ETF and Mutual Fund Analysis

Holdings as of March 31, 2026 (AIVSX) and May 31, 2026 (FCFMX)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > AIVSX vs FCFMX Holdings as of March 31, 2026 (AIVSX) and May 31, 2026 (FCFMX)

AIVSX vs FCFMX: Portfolio Overlap

Investment Co of America vs Fidelity Series Total Market Index Fund

47.7%
Weighted portfolio overlap
Moderate Overlap

Moderate Overlap. A recognisable amount of shared weight, common among funds drawing on the same large-cap pool. Much of it typically sits in the top conviction holdings.

AIVSX
171 equity holdings
as of March 31, 2026
FCFMX
3815 equity holdings
as of May 31, 2026
133 stocks held in common
Overlap View Venn Diagram
47.7% OVERLAP AIVSX FCFMX
Overlapping Holdings
10 Top 10 of 133 shared, by overlap contribution
# Stock AIVSX FCFMX Overlap%
1
NVDA
 6.71% 7.01% 6.71%
2
MSFT
 5.81% 4.57% 4.57%
3
AMZN
 4.85% 3.61% 3.61%
4
AVGO
 6.31% 2.89% 2.89%
5
GOOGL
 2.57% 3.03% 2.57%
6
AAPL
 2.29% 6.26% 2.29%
7
GOOG
 2.19% 2.40% 2.19%
8
META
 2.68% 1.89% 1.89%
9
LLY
 3.45% 1.20% 1.20%
10
JPM
 1.09% 1.10% 1.09%
Most Divergent Holdings Stocks held by one fund but absent from the other
Only in AIVSX — Investment Co of America
StockWeight
British American Tobacco PLC2.72%
Taiwan Semiconductor Manufacturing Co Ltd1.62%
Canadian Natural Resources Ltd0.98%
Rolls-Royce Holdings PLC0.75%
TSM0.43%
Only in FCFMX — Fidelity Series Total Market Index Fund
StockWeight
AMD1.15%
WMT0.69%
COST0.58%
LRCX0.54%
PLTR0.49%

Run the full interactive analysis — compare up to 5 funds at once, see Venn diagrams, heatmaps, and more.

Run Full Analysis →
Frequently Asked Questions (FAQs)
What is the portfolio overlap between AIVSX and FCFMX?

AIVSX (Investment Co of America) and FCFMX (Fidelity Series Total Market Index Fund) share 47.7% portfolio overlap as of AIVSX's March 31, 2026 filing and FCFMX's May 31, 2026 filing, across 133 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 AIVSX and FCFMX invest in the same stocks?

Somewhat. The two funds share a meaningful set of stocks, though each also holds distinct positions the other does not.

What are the top stocks held by both AIVSX and FCFMX?

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

Related Comparisons
AIVSX — Investment Co of America vs FSAKX — Strategic Advisers U.S. Total Stock FundAIVSX — Investment Co of America vs CNWAX — New World Fund IncAIVSX — Investment Co of America vs XLK — State Street(R) Technology Select Sector SPDR(R) ETFAWSHX — Washington Mutual Investors Fund vs FCFMX — Fidelity Series Total Market Index FundCNWAX — New World Fund Inc vs FCFMX — Fidelity Series Total Market Index FundDODGX — Dodge & Cox Stock Fund vs FCFMX — Fidelity Series Total Market Index Fund