ETF and Mutual Fund Analysis

Holdings as of May 31, 2026 (FSKAX) and March 31, 2026 (SPYM)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > FSKAX vs SPYM Holdings as of May 31, 2026 (FSKAX) and March 31, 2026 (SPYM)

FSKAX vs SPYM: Portfolio Overlap

Fidelity Total Market Index Fund vs State Street(R) SPDR(R) Portfolio S&P 500(R) ETF

85.1%
Weighted portfolio overlap
Very High Overlap

The two portfolios are structurally near-identical: most of the weight sits in the same stocks, so holding both concentrates rather than spreads capital. The tier describes what the data shows, not what to do about it.

FSKAX
3735 equity holdings
as of May 31, 2026
SPYM
503 equity holdings
as of March 31, 2026
500 stocks held in common
Overlap View Venn Diagram
85.1% OVERLAP FSKAX SPYM
Overlapping Holdings
10 Top 10 of 500 shared, by overlap contribution
# Stock FSKAX SPYM Overlap%
1
NVDA
 7.01% 7.58% 7.01%
2
AAPL
 6.26% 6.67% 6.26%
3
MSFT
 4.57% 4.92% 4.57%
4
AMZN
 3.61% 3.64% 3.61%
5
GOOGL
 3.03% 3.00% 3.00%
6
AVGO
 2.89% 2.63% 2.63%
7
GOOG
 2.40% 2.40% 2.40%
8
META
 1.89% 2.24% 1.89%
9
TSLA
 1.67% 1.87% 1.67%
10
LLY
 1.20% 1.30% 1.20%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in FSKAX — Fidelity Total Market Index Fund
StockWeight
MRVL0.24%
SNOW0.12%
NET0.10%
BE0.10%
RKLB0.09%
Only in SPYM — State Street(R) SPDR(R) Portfolio S&P 500(R) ETF
StockWeight
CTRA0.05%
CCL0.05%
HOLX0.03%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between FSKAX and SPYM?

FSKAX (Fidelity Total Market Index Fund) and SPYM (State Street(R) SPDR(R) Portfolio S&P 500(R) ETF) share 85.1% portfolio overlap as of FSKAX's May 31, 2026 filing and SPYM's March 31, 2026 filing, across 500 common stocks. Overlap is the sum of the smaller weight of each shared stock, so it reads as the share of a dollar that lands on the same companies in both funds.

Do FSKAX and SPYM invest in the same stocks?

Almost entirely. These funds hold nearly identical portfolios and offer little differentiation between them.

What are the top stocks held by both FSKAX and SPYM?

The most prominent shared holdings (by combined weight) are: NVDA, AAPL, MSFT. See the full common-holdings table on this page for weights in each fund.

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