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Schwab U.S. Mid-Cap Index Fund (SWMCX) Holdings

Mutual Fund · Currency in USD · Last updated Jul 14, 2026

To pursue its goal, the fund generally invests in securities that are included in the Russell Midcap Index. It is the fund's policy that under normal circumstances it will invest at least 90% of its net assets (including, for this purpose, any borrowings for investment purposes) in securities included in the index. The Russell Midcap Index measures the performance of the mid-cap segment of the U.S. equity universe. It is a subset of the Russell 1000 Index, representing the smallest issuers in the Russell 1000 Index.

SWMCX Top Holdings & Constituents

SWMCX, offered by Charles Schwab, holds 794 reported positions across $2.8B in assets. Its largest holdings are Sandisk Corp/DE (SNDK) (1.16%), Western Digital Corp (WDC) (1.09%), and Corning Inc (GLW) (0.95%). The 5 biggest positions account for 4.91% of reported assets. The table below lists every reported holding with its portfolio weight and market value in US dollars — open any constituent to research its own performance.

PositionWeightMarket Value
SNDK
Sandisk Corp/DE
1.16%
$30.03M
WDC
Western Digital Corp
1.09%
$28.30M
GLW
Corning Inc
0.95%
$24.55M
VRT
Vertiv Holdings Co
0.92%
$23.92M
PWR
Quanta Services Inc
0.79%
$20.52M

Holdings data comes from the latest SEC Form N-PORT-P filing for this fund, covering the reporting period ended Apr 30, 2026. Market values are reported in US dollars, and each weight represents the position's share of reported fund assets. Cash, derivatives, and rounding can mean displayed weights do not total 100%. Funds rebalance and file on a schedule, so this page may not reflect intraday or post-filing changes.