Index Rebalance and Special Situations, Quiddity Advisors

Afridi Reyal

Index Rebalance and Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul>
<li>The SE600 index is one of the most widely followed benchmark indices in Europe. It is not highly tracked, but we can expect many index changes during its quarterly review.</li>
<li>Our latest estimates suggest there could be 14 ADDs/DELs for SE600 in the June 2026 rebal.</li>
<li>The final rankings will be based on the float market caps as of the close of trading on 29th May 2026.</li>
</ul>


The SE600 index is one of the most widely followed benchmark indices in Europe. It is not highly tracked, but we can expect many index changes during its quarterly review.
Our latest estimates suggest there could be 14 ADDs/DELs for SE600 in the June 2026 rebal.
The final rankings will be based on the float market caps as of the close of trading on 29th May 2026.


Quiddity Leaderboard SE600 Jun26: Base Date This Week; Many Changes Incoming

<ul>
<li>In this insight, we take a look at the potential index changes for the F100 and F250 in the run-up to the June 2026 index rebal event.</li>
<li>Our latest estimates suggest there could be four regular changes for F100 and five regular changes for F250 during the June 2026 rebal.</li>
<li>We see three transfers and one new listing being added to the F250 index. Naturally, we expect F250 and FAllShare passive trackers to buy these names.</li>
</ul>


In this insight, we take a look at the potential index changes for the F100 and F250 in the run-up to the June 2026 index rebal event.
Our latest estimates suggest there could be four regular changes for F100 and five regular changes for F250 during the June 2026 rebal.
We see three transfers and one new listing being added to the F250 index. Naturally, we expect F250 and FAllShare passive trackers to buy these names.


Quiddity Leaderboard F100/F250 Jun26: Rosebank and Cordiant as F250 ADDs; 2 Weeks to Base Date

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>Rosebank Industries (ROSE LN), with a $4.7bn market cap, is the flagship F250 and All-Share forecasted addition following its listing transfer from AIM to Main Market.</li>
<li>
<a href="https://www.smartkarma.com/entities/harbour-energy-plc" target="_blank" data-smartkarma-citation="entities:25251:1" rel="noopener">Harbour Energy (HBR LN)</a> and <a href="https://www.smartkarma.com/entities/ithaca-energy-inc" target="_blank" data-smartkarma-citation="entities:23303:1" rel="noopener">Ithaca Energy (IAE LN)</a> are the main candidates to be added to F100 from F250 replacing <a href="https://www.smartkarma.com/entities/rightmove-plc" target="_blank" data-smartkarma-citation="entities:22116:1" rel="noopener">Rightmove (RMV LN)</a> and <a href="https://www.smartkarma.com/entities/berkeley-group-holdings-plc" target="_blank" data-smartkarma-citation="entities:21837:1" rel="noopener">Berkeley Group (BKG LN)</a>. </li>
<li>Barings Emerging EMEA Opportunities (BEMO LN) and Dialight (DIA LN) are high ADV-impact forecasted additions to SmallCap due to passing liquidity.</li>
</ul>


Rosebank Industries (ROSE LN), with a $4.7bn market cap, is the flagship F250 and All-Share forecasted addition following its listing transfer from AIM to Main Market.

Harbour Energy (HBR LN) and Ithaca Energy (IAE LN) are the main candidates to be added to F100 from F250 replacing Rightmove (RMV LN) and Berkeley Group (BKG LN). 
Barings Emerging EMEA Opportunities (BEMO LN) and Dialight (DIA LN) are high ADV-impact forecasted additions to SmallCap due to passing liquidity.


UK Index Forecasts - Jun26: ROSE Blossoms Into F250 Following Listing Transfer

<ul>
<li>In this insight, we take a look at the potential index changes for the F100 and F250 in the run-up to the June 2026 index rebal event.</li>
<li>Our latest estimates suggest there could be one regular change for F100 and two regular changes for F250 during the June 2026 rebal.</li>
<li>
<a href="https://www.smartkarma.com/entities/carnival-plc" target="_blank" data-smartkarma-citation="entities:21869:1" rel="noopener">Carnival (CCL LN)</a> is set to be deleted from F250 on 5th May 2026. Its replacement is being announced today and we have shared our final expectation.</li>
</ul>


In this insight, we take a look at the potential index changes for the F100 and F250 in the run-up to the June 2026 index rebal event.
Our latest estimates suggest there could be one regular change for F100 and two regular changes for F250 during the June 2026 rebal.

