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 March 2026 index review results for the F100 and F250 indices were announced yesterday after LSE market close.</li>
<li>There will be two index changes for F100 and two separate index changes for F250. </li>
<li>The announced results were in line with our final expectations discussed here (<a href="https://www.smartkarma.com/discussion/243825" target="_blank" rel="noopener">link</a>).  </li>
</ul>


The March 2026 index review results for the F100 and F250 indices were announced yesterday after LSE market close.
There will be two index changes for F100 and two separate index changes for F250. 
The announced results were in line with our final expectations discussed here (link).  


Quiddity F100/F250 Mar26 Results: All Expected ADDs/DELs Correct; One High Impact ADD

<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 March 2026 index rebal event.</li>
<li>We see one M&amp;A-related intra-review change for the F100 index in the next week.</li>
<li>Our latest estimates suggest there could be one regular change each for the F100 and F250 indexes during the March 2026 rebal.</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 March 2026 index rebal event.
We see one M&amp;A-related intra-review change for the F100 index in the next week.
Our latest estimates suggest there could be one regular change each for the F100 and F250 indexes during the March 2026 rebal.


Quiddity Leaderboard F100/F250 Mar26: Ashtead DEL Soon; 2 Weeks to Base Date

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/the-schiehallion-fund-limited" target="_blank" data-smartkarma-citation="entities:46402:1" rel="noopener">Schiehallion Fund (MNTN LN)</a> is the flagship forecasted addition at the March 2026 review following its listing transfer to the LSE Main Market.</li>
<li>
<a href="https://www.smartkarma.com/entities/ashtead-group-plc" target="_blank" data-smartkarma-citation="entities:21806:1" rel="noopener">Ashtead (AHT LN)</a> is expected to experience significant supply from UK index funds in February and demand from US in June following its corporate &amp; listing structure change.</li>
<li>
<a href="https://www.smartkarma.com/entities/tritax-big-box-reit-plc" target="_blank" data-smartkarma-citation="entities:21830:1" rel="noopener">Tritax Big Box Reit (BBOX LN)</a> and <a href="https://www.smartkarma.com/entities/ig-group-holdings-plc" target="_blank" data-smartkarma-citation="entities:21989:1" rel="noopener">Ig Group Holdings (IGG LN)</a> are the main candidates to replace <a href="https://www.smartkarma.com/entities/ashtead-group-plc" target="_blank" data-smartkarma-citation="entities:21806:1" rel="noopener">Ashtead (AHT LN)</a> and be added to F100 at the review.</li>
</ul>



Schiehallion Fund (MNTN LN) is the flagship forecasted addition at the March 2026 review following its listing transfer to the LSE Main Market.

Ashtead (AHT LN) is expected to experience significant supply from UK index funds in February and demand from US in June following its corporate &amp; listing structure change.

Tritax Big Box Reit (BBOX LN) and Ig Group Holdings (IGG LN) are the main candidates to replace Ashtead (AHT LN) and be added to F100 at the review.


UK Index Forecasts - Mar26: Schiehallion Fund Headlines F250; Ashtead Moves to US

<ul><li>In this insight, we take a look at the potential index changes for F100 and F250 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 close of 2nd December 2025 and announced after the close of 3rd December 2025.</li><li>Based on the current numbers, we see one change for the F100 index and four changes for the F250 index in December 2025.</li></ul>

In this insight, we take a look at the potential index changes for F100 and F250 in the run-up to the December 2025 index rebal event.The index changes for the December 2025 rebal will be based on the close of 2nd December 2025 and announced after the close of 3rd December 2025.Based on the current numbers, we see one change for the F100 index and four changes for the F250 index in December 2025.

Quiddity Leaderboard F100/F250 Dec25: One F100 ADD, Four F250 ADDs Likely; One Day to Base Date

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

<ul>
<li>In this insight, we take a look at the potential index changes for F100 and F250 in the run-up to the December 2025 index rebal event.</li>
<li>Our latest estimates suggest there could be one regular change for F100 and four regular changes for the F250 index during the December 2025 rebal.</li>
<li>The index changes for the December 2025 rebal will be based on the close of 2nd December 2025 and announced after the close of 3rd December 2025.</li>
</ul>


In this insight, we take a look at the potential index changes for F100 and F250 in the run-up to the December 2025 index rebal event.
Our latest estimates suggest there could be one regular change for F100 and four regular changes for the F250 index during the December 2025 rebal.
The index changes for the December 2025 rebal will be based on the close of 2nd December 2025 and announced after the close of 3rd December 2025.


Quiddity Leaderboard F100/F250 Dec25: New ADDs Identified; Several M&A-Related Changes Likely

United Kingdom

Pinewood Technologies Group PLC is a leading cloud-based full-service technology provider for automotive retailers and OEMs, offering Dealer Management System (DMS) software, automotive intelligence platforms, Business Intelligence reporting, and AI-powered automotive solutions across sales, aftersales, accounting, and CRM. The company serves a global user base across more than 36 countries with long-standing partnerships with over 50 OEM brands. It was established in 1981 and is headquartered in Birmingham, UK.

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Pinewood Technologies (PINE LN)

Quiddity F100/F250 Mar26 Results: All Expected ADDs/DELs Correct; One High Impact ADD

March 2026 index review results for F100 and F250 indices were announced in line with expectations. Schiehallion is a big impact name to trade.

Afridi Reyal

Quiddity Leaderboard F100/F250 Mar26: Ashtead DEL Soon; 2 Weeks to Base Date

Yesterday (3rd March) was the base date for the March 2026 rebal event. The index changes will be confirmed after market close today. I have...

Afridi Reyal

UK Index Forecasts - Mar26: Schiehallion Fund Headlines F250; Ashtead Moves to US

AHT was removed from F100 and saw passive fund supply of ~29m shares, $2bn, 16 ADV at the close on 27 February. BBOX replaced AHT in F100, and COST...

Dimitris Ioannidis

Quiddity Leaderboard F100/F250 Dec25: One F100 ADD, Four F250 ADDs Likely; One Day to Base Date

We achieved 100% hit rate for the F100/250 Dec25 index review. The results were confirmed publicly after market close yesterday. I have summarized...

Afridi Reyal

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Quiddity F100/F250 Mar26 Results: All Expected ADDs/DELs Correct; One High Impact ADD

​March 2026 index review results for F100 and F250 indices were announced in line with expectations. Schiehallion is a big impact name to trade.

Afridi Reyal

Quiddity Leaderboard F100/F250 Mar26: Ashtead DEL Soon; 2 Weeks to Base Date

Yesterday (3rd March) was the base date for the March 2026 rebal event. The index changes will be confirmed after market close today. I have...

Afridi Reyal

UK Index Forecasts - Mar26: Schiehallion Fund Headlines F250; Ashtead Moves to US

AHT was removed from F100 and saw passive fund supply of ~29m shares, $2bn, 16 ADV at the close on 27 February. BBOX replaced AHT in F100, and COST...

Dimitris Ioannidis

Quiddity Leaderboard F100/F250 Dec25: One F100 ADD, Four F250 ADDs Likely; One Day to Base Date

We achieved 100% hit rate for the F100/250 Dec25 index review. The results were confirmed publicly after market close yesterday. I have summarized...

Afridi Reyal

Quiddity Leaderboard F100/F250 Dec25: New ADDs Identified; Several M&A-Related Changes Likely

The base date for the December 2025 review is Tuesday 2nd December 2025. The index changes could be publicly confirmed after market close on...

Janaghan Jeyakumar, CFA

March 2026 index review results for F100 and F250 indices were announced in line with expectations. Schiehallion is a big impact name to trade.