When did MSCI join the S&P 500?

MSCI joined the S&P 500 index on 2018-04-04.

What sector is MSCI in?

MSCI is in the Financials sector, Financial Exchanges & Data industry.

MSCI — MSCI

Name: MSCI Institutional Holdings (13F) — 2026Q1
Creator: SEC EDGAR
License: https://www.sec.gov/data

Financial Exchanges & Data · Financials

MSCI Inc. provides investment decision support tools, including indices, portfolio risk and performance analysis, and corporate governance products and services. It operates through the following segments: Indices, Analytics, ESG and Climate, and All Other Private Assets. The Indices segment focuses on the investment process, including the development of index financial products. The Analytics segment offers risk management, performance attribution, and portfolio management content, applications, and services. The ESG and Climate segment provides data, ratings, research, and tools to help investors navigate increasing regulatory requirements, meet new client demands, and better integrate ESG and climate factors into their investment processes. The All Other Private Assets segment provides commercial intelligence products for real estate owners, managers, developers, and brokers.

Key Facts

Status	Active
Sector	Financials
Industry	Financial Exchanges & Data
Joined	2018-04-04
Tenure	8 yrs

S&P 500 Timeline

2018-04-04Joined S&P 500

Industry Peers

CBOE CME COIN FDS ICE MCO NDAQ SPGI

Sector Peers

ACGL AFL AIG AIZ AJG ALL AMP AON APO ARES

Institutional Holdings (13F)

2,043 institutions hold MSCI, totaling 1.14B shares ($101.6B) · As of 2026Q1

Rank	Institution	Shares	Value
1	MORGAN STANLEY	127.2M	$9.6B
2	GOLDMAN SACHS GROUP INC	137.7M	$6.8B
3	VANGUARD CAPITAL MANAGEMENT LLC	9.3M	$5.0B
4	BlackRock, Inc.	36.4M	$4.9B
5	BARCLAYS PLC	30.3M	$3.5B
6	DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	9.9M	$2.8B
7	BANK OF AMERICA CORP /DE/	27.2M	$2.4B
8	VANGUARD PORTFOLIO MANAGEMENT LLC	4.0M	$2.2B
9	STATE STREET CORP	3.6M	$1.7B
10	State of Tennessee, Department of Treasury	22.3M	$1.7B

View all holders →

Data source: Wikipedia · CC BY-SA 4.0 · SEC EDGAR 13F · Updated 2026-07-10