ETF and Mutual Fund Analysis

Holdings as of May 31, 2026 (FSKAX) and August 12, 2026 (SPY)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > FSKAX vs SPY Holdings as of May 31, 2026 (FSKAX) and August 12, 2026 (SPY)

FSKAX vs SPY: Portfolio Overlap

Fidelity Total Market Index Fund vs SPDR® S&P 500® ETF Trust

84.5%
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
SPY
505 equity holdings
as of August 12, 2026
469 stocks held in common
Overlap View Venn Diagram
84.5% OVERLAP FSKAX SPY
Overlapping Holdings
10 Top 10 of 469 shared, by overlap contribution
# Stock FSKAX SPY Overlap%
1
NVDA
 7.01% 8.14% 7.01%
2
AAPL
 6.26% 6.66% 6.26%
3
MSFT
 4.57% 5.49% 4.57%
4
AMZN
 3.61% 3.92% 3.61%
5
GOOGL
 3.03% 3.02% 3.02%
6
AVGO
 2.89% 2.95% 2.89%
7
GOOG
 2.40% 2.43% 2.40%
8
META
 1.89% 1.91% 1.89%
9
MU
 1.49% 1.54% 1.49%
10
TSLA
 1.67% 1.38% 1.38%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in FSKAX — Fidelity Total Market Index Fund
StockWeight
XOM0.83%
Linde PLC0.32%
Seagate Technology Holdings PLC0.26%
HON0.21%
Eaton Corp PLC0.21%
Only in SPY — SPDR® S&P 500® ETF Trust
StockWeight
XOM0.99%
LIN0.33%
STX0.30%
ETN0.27%
CB0.19%

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

FSKAX (Fidelity Total Market Index Fund) and SPY (SPDR® S&P 500® ETF Trust) share 84.5% portfolio overlap as of FSKAX's May 31, 2026 filing and SPY's August 12, 2026 filing, across 469 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 SPY 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 SPY?

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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