# Portfolio overlap — BBAG vs FIFZX

Comparing **JPMorgan BetaBuilders U.S. Aggregate Bond ETF** (2026-02-28) and **Fidelity Series Bond Index Fund** (2026-02-28).

- Shared positions: 614
- JPMorgan BetaBuilders U.S. Aggregate Bond ETF covered by Fidelity Series Bond Index Fund: 0.2289094093103207002719930010
- Fidelity Series Bond Index Fund covered by JPMorgan BetaBuilders U.S. Aggregate Bond ETF: 0.2289094093103207002719930009

## JPMorgan BetaBuilders U.S. Aggregate Bond ETF — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| JPMORGAN US GOVERNMENT MONEY MARKET FUND OPEN-END FUND USD | 0.026716 |  |
| US TREASURY N/B | 0.011978 | ✓ |
| US TREASURY N/B | 0.011045 | ✓ |
| US TREASURY N/B | 0.010623 | ✓ |
| US TREASURY N/B | 0.009170 | ✓ |
| UMBS | 0.008656 |  |
| US TREASURY N/B | 0.008041 | ✓ |
| US TREASURY N/B | 0.007221 | ✓ |
| US TREASURY N/B | 0.006759 | ✓ |
| G2 MA7705 | 0.006719 | ✓ |
| FR SD8193 | 0.006545 |  |
| US TREASURY N/B | 0.006212 | ✓ |
| US TREASURY N/B | 0.006140 | ✓ |
| US TREASURY N/B | 0.006020 |  |
| US TREASURY N/B | 0.005781 | ✓ |
| US TREASURY N/B | 0.005749 | ✓ |
| US TREASURY N/B | 0.005613 | ✓ |
| Freddie Mac Pool | 0.005601 |  |
| US TREASURY N/B | 0.005529 | ✓ |
| US TREASURY N/B | 0.005388 | ✓ |
| US TREASURY N/B | 0.005359 | ✓ |
| US TREASURY N/B | 0.005319 |  |
| US TREASURY N/B | 0.005265 | ✓ |
| US TREASURY N/B | 0.005213 | ✓ |
| US TREASURY N/B | 0.005210 | ✓ |
| US TREASURY N/B | 0.005188 | ✓ |
| US TREASURY N/B | 0.005122 | ✓ |
| US TREASURY N/B | 0.005115 | ✓ |
| US TREASURY N/B | 0.005043 | ✓ |
| US TREASURY N/B | 0.004954 | ✓ |
| US TREASURY N/B | 0.004907 | ✓ |
| US TREASURY N/B | 0.004815 | ✓ |
| G2 MA4837 | 0.004802 | ✓ |
| US TREASURY N/B | 0.004796 | ✓ |
| US TREASURY N/B | 0.004759 | ✓ |
| US TREASURY N/B | 0.004724 | ✓ |
| US TREASURY N/B | 0.004642 | ✓ |
| US TREASURY N/B | 0.004622 | ✓ |
| FNMA UMBS, 30 Year | 0.004593 |  |
| US TREASURY N/B | 0.004567 | ✓ |
| US TREASURY N/B | 0.004411 | ✓ |
| US TREASURY N/B | 0.004397 | ✓ |
| US TREASURY N/B | 0.004367 | ✓ |
| US TREASURY N/B | 0.004219 | ✓ |
| US TREASURY N/B | 0.004198 | ✓ |
| US TREASURY N/B | 0.004149 | ✓ |
| US TREASURY N/B | 0.004122 | ✓ |
| US TREASURY N/B | 0.004121 | ✓ |
| US TREASURY N/B | 0.004073 |  |
| US TREASURY N/B | 0.004035 | ✓ |

## Fidelity Series Bond Index Fund — top positions

| Security | Weight | Shared |
|----------|--------|--------|
| US TREASURY N/B | 0.011257 |  |
| US TREASURY N/B | 0.010648 |  |
| US TREASURY N/B | 0.009228 | ✓ |
| US TREASURY N/B | 0.008011 |  |
| US TREASURY N/B | 0.007152 |  |
| US TREASURY N/B | 0.006840 |  |
| US TREASURY N/B | 0.006594 | ✓ |
| Fidelity Cash Central Fund | 0.006318 |  |
| US TREASURY N/B | 0.006218 |  |
| US TREASURY N/B | 0.006205 |  |
| US TREASURY N/B | 0.006178 | ✓ |
| Fidelity Securities Lending Cash Central Fund | 0.005920 |  |
| US TREASURY N/B | 0.005903 | ✓ |
| US TREASURY N/B | 0.005772 |  |
| US TREASURY N/B | 0.005443 |  |
| US TREASURY N/B | 0.005260 | ✓ |
| US TREASURY N/B | 0.005202 | ✓ |
| US TREASURY N/B | 0.004961 | ✓ |
| US TREASURY N/B | 0.004954 |  |
| US TREASURY N/B | 0.004949 |  |
| US TREASURY N/B | 0.004926 | ✓ |
| FR SD8121 | 0.004907 |  |
| US TREASURY N/B | 0.004843 | ✓ |
| US TREASURY N/B | 0.004554 | ✓ |
| US TREASURY N/B | 0.004535 |  |
| US TREASURY N/B | 0.004417 | ✓ |
| US TREASURY N/B | 0.004405 | ✓ |
| US TREASURY N/B | 0.004379 | ✓ |
| US TREASURY N/B | 0.004205 |  |
| US TREASURY N/B | 0.004121 | ✓ |
| US TREASURY N/B | 0.003897 | ✓ |
| US TREASURY N/B | 0.003895 | ✓ |
| US TREASURY N/B | 0.003890 |  |
| US TREASURY N/B | 0.003882 | ✓ |
| US TREASURY N/B | 0.003846 | ✓ |
| US TREASURY N/B | 0.003830 |  |
| US TREASURY N/B | 0.003818 |  |
| US TREASURY N/B | 0.003748 | ✓ |
| US TREASURY N/B | 0.003696 | ✓ |
| US TREASURY N/B | 0.003667 | ✓ |
| US TREASURY N/B | 0.003631 | ✓ |
| US TREASURY N/B | 0.003625 |  |
| US TREASURY N/B | 0.003611 | ✓ |
| US TREASURY N/B | 0.003608 |  |
| US TREASURY N/B | 0.003580 |  |
| US TREASURY N/B | 0.003496 | ✓ |
| US TREASURY N/B | 0.003480 | ✓ |
| US TREASURY N/B | 0.003479 | ✓ |
| G2SF 5 3/25 | 0.003405 | ✓ |
| US TREASURY N/B | 0.003367 |  |


## Sources

- N-PORT (fund A) — accession `0002071691-26-009305` (as of 2026-02-28)
  <https://www.sec.gov/Archives/edgar/data/1485894/000207169126009305/0002071691-26-009305-index.htm>
- N-PORT (fund B) — accession `0000035402-26-002627` (as of 2026-02-28)
  <https://www.sec.gov/Archives/edgar/data/35315/000003540226002627/0000035402-26-002627-index.htm>

---

_Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them._

_Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC._

_Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed. See <https://fundwatcher.app/terms/>_