US-EU Index Rebalances / Quantitative Researcher, ORTEX

Dimitris Ioannidis

Index Rebalance professional of US, EU and Global Indices. Specialized in shareholder structure and index free float calculation, SPACs, quarterly rebalance predictions of US-EU indices and cross-index implications of corporate actions such as M&A's, Spin-offs and IPOs.

All forecasts and calculations are estimates derived from a combination of public sources considered reliable. These sources include, but are not limited to, exchange and regulatory filings, company announcements, and ETFs. While best efforts are made to maximize accuracy, estimates and predictions are subject to uncertainty.

No index data are used.

US-EU Index Rebalances / Quantitative Researcher

Marvell Technology (MRVL US): Heroic Earnings Unlock S&P500 Eligibility

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

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

Nasdaq100 Dec2025 Forecast (Part 2): ALNY at the Top; GFS at the Bottom; Spinoffs Pending

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

<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

Comfort Systems Usa

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