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Nasdaq · Technology

DIODES INC /DEL/ (DIOD)

As-reported financials and SEC filings for DIODES INC /DEL/. The latest annual period is FY2025. The latest reported quarter is Q2 FY2026. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

About DIODES INC /DEL/

Diodes Incorporated designs, manufactures, and sells semiconductor products used in automotive, industrial, computing, consumer electronics, and communications markets. Its product portfolio includes over 28,000 analog and power solutions that serve applications such as connected driving, industrial automation, AI data centers, IoT devices, and telecom infrastructure. The company operates globally with manufacturing, design, and sales facilities across Asia, Europe, and the United States.

Snapshot

Revenue
$1.48B
Revenue growth (YoY)
13.0%
Net income
$66.1M
Diluted EPS
$1.43
Gross margin
31.2%
Operating margin
2.4%
Net margin
4.5%
FCF margin
9.3%
ROE
3.4%
net income / fiscal-year-end equity
P/E
48.8×
trailing when available, otherwise FY EPS
Market cap
$4.18B
Long-term debt / equity
0.01×
non-current term debt only

Fundamentals are from SEC filings for FY2025, the latest annual period (ended December 31, 2025). P/E and market cap are derived from stored market prices, last retrieved on a rolling basis and typically within the past week.

What changed at Diodes Inc /del/

  • Revenue grew 13.0% to $1.5B in FY2025, after a 21.1% decline the year before.
  • Operating margin is 2.4% in FY2025, -12.9 pp against 15.3% in FY2021.
  • Most recent quarter Q2 FY2026: revenue $446M, up 21.7% from Q2 FY2025.
  • Free cash flow was $137M in FY2025, 9.3% of revenue.
  • Net income rose 50.2% to $66M in FY2025.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Diodes Inc /del/’s fundamentals sit among the 88 semiconductor companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Gross margin31.2%
31st percentile of 78
Operating margin2.4%
55th percentile of 79
Net margin4.5%
54th percentile of 80
FCF margin9.3%
57th percentile of 78
Revenue growth (YoY)+13.0%
52nd percentile of 88
ROE3.4%
52nd percentile of 74
P/E48.8×
65th percentile of 44
Long-term debt / equity0.01×
16th percentile of 44
Short interest2.35d
37th percentile of 88

No reported insider transactions (codes P/S) in the last 90 days. For context, about 15% of companies in the universe saw any reported insider purchase (code P) in the same window. Browse insider activity →

Percentiles describe where a figure sits among industry peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Institutional ownership

Held by 3 of the superinvestors we track (plus 5 quant / multi-strat books), based on each investor’s most recent 13F; periods vary by investor (newest: Q2 2026).

Conviction investors
3
+5 quant / multi-strat
Initiated / added
3
1 new, 2 added
Reduced / exited
5
5 trimmed, 0 exited
Combined position
$44.5M
reported long value
InvestorAs ofPosition valueSharesChange
AQR Capital ManagementquantQ2 2026$18.9M172.3KReduced
Two Sigma InvestmentsquantQ2 2026$9.1M83.2KReduced
D. E. ShawquantQ2 2026$7.9M72.3KReduced
Millennium ManagementquantQ2 2026$4.1M37.2KAdded
Bridgewater AssociatesQ2 2026$2.3M21.1KAdded
Gotham Asset ManagementQ2 2026$996,9989.1KReduced
Citadel AdvisorsquantQ2 2026$845,6437.7KReduced
Maverick CapitalQ2 2026$428,8953.9KNew

From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.

Recent insider activity

Non-derivative buys and sells (codes P/S) reported by officers, directors and 10% owners on SEC Form 4.

