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Fidelity Series Bond Index Fund (FIFZX)

SEC CIK 35315 · Series S000065215 · Portfolio as of 2026-05-31

Net assets
$34.05B
Holdings
10036
Snapshots
27
History since
2019-11-30

Top holdings

SecurityValueWeight
UST NOTES · T 3.875 04/15/29$394.0M1.14%
UST NOTES · T 3.75 05/15/28$381.1M1.11%
UST NOTES · T 4.625 06/15/27$376.4M1.09%
UST NOTES · T 4.125 02/15/36$372.3M1.08%
UST NOTES · T 3.5 01/15/29$358.9M1.04%
UNITED STATES TREASURY BOND · T 4.5 02/15/44$300.8M0.87%
UST NOTES · T 3.875 06/15/28$270.9M0.79%
UST NOTES · T 4.125 04/30/33$248.3M0.72%
UNITED STATES TREASURY BOND · T 4.625 02/15/46$247.2M0.72%
UNITED STATES TREASURY BOND · T 5 05/15/45$232.8M0.68%

Sector exposure

fixed income
73.6%
other
26.1%

Recent monthly returns

2025-12
-0.32%
2026-01
+0.23%
2026-02
+1.63%
2026-03
-1.72%
2026-04
+0.11%
2026-05
+0.35%

From N-PORT Part B, units verified by net-asset reconciliation.

Get this data via API

curl "https://api.fundlens.io/v1/funds/FIFZX/holdings" \
  -H "x-api-key: your_api_key"

Full holdings, every historical snapshot, point-in-time queries, monthly returns and flows — free tier available, no card required.

Source: SEC EDGAR Form N-PORT. Data is quarterly with a regulatory filing lag; this page shows the most recent public filing. Not investment advice.