Hollsteen

ASE Technology

Dependency

Customer concentration: not reported

CUSTOMERS ●The XBRL of the latest annual report (20-F filed Apr 1, 2026, 0001193125-26-135585) tags no customer share of revenue (usual when no customer accounts for ≥ 10% of revenue; the filing text itself is not interpreted here).not reportedHOLDINGS ◆No holding between ASE Technology and the other 99 companies found in SEC filings (not reported).not reportedREGIONS ■No revenue split by country in the dataset (neither an XBRL concentration fact nor a country axis).not reportedSUPPLIERS ○No supplier shares in the dataset: SEC XBRL does not tag supplier concentration as a share of revenue or purchases; filing texts are not interpreted for this.not in datasetASE TechnologyNT$645.4B · FY2025
ASE TechnologyNT$645.4B · FY2025

Customers

not reported

Holdings

not reported

Regions

not reported

Suppliers

not in dataset

Line: solid ● customers (share of revenue) · dashed ◆ holding · dotted ■ revenue by region · grey ○ no data.

The XBRL of the latest annual report (20-F filed Apr 1, 2026) tags no customer share of revenue (usual when no customer accounts for ≥ 10% of revenue; the filing text itself is not interpreted here).

Relationships

9 documented relationships

TypeCounterpartyValuePeriodConfidenceReverse edge
Customer (share)Customer(s) per quote48%FY2023 (per quote)0.9–
names as supplierTSMC–Dec 31, 20250.7no
names as supplierTeradyne–Dec 31, 20250.7no
names us as supplierQualcomm–Sep 28, 20250.7no
names as partnerTSMC–Dec 31, 20250.7no
names as partnerFlex–Dec 31, 20250.7no
names (role not stated)Lam Research–Dec 31, 20250.6no
names (role not stated)NXP–Dec 31, 20250.6no
names us (role not stated)Broadcom–Nov 2, 20250.6no

Regions: not reported – no geographic revenue axis (srt:StatementGeographicalAxis) with total revenue in the XBRL of the annual report (20-F filed Apr 1, 2026).

Related party: not reported – No related-party statement naming any of the 100 covered companies (13 related-party statements in the 20-F filed Apr 1, 2026, none referring to them).

Holdings: not reported – No holding between this company and the other 99 companies in 13F-HR / 13G / Filing-Text.

SEC filings only, quotes in the sources. Confidence 1.0 XBRL/13F · 0.9 quote with value · 0.7 mention without value.

Revenue

Revenue FY2025: +8.4% vs. FY2024

NT$645.4BFY2025
Revenue · FY2016: NT$274.9B · 20-F 0000950103-18-003940 filed Mar 28, 2018Revenue · FY2017: NT$290.4B · 20-F 0000950103-18-003940 filed Mar 28, 2018Revenue · FY2018: NT$371.1B · 20-F 0000950103-19-005149 filed Apr 26, 2019Revenue · FY2019: NT$413.2B · 20-F 0000950103-20-006422 filed Mar 31, 2020Revenue · FY2020: NT$477.0B · 20-F 0000950103-21-005259 filed Apr 6, 2021Revenue · FY2021: NT$570.0B · 20-F 0001193125-22-087341 filed Mar 29, 2022Revenue · FY2022: NT$670.9B · 20-F 0001193125-23-095811 filed Apr 10, 2023Revenue · FY2023: NT$581.9B · 20-F 0001193125-24-085380 filed Apr 3, 2024Revenue · FY2024: NT$595.4B · 20-F 0001193125-25-064603 filed Mar 27, 2025Revenue · FY2025: NT$645.4B · 20-F 0001193125-26-135585 filed Apr 1, 2026645.4274.9670.9FY2016FY2025FY2021
Revenue · FY2020: NT$477.0B · 20-F 0000950103-21-005259 filed Apr 6, 2021Revenue · FY2021: NT$570.0B · 20-F 0001193125-22-087341 filed Mar 29, 2022Revenue · FY2022: NT$670.9B · 20-F 0001193125-23-095811 filed Apr 10, 2023Revenue · FY2023: NT$581.9B · 20-F 0001193125-24-085380 filed Apr 3, 2024Revenue · FY2024: NT$595.4B · 20-F 0001193125-25-064603 filed Mar 27, 2025Revenue · FY2025: NT$645.4B · 20-F 0001193125-26-135585 filed Apr 1, 2026645.4477.0670.9FY2020FY2025FY2023

NT$B per fiscal year. No segment mix chart: No revenue breakdown by segment or revenue type in the 10-K XBRL data.

