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 Select Sector indices are a family of 11 sector-specific indices derived from the SP 500 index based on GICS (Global Industry Classification Standard) classifications.</li>
<li>Large flows in the Communication Services (XLC) Index are driven by a secondary re-weighting triggered after the March 2026 rebalance that we expect to be corrected in June.</li>
<li>Intra-Review changes are expected to trigger an additional US$2.8bn of one-way flows across the Select Sector indices if implemented before the June 2026 regular rebalance.</li>
</ul>


The SP Select Sector indices are a family of 11 sector-specific indices derived from the SP 500 index based on GICS (Global Industry Classification Standard) classifications.
Large flows in the Communication Services (XLC) Index are driven by a secondary re-weighting triggered after the March 2026 rebalance that we expect to be corrected in June.
Intra-Review changes are expected to trigger an additional US$2.8bn of one-way flows across the Select Sector indices if implemented before the June 2026 regular rebalance.


Quiddity Leaderboard SP Select Sector Jun26 Rebal: Over US$10bn One-Way Flow Expected

<ul>
<li>The Nasdaq 100 index tracks the 100 largest names listed on the Nasdaq Stock Exchange.</li>
<li>In this insight, we have presented our expectations for ADDs/DELs for the upcoming quarterly rebalance in June 2026 and for the annual reconstitution in December 2026.</li>
<li>There is one imminent intra-review change before the upcoming June rebal event.</li>
</ul>


The Nasdaq 100 index tracks the 100 largest names listed on the Nasdaq Stock Exchange.
In this insight, we have presented our expectations for ADDs/DELs for the upcoming quarterly rebalance in June 2026 and for the annual reconstitution in December 2026.
There is one imminent intra-review change before the upcoming June rebal event.


Quiddity Leaderboard NASDAQ 100 Jun26 Rebal: TWO Regular ADDs/DELs + ONE Intra-Review Change Coming

<ul>
<li>The ADDs/DELs for SP500, SP MidCap400, and SP SmallCap600 indices for the March 2026 index rebal event were announced after market close on Friday 6 March 2026. </li>
<li>There are 4 ADD/DELs for the SP 500, all of which will also be added to and deleted from the SP 500 Equal Weight and their corresponding Select Sector indices.</li>
<li>In this insight, we take a look at our final flow expectations for each of these confirmed index changes. We see $26bn of flows, one-way.</li>
</ul>


The ADDs/DELs for SP500, SP MidCap400, and SP SmallCap600 indices for the March 2026 index rebal event were announced after market close on Friday 6 March 2026. 
There are 4 ADD/DELs for the SP 500, all of which will also be added to and deleted from the SP 500 Equal Weight and their corresponding Select Sector indices.
In this insight, we take a look at our final flow expectations for each of these confirmed index changes. We see $26bn of flows, one-way.


Quiddity SP 500 Mar26 Results: Over US$26bn Total One-Way Flows

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.

<ul>
<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> and <a href="https://www.smartkarma.com/entities/coherent-corp" target="_blank" data-smartkarma-citation="entities:9518:1" rel="noopener">Coherent (COHR US)</a> are the main candidates for addition, based on high eligibility scores.</li>
<li>
<a href="https://www.smartkarma.com/entities/marvell-technology-inc" target="_blank" data-smartkarma-citation="entities:15837:1" rel="noopener">Marvell Technology (MRVL US)</a> and <a href="https://www.smartkarma.com/entities/lumentum-holdings-inc" target="_blank" data-smartkarma-citation="entities:12529:1" rel="noopener">Lumentum Holdings (LITE US)</a> face reduced conviction due to tech-sector balance.</li>
<li>
<a href="https://www.smartkarma.com/entities/echostar-corp-a" target="_blank" data-smartkarma-citation="entities:3225:1" rel="noopener">Echostar Corp A (SATS US)</a> faces reduced conviction because of earnings and float cap.</li>
</ul>



Vertiv Holdings Co (VRT US) and Coherent (COHR US) are the main candidates for addition, based on high eligibility scores.

Marvell Technology (MRVL US) and Lumentum Holdings (LITE US) face reduced conviction due to tech-sector balance.

Echostar Corp A (SATS US) faces reduced conviction because of earnings and float cap.


S&P500 March 2026 Forecast: VRT, COHR & SATS Leading the Pack

<ul>
<li>The SP 500 index tracks the 500 largest US-listed names and is one of the most highly-tracked indices in the world.</li>
<li>The rankings used for the March 2026 index rebal event will be based on yesterday's (4th March 2026) opening prices. The announcement will be made after the close on Friday.</li>
<li>In this insight, we take a look at our final expectations for ADDs/DELs (along with a tracker of all live spinoff/M&amp;A events which affect the index the next few quarters).</li>
</ul>


The SP 500 index tracks the 500 largest US-listed names and is one of the most highly-tracked indices in the world.
The rankings used for the March 2026 index rebal event will be based on yesterday's (4th March 2026) opening prices. The announcement will be made after the close on Friday.
In this insight, we take a look at our final expectations for ADDs/DELs (along with a tracker of all live spinoff/M&amp;A events which affect the index the next few quarters).


Quiddity Leaderboard SP500/600 Mar26 Rebal: Final Expectations

United States

EchoStar Corporation manufactures broadcast satellite receivers and antennas, and offers commercial satellite services.

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Echostar Corp A (SATS US)

Quiddity Leaderboard SP Select Sector Jun26 Rebal: Over US$10bn One-Way Flow Expected

A secondary re-weighting correction is set to drive over US$3.7bn of one-way flows in Communication Services in the June 2026 SP Select Sector...

Anjana Amarasuriya

Quiddity Leaderboard NASDAQ 100 Jun26 Rebal: TWO Regular ADDs/DELs + ONE Intra-Review Change Coming

New methodology introduces quarterly constituent reviews alongside weight adjustments, but even before it takes effect, we expect one intra-review...

Anjana Amarasuriya

Quiddity SP 500 Mar26 Results: Over US$26bn Total One-Way Flows

The SP500/400/600 review results for March 2026 were announced Friday. We got 2 of the four SP500 ADDs correct (our model defaults to two changes)...

Anjana Amarasuriya

S&P500 March 2026 Forecast: VRT, COHR & SATS Leading the Pack

Announced additions: VRT, COHR, SATS and LITE. Following the announcement, all four are trading higher in after hours by 5.2%, 0.7%, 3.2%, and...

Dimitris Ioannidis

Quiddity Leaderboard SP500/600 Mar26 Rebal: Final Expectations

Final expectations are presented for the S&P500 March 2026 rebalance, with SP 600 DELETEs also presented, which we think represent good trade ideas...

Anjana Amarasuriya

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