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

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 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

<ul>
<li>We analyzed the changes in short interest of TWSE Stocks as of Nov 28th. The aggregated short interest was USD28.1bn.</li>
<li>We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.</li>
<li>We highlight short interest changes in Lite-On Technology, King Yuan Electronics, ASE Industrial, Acer, Jentech Precision Industrial, Lite-On Technology, King Yuan Electronics, ASE Industrial, Acer, Jentech Precision Industrial.</li>
</ul>


We analyzed the changes in short interest of TWSE Stocks as of Nov 28th. The aggregated short interest was USD28.1bn.
We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.
We highlight short interest changes in Lite-On Technology, King Yuan Electronics, ASE Industrial, Acer, Jentech Precision Industrial, Lite-On Technology, King Yuan Electronics, ASE Industrial, Acer, Jentech Precision Industrial.


TWSE Short Interest Weekly (Nov 28th): Lite-On Technology, King Yuan Electronics, ASE Industrial

Tung Ho Steel Enterprise / Index Rebalance

<ul>
<li>The T50 index represents the top 50 largest stocks by market capitalization in the Taiwan Stock Exchange (TWSE). The T100 index represents the next 100 largest names (51-150 ranks).</li>
<li>Today is the base date for the December 2025 index rebal event and the expected ADDs/DELs discussed in this insight are our final index change expectations.</li>
<li>We expect four changes for T50 and three <em>additional</em> changes for the T100 index for the December 2025 rebal.</li>
</ul>


The T50 index represents the top 50 largest stocks by market capitalization in the Taiwan Stock Exchange (TWSE). The T100 index represents the next 100 largest names (51-150 ranks).
Today is the base date for the December 2025 index rebal event and the expected ADDs/DELs discussed in this insight are our final index change expectations.
We expect four changes for T50 and three additional changes for the T100 index for the December 2025 rebal.


Quiddity Leaderboard T50/​​​100 Dec25: Final Ranks; Tung Ho Escapes TDIV Deletion!

<ul>
<li>We analyzed the changes in foreign holdings of TWSE Stocks as of Nov 21st. The aggregated holding was USD1,288.6bn.</li>
<li>We estimate that foreign flows to be outflows of USD4,241mln. 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, Hon Hai Precision, Fubon Financial, ASE Industrial, Alchip Technologies, Ase Industrial, TSMC, Hon Hai Precision, Fubon Financial, Alchip Technologies.</li>
</ul>


We analyzed the changes in foreign holdings of TWSE Stocks as of Nov 21st. The aggregated holding was USD1,288.6bn.
We estimate that foreign flows to be outflows of USD4,241mln. 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, Hon Hai Precision, Fubon Financial, ASE Industrial, Alchip Technologies, Ase Industrial, TSMC, Hon Hai Precision, Fubon Financial, Alchip Technologies.


TWSE Foreign Holding Weekly (Nov 21st): TSMC, Hon Hai Precision, Fubon Financial, ASE Industrial

Taiwan

Yang Ming Marine Transport provides transportation services and handles domestic and foreign maritime services on cargos.  The Company also operates warehouse, wharf, tug, barge, and container freight station services as well as repairs, leases, and sells containers and chassis.

Price Gauge
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Yang Ming Marine Transport (2609 TT)

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

TWSE Short Interest Weekly (Nov 28th): Lite-On Technology, King Yuan Electronics, ASE Industrial

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Lite-On Technology (2301 TT), King Yuan...

Ke Yan, CFA, FRM

Quiddity Leaderboard T50/100 Dec25: Final Ranks; Tung Ho Escapes TDIV Deletion!

After the sharp jump in share price, Tung Ho Steel Enterprise (2006 TT) is unlikely to be deleted from T100 or TDIV in December 2025.

Janaghan Jeyakumar, CFA

TWSE Foreign Holding Weekly (Nov 21st): TSMC, Hon Hai Precision, Fubon Financial, ASE Industrial

We analyzed TWSE foreign holding data for the past week and highlighted foreign holding changes in TSMC (2330 TT), Hon Hai Precision (2317 TT),...

Ke Yan, CFA, FRM

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

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

TWSE Short Interest Weekly (Nov 28th): Lite-On Technology, King Yuan Electronics, ASE Industrial

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Lite-On Technology (2301 TT), King Yuan...

Ke Yan, CFA, FRM

Quiddity Leaderboard T50/​​​100 Dec25: Final Ranks; Tung Ho Escapes TDIV Deletion!

After the sharp jump in share price, Tung Ho Steel Enterprise (2006 TT) is unlikely to be deleted from T100 or TDIV in December 2025.

Janaghan Jeyakumar, CFA

TWSE Foreign Holding Weekly (Nov 21st): TSMC, Hon Hai Precision, Fubon Financial, ASE Industrial

We analyzed TWSE foreign holding data for the past week and highlighted foreign holding changes in TSMC (2330 TT), Hon Hai Precision (2317 TT),...

Ke Yan, CFA, FRM

Quiddity Leaderboard T50/100 Dec25: Final Ranks; Tung Ho Escapes TDIV Deletion!