iShares Russell 2000 Growth ETF (IWO) is an ETF managed by BlackRock / iShares. Its largest position is BLACKROCK FUNDS III (BISXX), representing 13.68% of fund assets.
iShares Russell 2000 Growth ETF Portfolio Holdings
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- IWO
- Type:
- ETF
- Manager:
- BlackRock / iShares
- Total Assets:
- —
- Report Date:
- Mar 31, 2026
- Filing Date:
- May 28, 2026
| Holding | Weight | Market Value | Shares |
|---|---|---|---|
|
-
BLACKROCK FUNDS III
|
13.68% | $1,664,256,049.17 | 1,663,923,265 |
|
-
Bloom Energy Corp
|
1.99% | $241,670,938.69 | 1,783,681 |
|
-
Fabrinet
|
1.26% | $153,718,020.00 | 294,750 |
|
-
Credo Technology Group Holding Ltd
|
1.02% | $123,643,780.47 | 1,317,181 |
|
-
Nextpower Inc.
|
0.94% | $114,792,773.10 | 952,242 |
|
-
KRATOS DEFENSE & SECURITY SOLUTIONS, INC.
|
0.86% | $104,052,876.18 | 1,475,718 |
|
-
ADVANCED ENERGY INDUSTRIES INC
|
0.82% | $99,253,978.44 | 307,564 |
|
-
STERLING INFRASTRUCTURE, INC.
|
0.81% | $99,129,110.73 | 243,399 |
|
-
BridgeBio Pharma, Inc.
|
0.79% | $96,097,786.72 | 1,294,072 |
|
-
Guardant Health, Inc.
|
0.77% | $93,561,295.89 | 1,012,897 |
|
-
MODINE MANUFACTURING CO
|
0.76% | $92,659,128.12 | 427,572 |
|
-
ENSIGN GROUP, INC
|
0.76% | $92,337,778.00 | 458,252 |
|
-
IonQ, Inc.
|
0.67% | $81,159,823.11 | 2,815,117 |
|
-
DYCOM INDUSTRIES INC
|
0.66% | $80,689,305.36 | 238,148 |
|
-
SPX Technologies, Inc.
|
0.65% | $78,661,794.38 | 393,427 |
|
-
Coeur Mining, Inc.
|
0.64% | $78,115,503.17 | 4,161,721 |
|
-
CHART INDUSTRIES INC
|
0.63% | $76,299,433.50 | 369,042 |
|
-
RAMBUS INC
|
0.62% | $75,736,510.50 | 880,350 |
|
-
MADRIGAL PHARMACEUTICALS, INC.
|
0.60% | $73,019,877.24 | 139,492 |
|
-
ARROWHEAD PHARMACEUTICALS, INC.
|
0.57% | $69,174,402.00 | 1,103,260 |
|
-
MOOG INC-CLASS A
|
0.55% | $67,167,903.36 | 229,524 |
|
-
WATTS WATER TECHNOLOGIES INC
|
0.53% | $65,050,795.81 | 224,089 |
|
-
InterDigital, Inc.
|
0.52% | $63,826,794.00 | 211,347 |
|
-
SITIME Corp
|
0.52% | $63,423,527.50 | 183,650 |
|
-
VIAVI SOLUTIONS INC.
|
0.51% | $62,607,201.28 | 1,881,226 |
|
-
Planet Labs PBC
|
0.51% | $61,774,866.40 | 2,210,192 |
|
-
FirstCash Holdings, Inc.
|
0.50% | $60,767,052.00 | 323,229 |
|
-
ESCO TECHNOLOGIES INC
|
0.49% | $59,678,014.26 | 212,098 |
|
-
ARGAN INC
|
0.49% | $59,657,148.45 | 109,533 |
|
-
Primoris Services Corp
|
0.49% | $59,097,548.16 | 413,154 |
|
-
SEMTECH CORP
|
0.48% | $58,422,944.25 | 759,825 |
|
-
HEALTHEQUITY, INC.
|
0.47% | $57,458,135.65 | 687,545 |
|
-
Axsome Therapeutics, Inc.
|
0.47% | $57,126,393.72 | 337,986 |
|
-
AeroVironment Inc
|
0.46% | $56,483,006.30 | 308,566 |
|
-
SILICON LABORATORIES INC.
|
0.46% | $55,363,945.15 | 265,981 |
|
-
Zurn Elkay Water Solutions Corp
|
0.45% | $54,985,229.36 | 1,226,254 |
|
-
CLEARWATER ANALYTICS HOLDINGS INC
|
0.44% | $53,836,410.65 | 2,276,381 |
|
-
DigitalOcean Holdings, Inc.
|
0.44% | $53,297,773.18 | 621,331 |
|
-
FEDERAL SIGNAL CORP /DE/
|
0.44% | $52,995,953.52 | 490,068 |
|
-
URANIUM ENERGY CORP
|
0.43% | $52,556,890.50 | 3,893,103 |
|
-
Krystal Biotech, Inc.
|
0.43% | $52,223,779.44 | 202,167 |
|
-
BRINKER INTERNATIONAL, INC
|
0.42% | $50,516,880.18 | 353,834 |
|
-
Installed Building Products, Inc.
|
0.41% | $50,175,129.95 | 189,233 |
|
-
Protagonist Therapeutics, Inc
|
0.41% | $50,021,996.80 | 474,592 |
|
-
GLAUKOS Corp
|
0.40% | $49,064,537.76 | 455,736 |
|
-
Archrock, Inc.
|
0.40% | $49,048,755.60 | 1,409,447 |
|
-
StoneX Group Inc.
|
0.40% | $48,535,895.85 | 601,809 |
|
-
Lumen Technologies, Inc.
|
0.39% | $47,781,006.75 | 6,874,965 |
|
-
Ryman Hospitality Properties, Inc.
|
0.38% | $46,499,835.58 | 503,954 |
|
-
FORMFACTOR INC
|
0.38% | $46,067,146.32 | 474,968 |
Advertisement (320x50)