Asia Pac ECM and Index Rebal, Shenton Research

Ke Yan, CFA, FRM

Asia Pac ECM and Index Rebal

Asia Pac IPO & Placement Research, China Biotech

DZT Research

DZT Research is an independent Asia Pacific equity specialist. Our quantitative research covers index rebalancing flows, alongside exchange data analytics accross Asia Pacific. On the equity capital markets side, we focus on Asia Pacific ECM, especially biotech and TMT. Our lead analyst is frequently cited by international media.

Quantitative Analysis

<ul>
<li>We analyzed the changes in foreign holdings of TWSE Stocks as of Dec 5th. The aggregated holding was USD1,364.0bn.</li>
<li>We estimate that foreign flows to be inflows of USD819mln. We tabulate the league tables for top changes by value for 1W/4W/1Y and top stocks held by foreign institutions.</li>
<li>We highlight changes of foreign holdings in MediaTek, Quanta Computer, Unimicron Technology, UMC, Asia Vital Components, Mediatek, Quanta Computer, Unimicron Technology, UMC, Asia Vital Components.</li>
</ul>


We analyzed the changes in foreign holdings of TWSE Stocks as of Dec 5th. The aggregated holding was USD1,364.0bn.
We estimate that foreign flows to be inflows of USD819mln. We tabulate the league tables for top changes by value for 1W/4W/1Y and top stocks held by foreign institutions.
We highlight changes of foreign holdings in MediaTek, Quanta Computer, Unimicron Technology, UMC, Asia Vital Components, Mediatek, Quanta Computer, Unimicron Technology, UMC, Asia Vital Components.


TWSE Foreign Holding Weekly (Dec 5th): MediaTek, Quanta Computer, Unimicron Technology, UMC

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

E.Sun Financial Holding Co / Index Rebalance

<ul>
<li>The index changes for the T50/100 index family and the TDIV index were confirmed after market close on Friday 5th December 2025.</li>
<li>There will be four ADD/DELs for T50, three separate ADDs/DELs for T100, and three ADDs/DELs for TDIV. </li>
<li>All of these changes were correctly predicted except for one surprise TDIV addition.</li>
</ul>


The index changes for the T50/100 index family and the TDIV index were confirmed after market close on Friday 5th December 2025.
There will be four ADD/DELs for T50, three separate ADDs/DELs for T100, and three ADDs/DELs for TDIV. 
All of these changes were correctly predicted except for one surprise TDIV addition.


Quiddity TDIV/50/100 Dec 25 Results: 19/20 Correctly Predicted; ~US$3bn Combined One-Way Flows

<ul>
<li>We analyzed the changes in foreign holdings of TWSE Stocks as of Nov 28th. The aggregated holding was USD1,346.9bn.</li>
<li>We estimate that foreign flows to be outflows of USD1,288mln. We tabulate the league tables for top changes by value for 1W/4W/1Y and top stocks held by foreign institutions.</li>
<li>We highlight changes of foreign holdings in TSMC, WT Microelectronics, Hon Hai Precision, Fubon Financial, MediaTek, Wt Microelectronics, Mediatek, TSMC, Hon Hai Precision, Fubon Financial.</li>
</ul>


We analyzed the changes in foreign holdings of TWSE Stocks as of Nov 28th. The aggregated holding was USD1,346.9bn.
We estimate that foreign flows to be outflows of USD1,288mln. We tabulate the league tables for top changes by value for 1W/4W/1Y and top stocks held by foreign institutions.
We highlight changes of foreign holdings in TSMC, WT Microelectronics, Hon Hai Precision, Fubon Financial, MediaTek, Wt Microelectronics, Mediatek, TSMC, Hon Hai Precision, Fubon Financial.


TWSE Foreign Holding Weekly (Nov 28th): TSMC, WT Microelectronics, Hon Hai Precision

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

Teco Electric & Machinery / Index Rebalance

<ul>
<li>With the review period now complete, there could be 3 constituent changes for the Yuanta/​P-Shares Taiwan Dividend Plus ETF in December.</li>
<li>Constituent changes along with capping changes will lead to a one-way turnover of 12.7% and in a round-trip trade of TWD 125bn (US$4bn).</li>
<li>There are multiple stocks that have same-way or opposite flow from trackers of other Taiwan indices and present some interesting trading opportunities.</li>
</ul>


With the review period now complete, there could be 3 constituent changes for the Yuanta/​P-Shares Taiwan Dividend Plus ETF in December.
Constituent changes along with capping changes will lead to a one-way turnover of 12.7% and in a round-trip trade of TWD 125bn (US$4bn).
There are multiple stocks that have same-way or opposite flow from trackers of other Taiwan indices and present some interesting trading opportunities.


Yuanta/P-Shares Taiwan Div+ ETF Rebalance Preview: 3 Changes; US$4bn Trade

<ul>
<li>The TDIV index tracks the top 50 names in the Taiwan Stock Exchange with the highest dividend yields. It is a yield-weighted index with unique capping rules.</li>
<li>Today is the base date for the final ranks and we see four ADDs and four DELs for the December 2025 rebal.</li>
<li>We estimate one-way flow to be around US$2.2bn with many flow names having multiple days of volume to trade.</li>
</ul>


The TDIV index tracks the top 50 names in the Taiwan Stock Exchange with the highest dividend yields. It is a yield-weighted index with unique capping rules.
Today is the base date for the final ranks and we see four ADDs and four DELs for the December 2025 rebal.
We estimate one-way flow to be around US$2.2bn with many flow names having multiple days of volume to trade.


Quiddity Leaderboard TDIV Dec25: Final Expectations: Many Changes to Rankings; Final Expectations

Taiwan

Zhen Ding Technology Holding Ltd is a manufacturer of printed circuit board. The Company design, development, manufacture and sale of printed circuit board.

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Zhen Ding Technology Holding (4958 TT)

TWSE Foreign Holding Weekly (Dec 5th): MediaTek, Quanta Computer, Unimicron Technology, UMC

We analyzed TWSE foreign holding data for the past week and highlighted foreign holding changes in MediaTek (2454 TT), Quanta Computer (2382 TT),...

Ke Yan, CFA, FRM

Quiddity TDIV/50/100 Dec 25 Results: 19/20 Correctly Predicted; ~US$3bn Combined One-Way Flows

For T50, T100, and TDIV indices, we expect the combined one-way flow to be around US$3bn during the December 2025 index rebal event. There are...

Janaghan Jeyakumar, CFA

TWSE Foreign Holding Weekly (Nov 28th): TSMC, WT Microelectronics, Hon Hai Precision

We analyzed TWSE foreign holding data for the past week and highlighted foreign holding changes in TSMC (2330 TT), WT Microelectronics (3036 TT),...

Ke Yan, CFA, FRM

Yuanta/P-Shares Taiwan Div+ ETF Rebalance Preview: 3 Changes; US$4bn Trade

There could be 3 changes for the ETF in Dec. Estimated one-way turnover is 12.7% and round-trip trade is TWD 125bn (US$4bn). There will be same-way...

Brian Freitas

Quiddity Leaderboard TDIV Dec25: Final Expectations: Many Changes to Rankings; Final Expectations

The top 5 inflow names have more than 9x ADV to trade and top 5 outflow names have more the 2x ADV to trade. The official index changes will be...

Janaghan Jeyakumar, CFA

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