Index Rebal Trades & Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Equity Analyst with 10+ years experience in fundamental and event-driven research.

On Smartkarma, I mainly publish insights on index flow events. This includes predicting regular and intra-review index changes and formulating market-neutral trading strategies based on flow catalysts. I also cover special situations such as mergers & acquisitions, equity offerings, buybacks, and other corporate restructuring events.

Index Rebal Trades & Special Situations

Quiddity Leaderboard T50/​​​100 Sep25: Shin Kong Replacement + One Dark Horse TDIV Potential DEL

Quiddity Leaderboard F100/F250 Jun25: LONGs up +6% Vs Index; Multiple Intra-Review Changes Soon

Quiddity BSE/​​​​SENSEX Jun25 Results: 23/26 Correct; ~US$600mn Total One-Way Flows

GMO Internet (4784) - Squeeze-Able So Squeezing, Offering Likely Gets Pulled - AVOID LIKE THE PLAGUE

Quiddity Leaderboard ASX Sep25: Spartan-Ramelius Deal Consequences + Many High-Impact Index Changes

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

BioPharma Credit PLC Fund / Index Rebalance

<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>We see three M&amp;A-related intra-review changes for the F250 index prior to the September 2025 review <strong><em>(one announced later today)</em></strong> and then two more shortly after the rebal event. </li>
<li>Our latest estimates suggest there could be one regular change for the F250 index during the September 2025 rebalance. We do not currently see any changes for the F100.</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.
We see three M&amp;A-related intra-review changes for the F250 index prior to the September 2025 review (one announced later today) and then two more shortly after the rebal event. 
Our latest estimates suggest there could be one regular change for the F250 index during the September 2025 rebalance. We do not currently see any changes for the F100.


Quiddity Leaderboard F100/F250 Sep25 Results: Methodology Change Could Result in a Surprise Addition