FL
FundLens

FundLens / Funds / FSMAX

Fidelity Extended Market Index Fund (FSMAX)

SEC CIK 819118 · Series S000006021 · Portfolio as of 2026-05-31

Net assets
$42.73B
Holdings
3364
Snapshots
27
History since
2019-11-30

Top holdings

SecurityValueWeight
Fidelity Revere Street Trust$2.35B5.21%
MARVELL TECHNOLOGY INC · MRVL$922.0M2.05%
SNOWFLAKE INC · SNOW$450.9M1.00%
CLOUDFLARE INC · NET$395.8M0.88%
BLOOM ENERGY CORP · BE$379.4M0.84%
ROCKET LAB CORP · RKLB$347.9M0.77%
FLEX LTD · FLEX$285.8M0.63%
STRATEGY INC · MSTR$257.2M0.57%
CHENIERE ENERGY INC · LNG$249.5M0.55%
ASTERA LABS INC · ALAB$234.8M0.52%

Sector exposure

technology
28.7%
financials
18.9%
healthcare
14.3%
industrials
12.6%
other
6.3%
consumer discretionary
5.4%
utilities
3.1%
energy
3.1%

Recent monthly returns

2025-12
-0.53%
2026-01
+2.40%
2026-02
+1.06%
2026-03
-4.59%
2026-04
+9.92%
2026-05
+4.46%

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

Get this data via API

curl "https://api.fundlens.io/v1/funds/FSMAX/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.