IEO
iShares U.S. Oil & Gas Exploration & Production ETF
iShares Trust
ETFIndex fund

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
49
Top-10 weight
69.02%
Effective holdings ?
14
Crowding ?
968.9

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 CONOCOPHILLIPS 966,446 $127.57M 19.46%
2 EOG RESOURCES INC 428,016 $61.88M 9.44%
3 VALERO ENERGY CORP 240,600 $59.45M 9.07%
4 PHILLIPS 66 262,443 $47.81M 7.29%
5 DIAMONDBACK ENERGY INC 159,240 $31.50M 4.81%
6 DEVON ENERGY CORP 582,589 $29.32M 4.47%
7 MARATHON PETROLEUM CORP 119,033 $29.07M 4.43%
8 EQT CORPORATION 422,833 $26.91M 4.11%
9 COTERRA ENERGY INC 712,563 $25.04M 3.82%
10 EXPAND ENERGY CORP 223,703 $24.56M 3.75%
11 TEXAS PACIFIC LAND CORP 51,425 $24.40M 3.72%
12 OVINTIV INC 260,803 $15.48M 2.36%
13 BlackRock Cash Funds: Institutional, SL Agency Shares BISXX 15,476,324 $15.48M 2.36%
14 PERMIAN RESOURCES CORP CL A 695,386 $14.83M 2.26%
15 APA CORP 333,126 $14.14M 2.16%
16 ANTERO RESOURCES 275,296 $11.68M 1.78%
17 RANGE RESOURCES CORP 222,544 $10.05M 1.53%
18 HF SINCLAIR CORP 146,859 $9.16M 1.40%
19 VIPER ENERGY INC A 174,535 $8.20M 1.25%
20 CHORD ENERGY CORP 53,411 $7.59M 1.16%
21 VENTURE GLOBAL INC 450,380 $7.10M 1.08%
22 MATADOR RESOURCES COMPANY 109,719 $6.93M 1.06%
23 SM ENERGY CO 212,604 $6.63M 1.01%
24 MAGNOLIA OIL and GAS CORPO CL A 169,895 $5.36M 0.82%
25 MURPHY OIL CORP 126,025 $5.20M 0.79%
26 CNX RESOURCES CORP 133,720 $5.15M 0.79%
27 CALIFORNIA RESOU 73,798 $5.11M 0.78%
28 PBF ENERGY INC CL A 77,995 $3.71M 0.57%
29 GULFPORT ENERGY CORP 14,707 $3.11M 0.47%
30 CRESCENT ENERGY INC A 228,402 $3.08M 0.47%
31 PAR PACIFIC HOLDINGS INC 47,272 $2.96M 0.45%
32 NORTHERN OIL AND GAS INC 98,024 $2.87M 0.44%
33 DELEK US HOLDINGS INC 56,322 $2.54M 0.39%
34 CALUMET INC 60,178 $2.16M 0.33%
35 SABLE OFFSHORE CORP 115,548 $1.91M 0.29%
36 TALOS ENERGY INC 117,938 $1.86M 0.28%
37 COMSTOCK RESOURCES INC 74,141 $1.56M 0.24%
38 KOSMOS ENERGY LTD 541,511 $1.51M 0.23%
39 REX AMERICAN RESOURCES CORP 26,641 $1.21M 0.19%
40 WORLD KINECT CORP 52,279 $1.21M 0.18%
41 GREEN PLAINS INC 65,702 $1.08M 0.16%
42 BKV CORPORATION 34,266 $977.27K 0.15%
43 CVR ENERGY INC 28,371 $954.68K 0.15%
44 BlackRock Cash Funds: Treasury, SL Agency Shares 680,010 $680.01K 0.10%
45 VAALCO ENERGY INC 98,080 $621.83K 0.09%
46 SANDRIDGE ENERGY INC 29,709 $484.55K 0.07%
47 VITESSE ENERGY INC 26,559 $482.31K 0.07%
48 CLEAN ENERGY FUELS CORP 162,981 $404.19K 0.06%
49 XAE ENERGY JUN26 4 $24.25K 0.00%

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