When did BLK join the S&P 500?

BlackRock joined the S&P 500 index on 2011-04-01.

What sector is BLK in?

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

BLK — BlackRock

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

Asset Management & Custody Banks · Financials

Key Facts

Status	Active
Sector	Financials
Industry	Asset Management & Custody Banks
Joined	2011-04-01
Tenure	15 yrs

BlackRock is the world's largest asset management company, with assets under management of $13.464 trillion as of the end of September 2025. Its product portfolio is well-diversified, with equity strategies accounting for 55% of AUM, fixed income 24%, multi-asset 9%, money market funds 7%, and alternatives 5%. Passive strategies represent more than two-thirds of long-term AUM, and its ETF platform holds a leading market position both domestically and globally. Product distribution is primarily to institutional clients, which we estimate represent approximately 80% of AUM. BlackRock's business is geographically diversified, with clients in over 100 countries and more than one-third of AUM sourced from investors outside the US and Canada.

Industry Peers

AMP APO ARES BEN BNY BX IVZ KKR NTRS STT

Sector Peers

ACGL AFL AIG AIZ AJG ALL AMP AON APO ARES

S&P 500 Timeline

2011-04-01Joined S&P 500

Institutional Holdings (13F)

3,258 institutions hold BLK, totaling 3.25B shares ($238.9B) · As of 2026Q1

Rank	Institution	Shares	Value
1	MORGAN STANLEY	461.8M	$21.3B
2	ENVESTNET ASSET MANAGEMENT INC	445.3M	$18.4B
3	VANGUARD CAPITAL MANAGEMENT LLC	18.5M	$17.8B
4	BlackRock, Inc.	98.5M	$14.0B
5	LPL Financial LLC	194.8M	$7.6B
6	BANK OF AMERICA CORP /DE/	73.1M	$7.2B
7	STATE STREET CORP	6.3M	$6.0B
8	BARCLAYS PLC	6.1M	$5.1B
9	Temasek Holdings (Private) Ltd	5.3M	$5.1B
10	JPMORGAN CHASE & CO	107.6M	$5.1B

View all holders →

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