Index Rebal Trades & Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal Trades & Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Pinewood Technologies Group / Index Rebalance

<ul>
<li>The September 2025 index review results for F100 and F250 indices were announced yesterday after LSE market close.</li>
<li>There will be two ADDs and two DELS for the F100 index. Separately, there will be five ADDs and six DELs for the F250 index.</li>
<li>As a consequence of new transfers and the relaxation of trading currency requirements, some F100 and F250 ADDs will also be added to the F-All Share index simultaneously.</li>
</ul>


The September 2025 index review results for F100 and F250 indices were announced yesterday after LSE market close.
There will be two ADDs and two DELS for the F100 index. Separately, there will be five ADDs and six DELs for the F250 index.
As a consequence of new transfers and the relaxation of trading currency requirements, some F100 and F250 ADDs will also be added to the F-All Share index simultaneously.


Quiddity Leaderboard F100/F250 Sep25: 14/15 Expected ADDs/DELs Correct; Intra-Review ADDs Next!

<ul>
<li>In this insight, we take a look at the potential index changes for F100 and F250 in the run-up to the September 2025 index rebal event.</li>
<li>Our latest estimates suggest there could be two regular changes for F100 and six regular changes for F250 during the September 2025 rebalance.</li>
<li>After that, we expect multiple M&amp;A-related intra-review changes over the next few weeks.</li>
</ul>


In this insight, we take a look at the potential index changes for F100 and F250 in the run-up to the September 2025 index rebal event.
Our latest estimates suggest there could be two regular changes for F100 and six regular changes for F250 during the September 2025 rebalance.
After that, we expect multiple M&amp;A-related intra-review changes over the next few weeks.


Quiddity Leaderboard F100/F250 Sep25: ~10 Regular & Intra-Review Changes Likely in September

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>
<a href="https://www.smartkarma.com/entities/mytilineos-holdings-sa" target="_blank" data-smartkarma-citation="entities:25114:1" rel="noopener">Mytilineos Holdings Sa (MYTIL GA)</a> is projected to be added to F100 following its change of incorporation and primary listing from Greece to UK.</li>
<li>A methodology change in currency trading requirements is expected to result in <a href="https://www.smartkarma.com/entities/princess-private-equity-holdin" target="_blank" data-smartkarma-citation="entities:22083:1" rel="noopener">Partners Group Private Equity (PEY LN)</a> and <a href="https://www.smartkarma.com/entities/biopharma-credit-plc-fund" target="_blank" data-smartkarma-citation="entities:28317:1" rel="noopener">BioPharma Credit PLC (BPCR LN)</a> entering F250.</li>
<li>
<a href="https://www.smartkarma.com/entities/oakley-capital-investments-limited" target="_blank" data-smartkarma-citation="entities:23334:1" rel="noopener">Oakley Capital Investments (OCI LN)</a> is expected to be included in F250 following its listing transfer from AIM to the Main market of the LSE.</li>
</ul>



Mytilineos Holdings Sa (MYTIL GA) is projected to be added to F100 following its change of incorporation and primary listing from Greece to UK.
A methodology change in currency trading requirements is expected to result in Partners Group Private Equity (PEY LN) and BioPharma Credit PLC (BPCR LN) entering F250.

Oakley Capital Investments (OCI LN) is expected to be included in F250 following its listing transfer from AIM to the Main market of the LSE.


UK Index September 2025 Forecast: Greece in F100 & Other New Candidates in F250

Japan TMT Analyst

Pelham Smithers

Market Intel on Asian Tech with a Japan focus

Pelham Smithers Associates

Founded in 2009, Pelham Smithers Associates (PSA) provides market intelligence on Asian technology, focusing in particular on Japan. The industries covered by our team of specialists are: consumer electronics, telecomms, pharmaceuticals, internet, electronic parts and materials, automotive technology, retail and capital goods. 

