Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Moore Threads Technology / Index Rebalance

<ul>
<li>In this insight, we have presented our expectations for index changes and passive flows for STAR 50 and STAR 100 which are tech-focused indices in Mainland China.</li>
<li>Currently, we see four ADDs/DELs for the STAR 50 index for the June 2026 review but our expectations can change because there are some names lurking close to the border.</li>
<li>During the June 2026 index rebal event, STAR 50 and STAR 100 could see one-way flows of around US$1.5bn and US$415mn respectively. Some names have multiple days to trade.</li>
</ul>


In this insight, we have presented our expectations for index changes and passive flows for STAR 50 and STAR 100 which are tech-focused indices in Mainland China.
Currently, we see four ADDs/DELs for the STAR 50 index for the June 2026 review but our expectations can change because there are some names lurking close to the border.
During the June 2026 index rebal event, STAR 50 and STAR 100 could see one-way flows of around US$1.5bn and US$415mn respectively. Some names have multiple days to trade.


Quiddity Leaderboard STAR 50/100 Jun26: Discretionary Powers and Borderline Eligibility Issues

<ul>
<li>STAR 50 Index is a tech-focused, blue-chip index in Mainland China which tracks the top 50 largest and most liquid names in the STAR market of the Shanghai Stock Exchange.</li>
<li>STAR 100 index tracks the next 100 names (51st-150th ranks) and it represents the mid-cap segment of the STAR market.</li>
<li>In this insight, we look at the potential ADDs/DELs for the STAR50/STAR100 indices for the March 2026 index rebal event.</li>
</ul>


STAR 50 Index is a tech-focused, blue-chip index in Mainland China which tracks the top 50 largest and most liquid names in the STAR market of the Shanghai Stock Exchange.
STAR 100 index tracks the next 100 names (51st-150th ranks) and it represents the mid-cap segment of the STAR market.
In this insight, we look at the potential ADDs/DELs for the STAR50/STAR100 indices for the March 2026 index rebal event.


Quiddity Leaderboard STAR 50/100 Mar26: ~US$3.8bn Total One-Way Flows; Some Signs of Pre-Positioning

HK/China Healthcare Analyst (ex-Fosun Pharma)

Xinyao (Criss) Wang

Equity Capital Markets

Changchun High-Tech Industry / Equity Capital Markets

<ul>
<li>CHANGCHUN HIGH-TECH’s stock price has been declining for more than four years since the news broke in May 2021 that growth hormone was to be included in 17-province VBP alliance.</li>
<li>GenSci’s innovative drug pipeline layout does have some ideas, but in fact, there are no expected blockbuster products among them - Their technological barriers and long-term exclusivity are relatively limited.</li>
<li>Short-Term performance pain is inevitable due to negative growth of main business and strategic transformation. The market may give it a conservative valuation, which may be lower than peers.</li>
</ul>


CHANGCHUN HIGH-TECH’s stock price has been declining for more than four years since the news broke in May 2021 that growth hormone was to be included in 17-province VBP alliance.
GenSci’s innovative drug pipeline layout does have some ideas, but in fact, there are no expected blockbuster products among them - Their technological barriers and long-term exclusivity are relatively limited.
Short-Term performance pain is inevitable due to negative growth of main business and strategic transformation. The market may give it a conservative valuation, which may be lower than peers.


Pre-IPO Changchun High-Tech Industry (A/H Listing) - The Business and the Outlook

Xiamen Amoytop Biotech Co Ltd / Index Rebalance

Xiamen Amoytop Biotech Co Ltd (688278 CH)

<ul>
<li>The March 2025 index review results for the STAR 50 and STAR 100 indices were announced after market close on Friday 28th February 2025.</li>
<li>There will be 3 changes for the STAR 50 index and 6 changes for the STAR 100 index.</li>
<li>We expect one-way flows of approximately US$1bn and US$356mn for the STAR 50 and STAR 100 index rebal events respectively.</li>
</ul>


The March 2025 index review results for the STAR 50 and STAR 100 indices were announced after market close on Friday 28th February 2025.
There will be 3 changes for the STAR 50 index and 6 changes for the STAR 100 index.
We expect one-way flows of approximately US$1bn and US$356mn for the STAR 50 and STAR 100 index rebal events respectively.


