CORB
AB Core Bond ETF
AB Active ETFs, Inc.
ETF

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
624
Top-10 weight
24.76%
Effective holdings ?
58
Crowding ?
108.8

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 U.S. Treasury Bills B 114,752,600 $114.31M 12.01%
2 Uniform Mortgage-Backed Security, TBA 25,393,323 $21.03M 2.21%
3 US TREASURY N/B 16,977,200 $17.39M 1.83%
4 Government National Mortgage Association, TBA G2SF 19,151,421 $16.90M 1.77%
5 US TREASURY N/B 15,941,700 $16.03M 1.68%
6 US TREASURY N/B 14,895,600 $15.60M 1.64%
7 US TREASURY N/B 12,566,800 $13.04M 1.37%
8 G2SF 5 3/25 12,560,719 $12.60M 1.32%
9 US TREASURY N/B 12,176,300 $12.49M 1.31%
10 US TREASURY N/B 11,579,500 $11.71M 1.23%
11 US TREASURY N/B 10,740,000 $10.86M 1.14%
12 FED HOME LN BANK 10,600,000 $10.74M 1.13%
13 U.S. TREASURY INFLATION-PROTECTED SECURITIES .25% 07/15/29 TII 10,576,127 $10.35M 1.09%
14 FNCL 5.5 3/25 10,001,137 $10.16M 1.07%
15 Uniform Mortgage-Backed Security, TBA 11,043,796 $9.56M 1.00%
16 US TREASURY N/B 8,684,500 $8.95M 0.94%
17 JAPAN GOVT 30-YR 1,658,300,000 $8.76M 0.92%
18 US TREASURY N/B 8,268,500 $8.29M 0.87%
19 US TREASURY N/B 7,850,900 $7.93M 0.83%
20 US TREASURY N/B 8,105,000 $7.57M 0.80%
21 Government National Mortgage Association, TBA GNR 7,343,124 $7.49M 0.79%
22 US TREASURY N/B 7,358,900 $7.42M 0.78%
23 US TREASURY N/B 7,167,300 $7.38M 0.78%
24 Ginnie Mae 7,444,839 $7.35M 0.77%
25 US TREASURY N/B 10,858,000 $7.08M 0.74%
26 US TREASURY N/B 7,122,900 $7.01M 0.74%
27 Uniform Mortgage-Backed Security, TBA FNMA 7,481,160 $6.76M 0.71%
28 FN MA4492 8,072,245 $6.74M 0.71%
29 US TREASURY N/B 6,399,800 $6.53M 0.69%
30 US TREASURY N/B 6,168,800 $6.33M 0.66%
31 U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030 TII 6,175,163 $5.94M 0.62%
32 US TREASURY N/B 6,591,400 $5.74M 0.60%
33 US TREASURY N/B 5,930,600 $5.60M 0.59%
34 US TREASURY N/B 9,349,400 $5.59M 0.59%
35 GNII II 5.5% 03/01/2056 #TBA 5,035,554 $5.10M 0.54%
36 US TREASURY N/B 5,052,600 $5.04M 0.53%
37 FNCL 6 3/24 4,885,969 $5.01M 0.53%
38 US TREASURY N/B 5,131,300 $4.81M 0.50%
39 UMBS 5,541,275 $4.63M 0.49%
40 US TREASURY N/B 4,498,700 $4.57M 0.48%
41 UMBS 4,930,090 $4.51M 0.47%
42 US TREASURY N/B 4,430,500 $4.33M 0.45%
43 UMBS 5,114,969 $4.29M 0.45%
44 US TREASURY N/B 5,490,000 $4.24M 0.45%
45 US TREASURY N/B 4,595,600 $3.86M 0.41%
46 US TREASURY N/B 5,327,100 $3.84M 0.40%
47 US TREASURY N/B 3,914,300 $3.83M 0.40%
48 US TREASURY N/B 3,790,000 $3.78M 0.40%
49 US TREASURY N/B 3,998,700 $3.71M 0.39%
50 UMBS 3,987,406 $3.65M 0.38%
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