Index Rebalance and Special Situations Coverage, Quiddity Advisors

Anjana Amarasuriya

Index Rebalance and Special Situations Coverage

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul><li>The SP 500 index tracks the 500 largest names listed in the US and it is one of the most highly-tracked indices in the world.</li><li>In this insight, we take a look at the upcoming constituent changes in the run up to the December 2025 index rebal event.</li><li>The index changes for the December 2025 rebal will be based on the open of 3rd December 2025 and announced after the close of 5th December 2025.</li></ul>

The SP 500 index tracks the 500 largest names listed in the US and it is one of the most highly-tracked indices in the world.In this insight, we take a look at the upcoming constituent changes in the run up to the December 2025 index rebal event.The index changes for the December 2025 rebal will be based on the open of 3rd December 2025 and announced after the close of 5th December 2025.

Quiddity Leaderboard SP500/600 Dec25 Rebal: Last Minute Surprise in The Leading Names

US-EU Index Rebalances / Quantitative Researcher, ORTEX

Dimitris Ioannidis

US-EU Index Rebalances / Quantitative Researcher

Global Financial Data and Analytics Platform

ORTEX

ORTEX is a global financial data and analytics platform providing real-time securities lending and short interest data, index rebalance data, holdings and insider transactions, trading signals, corporate actions and news,  stock machine learning and factor scores and other analytics. The majority of the data are downloadable and accessible through APIs.

<ul>
<li>
<a href="https://www.smartkarma.com/entities/crh-plc-054117b2-cd70-470a-9efc-8f6fab2c83ec" target="_blank" data-smartkarma-citation="entities:28655:1" rel="noopener">CRH (CRH US)</a> and <a href="https://www.smartkarma.com/entities/comfort-systems-usa-inc" target="_blank" data-smartkarma-citation="entities:6730:1" rel="noopener">Comfort Systems USA (FIX US)</a> are the main candidates for addition due to consistently high eligibility scores.</li>
<li>
<a href="https://www.smartkarma.com/entities/pure-storage-inc" target="_blank" data-smartkarma-citation="entities:27421:1" rel="noopener">Pure Storage Inc (PSTG US)</a> and <a href="https://www.smartkarma.com/entities/solstice-advanced-materials" target="_blank" data-smartkarma-citation="entities:45953:1" rel="noopener">Solstice Advanced Materials (SOLS US)</a> face reduced conviction due to sector balance and turnover.</li>
<li>
<a href="https://www.smartkarma.com/entities/vertiv-holdings-co" target="_blank" data-smartkarma-citation="entities:33140:1" rel="noopener">Vertiv Holdings Co (VRT US)</a> has a higher probability of inclusion following the acquisition of <a href="https://www.smartkarma.com/entities/kellogg-co" target="_blank" data-smartkarma-citation="entities:16090:1" rel="noopener">Kellogg Co (K US)</a> which is still pending.</li>
</ul>



CRH (CRH US) and Comfort Systems USA (FIX US) are the main candidates for addition due to consistently high eligibility scores.

Pure Storage Inc (PSTG US) and Solstice Advanced Materials (SOLS US) face reduced conviction due to sector balance and turnover.

Vertiv Holdings Co (VRT US) has a higher probability of inclusion following the acquisition of Kellogg Co (K US) which is still pending.


S&P500 December 2025 Final Forecast: FIX & CRH Leading the Pack

Pan-Asia Catalysts/Events, Quiddity Advisors

Travis Lundy

<ul>
<li>The SP 500 index tracks the 500 largest names listed in the US and it is one of the most highly-tracked indices in the world.</li>
<li>In this insight, we take a look at the upcoming constituent changes in the run up to the December 2025 index rebal event.</li>
<li>We expect two regular changes in December 2025. There are also multiple live M&amp;A events which are likely to trigger intra-review index changes.</li>
</ul>


The SP 500 index tracks the 500 largest names listed in the US and it is one of the most highly-tracked indices in the world.
In this insight, we take a look at the upcoming constituent changes in the run up to the December 2025 index rebal event.
We expect two regular changes in December 2025. There are also multiple live M&amp;A events which are likely to trigger intra-review index changes.


