iShares Trust - iShares U.S. Oil & Gas Exploration & Production ETF
US ˙ BATS ˙ US4642888519

SecurityIEO / iShares Trust - iShares U.S. Oil & Gas Exploration & Production ETF
InstitutionSimplex Trading, Llc
Latest Disclosed Ownership289 shares
Latest Disclosed Value $ 36,096
Simplex Trading, Llc ownership in IEO / iShares Trust - iShares U.S. Oil & Gas Exploration & Production ETF

On May 14, 2026 - Simplex Trading, Llc filed a 13F-HR form disclosing ownership of 289 shares of iShares Trust - iShares U.S. Oil & Gas Exploration & Production ETF (US:IEO) valued at $36,096 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 0 shares of iShares Trust - iShares U.S. Oil & Gas Exploration & Production ETF. The current value of the position is $34,556 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F ISHARES TR COM 464288851 289 289 36 0.0000
2026-02-11 2025-12-31 13F ISHARES TR COM 464288851 0 -100.00 0
2025-11-12 2025-09-30 13F ISHARES TR COM 464288851 4,029 3,904 3,123.20 0 0.0002
2025-08-05 2025-06-30 13F ISHARES TR COM 464288851 125 125 0 0.0000
2025-05-12 2025-03-31 13F ISHARES TR COM 464288851 0 -109 -100.00 0 0.0000
2025-02-11 2024-12-31 13F ISHARES TR COM 464288851 109 -61 -35.88 0 0.0000
2024-11-08 2024-09-30 13F ISHARES TR COM 464288851 170 -563 -76.81 0 0.0000
2024-07-25 2024-06-30 13F ISHARES TR COM 464288851 733 -1,067 -59.28 0 0.0000
2024-04-25 2024-03-31 13F ISHARES TR COM 464288851 1,800 682 61.00 0 0.0001
2024-02-02 2023-12-31 13F ISHARES TR COM 464288851 1,118 -3,973 -78.04 0 0.0001
2023-11-01 2023-09-30 13F ISHARES TR COM 464288851 5,091 3,148 162.02 0 0.0004
2023-08-04 2023-06-30 13F ISHARES TR COM 464288851 1,943 -805 -29.29 0 0.0001
2023-04-27 2023-03-31 13F ISHARES TR COM 464288851 2,748 2,748 0 0.0002
2023-02-02 2022-12-31 13F ISHARES TR COM 464288851 0 -12,801 -100.00 0 -100.00
2022-11-04 2022-09-30 13F ISHARES TR COM 464288851 12,801 -16,095 -55.70 1,066 -52.60 0.0012
2022-08-03 2022-06-30 13F ISHARES TR COM 464288851 28,896 28,590 9,343.14 2,249 8,896.00 0.0024
2022-05-02 2022-03-31 13F ISHARES TR COM 464288851 306 -2,696 -89.81 25 -85.80 0.0000
2022-02-04 2021-12-31 13F ISHARES TR COM 464288851 3,002 0 0.00 176 0.00 0.0002
2021-10-28 2021-09-30 13F ISHARES TR COM 464288851 3,002 0 0.00 176 2.33 0.0002
2021-08-12 2021-06-30 13F ISHARES TR COM 464288851 3,002 685 29.56 172 53.57 0.0002
2021-04-26 2021-03-31 13F ISHARES TR COM 464288851 2,317 292 14.42 112 55.56 0.0002
2021-02-02 2020-12-31 13F ISHARES TR COM 464288851 2,025 2,025 72 0.0001
2020-10-14 2020-09-30 13F ISHARES TR COM 464288851 0 -230 -100.00 0 -100.00
2020-07-13 2020-06-30 13F ISHARES TR COM 464288851 230 164 248.48 7 600.00 0.0000
2020-04-29 2020-03-31 13F ISHARES TR COM 464288851 66 -1,138 -94.52 1 -98.48 0.0000
2020-02-05 2019-12-31 13F ISHARES TR COM 464288851 1,204 0 0.00 66 8.20 0.0001
2019-10-15 2019-09-30 13F ISHARES TR COM 464288851 1,204 1,190 8,500.00 61 0.0002
2019-07-26 2019-06-30 13F ISHARES TR COM 464288851 14 14 0 0.0000
2019-01-16 2018-12-31 13F ISHARES TR COM 464288851 0 -380 -100.00 0 -100.00
2018-10-23 2018-09-30 13F ISHARES TR COM 464288851 380 380 28 0.0001
2018-07-30 2018-06-30 13F ISHARES TR COM 464288851 0 -3,091 -100.00 0 -100.00
2018-04-26 2018-03-31 13F ISHARES TR COM 464288851 3,091 3,091 196 0.0086
2017-01-11 2016-12-31 13F ISHARES TR COM 464288851 0 -118 -100.00 0 -100.00
2016-10-07 2016-09-30 13F ISHARES TR COM 464288851 118 -1,380 -92.12 7 -91.67 0.0005
2016-07-18 2016-06-30 13F ISHARES TR COM 464288851 1,498 1,498 0.00 84 0.0056
2015-04-21 2015-03-31 13F ISHARES COM 464288851 0 -59 -100.00 0 -100.00
2015-03-04 2014-12-31 13F ISHARES COM 464288851 59 59 4 0.0005
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.