IYY vs PY: holdings overlap, shared companies and scores
As of October 9, 2026, IYY and PY overlap 29.9% by weight. iShares Dow Jones U.S. ETF (IYY): U.S. large- and mid-cap stocks. Principal Value ETF (PY): U.S. large-mid value stocks.
Updated October 9, 2026
Where IYY and PY trade against their own history
IYY trades at 24.5 times earnings, against its own median of 22.4, and is more expensive than 63% of its own 115 monthly readings since 2017.
PY trades at 18.7 times earnings, against its own median of 15.7, and is more expensive than 85% of its own 115 monthly readings since 2017.
What moved IYY and PY this week
IYY rose 1.1% in the week to October 9, 2026. The holdings that moved it most were Microsoft (+3.4%), Amazon.com (+4.3%) and Alphabet (+2.4%); Nvidia (−2.0%) pushed the other way.
PY rose 1.4% in the week to October 9, 2026. The holdings that moved it most were Amazon.com (+4.3%), Visa (+6.9%) and Marathon Petroleum (+7.7%); Intel (−12.3%) pushed the other way.
What do IYY and PY each hold?
What's inside IYY: Tech 45%, Magnificent 7 33%.
37% of IYY is its ten largest holdings.
What's inside PY: Tech 26%, Magnificent 7 13%.
26% of PY is its ten largest holdings.
How much do IYY and PY overlap? 29.9% by weight
As of October 9, 2026, IYY and PY overlap 29.9% by weight.
32% of IYY is already inside PY.
100% of PY is already inside IYY.
IYY holds 941 companies and PY holds 101; 100 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score IYY and PY? 6.7 and 4.4 out of 10
As of October 9, 2026, ETF Copilot scores IYY 6.7 out of 10 and PY 4.4 out of 10.
They differ most on Growth: IYY 7.5 and PY 2.1.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | IYY | PY |
|---|---|---|
| Growth | 7.5 | 2.1 |
| Value | 2.9 | 1.0 |
| Risk | 6.4 | 8.6 |
| Quality | 8.1 | 6.6 |
| Return | 7.8 | 4.6 |
PY is the cheaper of the two at 0.15% a year
As of October 9, 2026, IYY charges 0.20% a year, yields 0.85% and holds $3.1B in assets across 941 positions.
As of October 9, 2026, PY charges 0.15% a year, yields 1.35% and holds $240M in assets across 101 positions.
| Measure | IYY | PY |
|---|---|---|
| Expense ratio | 0.20% | 0.15% |
| Dividend yield | 0.85% | 1.35% |
| Assets under management | $3.1B | $240M |
| Holdings | 941 | 101 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Cite this
ETF Copilot, “IYY vs PY holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/iyy-vs-py
ETF Copilot Pro unlocks IYY vs PY prices and holdings.
Try Pro free →