IWR
iShares Russell Mid-Cap ETF
iShares Trust
ETFIndex fund

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
810
Top-10 weight
8.97%
Effective holdings ?
315
Crowding ?
770.6

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 BlackRock Cash Funds: Institutional, SL Agency Shares BISXX 1,437,311,855 $1.44B 2.98%
2 CORNING INC 2,983,140 $405.62M 0.84%
3 VERTIV HOLDINGS CO 1,453,657 $364.26M 0.76%
4 HOWMET AEROSPACE INC 1,532,064 $353.08M 0.73%
5 WESTERN DIGITAL CORP 1,299,938 $351.62M 0.73%
6 SANDISK CORPORATION 546,456 $347.19M 0.72%
7 BANK OF NEW YORK MELLON CORP 2,631,051 $312.12M 0.65%
8 QUANTA SVCS INC 562,704 $308.94M 0.64%
9 VALERO ENERGY CORP 1,161,416 $286.96M 0.60%
10 CUMMINS INC 525,831 $282.91M 0.59%
11 MARATHON PETROLEUM CORP 1,148,911 $280.54M 0.58%
12 PHILLIPS 66 1,539,725 $280.51M 0.58%
13 ROYAL CARIBBEAN CRUISES LTD 968,105 $266.40M 0.55%
14 HILTON WORLDWIDE HOLDINGS INC 871,450 $264.99M 0.55%
15 ROSS STORES INC 1,217,466 $263.74M 0.55%
16 KINDER MORGAN INC 7,430,093 $249.13M 0.52%
17 CLOUDFLARE INC-A 1,197,814 $247.16M 0.51%
18 L3HARRIS TECHNOLOGIES INC 713,560 $246.29M 0.51%
19 WARNER BROS DISCOVERY INC 8,898,968 $244.37M 0.51%
20 DIGITAL REALTY TRUST INC 1,314,665 $236.92M 0.49%
21 BAKER HUGHES CO 3,789,202 $231.33M 0.48%
22 CHENIERE ENERGY INC 814,108 $231.01M 0.48%
23 SIMON PROPERTY 1,237,946 $230.91M 0.48%
24 CENCORA INC 699,660 $219.79M 0.46%
25 CORTEVA INC 2,586,040 $216.48M 0.45%
26 ONEOK INC 2,387,666 $215.82M 0.45%
27 REALTY INCOME CORP REIT 3,498,762 $214.05M 0.44%
28 CIENA CORP 538,914 $209.22M 0.43%
29 ALLSTATE CORPORATION 996,260 $206.56M 0.43%
30 FASTENAL CO 4,386,595 $203.54M 0.42%
31 TARGA RESOURCES CORP 811,662 $203.51M 0.42%
32 ROBINHOOD MARKETS INC 2,898,888 $200.89M 0.42%
33 ELECTRONIC ARTS INC 960,984 $195.92M 0.41%
34 VISTRA CORP 1,292,731 $194.34M 0.40%
35 MONOLITHIC POWER SYS INC 176,908 $193.42M 0.40%
36 CARDINAL HEALTH INC 911,934 $192.70M 0.40%
37 ENTERGY CORP 1,706,557 $191.75M 0.40%
38 EXELON CORP 3,863,020 $189.37M 0.39%
39 LUMENTUM HOLDINGS INC 269,037 $189.07M 0.39%
40 AMETEK INC NEW 880,435 $188.73M 0.39%
41 ANGLOGOLD ASHANTI PLC 1,920,795 $187.01M 0.39%
42 KEYSIGHT TECHNOLOGIES INC 657,383 $185.63M 0.38%
43 COMFORT SYSTEMS USA INC 132,877 $183.24M 0.38%
44 WW GRAINGER INC 167,054 $182.22M 0.38%
45 XCEL ENERGY INC 2,261,941 $179.69M 0.37%
46 TERADYNE INC 598,341 $177.38M 0.37%
47 UNITED RENTALS INC 242,481 $176.66M 0.37%
48 OCCIDENTAL PETROLEUM CORP 2,695,642 $175.22M 0.36%
49 FORD MOTOR CO 14,915,873 $172.13M 0.36%
50 IDEXX LABS INC 304,554 $171.13M 0.35%
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