# Portfolio overlap — FNDSX vs LUTAX

Comparing **Fidelity Sustainability Bond Index Fund** (2026-02-28) and **Columbia U.S. Treasury Index Fund** (2026-01-31).

- Shared positions: 221
- Fidelity Sustainability Bond Index Fund covered by Columbia U.S. Treasury Index Fund: 0.3217839430978026320637174780
- Columbia U.S. Treasury Index Fund covered by Fidelity Sustainability Bond Index Fund: 0.3217839430978026320637174780

## Fidelity Sustainability Bond Index Fund — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.021359 |  |
| US TREASURY N/B | 0.012976 | ✓ |
| Fidelity Cash Central Fund | 0.012516 |  |
| US TREASURY N/B | 0.009316 | ✓ |
| US TREASURY N/B | 0.008968 |  |
| US TREASURY N/B | 0.007948 | ✓ |
| US TREASURY N/B | 0.007338 | ✓ |
| US TREASURY N/B | 0.007194 | ✓ |
| US TREASURY N/B | 0.006813 | ✓ |
| US TREASURY N/B | 0.006726 | ✓ |
| US TREASURY N/B | 0.006624 | ✓ |
| US TREASURY N/B | 0.006541 | ✓ |
| US TREASURY N/B | 0.005905 | ✓ |
| US TREASURY N/B | 0.005704 | ✓ |
| US TREASURY N/B | 0.005509 | ✓ |
| US TREASURY N/B | 0.005477 | ✓ |
| US TREASURY N/B | 0.005467 | ✓ |
| US TREASURY N/B | 0.005366 | ✓ |
| US TREASURY N/B | 0.005251 | ✓ |
| US TREASURY N/B | 0.004939 | ✓ |
| US TREASURY N/B | 0.004874 | ✓ |
| US TREASURY N/B | 0.004851 | ✓ |
| US TREASURY N/B | 0.004708 | ✓ |
| US TREASURY N/B | 0.004697 | ✓ |
| US TREASURY N/B | 0.004691 | ✓ |
| US TREASURY N/B | 0.004631 |  |
| US TREASURY N/B | 0.004441 |  |
| US TREASURY N/B | 0.004405 | ✓ |
| US TREASURY N/B | 0.004363 | ✓ |
| US TREASURY N/B | 0.004243 | ✓ |
| US TREASURY N/B | 0.004215 | ✓ |
| US TREASURY N/B | 0.003988 | ✓ |
| US TREASURY N/B | 0.003983 | ✓ |
| US TREASURY N/B | 0.003902 | ✓ |
| US TREASURY N/B | 0.003865 | ✓ |
| US TREASURY N/B | 0.003841 | ✓ |
| US TREASURY N/B | 0.003834 | ✓ |
| US TREASURY N/B | 0.003800 | ✓ |
| US TREASURY N/B | 0.003780 | ✓ |
| US TREASURY N/B | 0.003774 | ✓ |
| US TREASURY N/B | 0.003741 | ✓ |
| US TREASURY N/B | 0.003713 | ✓ |
| US TREASURY N/B | 0.003646 | ✓ |
| US TREASURY N/B | 0.003644 | ✓ |
| FN MA4208 | 0.003514 |  |
| US TREASURY N/B | 0.003495 | ✓ |
| US TREASURY N/B | 0.003390 | ✓ |
| US TREASURY N/B | 0.003388 | ✓ |
| US TREASURY N/B | 0.003380 | ✓ |
| G2SF 5 3/25 | 0.003329 |  |

## Columbia U.S. Treasury Index Fund — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.009020 | ✓ |
| US TREASURY N/B | 0.008851 | ✓ |
| US TREASURY N/B | 0.008754 | ✓ |
| US TREASURY N/B | 0.008742 | ✓ |
| US TREASURY N/B | 0.008599 | ✓ |
| US TREASURY N/B | 0.008530 | ✓ |
| US TREASURY N/B | 0.008526 | ✓ |
| US TREASURY N/B | 0.008426 | ✓ |
| US TREASURY N/B | 0.007907 | ✓ |
| US TREASURY N/B | 0.007666 | ✓ |
| US TREASURY N/B | 0.007246 | ✓ |
| US TREASURY N/B | 0.007039 |  |
| US TREASURY N/B | 0.007032 |  |
| US TREASURY N/B | 0.007031 | ✓ |
| US TREASURY N/B | 0.007027 | ✓ |
| US TREASURY N/B | 0.006976 |  |
| US TREASURY N/B | 0.006954 | ✓ |
| US TREASURY N/B | 0.006949 | ✓ |
| US TREASURY N/B | 0.006884 | ✓ |
| US TREASURY N/B | 0.006625 | ✓ |
| US TREASURY N/B | 0.006609 |  |
| US TREASURY N/B | 0.006520 |  |
| US TREASURY N/B | 0.006445 | ✓ |
| US TREASURY N/B | 0.005704 | ✓ |
| US TREASURY N/B | 0.005431 |  |
| US TREASURY N/B | 0.005426 |  |
| US TREASURY N/B | 0.005338 |  |
| US TREASURY N/B | 0.005302 | ✓ |
| US TREASURY N/B | 0.005281 |  |
| US TREASURY N/B | 0.005159 | ✓ |
| US TREASURY N/B | 0.005133 | ✓ |
| US TREASURY N/B | 0.005131 | ✓ |
| US TREASURY N/B | 0.005119 |  |
| US TREASURY N/B | 0.005119 | ✓ |
| US TREASURY N/B | 0.005108 | ✓ |
| US TREASURY N/B | 0.005084 | ✓ |
| US TREASURY N/B | 0.005080 | ✓ |
| US TREASURY N/B | 0.005058 | ✓ |
| US TREASURY N/B | 0.005057 | ✓ |
| US TREASURY N/B | 0.005052 | ✓ |
| US TREASURY N/B | 0.005035 | ✓ |
| US TREASURY N/B | 0.005035 |  |
| US TREASURY N/B | 0.005028 | ✓ |
| US TREASURY N/B | 0.005000 |  |
| US TREASURY N/B | 0.004996 | ✓ |
| US TREASURY N/B | 0.004982 |  |
| US TREASURY N/B | 0.004978 | ✓ |
| US TREASURY N/B | 0.004951 |  |
| US TREASURY N/B | 0.004949 | ✓ |
| US TREASURY N/B | 0.004947 |  |


## Sources

- N-PORT (fund A) — accession `0000035402-26-002631` (as of 2026-02-28)
  <https://www.sec.gov/Archives/edgar/data/35315/000003540226002631/0000035402-26-002631-index.htm>
- N-PORT (fund B) — accession `0001410368-26-033335` (as of 2026-01-31)
  <https://www.sec.gov/Archives/edgar/data/773757/000141036826033335/0001410368-26-033335-index.htm>

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