iShares Russell Small/Mid-Cap Index Fund (BSMIX) is an MF managed by BlackRock / iShares. Its largest position is BLACKROCK FUNDS III (BISXX), representing 7.43% of fund assets.
iShares Russell Small/Mid-Cap Index Fund Portfolio Holdings
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- BSMIX
- Type:
- MF
- Manager:
- BlackRock / iShares
- Total Assets:
- —
- Report Date:
- Apr 30, 2026
- Filing Date:
- Jun 25, 2026
| Holding | Weight | Market Value | Shares |
|---|---|---|---|
|
-
BLACKROCK FUNDS III
|
7.43% | $92,473,706.12 | 92,445,972 |
|
-
Sandisk Corp
|
2.00% | $24,864,460.76 | 22,676 |
|
-
CIENA CORP
|
0.95% | $11,798,271.54 | 22,363 |
|
-
ISHARES INC
|
0.83% | $10,301,290.23 | 37,059 |
|
-
COMFORT SYSTEMS USA INC
|
0.81% | $10,136,097.00 | 5,508 |
|
-
Lumentum Holdings Inc.
|
0.81% | $10,084,328.32 | 11,176 |
|
-
Bloom Energy Corp
|
0.78% | $9,742,766.88 | 34,383 |
|
-
COHERENT CORP.
|
0.71% | $8,867,796.27 | 27,737 |
|
-
BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES
|
0.54% | $6,686,254.40 | 6,686,254 |
|
-
Rocket Lab Corp
|
0.52% | $6,409,046.76 | 77,676 |
|
-
EMCOR Group, Inc.
|
0.50% | $6,257,740.06 | 7,018 |
|
-
ISHARES RUSSELL MID-CAP ETF
|
0.49% | $6,120,167.04 | 58,656 |
|
-
JABIL INC
|
0.45% | $5,562,172.69 | 16,481 |
|
-
FLEX LTD.
|
0.43% | $5,361,900.40 | 58,568 |
|
-
TechnipFMC plc
|
0.38% | $4,784,638.98 | 63,314 |
|
-
CASEYS GENERAL STORES INC
|
0.38% | $4,777,513.65 | 5,811 |
|
-
TAPESTRY, INC.
|
0.38% | $4,707,273.20 | 32,455 |
|
-
INSMED Inc
|
0.36% | $4,536,244.42 | 33,274 |
|
-
Credo Technology Group Holding Ltd
|
0.35% | $4,414,807.71 | 25,371 |
|
-
CURTISS WRIGHT CORP
|
0.34% | $4,186,522.60 | 5,813 |
|
-
Revolution Medicines, Inc.
|
0.33% | $4,096,899.24 | 28,427 |
|
-
FTAI Aviation Ltd.
|
0.32% | $4,022,433.37 | 16,111 |
|
-
Astera Labs, Inc.
|
0.32% | $3,998,206.94 | 20,531 |
|
-
XPO, Inc.
|
0.32% | $3,995,359.50 | 18,150 |
|
-
MASTEC INC
|
0.31% | $3,901,489.05 | 9,901 |
|
-
Fabrinet
|
0.31% | $3,854,087.33 | 5,639 |
|
-
UNITED THERAPEUTICS Corp
|
0.31% | $3,822,331.50 | 6,690 |
|
-
ALBEMARLE CORP
|
0.29% | $3,655,472.80 | 18,584 |
|
-
NISOURCE INC.
|
0.29% | $3,647,457.44 | 75,548 |
|
-
nVent Electric plc
|
0.29% | $3,627,230.70 | 25,383 |
|
-
Everpure, Inc.
|
0.29% | $3,586,647.10 | 50,198 |
|
-
Woodward, Inc.
|
0.28% | $3,434,974.37 | 9,463 |
|
-
C. H. ROBINSON WORLDWIDE, INC.
|
0.27% | $3,396,392.61 | 18,681 |
|
-
ATI INC
|
0.27% | $3,314,562.66 | 21,321 |
|
-
US Foods Holding Corp.
|
0.27% | $3,310,761.37 | 35,413 |
|
-
CARPENTER TECHNOLOGY CORP
|
0.26% | $3,256,032.80 | 7,604 |
|
-
BWX Technologies, Inc.
|
0.25% | $3,140,684.46 | 14,514 |
|
-
ROYAL GOLD INC
|
0.25% | $3,107,221.32 | 13,314 |
|
-
Snap-on Inc
|
0.25% | $3,105,540.00 | 8,100 |
|
-
SoFi Technologies, Inc.
|
0.25% | $3,089,815.40 | 191,914 |
|
-
MKS INC
|
0.24% | $3,038,395.00 | 10,708 |
|
-
RELIANCE, INC.
|
0.24% | $3,008,387.50 | 8,299 |
|
-
PACKAGING CORP OF AMERICA
|
0.24% | $2,977,200.60 | 13,948 |
|
-
MACOM Technology Solutions Holdings, Inc.
|
0.24% | $2,961,410.76 | 10,516 |
|
-
RBC Bearings INC
|
0.24% | $2,931,946.46 | 4,894 |
|
-
ITT INC.
|
0.23% | $2,913,952.30 | 13,595 |
|
-
F5, INC.
|
0.23% | $2,893,074.80 | 8,932 |
|
-
Coeur Mining, Inc.
|
0.23% | $2,881,669.20 | 160,360 |
|
-
TD SYNNEX CORP
|
0.23% | $2,836,505.58 | 12,431 |
|
-
Ovintiv Inc.
|
0.23% | $2,829,330.40 | 45,968 |
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