 4.07% 11/3/254.07%1.72%
Citigroup Global Capital Markets Inc, FICASH T3 4.15% 11/03/254.15%1.68%
Fixed Income Clearing Corp - Goldman, GS FIG T RP 4.15% 11/3/254.15%1.51%
Citigroup Global Capital Markets Inc, FICASH T4 4.15% 11/03/254.15%1.45%
Fixed Income Clearing Corp - BNP, BNP FIG T RP 4.15% 11/3/254.15%1.45%
Fixed Income Clearing Corp - Citi, CITG FIG T RP 4.16% 11/3/254.16%1.24%
Fixed Income Clearing Corp - Nomura, NOM FIG T RP 4.16% 11/3/254.16%0.68%
BNP Paribas, SA, BNP (GR) *G RP 4.13% 11/3/254.13%0.64%
Fixed Income Clearing Corp - Mizuho, MIZ FIG T RP 4.16% 11/3/254.16%0.63%
Fixed Income Clearing Corp - ING, ING FID G RP 4.16% 11/3/254.16%0.51%
Fixed Income Clearing Corp - Natixis, NAT FID T RP 4.18% 11/3/254.18%0.51%
SMBC Nikko Securities America Inc, NIKKOGR T RP 4.16% 11/3/254.16%0.32%
Societe Generale, SOCGENFR G RP 4.1% 11/7/254.02%0.29%
Prudential Insurance Co. of America, PRUINSGR G RP 4.18% 11/3/254.18%0.24%
Fixed Income Clearing Corp - CIBC, CIB FID T RP 4.16% 11/3/254.16%0.22%
MUFG Securities EMEA PLC, MUFSECGR *G RP 4.26% 11/7/254.17%0.22%
Citigroup Global Capital Markets Inc, CITIGRP G RP SOFR+0.07% 12/23/254.05%0.22%
Fixed Income Clearing Corp - Goldman, GS FIG G RP 4.02% 11/6/253.94%0.18%
HSBC Securities Inc (USA), HSBCSECS G RP 4.12% 11/4/254.04%0.15%
NatWest Market Securities Inc, NATSECGR G RP 4.11% 11/4/254.03%0.14%
MUFG Securities EMEA PLC, MUFSECGR *G RP 4.13% 11/6/254.05%0.14%
ABN AMRO Bank NV, ABNGR T RP 4.17% 11/3/254.17%0.13%
MUFG Securities EMEA PLC, MUFSECGR T RP 4.16% 11/3/254.16%0.13%
Canadian Imperial Bank of Commerce, CIBCGR *G RP 4.21% 11/3/254.21%0.12%
Canadian Imperial Bank of Commerce, CIBCGR *G RP 4.1% 11/7/254.02%0.11%
BofA Securities, Inc., BASGR *G RP 3.87% 1/27/263.83%0.10%
Lloyds Bank Corp Mrkts, LBCMGR G RP 4.1% 11/7/254.02%0.09%
Bank of Montreal, BMOTORGR *G RP 4.01% 11/12/253.94%0.07%
Lloyds Bank Corp Mrkts, LBCMGR G RP 4.05% 11/5/253.97%0.06%
Lloyds Bank Corp Mrkts, LBCMGR G RP 4.04% 11/6/253.96%0.06%
Norinchukin Bank, NORGR G RP 4.13% 11/4/254.05%0.05%
Norinchukin Bank, NORGR G RP 4.02% 11/6/253.94%0.05%
Lloyds Bank PLC, LLOYDGR G RP 4.32% 11/7/254.23%0.05%
Lloyds Bank PLC, LLOYDGR G RP 4.13% 11/26/254.06%0.05%
Lloyds Bank PLC, LLOYDGR G RP 4.28% 11/26/254.20%0.05%
Lloyds Bank PLC, LLOYDGR G RP 4.26% 11/28/254.18%0.05%
BofA Securities, Inc., BASGR *G RP 4.17% 12/3/254.10%0.05%
Mizuho Bank, Ltd., MIZBKGR T RP 4.16% 11/3/254.16%0.04%
MUFG Securities (Canada), Ltd., MFGCAGR G RP 4.02% 11/6/253.94%0.04%
Fixed Income Clearing Corp - CIBC, CIB FID G RP 4.16% 11/3/254.16%0.03%
Bank of Montreal, BMOTORGR *G RP 4.1% 11/7/254.02%0.03%
Canadian Imperial Bank of Commerce, CIBCGR *G RP 4.06% 11/17/253.99%0.03%
Canadian Imperial Bank of Commerce, CIBCGR *G RP 4.13% 11/3/254.13%0.02%
ING Financial Markets LLC, INGFIN G RP 4.15% 11/4/254.07%0.02%
Bank of Montreal, BMOTORGR G RP 4.02% 11/6/253.94%0.02%
Sumitomo Mitsui Banking Corp, SUMITRGT *G RP 4.06% 11/12/253.98%0.02%
Lloyds Bank PLC, LLOYDGR G RP 4.29% 11/20/254.21%0.02%
BofA Securities, Inc., BASGR *G RP 4.02% 11/24/253.95%0.02%
Lloyds Bank PLC, LLOYDGR G RP 4.13% 11/24/254.06%0.02%
Lloyds Bank PLC, LLOYDGR G RP 4.09% 12/8/254.02%0.02%
Lloyds Bank PLC, LLOYDGR G RP 4.09% 12/19/254.03%0.02%
Fixed Income Clearing Corp - Natwest, NTW FIG T RP 4.16% 11/3/254.16%0.01%
Fixed Income Clearing Corp - Credit Agricole, CAG FID G RP 4.16% 11/4/254.08%1.71%