Lennox International Set to Join S&P 500 and BILL Holdings to Join S&P MidCap 400

Rhea-AI Summary

Lennox International (NYSE: LII) will join the S&P 500 and exit the S&P MidCap 400 prior to trading on Dec 23, 2024. BILL Holdings (NYSE: BILL) will replace Lennox in the S&P MidCap 400 the same day. Catalent (NYSE: CTLT) is being removed from the S&P 500 following its acquisition by Novo Holdings, which closed on Dec 18, 2024.

Changes and tickers: LII added to S&P 500 and deleted from MidCap 400; BILL added to MidCap 400; CTLT deleted from S&P 500. Effective date: Dec 23, 2024.

Positive

• Lennox added to S&P 500 effective Dec 23, 2024
• BILL Holdings added to S&P MidCap 400 effective Dec 23, 2024

Negative

• Catalent removed from S&P 500 following acquisition closed Dec 18, 2024
• Lennox deleted from S&P MidCap 400 effective Dec 23, 2024

Market Context

This announcement details BILL’s inclusion in the S&P MidCap 400 effective Dec 23, 2024, a technical...

Analysis

This announcement details BILL’s inclusion in the S&P MidCap 400 effective Dec 23, 2024, a technical change that can influence how index-linked investors access the stock. In the months around other catalysts, such as Q2 FY2026 earnings with revenue of $414.7M, price reactions varied widely. Investors may watch how BILL trades relative to its $47.13 200-day moving average and prior high of $57.21, and how future earnings and product updates interact with this new index membership.

Key Figures

Effective date: Dec 23, 2024 BILL price change: 5.91% 52-week high: $57.21 +5 more

8 metrics

Effective date Dec 23, 2024 Index changes effective prior to market open

BILL price change 5.91% Pre-news 24h move for BILL around index-add announcement

52-week high $57.21 BILL pre-news 52-week high level

52-week low $34.44 BILL pre-news 52-week low level

Market cap $3,434,916,872 BILL pre-news market capitalization

S&P 500 addition 1 company Lennox International to join S&P 500 on Dec 23, 2024

S&P 500 deletion 1 company Catalent removed from S&P 500 after acquisition closing

S&P MidCap 400 addition 1 company BILL Holdings to join S&P MidCap 400 on Dec 23, 2024

Historical Context

5 past events · Latest: Apr 08 (Positive)

Pattern 5 events

Date	Event	Sentiment	24h Move	Catalyst
Apr 08	Product expansion	Positive	-0.5%	Expanded Supplier Payments Plus to enhance automation and payment visibility.
Mar 02	AI partnership	Positive	-0.7%	Rillet partnership to power real-time AI-native finance workflows.
Feb 12	Investor conferences	Neutral	+1.3%	Planned participation in multiple late-February and March 2026 conferences.
Feb 05	Earnings release	Positive	+37.2%	Q2 FY2026 results with higher revenue and strong core growth.
Jan 13	Earnings date set	Neutral	-1.9%	Announcement of timing for upcoming Q2 FY2026 earnings release.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

Past positive product and earnings news sometimes triggered strong upside (notably Q2 FY2026), but other operational updates saw muted or negative next-day moves.

Recent Company History

Over the last few quarters, BILL reported growing scale, with Q2 FY2026 revenue reaching $414.7M and driving a strong 37.16% one-day gain on earnings. Other updates, such as partnerships, product enhancements, and conference participation, produced modest or slightly negative price reactions. Today’s index-addition news differs from these fundamental or investor-relations catalysts, representing a technical inclusion event layered on top of an already volatile news-response history.

Key Terms

s&p 500, s&p midcap 400, gics sector, index

4 terms

s&p 500 financial

"Dec 23, 2024 | S&P 500 | Addition | Lennox International"

The S&P 500 is a broad stock market index that tracks the performance of 500 large U.S. companies, weighted so bigger firms have a larger impact. Investors use it like a thermometer or benchmark to judge how the overall U.S. stock market or a portfolio is doing; movements in the index influence investor sentiment, fund performance, and many passive investment products that aim to match its returns.