Quiddity STAR 50/100 Mar25 Results: US$1.4bn Total One-Way Flows; Mostly in Line with Expectations

Pan-Asia Index Rebalances/ Events/ Delta One, Periscope Analytics

Brian Freitas

Pan-Asia Index Rebalances/ Events/ Delta One

Periscope Analytics

Periscope Analytics focuses on event-driven trades across Asia Pacific and provides comprehensive, timely and systematic coverage of index changes to major Asia Pacific indices in a structured manner.

The analysis includes forecasted inclusions and exclusions to all major Asian indices that have significant amount of tracking assets, including estimates of passive buy/sell flow on the stocks. The service also provides commentary and impact of market consultations, ground rule changes, and other events (IPOs, spin-offs, M&A) that could lead to index changes and passive flow.

Periscope Analytics works with multi-strategy hedge funds, proprietary trading firms, stat arb trading groups and long-only investors that invest and trade in the Asia Pacific region with the data being used to trade index rebalances, avoid pre-positioning and passive flow, and to time entry into and exit from stocks.

Event-Driven Trades Across Asia Pacific

<ul>
<li>There are 3 constituent changes for the <a href="https://www.smartkarma.com/entities/sse-science-and-technology-innovation-board-50-index" target="_blank" data-smartkarma-citation="entities:29279:1" rel="noopener">STAR50 INDEX</a> and 6 changes for the STAR100 Index at the March rebalance that will be implemented at the close on 14 March.</li>
<li>The last-minute methodology change could lead to under/over positioning on some names and those stocks could move the most over the next few days.</li>
<li>Performance has been mixed in the changes to the <a href="https://www.smartkarma.com/entities/sse-science-and-technology-innovation-board-50-index" target="_blank" data-smartkarma-citation="entities:29279:1" rel="noopener">STAR50 INDEX</a> but the outright adds have continued to outperform the outright deletes for the STAR100 Index.</li>
</ul>


There are 3 constituent changes for the STAR50 INDEX and 6 changes for the STAR100 Index at the March rebalance that will be implemented at the close on 14 March.
The last-minute methodology change could lead to under/over positioning on some names and those stocks could move the most over the next few days.
Performance has been mixed in the changes to the STAR50 INDEX but the outright adds have continued to outperform the outright deletes for the STAR100 Index.


STAR50/STAR100 Index Rebalance: Methodology Changes & Some Surprises

China

Xiamen Amoytop Biotech Co., Ltd. operates as a drug development company. The Company develops and sells protein drugs, interferon drugs, and other products. Xiamen Amoytop Biotech markets its products primarily throughout China with limited overseas.

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Xiamen Amoytop Biotech Co Ltd (688278 CH)

Quiddity Leaderboard STAR 50/100 Jun26: Discretionary Powers and Borderline Eligibility Issues

There are two large cap ADDs that could be fast-tracked into the index but the index provider could use discretionary powers to overrule them....

Janaghan Jeyakumar, CFA

Quiddity Leaderboard STAR 50/100 Mar26: ~US$3.8bn Total One-Way Flows; Some Signs of Pre-Positioning

The reference period ended on 31st January 2026. All of our STAR 50 expected ADDs/DELs remain unchanged. Puya Semiconductor (Shanghai) (688766 CH )...

Janaghan Jeyakumar, CFA

Pre-IPO Changchun High-Tech Industry (A/H Listing) - The Business and the Outlook

CHANGCHUN HIGH-TECH INDUSTRY is under pressure due to negative growth of main business and is in strategic transformation.The market may give it a...

Xinyao (Criss) Wang

Quiddity STAR 50/100 Mar25 Results: US$1.4bn Total One-Way Flows; Mostly in Line with Expectations

Most of the changes were in line with expectations. The STAR 50 ADDs and DELs have multiple days of volume to trade but it is important to note the...

Janaghan Jeyakumar, CFA

STAR50/STAR100 Index Rebalance: Methodology Changes & Some Surprises

There are 3/6 changes for the STAR50/100 indices. Methodology changes result in a few surprises. The STAR50 adds/deletes have performed in line,...

Brian Freitas

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