Carnival (CCL LN) is set to be deleted from F250 on 5th May 2026. Its replacement is being announced today and we have shared our final expectation.


Quiddity Leaderboard F100/F250 Jun26: Carnival F250 Replacement 5 May; One F100 and Two F250 Changes

<ul>
<li>The SE600 index is one of the most widely followed benchmark indices in Europe. It is not highly tracked, but we can expect many index changes during its quarterly review.</li>
<li>In this insight, we take a look at the potential index changes for the SE600 index for the June 2026 rebal.</li>
<li>The final rankings will be based on the float market caps as of the close of trading on 29th May 2026.</li>
</ul>


The SE600 index is one of the most widely followed benchmark indices in Europe. It is not highly tracked, but we can expect many index changes during its quarterly review.
In this insight, we take a look at the potential index changes for the SE600 index for the June 2026 rebal.
The final rankings will be based on the float market caps as of the close of trading on 29th May 2026.


Quiddity Leaderboard SE600 Jun26: TEN ADDs/DELs; Many Intra-Review Changes After Rebal

United Kingdom

Computacenter plc provides distributed information technology and related services to corporate and public sector organizations.  The Group's services are divided into three sectors: logistical operations, consolidation and integration, and operational management.  Computacenter has operations in the UK, France, Luxembourg and Belgium.

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Computacenter PLC (CCC LN)

Quiddity Leaderboard SE600 Jun26: Base Date This Week; Many Changes Incoming

The final rankings for the June 2026 rebal will be based on data as of 29th May 2026. The ADDs/DELs will be announced on 1st June 2026. Bank...

Afridi Reyal

Quiddity Leaderboard F100/F250 Jun26: Rosebank and Cordiant as F250 ADDs; 2 Weeks to Base Date

We see F250 and FAllShare passive buying for Rosebank, Cordiant, GlobalData, and Meridian on 19th June 2026. We also expect four changes to F100.

Afridi Reyal

UK Index Forecasts - Jun26: ROSE Blossoms Into F250 Following Listing Transfer

Rosebank Industries is set to be added to F250 and All-Share following its transfer to the Main Market, while Harbour Energy and Ithaca Energy are...

Dimitris Ioannidis

Quiddity Leaderboard F100/F250 Jun26: Carnival F250 Replacement 5 May; One F100 and Two F250 Changes

We see one F100 and two F250 changes. Harbour hovers around the F100 ADD border, while Seraphim and Young &Co sit close to the F250 ADD border.

Afridi Reyal

Quiddity Leaderboard SE600 Jun26: TEN ADDs/DELs; Many Intra-Review Changes After Rebal

Based on the latest estimates, we now expect 10 ADDs and 10 DELs. The ADDs collectively have an inflow of around US$200mn to trade. We have one...

Afridi Reyal

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52-week Range

Market Cap (USDm)

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Quiddity Leaderboard SE600 Jun26: Base Date This Week; Many Changes Incoming

The final rankings for the June 2026 rebal will be based on data as of 29th May 2026. The ADDs/DELs will be announced on 1st June 2026. Bank...

Afridi Reyal

Quiddity Leaderboard F100/F250 Jun26: Rosebank and Cordiant as F250 ADDs; 2 Weeks to Base Date

We see F250 and FAllShare passive buying for Rosebank, Cordiant, GlobalData, and Meridian on 19th June 2026. We also expect four changes to F100.

Afridi Reyal

UK Index Forecasts - Jun26: ROSE Blossoms Into F250 Following Listing Transfer

​Rosebank Industries is set to be added to F250 and All-Share following its transfer to the Main Market, while Harbour Energy and Ithaca Energy are...

Dimitris Ioannidis

Quiddity Leaderboard F100/F250 Jun26: Carnival F250 Replacement 5 May; One F100 and Two F250 Changes

We see one F100 and two F250 changes. Harbour hovers around the F100 ADD border, while Seraphim and Young &Co sit close to the F250 ADD border.

Afridi Reyal

Quiddity Leaderboard SE600 Jun26: TEN ADDs/DELs; Many Intra-Review Changes After Rebal

Based on the latest estimates, we now expect 10 ADDs and 10 DELs. The ADDs collectively have an inflow of around US$200mn to trade. We have one...

Afridi Reyal

Rosebank Industries is set to be added to F250 and All-Share following its transfer to the Main Market, while Harbour Energy and Ithaca Energy are...