IYE vs TAN overlap - what they share and where they differ

IYE and TAN share 1.7% of their weight across 3 common positions, read from what each fund reported to the SEC.

Each week Ploutos reads the reported positions of the largest US equity ETFs and measures, pair by pair, the weight they share: for every stock both funds hold, the smaller of the two weights counts. Two funds tracking the same index land near 100%. A sector fund inside a broad index fund lands at roughly that sector's weight.

IYE and TAN

1.7%

3 shared positions

IYE

iShares U.S. Energy ETF

Reported positions cover 100% of the fund, 40 positions · Jul 31, 2026

Top 10: 70.4%·Holdings of IYE

TAN

Invesco Solar ETF

Reported positions cover 100% of the fund, 31 positions · May 31, 2026

Top 10: 65.2%·Holdings of TAN

Reported positions cover IYE 100%, TAN 100% of each fund. An overlap cannot exceed the smaller coverage, so a low figure can mean little overlap or thin reporting.

TAN vs IYE side by side

IYEiShares U.S. Energy ETF

40

stock positions reported to the SEC

98.2% of its weight is in 37 names TAN does not hold

TANInvesco Solar ETF

31

stock positions reported to the SEC

69.7% of its weight is in 28 names IYE does not hold

Where each fund's weight sits

IYE
TAN
shared with the other fundheld alonenot covered by the filing (cash, futures, bonds)

Largest sectors for both funds

Energy
98.1%
0.0%
Technology
1.7%
46.6%
Utilities
0.0%
11.1%
Industrials
0.1%
4.8%
Real Estate
0.0%
3.5%
Basic Materials
0.0%
0.0%

The widest gap is Energy: IYE has 98.1 points more of it.

The figures side by side

IYETAN
Filing dateJul 31, 2026May 31, 2026
Stock positions reported4031
Weight of the ten largest70.4%65.2%
Largest positionXOM 22.7%FSLR 11.7%
Held alone37 positions, 98.2%28 positions, 69.7%
Covered by stock positions100%100%

Holdings they share

StockIn IYEIn TANCounted
FSLRFIRST SOLAR, INC.0.94%11.74%0.94%
NXTNEXTPOWER INC.0.58%9.81%0.58%
ENPHENPHASE ENERGY, INC.0.21%8.75%0.21%

What each holds alone

The heaviest positions one fund reports and the other does not.

Only in IYE

XOMEXXONMOBIL HOLDINGS CORPORATION22.73%
CVXCHEVRON CORPORATION16.01%
COPCONOCOPHILLIPS6.44%
MPCMARATHON PETROLEUM CORPORATION4.08%
VLOVALERO ENERGY CORPORATION4.06%
WMBTHE WILLIAMS COMPANIES, INC.3.83%
PSXPHILLIPS 663.72%
EOGEOG RESOURCES, INC.3.49%
SLBSLB N.V.3.25%
KMIKINDER MORGAN, INC.2.74%

Only in TAN

ENLTEnlight Renewable Energy Ltd.7.58%
SEDGSolarEdge Technologies, Inc.6.32%
DORAL GROUP RENEWABLE ENERGY RESOURCES LTDDoral Group Renewable Energy Resources Ltd.5.09%
RUNSunrun Inc.4.83%
O.Y. NOFAR ENERGY LTDO.Y. Nofar Energy Ltd.4.22%
HASIHA Sustainable Infrastructure Capital, Inc.3.46%
SHLSShoals Technologies Group, Inc.3.39%
SOLARIA ENERGIA Y MEDIO AMBIENTE, S.A.3.07%
GCL POLY ENERGY HOLDINGS LTDGCL-Poly Energy Holdings Ltd.3.00%
ENERGIX - RENEWABLE ENERGIES LTDEnergix Renewable Energies Ltd.2.69%

Questions people ask

Is IYE the same as TAN?

1.7% of their weight sits in the same 3 holdings. IYE also reports XOM, CVX, COP, which the other does not. TAN also reports ENLT, SEDG, DORAL GROUP RENEWABLE ENERGY RESOURCES LTD, which the other does not.

How is the overlap between IYE and TAN measured?

For every stock both funds report, the smaller of the two weights counts, and the sum is the overlap. The reported positions cover 100% of IYE and 100% of TAN, so the number cannot exceed the smaller coverage.

Which holds more, TAN or IYE?

IYE reports 40 stock positions and TAN reports 31. 98.2% of IYE's weight sits in names TAN does not hold, and 69.7% of TAN's weight in names IYE does not hold. The ten largest positions are 70.4% of IYE and 65.2% of TAN.

How do IYE and TAN differ by sector?

The widest gap is Energy: IYE has 98.1 points more of it. Sectors come from each holding's SIC code in its SEC record, summed by the weight the fund reports.

Where do the numbers come from?

From each fund's own N-PORT filing to the SEC, which lists every position and its weight. The comparison uses every equity position the fund reports; cash, futures and bonds are not counted, which is why a coverage figure sits next to every result. Holdings change between filings.

Other pairs with these funds

IYE against other funds in the table

Add a third fund in the tool·All fund pairs

Descriptive data from public SEC filings. Nothing on this page is a recommendation to buy, sell or hold any fund or stock, and holdings change between filings.