Win Semiconductors (ROCO:3105) Change In Inventory: NT$-2,686 Mil (TTM As of Jun. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:3105 Win Semiconductors Corp ROCO:3105
74 GF Score
Price NT$492.00
GF Value NT$180.78
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Win Semiconductors Change In Inventory?

Win Semiconductors ROCO:3105 +9.94% 74 Change In Inventory is NT$-2,686 Mil as of Jun. 2026. GuruFocus rates ROCO:3105 with a GF Score™ of 74/100 and a GF Value™ of NT$180.78 (Significantly Overvalued). The stock has 4 warning signs investors should review.

Win Semiconductors's change in inventory for the quarter that ended in Jun. 2026 was NT$-2,444 Mil. It means Win Semiconductors's inventory increased by NT$2,444 Mil from Mar. 2026 to Jun. 2026 .

Win Semiconductors's change in inventory for the fiscal year that ended in Dec. 2025 was NT$14 Mil. It means Win Semiconductors's inventory declined by NT$14 Mil from Dec. 2024 to Dec. 2025 .

Win Semiconductors's Total Inventories for the quarter that ended in Jun. 2026 was NT$7,759 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Win Semiconductors's Days Inventory for the quarter that ended in Jun. 2026 was 158.43.

Inventory Turnover measures how fast the company turns over its inventory within a year. Win Semiconductors's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.58.

Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue. Win Semiconductors's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 1.25.


Win Semiconductors  (ROCO:3105) Change In Inventory Explanation

1. Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Win Semiconductors's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=6550.3155/3772.643*365 / 4
=158.43

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

Win Semiconductors's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

3. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.

Win Semiconductors's Inventory to Revenue for the quarter that ended in Jun. 2026 is calculated as

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.


Win Semiconductors Change In Inventory Related Terms


Win Semiconductors Change In Inventory Historical Data

* Premium members only.

The historical data trend for Win Semiconductors's Change In Inventory can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Win Semiconductors Change In Inventory Chart

Win Semiconductors Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1,425.95 1,087.97 308.18 118.32 13.50

Win Semiconductors Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Change In Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 13.72 109.38 -184.50 -166.65 -2,443.83
ROCO:3105
74GF Score
Win Semiconductors Corp ROCO:3105
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Win Semiconductors Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$-2,686 Mil.

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Change In Inventory →
What does a Change In Inventory of NT$-2,686 Mil mean?
Win Semiconductors (ROCO:3105) has a Change In Inventory of NT$-2,686 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Win Semiconductors and its competitors.
Is Win Semiconductors' Change In Inventory too high?
Win Semiconductors' current Change In Inventory is NT$-2,686 Mil. Overall, Win Semiconductors has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Win Semiconductors' Change In Inventory compare to NVDA and AVGO?
Win Semiconductors' Change In Inventory of NT$-2,686 Mil can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for a Semiconductors company?
A good Change In Inventory depends on the Semiconductors industry context. However, Change In Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Win Semiconductors and its competitors. Win Semiconductors's current Change In Inventory is NT$-2,686 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Win Semiconductors stock overvalued right now?
Based on GuruFocus' analysis, Win Semiconductors (ROCO:3105) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$180.78, compared to a current price of NT$492.00 — trading 172.2% above its estimated fair value. The current Change In Inventory is NT$-2,686 Mil. Win Semiconductors' overall GF Score™ is 74/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For Win Semiconductors (ROCO:3105), the current Change In Inventory is NT$-2,686 Mil as of Jun. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Win Semiconductors (ROCO:3105) Overvalued in 2026?

Based on GuruFocus' analysis, Win Semiconductors stock appears to be overvalued. The current stock price of NT$492.00 is trading 172.2% above its estimated GF Value™ of NT$180.78. GuruFocus considers Win Semiconductors to be Significantly Overvalued.

Key valuation signals for ROCO:3105:

  • Change In Inventory: NT$-2,686 Mil
  • GF Value™: NT$180.78 vs. price of NT$492.00 (172.2% above fair value)
  • GF Score™: 74/100 with 4 warning signs

No single metric tells the full story. See the ROCO:3105 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Win Semiconductors Business Description

Address No. 69, Keji 7th Road, Hwaya Technology Park, Guishan District, Taoyuan, TWN, 33383
Founded in 1999, Win Semiconductors is the largest foundry for nonsilicon-based semiconductor components, most notably gallium arsenide, or GaAs; gallium nitride, or GaN; and silicon carbide, or SiC. Win Semi wielded over 50% share in the GaAs foundry market in 2025, followed by Advanced Wireless Semiconductor and GCS Holdings. The company's headquarters, four factories, and most of its 3,500 employees are based in Taoyuan City, Taiwan. Its products are applied in mobile, Wi-Fi networks, cellular infrastructure (such as base stations), satellite communication, optical communication, and 3D sensing. The company also provides automated testing and inspection services.
74GF Score

Get the complete analysis for ROCO:3105

Change In Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$492.00
Price
NT$180.78
GF Value