Compare ETFs

Compare holdings, allocations, classifications, and performance.

Showing cached reports.

SPY: generated Aug 1, 2026, 5:15 AM (as of 2026-07-30); MUU: generated Aug 1, 2026, 4:36 PM (as of 2026-04-30).

Signed out: the comparison includes up to 10 holdings per ETF. Sign in to compare more holdings.

SPY vs MUU

Current snapshot · Historical snapshot

Portfolio statistics

SPY

Largest holding: AAPL · 7.655%
Top 10 concentration: 37.13%
Gross exposure: 37.13%
Net exposure: 37.13%

MUU

Largest holding: MU · 12.98%
Top 10 concentration: 12.98%
Gross exposure: 12.98%
Net exposure: 12.98%

Holdings overlap

Based on returned holdings.

ETF A

SPY

Snapshot: 2026-07-30
Returned holdings: 10
Largest position: AAPL · 7.655%

1.542%weighted overlap

ETF B

MUU

Snapshot: 2026-04-30
Returned holdings: 10
Largest position: MU · 12.98%

Holdings universe10 distinct mapped tickers in the returned rows

1 shared

Only SPY 9Shared 1Only MUU 0

Largest allocation differences

MUMICRON TECHNOLOGY INC11.44% gap

1.542%12.98%

AAPLAPPLE INC7.655% gap

7.655%0.000%

NVDANVIDIA CORP7.384% gap

7.384%0.000%

MSFTMICROSOFT CORP5.238% gap

5.238%0.000%

AMZNAMAZON.COM INC3.603% gap

3.603%0.000%

GOOGLALPHABET INC CL A3.058% gap

3.058%0.000%

AVGOBROADCOM INC2.871% gap

2.871%0.000%

GOOGALPHABET INC CL C2.465% gap

2.465%0.000%

Portfolio composition

Based on classified holdings in the returned results.

No classification data available.

Valuation multiples

Weighted valuation multiples by ETF
Weighted multiple	SPY	MUU
P/E	N/A0/10 valued	N/A0/10 valued
P/B	N/A0/10 valued	N/A0/10 valued
P/S	N/A0/10 valued	N/A0/10 valued

No valuation data available for these holdings.

Holdings details

View

Shared holdings

Sort by1

Ticker	Company	SPY weight	MUU weight	Absolute difference
MU	MICRON TECHNOLOGY INC	1.542%	12.98%	11.44%