[Quiddity Index] SP500/600 Dec25 Rebal: Two ADDs Two DELs and 3 Intra-Review Changes Likely Soon

<ul>
<li>
<a href="https://www.smartkarma.com/entities/microstrategy-inc-cl-a" target="_blank" data-smartkarma-citation="entities:14717:1" rel="noopener">Microstrategy Inc Cl A (MSTR US)</a> became eligible for inclusion in S&amp;P500 following its quarterly earnings of $10bn on 31 July.</li>
<li>
<a href="https://www.smartkarma.com/entities/robinhood-markets-inc" target="_blank" data-smartkarma-citation="entities:33532:1" rel="noopener">Robinhood Markets (HOOD US)</a>, <a href="https://www.smartkarma.com/entities/microstrategy-inc-cl-a" target="_blank" data-smartkarma-citation="entities:14717:1" rel="noopener">Microstrategy Inc Cl A (MSTR US)</a>, and <a href="https://www.smartkarma.com/entities/applovin-corp" target="_blank" data-smartkarma-citation="entities:32989:1" rel="noopener">AppLovin (APP US)</a> are the main candidates for addition from TMI at the September 2025 review.</li>
<li>
<a href="https://www.smartkarma.com/entities/interactive-brokers-group-inc" target="_blank" data-smartkarma-citation="entities:13335:1" rel="noopener">Interactive Brokers Group, Inc (IBKR US)</a> and <a href="https://www.smartkarma.com/entities/emcor-group-inc" target="_blank" data-smartkarma-citation="entities:20703:1" rel="noopener">Emcor Group Inc (EME US)</a> are the main candidates for addition from MidCap at the September 2025 review.</li>
</ul>



Microstrategy Inc Cl A (MSTR US) became eligible for inclusion in S&amp;P500 following its quarterly earnings of $10bn on 31 July.

Robinhood Markets (HOOD US), Microstrategy Inc Cl A (MSTR US), and AppLovin (APP US) are the main candidates for addition from TMI at the September 2025 review.

Interactive Brokers Group, Inc (IBKR US) and Emcor Group Inc (EME US) are the main candidates for addition from MidCap at the September 2025 review.


S&P500 September 2025 Initial Forecast: MicroStrategy (MSTR) Emerges Post-Earnings

Interactive Brokers Group, Inc / Index Rebalance

<ul>
<li>
<a href="https://www.smartkarma.com/entities/interactive-brokers-group-inc" target="_blank" data-smartkarma-citation="entities:13335:1" rel="noopener">Interactive Brokers (IBKR US),</a><a href="https://www.smartkarma.com/entities/duolingo-inc" target="_blank" data-smartkarma-citation="entities:33531:1" rel="noopener">Duolingo (DUOL US)</a> and <a href="https://www.smartkarma.com/entities/emcor-group-inc" target="_blank" data-smartkarma-citation="entities:20703:1" rel="noopener">EMCOR (EME US)</a> are the main candidates for addition at review to replace <a href="https://www.smartkarma.com/entities/enphase-energy-inc" target="_blank" data-smartkarma-citation="entities:8872:1" rel="noopener">Enphase Energy (ENPH US)</a> and <a href="https://www.smartkarma.com/entities/caesars-entertainment-corp" target="_blank" data-smartkarma-citation="entities:15532:1" rel="noopener">Caesars Entertainment (CZR US)</a>. </li>
<li>
<a href="https://www.smartkarma.com/entities/cheniere-energy-inc" target="_blank" data-smartkarma-citation="entities:16683:1" rel="noopener">Cheniere Energy (LNG US)</a> and <a href="https://www.smartkarma.com/entities/applovin-corp" target="_blank" data-smartkarma-citation="entities:32989:1" rel="noopener">AppLovin (APP US)</a> are the main candidates for the replacement of the acquisition of <a href="https://www.smartkarma.com/entities/ansys-inc" target="_blank" data-smartkarma-citation="entities:15473:1" rel="noopener">Ansys (ANSS US)</a> which is anticipated end of June.</li>
<li>There is a possibility of zero S&amp;P500 changes at the review due to candidates scoring low in market cap and sector balance.</li>
</ul>



Interactive Brokers (IBKR US),Duolingo (DUOL US) and EMCOR (EME US) are the main candidates for addition at review to replace Enphase Energy (ENPH US) and Caesars Entertainment (CZR US). 

