T. Rowe Price Mid-Cap Index Fund-I Class (TRMSX) is a T. Rowe Price mutual fund with a 0.14% expense ratio, 523 holdings and $503MM in net assets. Largest sector: Industrials (24%).
Fee
0.14%
prospectus Feb 25, 2026
Net assets
$503MM
Launched
Jan 4, 2021
Holdings
523
as of Jun 30, 2026
Top 10 weight
12.0%
largest ten holdings
Largest sector
Industrials
24.2%
Yield
—
Benchmark
—
TRMSX's holdings are as of Jun 30, 2026 — a mutual fund reports its holdings to the SEC quarterly, one to three months after the date.
Industrials
24.2%
Technology
21.7%
Financial Services
12.6%
Healthcare
10.3%
Consumer Cyclical
9.5%
Real Estate
5.2%
Communication Services
4.8%
Basic Materials
4.3%
Energy
3.5%
Consumer Defensive
2.5%
Utilities
1.4%
1
SPCX
Space Exploration Technologies Class A
1.60%
2
SNOW
Snowflake
1.51%
3
BE
Bloom Energy Class A
1.44%
4
NET
Cloudflare Class A
1.38%
5
ALAB
Astera Labs
1.31%
6
SPOT
SPOTIFY TECHNOLOGY
1.29%
7
RKLB
Rocket Lab
0.97%
8
LNG
CHENIERE ENERGY
0.89%
9
NU
NU HOLDINGS CLASS A
0.82%
10
FERG
Ferguson Plc.
0.81%
11
CRDO
Credo Technology Group Holding Ltd.
0.80%
12
ANG
Anglogold Ashanti
0.72%
13
ALNY
Alnylam Pharmaceuticals
0.71%
14
NTRA
Natera
0.66%
15
RVMD
Revolution Medicines
0.63%
16
CRWV
CoreWeave Class A
0.61%
17
RBLX
ROBLOX -CLASS A
0.61%
18
SUNB
SUNBELT RENTALS HOLDINGS
0.54%
19
TWLO
Twilio Class A
0.54%
20
MKSI
MKS
0.53%
21
CRS
Carpenter Technology
0.53%
22
MSTR
MicroStrategy Class A
0.50%
23
CW
Curtiss-Wright
0.49%
24
FTAI
FTAI Aviation Ltd.
0.49%
25
ENTG
Entegris
0.48%
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