Research is provided by the following:
Pelham Smithers: Macro, consumer electronics, telecoms & pharma
Joel Scheiman: Electronics materials / components
Julie Boote: Autos
Will Nestuk: Capital goods, machinery & transportation equipment parts
Thao Nguyen: eCommerce, internet content, marketing & advertising

Thematic (Sector/Industry)

The vote to leave the European Union will have both shorter and longer term impacts on the UK economy. There will be a shorter term impact on demand and, separately, on potential supply. The longer term one will depend largely on the policy response. Any decline in demand can in principle be offset by a lower exchange rate or by fiscal or monetary stimulus. A reduction in potential supply can only be offset, after a delay, by increased investment. This is therefore the key challenge and policy success will be determined by the extent to which investment is stimulated and adequate long- term growth thereby assured. In addition, there is also likely to be a reduction in living standards through a deterioration in the terms of trade as a result of weaker sterling, but this was in any event likely as the exchange rate appeared overvalued before the vote.

The vote to leave the European Union will have both shorter and longer term impacts on the UK economy. There will be a shorter term impact on demand and, separately, on potential supply. The longer term one will depend largely on the policy response. Any decline in demand can in principle be offset by a lower exchange rate or by fiscal or monetary stimulus. A reduction in potential supply can only be offset, after a delay, by increased investment. This is therefore the key challenge and policy success will be determined by the extent to which investment is stimulated and adequate long- term growth thereby assured. In addition, there is also likely to be a reduction in living standards through a deterioration in the terms of trade as a result of weaker sterling, but this was in any event likely as the exchange rate appeared overvalued before the vote.  

Chairman, sgtradex

Tan Chin-Hwee

Chairman

Cameron has to take the fall as he took a huge strategic risk for partisan reasons, misreading the mood. The question is: do you as a business owner hire and invest?Uncertainty is often lumped together as risk but there is a different: risk can be measured but uncertainty cannot. Daniel Ellsberg devised the famous experiment where there are 2 jars. The first jar, you are told, contains 50 red balls and 50 black balls. The 2nd jars contain 100 red and black balls but the number of each is…

Cameron has to take the fall as he took a huge strategic risk for partisan reasons, misreading the mood. The question is: do you as a business owner hire and invest?Uncertainty is often lumped together as risk but there is a different: risk can be measured but uncertainty cannot. Daniel Ellsberg devised the famous experiment where there are 2 jars. The first jar, you are told, contains 50 red balls and 50 black balls. The 2nd jars contain 100 red and black balls but the number of each is…

Markets from Here-Uncertainty Is NOT Risk

United Kingdom

Partners Group Private Equity Ltd is a closed-ended fund incorporated in Guernsey. The Fund aims to provide shareholders with long-term capital growth and an attractive dividend yield. The Fund invests in diversified portfolio of private equity direct investments

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Partners Group Private Equity (PEY LN)

Quiddity Leaderboard F100/F250 Sep25: 14/15 Expected ADDs/DELs Correct; Intra-Review ADDs Next!

We got 14/15 expected ADDs/DELs correct. The only surprise was Bloomsbury getting deleted from F250 instead of Ocean Wilson.

Janaghan Jeyakumar, CFA

Quiddity Leaderboard F100/F250 Sep25: ~10 Regular & Intra-Review Changes Likely in September

F100/250 Sep25 index changes will be confirmed after market close today. Yesterday was the base date for final ranks. Please see discussion point...

Janaghan Jeyakumar, CFA

UK Index September 2025 Forecast: Greece in F100 & Other New Candidates in F250

MYTIL is projected to join UK's F100 after changing incorporation and primary listing from Greece to UK; PEY and BPCR are expected to enter F250...

Dimitris Ioannidis

The UK Economy - After Brexit

The vote to leave the European Union will have both shorter and longer term impacts on the UK economy. There will be a shorter term impact on...

Pelham Smithers Associates

Markets from Here-Uncertainty Is NOT Risk

Cameron has to take the fall as he took a huge strategic risk for partisan reasons, misreading the mood. The question is: do you as a business...

Tan Chin-Hwee

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52-week Range

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