FundWatcher

Compare fund portfolios

See how two funds' portfolios overlap. Enter two tickers:

vs

FMMFX vs AMUSX

Shared holdings
704
FMMFX covered by AMUSX
31.71%
AMUSX covered by FMMFX
31.71%

Coverage = share of one portfolio's weight reproduced by the other (overlapping positions, min weight). Top 50 positions per side shown; ● = held by both — hover a shared position to highlight it in both columns.

FMMFX (Feb. 28, 2026)

SecurityWeight
CAPITAL GROUP CENTRAL CASH FUND3.65%●
FHLBanks Office of Finance3.20%
FNCL 6 3/242.75%●
FR RQ00282.66%●
Federal Home Loan Bank Discount Notes2.48%
FHLBDN 0 05/04/222.48%
FHLBanks Office of Finance2.13%
Federal Home Loan Bank Discount Notes1.77%
Federal Home Loan Bank Discount Notes1.77%
Federal Home Loan Bank (FHLB)1.22%
FED HM LN BK BD 6/18/20261.13%
FED HOME LN DISCOUNT NT DISCOUNT NOT 03/26 0.000001.07%
FN MA57011.06%●
FR SD82901.02%●
US TREASURY N/B1.00%●
FHLB0.89%
FHLBanks Office of Finance0.89%
US TREASURY N/B0.88%●
FNCL 2 4/260.87%●
US TREASURY N/B0.86%●
FR SD85340.84%●
FR SD83420.84%●
FN 1904450.81%●
US TREASURY N/B0.78%●
Uniform Mortgage-Backed Security, TBA0.76%●
FR SD84960.74%●
FNMA 30YR 2.5% 07/01/2052#FA28390.70%●
FNMDI4 3.5 BF0765 09-01-630.70%●
FR RQ00150.67%●
FR RB51130.67%
FR SL26210.66%●
FR SD85070.64%●
FNMA 30YR 2.5% 07/01/2052#FS78790.64%●
FNMA 30YR 6% 02/01/2055#MA56150.58%●
US TREASURY N/B0.56%●
FR SD82130.55%●
FN MA56740.53%●
FHLB0.53%
FED HM LN BK BD 5/15/20260.53%
FN MA57350.52%●
FNCL UMBS 6.5 FA2842 07-01-550.52%●
G2 MA70510.51%●
Federal Farm Credit, 030.50%
FNCL UMBS 6.0 QX4065 01-01-550.50%●
UMBS, 30 Year0.48%●
FED HOME LN DISCOUNT NT DISCOUNT NOT 03/26 0.000000.48%
US TREASURY N/B0.46%●
Federal Home Loan Bank Discount Notes0.45%
GOVERNMENT NATIONAL MORTGAGE CORPORATION0.44%
Fannie Mae or Freddie Mac0.43%●

AMUSX (Feb. 28, 2026)

SecurityWeight
CAPITAL GROUP CENTRAL CASH FUND4.36%●
US TREASURY N/B2.42%
US TREASURY N/B2.35%●
US TREASURY N/B2.26%●
US TREASURY N/B1.93%●
U.S. Treasury Inflation-Protected Indexed Notes1.85%
US TREASURY N/B1.70%●
US TREASURY N/B1.66%●
U.S. Treasury Bills1.57%
US TREASURY N/B1.38%●
US TREASURY N/B1.20%
U.S. Treasury Bills1.18%
U.S. Treasury Bills1.18%
U.S. Treasury Bills1.17%
US TREASURY N/B1.05%
FR SD83420.92%●
US TREASURY N/B0.90%●
US TREASURY N/B0.89%
US TREASURY N/B0.88%
US TREASURY N/B0.86%●
FR SD83500.86%
US TREASURY N/B0.85%●
FR RQ00280.81%●
US TREASURY N/B0.80%
UMBS0.76%●
US TREASURY N/B0.76%
FR SD82880.73%●
US TREASURY N/B0.69%
Fannie Mae or Freddie Mac0.66%●
UST BILLS 0% 05/14/20260.59%
US TREASURY N/B0.56%
US TREASURY N/B0.54%●
FR SD82900.52%●
US TREASURY N/B0.52%
US TREASURY N/B0.51%
US TREASURY N/B0.51%
U.S. Treasury Bills0.51%
US TREASURY N/B0.51%
US TREASURY N/B0.50%
US TREASURY N/B0.50%
US TREASURY N/B0.49%
FNCL UMBS 6.5 CB7624 12-01-530.48%
FR RQ00150.46%●
US TREASURY N/B0.45%
U.S. Treasury Inflation-Protected Indexed Bonds0.45%
FNMA POOL MA5011 FN 05/53 FIXED 60.45%●
US TREASURY N/B0.42%
OIS RECFIX USD 4.9005% 04-17-24/04-17-26 LCH0.41%●
UNITED STATES TREASURY INFLATION INDEXED BONDS I/L 2.375% 02-15-560.40%
US TREASURY N/B0.40%

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.