FMSCX
Fidelity Advisor Mortgage Securities Fund
Fidelity Advisor Series II

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
1574
Top-10 weight
39.18%
Effective holdings ?
51
Crowding ?
75.6

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 GNII II 5.5% 03/01/2056 #TBA 82,975,000 $84.04M 11.27%
2 Uniform Mortgage-Backed Security, TBA 85,950,000 $71.18M 9.55%
3 G2SF 5.5 4/25 64,675,000 $65.44M 8.78%
4 Government National Mortgage Association, TBA GNR 47,350,000 $48.31M 6.48%
5 Fidelity Cash Central Fund 43,181,519 $43.19M 5.79%
6 FNCL 2 4/26 51,300,000 $42.49M 5.70%
7 Fannie Mae or Freddie Mac 41,600,000 $42.23M 5.66%
8 FNCL 6 3/24 27,800,000 $28.52M 3.82%
9 FNCI 5 4/21 23,375,000 $23.72M 3.18%
10 G2SF 6 4/25 20,250,000 $20.65M 2.77%
11 G2 MA7986 19,775,136 $16.76M 2.25%
12 US TREASURY N/B 15,970,000 $16.02M 2.15%
13 FREDDIE MAC POOL FR SD0958 9,821,594 $9.35M 1.25%
14 G2 MB0024 9,084,216 $8.99M 1.21%
15 US TREASURY N/B 8,360,000 $8.44M 1.13%
16 GNII II 6.5% 03/01/2056 #TBA 8,000,000 $8.31M 1.12%
17 G2 MA7136 8,876,187 $7.85M 1.05%
18 G2 MA7534 8,842,101 $7.81M 1.05%
19 G2 MA7135 9,026,324 $7.65M 1.03%
20 G2 MA7880 8,696,541 $7.37M 0.99%
21 G2 MA8043 7,948,586 $7.29M 0.98%
22 FR SD8121 8,584,566 $7.18M 0.96%
23 FNMA 15YR 2% 07/35#CA6242 7,552,337 $7.10M 0.95%
24 G2 MA7988 7,092,860 $6.51M 0.87%
25 FR SD7535 6,706,686 $5.93M 0.79%
26 Uniform Mortgage-Backed Securities FR 6,576,852 $5.51M 0.74%
27 FORDF 2023-1 A1 144A 4.92% 05-15-28 5,100,000 $5.11M 0.69%
28 ONEMAIN FINANCIAL ISSUANCE TRUST 2025-1 SER 2025-1A CL A REGD 144A P/P 4.82000000 OMFIT 5,000,000 $5.10M 0.68%
29 FNCL 5.5 3/25 5,000,000 $5.08M 0.68%
30 Uniform Mortgage-Backed Security, TBA FNMA 4,800,000 $4.98M 0.67%
31 Freddie Mac Pool 4,634,168 $4.85M 0.65%
32 FNMA 30YR 6% 11/01/2054#FA2958 4,269,053 $4.46M 0.60%
33 Freddie Mac Multifamily Structured Pass Through Certificates 4,399,289 $4.40M 0.59%
34 FNMA 30YR 2.5% 09/01/2050#FM4342 4,556,274 $4.03M 0.54%
35 G2 MA6930 4,739,862 $4.02M 0.54%
36 FNMA 30YR 6.5% 07/01/2054#CB8867 3,493,730 $3.70M 0.50%
37 FNMA 30YR 3% 12/01/2049#FM2077 3,962,562 $3.65M 0.49%
38 FNMA 30YR 6% 07/01/2055#FA3377 3,505,797 $3.65M 0.49%
39 CGCMT 2016-P4 A4 3,644,000 $3.63M 0.49%
40 Government National Mortgage Association 4,105,328 $3.61M 0.48%
41 FR SD8106 4,290,176 $3.59M 0.48%
42 FHLG 30YR 6.5% 09/01/2054#SD6617 3,372,570 $3.59M 0.48%
43 BX TRUST BX 3,540,325 $3.54M 0.48%
44 G2 MA7051 3,936,916 $3.34M 0.45%
45 FNMA 30YR 2.5% 04/01/2052#FA2214 3,689,168 $3.25M 0.44%
46 FR SD7530 3,619,262 $3.20M 0.43%
47 FREDDIE MAC POOL FR RA5117 FR 3,648,604 $3.07M 0.41%
48 FHMS K555 SOFR30A+50 11/25/2030 3,000,000 $3.00M 0.40%
49 FHLG 30YR 6% 02/01/2055#SL0360 2,800,318 $2.94M 0.39%
50 FHLG 30YR 5.5% 03/01/2053#SD7559 2,827,878 $2.93M 0.39%
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