Cheniere Energy (LNG US) and AppLovin (APP US) are the main candidates for the replacement of the acquisition of Ansys (ANSS US) which is anticipated end of June.
There is a possibility of zero S&amp;P500 changes at the review due to candidates scoring low in market cap and sector balance.


S&P500 June 2025 Review Forecast: Weak but Interactive, Time for Duolingo?

United States

Mohawk Industries, Inc. designs, manufactures, sources, distributes and markets flooring for residential and commercial applications.  The Company offers carpet, ceramic tile, laminate, wood, stone, vinyl, and rugs.  Mohawk markets residential and commercial flooring in the United States, and residential flooring in Europe.

Price Gauge
52-week Range	0.00 - 0.00
Market Cap (USDm)	0.00
P/E	0.00
Dividend (Yield)	0.00

Mohawk Industries (MHK US)

Quiddity Leaderboard SP500/600 Dec25 Rebal: Last Minute Surprise in The Leading Names

SP500 rankings will be decided at today's open and announced on 5 December after the close. We see $100bn to trade across the SP500 complex. Kalshi...

Anjana Amarasuriya

S&P500 December 2025 Final Forecast: FIX & CRH Leading the Pack

CRH and FIX are top candidates for addition in December 2025, while PSTG and SOLS face reduced conviction. VRT has a higher chance of inclusion...

Dimitris Ioannidis

[Quiddity Index] SP500/600 Dec25 Rebal: Two ADDs Two DELs and 3 Intra-Review Changes Likely Soon

SP500 could see two changes in Dec25. One has a lot to buy if chosen. There are also a few intra-review actions/changes scheduled for the near...

Travis Lundy

S&P500 September 2025 Initial Forecast: MicroStrategy (MSTR) Emerges Post-Earnings

MSTR is now eligible for S&P500 inclusion after reporting $10bn in Q2 earnings on July 31, joining HOOD, IBKR, EME and APP among the top candidates...

Dimitris Ioannidis

S&P500 June 2025 Review Forecast: Weak but Interactive, Time for Duolingo?

No index changes materialized, and the candidates are weak indeed. Nonetheless, I still expected eligible midcap constituents to replace CZR and/or...

Dimitris Ioannidis

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

Quiddity Leaderboard SP500/600 Dec25 Rebal: Last Minute Surprise in The Leading Names

SP500 rankings will be decided at today's open and announced on 5 December after the close. We see $100bn to trade across the SP500 complex. Kalshi...

Anjana Amarasuriya

S&P500 December 2025 Final Forecast: FIX & CRH Leading the Pack

​CRH and FIX are top candidates for addition in December 2025, while PSTG and SOLS face reduced conviction. VRT has a higher chance of inclusion...

Dimitris Ioannidis

[Quiddity Index] SP500/600 Dec25 Rebal: Two ADDs Two DELs and 3 Intra-Review Changes Likely Soon

SP500 could see two changes in Dec25. One has a lot to buy if chosen. There are also a few intra-review actions/changes scheduled for the near...

Travis Lundy

S&P500 September 2025 Initial Forecast: MicroStrategy (MSTR) Emerges Post-Earnings

MSTR is now eligible for S&P500 inclusion after reporting $10bn in Q2 earnings on July 31, joining HOOD, IBKR, EME and APP among the top candidates...

Dimitris Ioannidis

S&P500 June 2025 Review Forecast: Weak but Interactive, Time for Duolingo?

No index changes materialized, and the candidates are weak indeed. Nonetheless, I still expected eligible midcap constituents to replace CZR and/or...

Dimitris Ioannidis

CRH and FIX are top candidates for addition in December 2025, while PSTG and SOLS face reduced conviction. VRT has a higher chance of inclusion...