Debt

Total debt FY2025: +39.5% vs. FY2024

NT$249.1BaInterest expense NT$7.5B (FY2025)
Total debt FY2016: NT$101.4B – Total debt = short-term Kredite/CP NT$21.0B (ifrs-full:ShorttermBorrowings, 20-F 0000950103-18-003940) + current portion of long-term debt NT$6.6B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0000950103-18-003940) + long-term debt NT$27.3B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0000950103-18-003940) + long-term Bankkredite NT$46.5B (ifrs-full:LongtermBorrowings, 20-F 0000950103-18-003940) = NT$101.4BTotal debt FY2017: NT$70.4B – Total debt = short-term Kredite/CP NT$18.0B (ifrs-full:ShorttermBorrowings, 20-F 0000950103-18-003940) + current portion of long-term debt NT$8.3B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0000950103-18-003940) + long-term debt NT$17.0B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0000950103-18-003940) + long-term Bankkredite NT$27.1B (ifrs-full:LongtermBorrowings, 20-F 0000950103-18-003940) = NT$70.4BTotal debt FY2018: NT$198.1B – Total debt = short-term Kredite/CP NT$43.3B (ifrs-full:ShorttermBorrowings, 20-F 0000950103-19-005149) + current portion of long-term debt NT$10.8B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0000950103-19-005149) + long-term debt NT$17.0B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0000950103-19-005149) + long-term Bankkredite NT$127.1B (ifrs-full:LongtermBorrowings, 20-F 0000950103-19-005149) = NT$198.1BTotal debt FY2019: NT$214.7B – Total debt = short-term Kredite/CP NT$37.3B (ifrs-full:ShorttermBorrowings, 20-F 0000950103-20-006422) + current portion of long-term debt NT$5.1B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0000950103-20-006422) + long-term debt NT$36.3B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0000950103-20-006422) + long-term Bankkredite NT$136.0B (ifrs-full:LongtermBorrowings, 20-F 0000950103-20-006422) = NT$214.7BTotal debt FY2020: NT$185.1B – Total debt = short-term Kredite/CP NT$31.3B (ifrs-full:ShorttermBorrowings, 20-F 0000950103-21-005259) + current portion of long-term debt NT$2.2B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0000950103-21-005259) + long-term debt NT$49.3B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0000950103-21-005259) + long-term Bankkredite NT$102.3B (ifrs-full:LongtermBorrowings, 20-F 0000950103-21-005259) = NT$185.1BTotal debt FY2021: NT$198.4B – Total debt = short-term Kredite/CP NT$34.3B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-22-087341) + current portion of long-term debt NT$4.5B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-22-087341) + long-term debt NT$42.4B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-22-087341) + long-term Bankkredite NT$117.2B (ifrs-full:LongtermBorrowings, 20-F 0001193125-22-087341) = NT$198.4BTotal debt FY2022: NT$177.4B – Total debt = short-term Kredite/CP NT$34.5B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-23-095811) + current portion of long-term debt NT$5.0B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-23-095811) + long-term debt NT$42.9B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-23-095811) + long-term Bankkredite NT$94.9B (ifrs-full:LongtermBorrowings, 20-F 0001193125-23-095811) = NT$177.4BTotal debt FY2023: NT$143.7B – Total debt = short-term Kredite/CP NT$37.7B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-24-085380) + current portion of long-term debt NT$4.1B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-24-085380) + long-term debt NT$20.5B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-24-085380) + long-term Bankkredite NT$81.4B (ifrs-full:LongtermBorrowings, 