FundWatcher
JMBS
Janus Henderson Mortgage-Backed Securities ETF
Janus Detroit Street Trust
ETF

Portfolio concentration

As of January 31, 2026 · N-PORT
Holdings
631
Top-10 weight
36.43%
Effective holdings ?
42
Crowding ?
26.7

Holdings

As of January 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 Uniform Mortgage-Backed Security, TBA FNMA 1,518,344,894 $1.29B 19.52%
2 Government National Mortgage Association GNR 724,131,414 $627.07M 9.50%
3 Uniform Mortgage-Backed Security, TBA FNMA 472,324,765 $483.59M 7.33%
4 Government National Mortgage Association, TBA GNR 411,201,194 $410.95M 6.23%
5 FNCL 3 2/26 — 399,791,032 $354.19M 5.37%
6 Uniform Mortgage-Backed Security, TBA FNMA 378,232,255 $306.66M 4.65%
7 FNCL 3.5 2/26 — 206,200,000 $190.66M 2.89%
8 UMBS, 30 Year — 182,782,552 $186.70M 2.83%
9 TBA GNMA 30 YR 5.50000000 GNR 183,586,000 $185.57M 2.81%
10 GOVERNMENT NATIONAL MORTGAGE ASSOCIATION 30YR TBA FEB GNR 203,159,962 $183.28M 2.78%
11 Uniform Mortgage-Backed Security, TBA FNMA 176,782,000 $176.69M 2.68%
12 FNR 2025-12 FC FNMA 150,244,245 $151.41M 2.29%
13 Government National Mortgage Association, TBA GNR 147,859,377 $135.41M 2.05%
14 UMBS, 30 Year — 131,045,094 $132.41M 2.01%
15 UMBS, 30 Year — 117,847,444 $121.96M 1.85%
16 Government National Mortgage Association, TBA GNR 124,302,488 $121.34M 1.84%
17 Uniform Mortgage-Backed Security, TBA FNMA 136,348,322 $120.71M 1.83%
18 UMBS, 30 Year — 117,110,671 $116.52M 1.77%
19 UMBS, 30 Year — 111,126,768 $112.29M 1.70%
20 Government National Mortgage Association, TBA GNR 114,954,688 $108.70M 1.65%
21 Uniform Mortgage-Backed Securities FNMA 111,948,465 $108.29M 1.64%
22 Uniform Mortgage-Backed Security, TBA FNMA 104,710,241 $102.55M 1.55%
23 Uniform Mortgage-Backed Securities FN 105,535,647 $102.08M 1.55%
24 Uniform Mortgage-Backed Security, TBA FNMA 92,975,000 $96.28M 1.46%
25 UMBS, 30 Year — 86,081,507 $88.99M 1.35%
26 UMBS, 30 Year — 85,831,015 $88.53M 1.34%
27 UMBS, 30 Year — 82,161,525 $81.75M 1.24%
28 UMBS, 30 Year — 75,414,925 $77.70M 1.18%
29 UMBS Pool, 30 Year FHLMC 75,065,265 $77.39M 1.17%
30 UMBS, 30 Year FR 80,242,311 $77.31M 1.17%
31 Uniform Mortgage-Backed Security, TBA — 84,405,445 $71.60M 1.08%
32 UMBS, 30 Year — 69,491,747 $71.56M 1.08%
33 UMBS, 30 Year — 68,533,007 $70.59M 1.07%
34 UMBS, 30 Year — 65,485,152 $67.54M 1.02%
35 UMBS, 30 Year — 57,366,828 $59.00M 0.89%
36 UMBS, 30 Year — 55,406,710 $57.70M 0.87%
37 UMBS, 30 Year — 55,412,400 $56.58M 0.86%
38 Uniform Mortgage-Backed Security, TBA FNMA 59,068,000 $54.56M 0.83%
39 UMBS, 30 Year — 51,304,347 $51.84M 0.79%
40 UMBS, 30 Year — 50,019,624 $51.48M 0.78%
41 UMBS, 30 Year — 50,539,081 $51.07M 0.77%
42 UMBS, 30 Year — 50,839,639 $50.89M 0.77%
43 FNMA, REMIC, Series 2025-9, Class FA — 49,780,873 $50.24M 0.76%
44 UMBS, 30 Year — 47,026,090 $48.54M 0.74%
45 UMBS, 30 Year — 47,378,662 $48.39M 0.73%
46 UMBS, 30 Year — 46,847,004 $47.45M 0.72%
47 UMBS, 30 Year — 46,597,358 $47.20M 0.72%
48 STACR 2022-DNA2 M2 STACR 45,174,272 $46.47M 0.70%
49 UMBS, 30 Year — 44,666,476 $45.92M 0.70%
50 UMBS, 30 Year — 45,352,320 $45.85M 0.69%
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