ETF and Mutual Fund Analysis

Holdings as of March 31, 2026 (AIVSX) and September 30, 2025 (ITOT)

ETF and Mutual Fund Analysis

Overlap, Comparison, and Diversification for Your Portfolio

Home > Compare > AIVSX vs ITOT Holdings as of March 31, 2026 (AIVSX) and September 30, 2025 (ITOT)

AIVSX vs ITOT: Portfolio Overlap

Investment Co of America vs iShares Core S&P Total U.S. Stock Market ETF

48.7%
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
ITOT
2484 equity holdings
as of September 30, 2025
131 stocks held in common
Overlap View Venn Diagram
48.7% OVERLAP AIVSX ITOT
Overlapping Holdings
10 Top 10 of 131 shared, by overlap contribution
# Stock AIVSX ITOT Overlap%
1
NVDA
 6.71% 7.02% 6.71%
2
MSFT
 5.81% 5.94% 5.81%
3
AMZN
 4.85% 3.29% 3.29%
4
META
 2.68% 2.46% 2.46%
5
AVGO
 6.31% 2.39% 2.39%
6
AAPL
 2.29% 5.83% 2.29%
7
GOOGL
 2.57% 2.18% 2.18%
8
GOOG
 2.19% 1.75% 1.75%
9
JPM
 1.09% 1.34% 1.09%
10
LLY
 3.45% 0.94% 0.94%
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 ITOT — iShares Core S&P Total U.S. Stock Market ETF
StockWeight
WMT0.70%
PLTR0.64%
COST0.63%
BAC0.54%
CVX0.46%

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Frequently Asked Questions (FAQs)
What is the portfolio overlap between AIVSX and ITOT?

AIVSX (Investment Co of America) and ITOT (iShares Core S&P Total U.S. Stock Market ETF) share 48.7% portfolio overlap as of AIVSX's March 31, 2026 filing and ITOT's September 30, 2025 filing, across 131 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 ITOT 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 ITOT?

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.

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