FundWatcher
SYSB
iShares Systematic Bond ETF
iShares Trust
ETFIndex fund

Portfolio concentration

As of January 31, 2026 · N-PORT
Holdings
893
Top-10 weight
33.86%
Effective holdings ?
60
Crowding ?
165.1

Holdings

As of January 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 BlackRock Cash Funds: Treasury, SL Agency Shares — 68,140,943 $68.18M 8.53%
2 US TREASURY N/B — 50,240,500 $50.67M 6.34%
3 BlackRock Cash Funds: Institutional, SL Agency Shares BISXX 32,584,167 $32.60M 4.08%
4 US TREASURY N/B — 49,837,400 $31.17M 3.90%
5 US TREASURY N/B — 32,975,900 $28.68M 3.59%
6 US TREASURY N/B — 34,493,700 $24.58M 3.07%
7 US TREASURY N/B — 17,886,200 $17.93M 2.24%
8 US TREASURY N/B — 21,916,100 $16.17M 2.02%
9 US TREASURY N/B — 14,900,000 $14.00M 1.75%
10 US TREASURY N/B — 19,589,400 $13.63M 1.70%
11 US TREASURY N/B — 24,695,900 $13.60M 1.70%
12 US TREASURY N/B — 22,182,900 $13.40M 1.68%
13 US TREASURY N/B — 18,725,700 $13.35M 1.67%
14 FR SD8199 — 10,771,959 $8.77M 1.10%
15 US TREASURY N/B — 13,180,000 $7.53M 0.94%
16 FNMA 30YR 6% 09/01/2054#CB9216 — 5,343,063 $5.48M 0.69%
17 Uniform Mortgage-Backed Security, TBA FNMA 5,443,187 $5.03M 0.63%
18 FNCL 3 2/26 — 5,575,000 $4.94M 0.62%
19 G2 MA7767 — 5,288,288 $4.58M 0.57%
20 Uniform Mortgage-Backed Security, TBA FNMA 5,280,000 $4.48M 0.56%
21 Uniform Mortgage-Backed Security, TBA FNMA 5,145,000 $4.17M 0.52%
22 Fannie Mae Pool — 3,809,189 $4.01M 0.50%
23 Uniform Mortgage-Backed Security, TBA FNMA 3,925,000 $3.84M 0.48%
24 Uniform Mortgage-Backed Security, TBA FNMA 3,625,000 $3.46M 0.43%
25 Uniform Mortgage-Backed Securities — 3,896,165 $3.20M 0.40%
26 G2 MA7534 — 3,617,555 $3.14M 0.39%
27 G2 MB0746 — 2,984,847 $3.02M 0.38%
28 Uniform Mortgage-Backed Security, TBA FNMA 2,825,000 $2.86M 0.36%
29 Fannie Mae Pool — 2,623,000 $2.68M 0.34%
30 G2 MA7535 — 2,715,516 $2.45M 0.31%
31 Government National Mortgage Association GNR 2,950,000 $2.45M 0.31%
32 Fannie Mae Pool — 2,824,498 $2.31M 0.29%
33 Freddie Mac Pool — 2,294,848 $2.31M 0.29%
34 Government National Mortgage Association, TBA GNR 2,310,000 $2.31M 0.29%
35 Freddie Mac Pool — 2,349,131 $2.21M 0.28%
36 Freddie Mac Pool — 2,014,343 $2.10M 0.26%
37 FN MA4306 — 2,304,610 $1.97M 0.25%
38 Uniform Mortgage-Backed Security, TBA FNMA 1,925,000 $1.92M 0.24%
39 JPMORGAN CHASE — 1,893,000 $1.91M 0.24%
40 G2 MB0145 — 1,912,501 $1.87M 0.23%
41 Freddie Mac Pool — 1,888,847 $1.78M 0.22%
42 Uniform Mortgage-Backed Securities FN 2,036,965 $1.74M 0.22%
43 FN FM3719 FNMA 1,829,317 $1.72M 0.21%
44 G2 MA7051 — 2,015,583 $1.68M 0.21%
45 Uniform Mortgage-Backed Securities — 1,628,113 $1.67M 0.21%
46 Government National Mortgage Association, TBA GNR 1,725,000 $1.63M 0.20%
47 TBA GNMA 30 YR 5.50000000 GNR 1,575,000 $1.59M 0.20%
48 FNMA POOL FM0076 FN 03/50 FIXED VAR — 1,740,012 $1.57M 0.20%
49 FANNIE MAE POOL FN FS9491 FN 1,602,405 $1.52M 0.19%
50 FNMA POOL CB8013 FN 02/54 FIXED 6.5 — 1,448,415 $1.52M 0.19%
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