US-EU Index Rebalances / Quantitative Researcher

Dimitris Ioannidis

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.

Index Rebalance

Alnylam Pharmaceuticals / Index Rebalance

<ul>
<li>
<a href="https://www.smartkarma.com/entities/alnylam-pharmaceuticals-inc" target="_blank" data-smartkarma-citation="entities:2191:1" rel="noopener">Alnylam Pharmaceuticals (ALNY US)</a> just became eligible for S&amp;P500 following positive earnings released on 30 October 2025.</li>
<li>The company's market cap and other eligibility metrics are estimated to place it among the top 5 addition candidates for S&amp;P500 with a higher chance of inclusion in 2026.</li>
<li>Top 3 addition candidates for S&amp;P500 are <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</a>, <a href="https://www.smartkarma.com/entities/comfort-systems-usa-inc" target="_blank" data-smartkarma-citation="entities:6730:1" rel="noopener">FIX</a> and <a href="https://www.smartkarma.com/entities/pure-storage-inc" target="_blank" data-smartkarma-citation="entities:27421:1" rel="noopener">PSTG</a> with the next inclusion expected by the end of November following the Omnicom-Interpublic $13bn acquisition.</li>
</ul>



Alnylam Pharmaceuticals (ALNY US) just became eligible for S&amp;P500 following positive earnings released on 30 October 2025.
The company's market cap and other eligibility metrics are estimated to place it among the top 5 addition candidates for S&amp;P500 with a higher chance of inclusion in 2026.
Top 3 addition candidates for S&amp;P500 are CRH, FIX and PSTG with the next inclusion expected by the end of November following the Omnicom-Interpublic $13bn acquisition.


Alnylam Pharmaceuticals (ALNY US): On Track for S&P500 Inclusion Following Positive Earnings

Pan-Asia Catalysts/Events, Quiddity Advisors

Travis Lundy

Pan-Asia Catalysts/Events

Quiddity Advisors

<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>The $25.6bn acquisition of <a href="https://www.smartkarma.com/entities/interpublic-group-of-companies-inc" target="_blank" data-smartkarma-citation="entities:8544:1" rel="noopener">Interpublic Group Of Companies (IPG US)</a> by <a href="https://www.smartkarma.com/entities/omnicom-group" target="_blank" data-smartkarma-citation="entities:15775:1" rel="noopener">Omnicom Group (OMC US)</a> may close by 11 September, with a possible extension if the merger is delayed.</li>
<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 plc (CRH US)</a> is forecasted to be the primary replacement candidate of IPG in S&amp;P500, followed by <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>.</li>
<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 plc (CRH US)</a> regained eligibility after reporting positive quarterly earnings in August.</li>
</ul>


The $25.6bn acquisition of Interpublic Group Of Companies (IPG US) by Omnicom Group (OMC US) may close by 11 September, with a possible extension if the merger is delayed.

CRH plc (CRH US) is forecasted to be the primary replacement candidate of IPG in S&amp;P500, followed by Cheniere Energy (LNG US).

CRH plc (CRH US) regained eligibility after reporting positive quarterly earnings in August.


CRH (CRH US): Poised for S&P500 Inclusion Amid Positive Earnings and Omnicom–Interpublic Merger

<ul>
<li>The S&amp;P 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 now expect two regular changes in December 2025. There are also multiple live M&amp;A and special situation events likely to trigger intra-review index changes.</li>
</ul>


The S&amp;P 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 now expect two regular changes in December 2025. There are also multiple live M&amp;A and special situation events likely to trigger intra-review index changes.


[Quiddity Index] S&P500/600 Dec25 Rebal: 2 Regular ADDs/DELs + Multiple Intra-Review Changes Coming

Independent research on the U.S. markets, Baptista Research

Baptista Research

Independent research on the U.S. markets

Baptista Research is an independent financial research house focused on the U.S. markets. We provide equity research as well as credit research reports on the top-listed U.S. companies with most of our focus on technology, consumer goods and services, automobiles, industrials, oil and gas, pharma, and healthcare. Our research has served more than 3000 institutional investors including mutual funds, hedge funds, banks, family offices, and various buy-side firms. We operate a research subscription service where institutions, as well as retail investors, can have priority access to all our research. We also have a wide distribution of our research reports across some of the top global financial platforms. Apart from equity research and credit research, we also provide advisory services with respect to mergers & acquisitions (M&A), private equity/ venture capital fundraising, valuation reports, and investment management services for corporates.
Baptista Research is owned and managed by Ishan Majumdar, an ex-Venture Capitalist/ Investment Banker, a Chartered Accountant, and a Masters’ degree holder in Management from HEC Paris. Ishan has nearly a decade of experience in Mergers and Acquisitions, Leveraged Buyouts (LBOs), Venture Capital Investing, Corporate Strategy, and Valuation in front-office roles at the likes of BNP Paribas CIB, Credit Agricole CIB, Groupe Danone, and TIW Private Equity. He has worked on and closed multiple acquisition deals, leveraged buyouts, and start-up investment transactions.

Equity Bottom-Up

<ul><li>Pure Storage, a company specializing in data storage solutions, exhibited commendable performance in the second quarter of fiscal year 2026, surpassing revenue and operating profit projections.</li><li>The revenue for the quarter was $861 million, marking a 13% year-over-year rise, and the operating profit stood at $130 million, translating to an operating margin of 15.1%.</li><li>Significant revenue contributions came from large enterprises, alongside continued momentum in FlashBlade, Cloud Block Store, and Evergreen//One services.</li></ul>

Pure Storage, a company specializing in data storage solutions, exhibited commendable performance in the second quarter of fiscal year 2026, surpassing revenue and operating profit projections.The revenue for the quarter was $861 million, marking a 13% year-over-year rise, and the operating profit stood at $130 million, translating to an operating margin of 15.1%.Significant revenue contributions came from large enterprises, alongside continued momentum in FlashBlade, Cloud Block Store, and Evergreen//One services.

Pure Storage’s All-Flash Advantage: Why Hyperscalers Like Meta Are Betting Big!

United States

Everpure, Inc. provides enterprise storage solutions. The Company offers flash enterprise arrays for workloads including server consolidation, virtualization desktop, database, and cloud computing. Everpure serves automotive, education, health care, financial services, retail, and telecom sectors in the United States.

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Everpure (P US)

Alnylam Pharmaceuticals (ALNY US): On Track for S&P500 Inclusion Following Positive Earnings

After several extensions, Omnicom and IPG have just confirmed that the European Commission has granted antitrust approval for the acquisition,...

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

CRH (CRH US): Poised for S&P500 Inclusion Amid Positive Earnings and Omnicom–Interpublic Merger

After multiple extensions since September, Omnicom now confidently expects to complete its acquisition of Interpublic by the end of November, as...

Dimitris Ioannidis

[Quiddity Index] S&P500/600 Dec25 Rebal: 2 Regular ADDs/DELs + Multiple Intra-Review Changes Coming

The Dec25 SP500 rebal season threatens to be quite active. We now see two normal changes and a few intra-review changes are possible, which means...

Travis Lundy

Pure Storage’s All-Flash Advantage: Why Hyperscalers Like Meta Are Betting Big!

Pure Storage, a company specializing in data storage solutions, exhibited commendable performance in the second quarter of fiscal year 2026,...

Baptista Research

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