View in glossary

s&p midcap 400 financial

"Dec 23, 2024 | S&P MidCap 400 | Addition | BILL Holdings"

The S&P MidCap 400 is a group of 400 companies that are smaller than the big, well-known corporations but larger than tiny startups. It helps investors see how medium-sized companies are performing in the stock market, acting like a barometer for this middle-sized group of businesses.

gics sector technical

"Effective Date | Index Name | Action | Company Name | Ticker | GICS Sector"

GICS sector is one of the major industry groupings from the Global Industry Classification Standard, a system that sorts companies into consistent categories (like Technology or Health Care) based on the primary business they do. Investors use these sectors like folders in a filing cabinet to compare companies, build diversified portfolios, and track how whole parts of the market are performing rather than focusing on single stocks.

index financial

"For more information about S&P Dow Jones Indices, please visit"

An index is a single number that tracks the combined performance of a group of stocks, bonds or other assets, acting like a market scorecard or thermometer for a particular industry, country or investment style. Investors use indexes to judge how a market or sector is doing, compare fund managers, and build or measure portfolios, since many funds aim to match or beat an index’s return.

View in glossary

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

NEW YORK, Dec. 18, 2024 /PRNewswire/ -- S&P MidCap 400 constituent Lennox International Inc. (NYSE: LII) will replace Catalent Inc. (NYSE: CTLT) in the S&P 500, and BILL Holdings Inc. (NYSE: BILL) will replace Lennox International in the S&P MidCap 400 effective prior to the opening of trading on Monday, December 23. Novo Holdings A/S has acquired Catalent in a deal that closed today, December 18.

Following is a summary of the changes that will take place prior to the open of trading on the effective date:

Effective Date	Index Name		Action	Company Name	Ticker	GICS Sector
Dec 23, 2024	S&P 500	Addition		Lennox International	LII	Industrials
Dec 23, 2024	S&P 500	Deletion		Catalent	CTLT	Health Care
Dec 23, 2024	S&P MidCap 400	Addition		BILL Holdings	BILL	Information Technology
Dec 23, 2024	S&P MidCap 400	Deletion		Lennox International	LII	Industrials

For more information about S&P Dow Jones Indices, please visit www.spdji.com

ABOUT S&P DOW JONES INDICES

S&P Dow Jones Indices is the largest global resource for essential index-based concepts, data and research, and home to iconic financial market indicators, such as the S&P 500® and the Dow Jones Industrial Average®. More assets are invested in products based on our indices than products based on indices from any other provider in the world. Since Charles Dow invented the first index in 1884, S&P DJI has been innovating and developing indices across the spectrum of asset classes helping to define the way investors measure and trade the markets.

S&P Dow Jones Indices is a division of S&P Global (NYSE: SPGI), which provides essential intelligence for individuals, companies, and governments to make decisions with confidence. For more information, visit www.spdji.com.

FOR MORE INFORMATION:

S&P Dow Jones Indices
index_services@spglobal.com

Media Inquiries
spdji.comms@spglobal.com

View original content:https://www.prnewswire.com/news-releases/lennox-international-set-to-join-sp-500-and-bill-holdings-to-join-sp-midcap-400-302335548.html

SOURCE S&P Dow Jones Indices

FAQ

When will Lennox International (LII) officially join the S&P 500?

Lennox will join the S&P 500 prior to market open on Dec 23, 2024. According to S&P Dow Jones Indices, the change is part of a routine index reconstitution and will be effective before trading begins that day.

Why is Catalent (CTLT) being removed from the S&P 500 on Dec 23, 2024?

Catalent is being removed because Novo Holdings completed an acquisition closed on Dec 18, 2024. According to S&P Dow Jones Indices, the takeover triggered CTLT's deletion from the S&P 500 ahead of Dec 23, 2024 rebalancing.

What change will BILL Holdings (BILL) see in the S&P indices on Dec 23, 2024?

BILL will be added to the S&P MidCap 400 prior to trading on Dec 23, 2024. According to S&P Dow Jones Indices, BILL replaces Lennox in the MidCap 400 effective that date.

How does the Dec 23, 2024 index reconstitution affect Lennox's index membership?

Lennox will leave the S&P MidCap 400 and enter the S&P 500 on Dec 23, 2024. According to S&P Dow Jones Indices, LII's midcap deletion coincides with its S&P 500 addition the same day.

Who announced the S&P index changes effective Dec 23, 2024?

S&P Dow Jones Indices announced the index adjustments effective Dec 23, 2024. According to S&P Dow Jones Indices, the changes reflect the closed acquisition of Catalent and corresponding index reconstitution.

Where can investors find more details about the S&P index changes for LII, BILL, and CTLT?

Investors can find details on the S&P Dow Jones Indices website and their index notices. According to S&P Dow Jones Indices, full listings and timing information are posted on www.spdji.com around the effective date.