Buys (90d)
0
code P
Bought (90d)
code P value
Sells (90d)
0
Reported activity
Quiet
by $ value, 90d
Trade dateInsiderTypeSharesPriceValue
2026-05-29
filed 2026-06-01
Tang FrancisChief Technology OfficerSell15.3K$112.04$1.7M
2026-05-29
filed 2026-06-01
White Richard DallasCorporate SecretarySell2.0K$107.01$214K
2026-05-29
filed 2026-06-01
White Richard DallasCorporate SecretarySell1.0K$104.48$104K
2026-05-27
Tang FrancisChief Technology OfficerSell5.0K$110.08$550K
2026-05-27
Yu GaryPresident and CEOSell3.6K$110.08$400K
2026-05-27
Yang EmilySVP Worldwide Sales/MarketingSell3.0K$110.08$330K
2026-05-26
filed 2026-05-27
Tang FrancisChief Technology OfficerSell4.1K$108.00$447K
2026-05-26
filed 2026-05-27
Zhao JinPresident, Diodes AsiaSell3.7K$106.86$394K
2026-05-26
filed 2026-05-27
Yang EmilySVP Worldwide Sales/MarketingSell2.0K$107.52$215K
2026-05-26
filed 2026-05-27
Tsong AndySVP Worldwide Products GroupSell1.6K$106.95$169K
2026-05-20
filed 2026-05-21
Yang EmilySVP Worldwide Sales/MarketingSell2.0K$96.81$194K
2026-05-15
filed 2026-05-19
Yang EmilySVP Worldwide Sales/MarketingSell2.0K$101.47$203K

Reported non-derivative purchases and sales (codes P/S) — which may be open-market or private; excludes option exercises, grants, and shares withheld for taxes. Dates shown are the trade date; a Form 4 can be filed days to years later. A sale can be routine (e.g. a pre-set 10b5-1 plan), so read individual transactions in context. From SEC Form 4. Not investment advice.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
1.8M
settled 2026-08-14
Change vs prior
+5.1%
vs previous settlement
Days to cover
2.35
at avg daily volume
Avg daily volume
774.3K
FINRA reported
SettlementShares shortChangeDays to cover
2026-08-141.8M+5.1%2.35
2026-07-311.7M-12.0%3.53
2026-07-152.0M-4.3%4.66
2026-06-302.1M+13.6%2.28
2026-06-151.8M+1.1%3.39
2026-05-291.8M+23.6%2.23
2026-05-151.4M-7.2%1.90
2026-04-301.6M+5.7%2.41

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$1.48B$1.31B$1.66B$2.00B$1.81B
Gross profit$462.4M$435.9M$658.2M$827.2M$670.4M
Operating income$35.5M$50.5M$250.6M$408.2M$276.0M
Net income$66.1M$44.0M$227.2M$331.3M$228.8M
Diluted EPS$1.43$0.95$4.91$7.20$5.00

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Balance sheet (as reported)

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$215.5M$119.4M$280.9M$392.5M$338.5M
Capital expenditure$78.4M$73.0M$150.8M$211.7M$141.2M
Free cash flow$137.2M$46.4M$130.1M$180.8M$197.3M

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full details: where the numbers come from.

Quarterly trend (as reported)

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q2 FY2026$445.5M21.7%$46.6M$1.00
Q1 FY2026$405.5M22.1%$15.0M$0.32
Q4 FY2025$391.6M15.4%$10.2M$0.22
Q3 FY2025$392.2M12.0%$14.3M$0.31
Q2 FY2025$366.2M14.5%$46.1M$0.99
Q1 FY2025$332.1M10.0%$-4.4M$-0.10
Q4 FY2024$339.3M5.1%$8.2M$0.18
Q3 FY2024$350.1M-13.5%$13.7M$0.30

Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.

Company facts

ExchangeNasdaq
SectorTechnology
SIC industrySemiconductors & Related Devices
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ2 FY2026 (ended June 30, 2026)
Oldest indexed filing2016
SEC CIK29002

Selected SEC filings

10-Q2026-08-05
View on EDGAR →
8-K2026-08-27
View on EDGAR →
8-K2026-08-18
View on EDGAR →
8-K2026-08-12
View on EDGAR →
8-K2026-08-05
View on EDGAR →

Largest semiconductor peers

All semiconductor stocksAll Technology companies →

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Data sourced from SEC EDGAR. Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.