analyzeportfolio
NYSE · Communication Services

CALIX, INC (CALX)

As-reported financials and SEC filings for CALIX, INC. 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 CALIX, INC

Calix, Inc develops and sells a platform, cloud software, and managed services powered by AI to help communication service providers improve subscriber experiences and grow their businesses. Its main products include the Calix One Platform, which features cloud applications, AI-driven agent services, network access solutions, and managed services for homes, towns, small businesses, and multi-dwelling units. Calix serves a wide range of service providers including traditional wireline carriers, cable operators, wireless internet providers, municipalities, and managed service providers.

Snapshot

Revenue
$1.00B
Revenue growth (YoY)
20.3%
Net income
$17.9M
Diluted EPS
$0.26
Gross margin
56.8%
Operating margin
2.1%
Net margin
1.8%
FCF margin
11.6%
ROE
2.1%
net income / fiscal-year-end equity
P/E
49.3×
trailing when available, otherwise FY EPS
Market cap
$2.36B
Long-term debt / equity
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 Calix

  • Revenue grew 20.3% to $1.0B in FY2025, after a 20.0% decline the year before.
  • Operating margin is 2.1% in FY2025, -8.8 pp against 10.9% in FY2021.
  • Most recent quarter Q2 FY2026: revenue $293M, up 21.3% from Q2 FY2025.
  • Free cash flow was $116M in FY2025, 11.6% of revenue.
  • Net income turned positive at $18M in FY2025, from a $30M loss in FY2024.

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 Calix’s fundamentals sit among the 216 Communication Services companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Gross margin56.8%
70th percentile of 105
Operating margin2.1%
48th percentile of 185
Net margin1.8%
57th percentile of 191
FCF margin11.6%
72nd percentile of 164
Revenue growth (YoY)+20.3%
79th percentile of 209
ROE2.1%
55th percentile of 165
P/E49.3×
74th percentile of 95
Short interest5.20d
70th percentile of 216

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 sector 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 6 quant / multi-strat books among the superinvestors we track; no conviction manager currently reports a position.

Conviction investors
0
+6 quant / multi-strat
Initiated / added
5
0 new, 5 added
Reduced / exited
3
1 trimmed, 2 exited
Combined position
$137.0M
reported long value
InvestorAs ofPosition valueSharesChange
Citadel AdvisorsquantQ2 2026$45.1M1.2MAdded
Two Sigma InvestmentsquantQ2 2026$26.3M703.9KAdded
Millennium ManagementquantQ2 2026$26.1M698.6KReduced
Renaissance TechnologiesquantQ2 2026$20.5M548.1KAdded
D. E. ShawquantQ2 2026$15.3M409.1KAdded
AQR Capital ManagementquantQ2 2026$3.8M106.1KAdded

No longer held by: Gotham Asset Management (as of Q2 2026), Point72 Asset Management (as of Q2 2026)

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.

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
4.0M
settled 2026-08-14
Change vs prior
-20.7%
vs previous settlement
Days to cover
5.20
at avg daily volume
Avg daily volume
761.1K
FINRA reported
SettlementShares shortChangeDays to cover
2026-08-144.0M-20.7%5.20
2026-07-315.0M-12.7%2.89
2026-07-155.7M-1.6%5.17
2026-06-305.8M+3.4%3.86
2026-06-155.6M-5.9%5.21
2026-05-296.0M+10.5%7.17
2026-05-155.4M-10.9%7.28
2026-04-306.1M+0.7%3.94

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$1.00B$831.5M$1.04B$867.8M$679.4M
Gross profit$568.3M$453.6M$518.3M$435.4M$356.6M
Operating income$21.0M$-43.0M$25.6M$52.6M$73.9M
Net income$17.9M$-29.7M$29.3M$41.0M$238.4M
Diluted EPS$0.26$-0.45$0.42$0.60$3.51

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)

 FY2025FY2024FY2023FY2022FY2021
Cash and equivalents$143.1M$43.2M$63.4M$79.1M$51.3M
Current assets$691.6M$584.7M$598.0M$547.4M$409.2M
Total assets$1.06B$939.3M$941.9M$884.8M$742.0M
Current liabilities$163.2M$131.1M$187.6M$165.4M$128.1M
Long-term debt
Total liabilities$199.3M$158.3M$222.9M$205.3M$173.6M
Total equity$859.2M$780.9M$719.0M$679.6M$568.4M

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$135.0M$68.4M$56.3M$27.2M$56.8M
Capital expenditure$19.4M$18.1M$17.9M$14.1M$10.5M
Free cash flow$115.5M$50.3M$38.4M$13.1M$46.3M

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$293.3M21.3%$17.1M$0.26
Q1 FY2026$280.0M27.1%$11.2M$0.16
Q4 FY2025$272.4M32.2%$7.2M$0.10
Q3 FY2025$265.4M32.1%$15.7M$0.22
Q2 FY2025$241.9M22.1%$-199,000$0.00
Q1 FY2025$220.2M-2.7%$-4.8M$-0.07
Q4 FY2024$206.1M-22.1%$-17.9M$-0.27
Q3 FY2024$200.9M-23.8%$-4.0M$-0.06

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

Company facts

ExchangeNYSE
SectorCommunication Services
SIC industryCommunications Services, NEC
Latest annual periodFY2025 (ended December 31, 2025)
Latest reported quarterQ2 FY2026 (ended June 27, 2026)
Oldest indexed filing2010
SEC CIK1406666

Selected SEC filings

10-K2026-02-20
View on EDGAR →
10-Q2026-07-21
View on EDGAR →
10-Q2026-04-22
View on EDGAR →
8-K2026-07-20
View on EDGAR →
8-K2026-05-15
View on EDGAR →
8-K2026-04-21
View on EDGAR →
8-K2026-04-21
View on EDGAR →

Largest Communication Services peers

All Communication Services companies →

Monitor CALX

Get an alert when Calix files something material, see which superinvestors own it, and ask its filings a question with cited answers.

Monitor CALX free

Includes one free filing-grounded research answer. Or check your whole portfolio, no account needed.

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.