When did STT join the S&P 500?

State Street Corporation joined the S&P 500 index on 2003-03-14.

What sector is STT in?

STT is in the Financials sector, Asset Management & Custody Banks industry.

STT — State Street Corporation

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

Asset Management & Custody Banks · Financials

State Street Corporation is a financial holding company. It conducts its business primarily through State Street Bank. The company operates through the following business segments: Investment Servicing and Investment Management. The Investment Servicing business provides custody, product and participant-level accounting, daily pricing and services, fund accounting and administration, recordkeeping, cash management, foreign exchange, brokerage and other transaction services, securities financing, deposit and short-term investment facilities, loan and lease financing, investment manager and alternative investment manager outsourcing, and performance, risk and compliance analytics. The Investment Management business is provided through State Street Global Advisors, which offers a broad range of investment management, investment research and investment advisory services to corporations, public funds and other sophisticated investors. It provides strategies for managing financial assets, including passive and active approaches, such as enhanced indexing, using quantitative and fundamental methods to manage U.S. and global equity and fixed income securities.

Industry Peers

AMP APO ARES BEN BLK BNY BX IVZ KKR NTRS

Sector Peers

ACGL AFL AIG AIZ AJG ALL AMP AON APO ARES

Key Facts

Status	Active
Sector	Financials
Industry	Asset Management & Custody Banks
Joined	2003-03-14
Tenure	23 yrs

S&P 500 Timeline

2003-03-14Joined S&P 500

Institutional Holdings (13F)

2,088 institutions hold STT, totaling 743.8M shares ($79.2B) · As of 2026Q1

Rank	Institution	Shares	Value
1	MORGAN STANLEY	49.0M	$5.4B
2	VANGUARD CAPITAL MANAGEMENT LLC	35.3M	$4.5B
3	REGENTS OF THE UNIVERSITY OF CALIFORNIA	31.6M	$4.0B
4	LPL Financial LLC	40.0M	$3.9B
5	GOLDMAN SACHS GROUP INC	35.1M	$3.7B
6	BlackRock, Inc.	24.1M	$3.0B
7	VANGUARD PORTFOLIO MANAGEMENT LLC	16.1M	$2.0B
8	Financial Engines Advisors L.L.C.	17.4M	$1.7B
9	STATE STREET CORP	13.4M	$1.7B
10	FMR LLC	13.4M	$1.6B

View all holders →

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