20-F 0001193125-24-085380) = NT$143.7BTotal debt FY2024: NT$178.6B – Total debt = short-term Kredite/CP NT$35.0B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-25-064603) + current portion of long-term debt NT$3.9B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-25-064603) + long-term debt NT$18.0B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-25-064603) + long-term Bankkredite NT$121.8B (ifrs-full:LongtermBorrowings, 20-F 0001193125-25-064603) = NT$178.6BTotal debt FY2025: NT$249.1B – Total debt = short-term Kredite/CP NT$31.8B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-26-135585) + current portion of long-term debt NT$3.2B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-26-135585) + long-term debt NT$11.5B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-26-135585) + long-term Bankkredite NT$202.6B (ifrs-full:LongtermBorrowings, 20-F 0001193125-26-135585) = NT$249.1B249.1a101.4aFY2016FY2025FY2021
Total debt FY2020: NT$185.1B – Total debt = short-term Kredite/CP NT$31.3B (ifrs-full:ShorttermBorrowings, 20-F 0000950103-21-005259) + current portion of long-term debt NT$2.2B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0000950103-21-005259) + long-term debt NT$49.3B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0000950103-21-005259) + long-term Bankkredite NT$102.3B (ifrs-full:LongtermBorrowings, 20-F 0000950103-21-005259) = NT$185.1BTotal debt FY2021: NT$198.4B – Total debt = short-term Kredite/CP NT$34.3B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-22-087341) + current portion of long-term debt NT$4.5B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-22-087341) + long-term debt NT$42.4B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-22-087341) + long-term Bankkredite NT$117.2B (ifrs-full:LongtermBorrowings, 20-F 0001193125-22-087341) = NT$198.4BTotal debt FY2022: NT$177.4B – Total debt = short-term Kredite/CP NT$34.5B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-23-095811) + current portion of long-term debt NT$5.0B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-23-095811) + long-term debt NT$42.9B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-23-095811) + long-term Bankkredite NT$94.9B (ifrs-full:LongtermBorrowings, 20-F 0001193125-23-095811) = NT$177.4BTotal debt FY2023: NT$143.7B – Total debt = short-term Kredite/CP NT$37.7B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-24-085380) + current portion of long-term debt NT$4.1B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-24-085380) + long-term debt NT$20.5B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-24-085380) + long-term Bankkredite NT$81.4B (ifrs-full:LongtermBorrowings, 20-F 0001193125-24-085380) = NT$143.7BTotal debt FY2024: NT$178.6B – Total debt = short-term Kredite/CP NT$35.0B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-25-064603) + current portion of long-term debt NT$3.9B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-25-064603) + long-term debt NT$18.0B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-25-064603) + long-term Bankkredite NT$121.8B (ifrs-full:LongtermBorrowings, 20-F 0001193125-25-064603) = NT$178.6BTotal debt FY2025: NT$249.1B – Total debt = short-term Kredite/CP NT$31.8B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-26-135585) + current portion of long-term debt NT$3.2B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-26-135585) + long-term debt NT$11.5B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-26-135585) + long-term Bankkredite NT$202.6B (ifrs-full:LongtermBorrowings, 20-F 0001193125-26-135585) = NT$249.1B249.1a185.1aFY2020FY2025FY2023

