Five9 Set to Join S&P SmallCap 600

Rhea-AI Summary

Five9 (NASD: FIVN) will join the S&P SmallCap 600, replacing Two Harbors Investment (NYSE: TWO) effective prior to the market open on Monday, August 3, 2026. S&P Dow Jones Indices states this change follows CrossCountry Mortgage’s planned acquisition of Two Harbors, which remains subject to final closing conditions.

Positive

• Five9 added to S&P SmallCap 600 effective August 3, 2026
• Index change tied to completed acquisition process as closing conditions for Two Harbors deal near completion

Negative

• Two Harbors removed from S&P SmallCap 600 on August 3, 2026
• Index deletion linked to acquisition, ending Two Harbors’ representation in this benchmark

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, July 29, 2026 /PRNewswire/ -- Five9, Inc. (NASD: FIVN) will replace Two Harbors Investment Corp. (NYSE: TWO) in the S&P SmallCap 600 effective prior to the opening of trading on Monday, August 3. CrossCountry Mortgage, LLC is acquiring Two Harbors Investment Corp. in a deal expected to close soon, pending final closing conditions.

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
August 3, 2026	S&P SmallCap 600	Addition	Five9	FIVN	Information Technology
August 3, 2026	S&P SmallCap 600	Deletion	Two Harbors Investment	TWO	Financials

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.spglobal.com/spdji/en/. 

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/five9-set-to-join-sp-smallcap-600-302838329.html

SOURCE S&P Dow Jones Indices

FAQ

When will Five9 (FIVN) be added to the S&P SmallCap 600 index?

Five9 will be added to the S&P SmallCap 600 before trading opens on August 3, 2026. According to S&P Dow Jones Indices, Five9 will replace Two Harbors Investment as part of a scheduled index rebalancing.

Why is Two Harbors Investment (TWO) being removed from the S&P SmallCap 600?

Two Harbors Investment will be removed because CrossCountry Mortgage is acquiring the company. According to S&P Dow Jones Indices, the deletion from the S&P SmallCap 600 is effective August 3, 2026, pending final closing conditions of the transaction.

Which company is Five9 (FIVN) replacing in the S&P SmallCap 600 on August 3, 2026?

Five9 is replacing Two Harbors Investment (TWO) in the S&P SmallCap 600. According to S&P Dow Jones Indices, the change becomes effective prior to the opening of trading on August 3, 2026, after the Two Harbors acquisition closes.

How does joining the S&P SmallCap 600 affect Five9 (FIVN) shares?

The announcement confirms Five9’s inclusion in a widely followed small-cap index. According to S&P Dow Jones Indices, Five9 will join the S&P SmallCap 600 on August 3, 2026, potentially impacting index-tracking fund ownership and trading activity.

What role does S&P Global (SPGI) play in the Five9 and Two Harbors index change?

S&P Dow Jones Indices, a division of S&P Global, manages the S&P SmallCap 600. According to S&P Dow Jones Indices, it decided to add Five9 and delete Two Harbors as part of its regular index maintenance process.