iShares Russell 2000 ETF (IWM) is an ETF managed by BlackRock / iShares. Its largest position is BLACKROCK FUNDS III (BISXX), representing 14.24% of fund assets.
iShares Russell 2000 ETF Portfolio Holdings
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- IWM
- 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
|
14.24% | $10,242,422,302.53 | 10,240,374,228 |
|
-
Bloom Energy Corp
|
1.01% | $724,017,235.55 | 5,343,695 |
|
-
Coeur Mining, Inc.
|
0.65% | $466,103,735.06 | 24,832,378 |
|
-
Fabrinet
|
0.64% | $460,723,284.48 | 883,424 |
|
-
Nextpower Inc.
|
0.60% | $430,035,001.25 | 3,567,275 |
|
-
EchoStar CORP
|
0.54% | $387,990,116.04 | 3,314,172 |
|
-
Credo Technology Group Holding Ltd
|
0.51% | $370,338,552.36 | 3,945,228 |
|
-
KRATOS DEFENSE & SECURITY SOLUTIONS, INC.
|
0.43% | $311,786,265.23 | 4,421,873 |
|
-
ADVANCED ENERGY INDUSTRIES INC
|
0.41% | $297,597,675.93 | 922,183 |
|
-
STERLING INFRASTRUCTURE, INC.
|
0.41% | $297,160,075.53 | 729,639 |
|
-
HECLA MINING CO/DE/
|
0.40% | $289,461,743.37 | 15,537,399 |
|
-
BridgeBio Pharma, Inc.
|
0.40% | $287,935,426.96 | 3,877,396 |
|
-
Guardant Health, Inc.
|
0.39% | $280,223,792.70 | 3,033,710 |
|
-
MODINE MANUFACTURING CO
|
0.39% | $277,589,906.88 | 1,280,928 |
|
-
ENSIGN GROUP, INC
|
0.38% | $276,240,984.50 | 1,370,923 |
|
-
TTM TECHNOLOGIES INC
|
0.34% | $243,916,494.04 | 2,503,762 |
|
-
IonQ, Inc.
|
0.34% | $243,259,986.54 | 8,437,738 |
|
-
DYCOM INDUSTRIES INC
|
0.34% | $241,519,366.50 | 712,825 |
|
-
SPX Technologies, Inc.
|
0.33% | $235,486,532.84 | 1,177,786 |
|
-
CHART INDUSTRIES INC
|
0.32% | $228,570,188.25 | 1,105,539 |
|
-
RAMBUS INC
|
0.32% | $227,238,609.64 | 2,641,388 |
|
-
MADRIGAL PHARMACEUTICALS, INC.
|
0.30% | $218,804,178.36 | 417,988 |
|
-
ARROWHEAD PHARMACEUTICALS, INC.
|
0.29% | $207,213,468.00 | 3,304,840 |
|
-
American Healthcare REIT, Inc.
|
0.29% | $206,136,171.36 | 4,370,996 |
|
-
Praxis Precision Medicines, Inc.
|
0.28% | $203,172,691.81 | 630,599 |
|
-
CareTrust REIT, Inc.
|
0.28% | $201,442,656.85 | 5,496,389 |
|
-
MOOG INC-CLASS A
|
0.28% | $201,408,894.72 | 688,248 |
|
-
UMB FINANCIAL CORP
|
0.28% | $200,744,093.16 | 1,779,804 |
|
-
WATTS WATER TECHNOLOGIES INC
|
0.27% | $194,160,176.21 | 668,849 |
|
-
CYTOKINETICS INC
|
0.27% | $192,706,405.71 | 2,923,781 |
|
-
InterDigital, Inc.
|
0.27% | $191,260,526.00 | 633,313 |
|
-
SM Energy Co
|
0.26% | $190,428,825.54 | 6,107,403 |
|
-
SITIME Corp
|
0.26% | $189,920,397.60 | 549,936 |
|
-
Primoris Services Corp
|
0.26% | $189,376,091.52 | 1,323,938 |
|
-
OLD NATIONAL BANCORP /IN/
|
0.26% | $189,277,991.50 | 8,564,615 |
|
-
VIAVI SOLUTIONS INC.
|
0.26% | $187,518,522.88 | 5,634,571 |
|
-
Planet Labs PBC
|
0.26% | $185,014,046.75 | 6,619,465 |
|
-
FORMFACTOR INC
|
0.26% | $184,729,869.72 | 1,904,628 |
|
-
FLUOR CORP
|
0.26% | $183,705,460.80 | 3,937,952 |
|
-
FirstCash Holdings, Inc.
|
0.25% | $182,454,940.00 | 970,505 |
|
-
ARGAN INC
|
0.25% | $178,753,040.70 | 328,198 |
|
-
ESCO TECHNOLOGIES INC
|
0.25% | $178,610,299.56 | 634,788 |
|
-
Vaxcyte, Inc.
|
0.25% | $176,389,244.07 | 3,035,437 |
|
-
SEMTECH CORP
|
0.24% | $174,935,053.26 | 2,275,134 |
|
-
HEALTHEQUITY, INC.
|
0.24% | $172,161,387.02 | 2,060,086 |
|
-
Jackson Financial Inc.
|
0.24% | $171,113,951.76 | 1,618,558 |
|
-
Axsome Therapeutics, Inc.
|
0.24% | $171,004,463.82 | 1,011,741 |
|
-
AeroVironment Inc
|
0.24% | $169,247,114.75 | 924,595 |
|
-
SANMINA CORP
|
0.24% | $169,057,430.92 | 1,304,053 |
|
-
COMMERCIAL METALS Co
|
0.23% | $167,351,783.24 | 2,724,268 |
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