NT$B per fiscal year, as of fiscal year end. a = derived from reported components (calculation in the tooltip and in the sources).

All metrics →
Sources (15)

Relationships (quotes)

  • Customer (share) Customer(s) per quote 20-F, filed Apr 1, 2026 0001193125-26-135585
    “See “—Qualification and Correlation by Customers.” Customers Our five largest customers together accounted for approximately 48.0%, 48.4% and 46.5% of our operating revenues in 2023, 2024, and 2025, respectively.”
  • names as supplier TSMC 20-F, filed Apr 1, 2026 0001193125-26-135585
    “Since 1997, we have maintained a strategic alliance with Taiwan Semiconductor Manufacturing Company Limited, or TSMC, one of the largest dedicated semiconductor foundries in the world.”
  • names as supplier Teradyne 20-F, filed Apr 1, 2026 0001193125-26-135585
    “We purchase testers from major international manufacturers, primarily Teradyne, Inc., Tokyo Electron Limited, and Advantest Corporation.”
  • names us as supplier Qualcomm 10-K, filed Nov 5, 2025 0000804328-25-000085
    “Our primary semiconductor assembly and test suppliers are Advanced Semiconductor Engineering, Amkor Technology, Siliconware Precision Industries and STATSChipPAC.”
  • names as partner TSMC 20-F, filed Apr 1, 2026 0001193125-26-135585
    “Since 1997, we have maintained a strategic alliance with TSMC, which designates us as their non-exclusive preferred provider of packaging and testing services for semiconductors manufactured by TSMC.”
  • names as partner Flex 20-F, filed Apr 1, 2026 0001193125-26-135585
    “(g) Asset Purchase Agreement by and among Flextronics Manufacturing (M) Sdn.”
  • names (role not stated) Lam Research 20-F, filed Apr 1, 2026 0001193125-26-135585
    “We purchase our packaging equipment from major international manufacturers, including All Ring Tech Co., Ltd., Marketech lnternational Corp., Grand Process Technology Corporation, Tokyo Electron Limited, and Lam Research Corporation.”
  • names (role not stated) NXP 20-F, filed Apr 1, 2026 0001193125-26-135585
    “(j) Equity Interests Transfer Agreement dated August 6, 2007 by and among NXP B.V., NXP Semiconductors Suzhou Ltd. and J&R Holding Limited relating to our acquisition of 60% of ASEN, our joint venture with NXP Semiconductors (incorporated by reference to Exhibit 4(j) to our annual report on Form 20-F (File No. 001-16125) for the year ended December 31, 2008 filed on June 24, 2009).”
  • names us (role not stated) Broadcom 10-K, filed Dec 18, 2025 0001730168-25-000121
    “We use third-party CMs for a significant majority of our assembly and test operations, including TSMC, Advanced Semiconductor Engineering, Inc., Foxconn Technology Group, Amkor Technology, Inc. and Siliconware Precision Industries Co., Ltd.”

Revenue

Debt

  • Total debt FY2023 20-F, filed Apr 3, 2024 0001193125-24-085380
    Total debt = short-term Kredite/CP NT$37.7B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-24-085380) + current portion of long-term debt NT$4.1B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-24-085380) + long-term debt NT$20.5B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-24-085380) + long-term Bankkredite NT$81.4B (ifrs-full:LongtermBorrowings, 20-F 0001193125-24-085380) = NT$143.7B
  • Total debt FY2024 20-F, filed Mar 27, 2025 0001193125-25-064603
    Total debt = short-term Kredite/CP NT$35.0B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-25-064603) + current portion of long-term debt NT$3.9B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-25-064603) + long-term debt NT$18.0B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-25-064603) + long-term Bankkredite NT$121.8B (ifrs-full:LongtermBorrowings, 20-F 0001193125-25-064603) = NT$178.6B
  • Total debt FY2025 20-F, filed Apr 1, 2026 0001193125-26-135585
    Total debt = short-term Kredite/CP NT$31.8B (ifrs-full:ShorttermBorrowings, 20-F 0001193125-26-135585) + current portion of long-term debt NT$3.2B (ifrs-full:CurrentPortionOfLongtermBorrowings, 20-F 0001193125-26-135585) + long-term debt NT$11.5B (ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued, 20-F 0001193125-26-135585) + long-term Bankkredite NT$202.6B (ifrs-full:LongtermBorrowings, 20-F 0001193125-26-135585) = NT$249.1B
  • Interest expense FY2025 20-F, filed Apr 1, 2026 0001193125-26-135585

Data quality

Legal name
ASE Technology Holding Co., Ltd.
CIK
0001122411
Period
FY2016 – FY2025
Coverage
99.7% · 269 reported · 27 derived · 1 missing · 1386 not reported
Periods
ASE Technology files annual reports with the SEC on Form 20-F (IFRS, TWD); quarterly figures appear only in 6-K reports and are not captured here as quarterly series.

missing = the company reports the value, it is not (yet) captured here · not reported = the company does not disclose the value · a = derived · ~ = reported rounded only.