Fidelity Extended Market Index Fund (FSMAX) is an MF managed by Fidelity. Its largest position is FIDELITY REVERE STREET TRUST (null), representing 5.53% of fund assets.
Fidelity Extended Market Index Fund Portfolio Holdings
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- FSMAX
- Type:
- MF
- Manager:
- Fidelity
- Total Assets:
- —
- Report Date:
- Feb 28, 2026
- Filing Date:
- Apr 24, 2026
| Holding | Weight | Market Value | Shares |
|---|---|---|---|
|
-
FIDELITY REVERE STREET TRUST
|
5.53% | $2,265,848,955.41 | 2,265,622,393 |
|
-
Vertiv Holdings Co
|
1.25% | $510,291,564.23 | 2,002,007 |
|
-
Marvell Technology, Inc.
|
0.90% | $368,750,783.94 | 4,514,026 |
|
-
Snowflake Inc.
|
0.73% | $299,488,386.89 | 1,778,329 |
|
-
Cloudflare, Inc.
|
0.70% | $284,650,904.99 | 1,653,121 |
|
-
Ferguson Enterprises Inc. /DE/
|
0.65% | $267,516,030.84 | 1,025,909 |
|
-
Cheniere Energy, Inc.
|
0.65% | $265,342,166.87 | 1,125,619 |
|
-
Lumentum Holdings Inc.
|
0.64% | $260,235,967.53 | 371,283 |
|
-
Roblox Corp
|
0.57% | $235,197,782.38 | 3,425,543 |
|
-
ALNYLAM PHARMACEUTICALS, INC.
|
0.56% | $230,301,737.96 | 691,763 |
|
-
COHERENT CORP.
|
0.52% | $213,083,595.27 | 822,939 |
|
-
Strategy Inc
|
0.44% | $182,114,555.00 | 1,406,290 |
|
-
Bloom Energy Corp
|
0.43% | $177,548,640.15 | 1,140,545 |
|
-
Amrize Ltd
|
0.43% | $175,030,938.02 | 2,693,198 |
|
-
Rocket Lab Corp
|
0.42% | $170,374,480.20 | 2,465,622 |
|
-
INSMED Inc
|
0.41% | $166,853,576.84 | 1,117,348 |
|
-
FTAI Aviation Ltd.
|
0.40% | $164,161,085.00 | 536,825 |
|
-
Natera, Inc.
|
0.37% | $150,346,347.20 | 722,680 |
|
-
VEEVA SYSTEMS INC
|
0.36% | $145,491,331.59 | 799,359 |
|
-
MongoDB, Inc.
|
0.34% | $139,901,613.93 | 425,919 |
|
-
TechnipFMC plc
|
0.34% | $139,684,004.30 | 2,106,530 |
|
-
MARKEL GROUP INC.
|
0.33% | $136,264,902.50 | 65,750 |
|
-
Coupang, Inc.
|
0.33% | $134,922,464.64 | 7,071,408 |
|
-
CURTISS WRIGHT CORP
|
0.33% | $134,889,860.97 | 192,609 |
|
-
CASEYS GENERAL STORES INC
|
0.33% | $133,295,835.75 | 194,425 |
|
-
XPO, Inc.
|
0.32% | $129,169,858.87 | 613,721 |
|
-
ROYAL GOLD INC
|
0.31% | $127,130,746.14 | 424,066 |
|
-
LPL Financial Holdings Inc.
|
0.31% | $125,715,337.98 | 418,521 |
|
-
FLEX LTD.
|
0.30% | $121,993,422.78 | 1,935,789 |
|
-
Woodward, Inc.
|
0.30% | $121,212,131.04 | 313,404 |
|
-
SoFi Technologies, Inc.
|
0.29% | $117,609,028.80 | 6,622,130 |
|
-
ATI INC
|
0.28% | $116,221,043.19 | 710,441 |
|
-
UNITED THERAPEUTICS Corp
|
0.28% | $113,473,241.00 | 225,190 |
|
-
US Foods Holding Corp.
|
0.28% | $112,653,829.48 | 1,166,068 |
|
-
TENET HEALTHCARE CORP
|
0.27% | $110,170,390.07 | 460,213 |
|
-
ILLUMINA, INC.
|
0.26% | $107,474,550.30 | 799,305 |
|
-
Liberty Media Corp
|
0.26% | $106,898,169.42 | 1,167,138 |
|
-
ENTEGRIS INC
|
0.26% | $105,151,260.30 | 793,894 |
|
-
Everpure, Inc.
|
0.26% | $105,017,745.82 | 1,635,281 |
|
-
CARPENTER TECHNOLOGY CORP
|
0.25% | $103,811,879.16 | 260,788 |
|
-
EXACT SCIENCES CORPORATION
|
0.25% | $102,492,275.94 | 991,413 |
|
-
Fabrinet
|
0.25% | $102,414,751.00 | 187,700 |
|
-
AST SpaceMobile, Inc.
|
0.24% | $100,036,371.55 | 1,263,245 |
|
-
FIRST CITIZENS BANCSHARES INC /DE/
|
0.24% | $99,992,643.85 | 52,679 |
|
-
Burlington Stores, Inc.
|
0.24% | $99,913,803.30 | 325,590 |
|
-
nVent Electric plc
|
0.24% | $99,850,981.56 | 843,621 |
|
-
BWX Technologies, Inc.
|
0.24% | $98,482,951.62 | 478,119 |
|
-
SOMNIGROUP INTERNATIONAL INC.
|
0.24% | $98,223,619.48 | 1,097,348 |
|
-
RB GLOBAL INC.
|
0.24% | $97,919,589.60 | 969,885 |
|
-
HEINEKEN N.V.
|
0.24% | $97,854,189.29 | 407,539 |
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