COWZ vs IYZ overlap - what they share and where they differ

COWZ and IYZ share 7.7% of their weight across 4 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.

COWZ and IYZ

7.7%

4 shared positions

COWZ

Pacer US Cash Cows 100 ETF

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

Top 10: 20.4%·Holdings of COWZ

IYZ

iShares U.S. Telecommunications ETF

Reported positions cover 100% of the fund, 22 positions · Jun 30, 2026

Top 10: 69.5%·Holdings of IYZ

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

IYZ vs COWZ side by side

COWZPacer US Cash Cows 100 ETF

100

stock positions reported to the SEC

92.0% of its weight is in 96 names IYZ does not hold

IYZiShares U.S. Telecommunications ETF

22

stock positions reported to the SEC

77.6% of its weight is in 18 names COWZ does not hold

Where each fund's weight sits

COWZ
IYZ
shared with the other fundheld alonenot covered by the filing (cash, futures, bonds)

Largest sectors for both funds

Technology
22.4%
54.2%
Communication Services
0.0%
43.1%
Healthcare
19.9%
0.0%
Consumer Cyclical
13.2%
0.0%
Energy
11.8%
0.0%
Consumer Defensive
10.0%
0.0%

The widest gap is Communication Services: IYZ has 43.1 points more of it.

The figures side by side

COWZIYZ
Filing dateJul 31, 2026Jun 30, 2026
Stock positions reported10022
Weight of the ten largest20.4%69.5%
Largest positionBKNG 2.2%CSCO 22.6%
Held alone96 positions, 92.0%18 positions, 77.6%
Covered by stock positions100%100%

Holdings they share

StockIn COWZIn IYZCounted
VZVerizon Communications Inc1.97%10.97%1.97%
TAT&T Inc1.95%4.16%1.95%
CMCSAComcast Corp1.92%3.79%1.92%
TMUST-Mobile US Inc1.85%3.34%1.85%

What each holds alone

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

Only in COWZ

BKNGBooking Holdings Inc2.22%
BMYBristol-Myers Squibb Co2.18%
HCAHCA Healthcare Inc2.07%
MPCMarathon Petroleum Corp2.06%
GDGeneral Dynamics Corp2.05%
INTUIntuit Inc2.04%
GILDGilead Sciences Inc1.93%
ADBEAdobe Inc1.90%
CRMSalesforce Inc1.90%
UBERUber Technologies Inc1.90%

Only in IYZ

CSCOCISCO SYSTEMS, INC.22.59%
ANETARISTA NETWORKS, INC.11.01%
CIENCIENA CORPORATION3.63%
MSIMOTOROLA SOLUTIONS, INC.3.42%
SPCXSPACE EXPLORATION TECHNOLOGIES CORP.3.38%
LITELUMENTUM HOLDINGS INC.3.19%
IRDMIRIDIUM COMMUNICATIONS INC.2.95%
ASTSAST SPACEMOBILE, INC.2.78%
CHTRCHARTER COMMUNICATIONS, INC.2.70%
ROKUROKU, INC.2.63%

Questions people ask

Is COWZ the same as IYZ?

7.7% of their weight sits in the same 4 holdings. COWZ also reports BKNG, BMY, HCA, which the other does not. IYZ also reports CSCO, ANET, CIEN, which the other does not.

How is the overlap between COWZ and IYZ 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 COWZ and 100% of IYZ, so the number cannot exceed the smaller coverage.

Which holds more, IYZ or COWZ?

COWZ reports 100 stock positions and IYZ reports 22. 92.0% of COWZ's weight sits in names IYZ does not hold, and 77.6% of IYZ's weight in names COWZ does not hold. The ten largest positions are 20.4% of COWZ and 69.5% of IYZ.

How do COWZ and IYZ differ by sector?

The widest gap is Communication Services: IYZ has 43.1 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.

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.