# Portfolio overlap — FSBD vs XTEN

Comparing **Fidelity Sustainable Core Plus Bond ETF** (2025-08-31) and **BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF** (2026-01-31).

- Shared positions: 10
- Fidelity Sustainable Core Plus Bond ETF covered by BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF: 0.1125008226154541488721918050
- BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF covered by Fidelity Sustainable Core Plus Bond ETF: 0.1125008226154541488721918050

## Fidelity Sustainable Core Plus Bond ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| Fidelity Cash Central Fund | 0.068633 |  |
| US TREASURY N/B | 0.052942 |  |
| US TREASURY N/B | 0.049526 | ✓ |
| US TREASURY N/B | 0.027208 | ✓ |
| Uniform Mortgage-Backed Security, TBA | 0.025543 |  |
| Government National Mortgage Association, TBA | 0.021232 |  |
| SYMPHONY CLO XXVI LTD / SYMPHONY CLO XXVI LLC AR TSFR3M+134.161 04/20/2033 144A | 0.018289 |  |
| US TREASURY N/B | 0.018109 | ✓ |
| FNCL 2 10/25 | 0.016531 |  |
| US TREASURY N/B | 0.015106 |  |
| US TREASURY N/B | 0.014351 | ✓ |
| Uniform Mortgage-Backed Security, TBA | 0.014140 |  |
| US TREASURY N/B | 0.012789 |  |
| ALLEGRO CLO XV LTD / ALLEGRO CLO VX LLC A1R TSFR3M+118 04/20/2038 144A | 0.011356 |  |
| NATWEST GROUP PLC 2.057%/VAR 11/09/2028 REGS | 0.009693 |  |
| G2SF 6 10/25 | 0.009642 |  |
| FNCL 2.5 10/25 | 0.009428 |  |
| BXHPP 2021-FILM A | 0.009145 |  |
| US TREASURY N/B | 0.008940 |  |
| US TREASURY N/B | 0.008869 |  |
| AIB GROUP PLC EUR REG S SUB (B) 2.875% 05-30-31/26 | 0.008858 |  |
| TELEFONICA EUROPE BV 2.502%/VAR PERP REGS | 0.008723 |  |
| BNP Paribas SA | 0.008143 |  |
| NISOURCE INC | 0.007866 |  |
| VONOVIA SE 0.625% 03/24/2031 REGS | 0.007711 |  |
| GENERAL MILLS IN | 0.007652 |  |
| CEDF 2016-6A ARR TSFR3M+131.161 04/20/2034 144A | 0.007573 |  |
| EQUITABLE FINANC | 0.007386 |  |
| MRSH 2.375 12/15/31 | 0.007377 |  |
| VERIZON COMM INC | 0.007322 |  |
| AMGEN INC | 0.007285 |  |
| US TREASURY N/B | 0.006847 |  |
| Uniform Mortgage-Backed Security, TBA | 0.006840 |  |
| US TREASURY N/B | 0.006112 |  |
| US TREASURY N/B | 0.006051 |  |
| G2 MA7534 | 0.005815 |  |
| FN MA4562 | 0.005744 |  |
| FR SD8515 | 0.005570 |  |
| NORTHERN ST PR-M | 0.005503 |  |
| CON EDISON CO | 0.005503 |  |
| DOMINION ENERGY | 0.005336 |  |
| GOLDMAN SACHS GP | 0.005244 |  |
| AES CORP/THE | 0.005231 |  |
| HUMANA INC | 0.005193 |  |
| CARRIER GLOBAL | 0.005184 |  |
| US TREASURY N/B | 0.005051 | ✓ |
| WISCONSIN ELECTR | 0.005018 |  |
| ASTRAZENECA FIN | 0.005012 |  |
| Uniform Mortgage-Backed Securities | 0.004975 |  |
| US TREASURY N/B | 0.004937 |  |

## BondBloxx Bloomberg Ten Year Target Duration US Treasury ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.041241 |  |
| US TREASURY N/B | 0.040094 | ✓ |
| US TREASURY N/B | 0.039842 | ✓ |
| US TREASURY N/B | 0.039648 | ✓ |
| US TREASURY N/B | 0.039413 | ✓ |
| US TREASURY N/B | 0.038524 | ✓ |
| US TREASURY N/B | 0.038391 | ✓ |
| US TREASURY N/B | 0.037429 |  |
| US TREASURY N/B | 0.037401 |  |
| US TREASURY N/B | 0.030751 | ✓ |
| US TREASURY N/B | 0.030320 | ✓ |
| US TREASURY N/B | 0.027772 |  |
| US TREASURY N/B | 0.026831 |  |
| US TREASURY N/B | 0.025421 | ✓ |
| US TREASURY N/B | 0.023097 |  |
| US TREASURY N/B | 0.022189 |  |
| US TREASURY N/B | 0.021517 |  |
| US TREASURY N/B | 0.019099 |  |
| US TREASURY N/B | 0.018496 |  |
| US TREASURY N/B | 0.018467 |  |
| US TREASURY N/B | 0.017461 |  |
| US TREASURY N/B | 0.017221 |  |
| US TREASURY N/B | 0.016696 |  |
| US TREASURY N/B | 0.016310 | ✓ |
| US TREASURY N/B | 0.015919 |  |
| US TREASURY N/B | 0.015319 |  |
| US TREASURY N/B | 0.014485 |  |
| US TREASURY N/B | 0.014178 |  |
| US TREASURY N/B | 0.014045 |  |
| US TREASURY N/B | 0.012259 |  |
| US TREASURY N/B | 0.012243 |  |
| US TREASURY N/B | 0.012073 |  |
| US TREASURY N/B | 0.011463 |  |
| US TREASURY N/B | 0.011377 |  |
| US TREASURY N/B | 0.011277 |  |
| US TREASURY N/B | 0.011004 |  |
| US TREASURY N/B | 0.010214 |  |
| US TREASURY N/B | 0.009979 |  |
| US TREASURY N/B | 0.009443 |  |
| US TREASURY N/B | 0.008833 |  |
| US TREASURY N/B | 0.007566 |  |
| US TREASURY N/B | 0.007231 |  |
| US TREASURY N/B | 0.007095 |  |
| US TREASURY N/B | 0.006433 |  |
| US TREASURY N/B | 0.006256 |  |
| US TREASURY N/B | 0.006078 |  |
| US TREASURY N/B | 0.005868 |  |
| US TREASURY N/B | 0.005733 |  |
| US TREASURY N/B | 0.005681 |  |
| US TREASURY N/B | 0.005678 |  |


## Sources

- N-PORT (fund A) — accession `0000035402-25-001434` (as of 2025-08-31)
  <https://www.sec.gov/Archives/edgar/data/1562565/000003540225001434/0000035402-25-001434-index.htm>
- N-PORT (fund B) — accession `0001003715-26-001145` (as of 2026-01-31)
  <https://www.sec.gov/Archives/edgar/data/1879238/000100371526001145/0001003715-26-001145-index.htm>

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