# Klaviyo, Inc.: overview

KVYO · NYSE · CIK 1835830 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/kvyo.md) · [Financials](/companies/kvyo/financials.md) · [Filings](/companies/kvyo/filings.md) · [Insiders](/companies/kvyo/insiders.md)

Latest reported revenue: [$370.6m](/filings/0001835830-26-000040.md) for Q2 FY2026, three months to 2026-06-30, from the 10-Q filed Aug 5, 2026 (XBRL us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax, accession 0001835830-26-000040).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [235](/filings/0001835830-25-000110.md) | [270 d](/filings/0001835830-26-000007.md) | [280](/filings/0001835830-26-000027.md) | [293](/filings/0001835830-26-000040.md) | [311](/filings/0001835830-25-000110.md) | [350 d](/filings/0001835830-26-000007.md) | [358](/filings/0001835830-26-000027.md) | [371](/filings/0001835830-26-000040.md) |
| Gross margin | % | [76.9%](/filings/0001835830-25-000110.md) | [73.4% d](/filings/0001835830-26-000007.md) | [75.8%](/filings/0001835830-26-000027.md) | [75.7%](/filings/0001835830-26-000040.md) | [75.5%](/filings/0001835830-25-000110.md) | [72.2% d](/filings/0001835830-26-000007.md) | [75.1%](/filings/0001835830-26-000027.md) | [72.6%](/filings/0001835830-26-000040.md) |
| Operating margin | % | [(5.6%)](/filings/0001835830-25-000110.md) | [(12.8%) d](/filings/0001835830-26-000007.md) | [(8.5%)](/filings/0001835830-26-000027.md) | [(10.7%)](/filings/0001835830-26-000040.md) | [(3.5%)](/filings/0001835830-25-000110.md) | [(0.5%) d](/filings/0001835830-26-000007.md) | [0.5%](/filings/0001835830-26-000027.md) | [(4.0%)](/filings/0001835830-26-000040.md) |
| Net margin | % | [(0.6%)](/filings/0001835830-25-000110.md) | [(10.0%) d](/filings/0001835830-26-000007.md) | [(5.0%)](/filings/0001835830-26-000027.md) | [(8.3%)](/filings/0001835830-26-000040.md) | [(0.1%)](/filings/0001835830-25-000110.md) | [2.0% d](/filings/0001835830-26-000007.md) | [2.5%](/filings/0001835830-26-000027.md) | [(2.4%)](/filings/0001835830-26-000040.md) |
| Diluted EPS | $ per share | [(0.01)](/filings/0001835830-25-000110.md) | not reported | [(0.05)](/filings/0001835830-26-000027.md) | [(0.09)](/filings/0001835830-26-000040.md) | [0.00](/filings/0001835830-25-000110.md) | not reported | [0.03](/filings/0001835830-26-000027.md) | [(0.03)](/filings/0001835830-26-000040.md) |
| Free cash flow | $m | [37.2 d](/filings/0001835830-25-000110.md) | [57.7 d](/filings/0001835830-26-000007.md) | [11.7](/filings/0001835830-26-000027.md) | [53.7 d](/filings/0001835830-26-000040.md) | [52.5 d](/filings/0001835830-25-000110.md) | [90.7 d](/filings/0001835830-26-000007.md) | [22.6](/filings/0001835830-26-000027.md) | [87.3 d](/filings/0001835830-26-000040.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY (2021-12-31) | FY (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | [291](/filings/0001835830-24-000022.md) | [473](/filings/0001835830-25-000014.md) | [698](/filings/0001835830-26-000007.md) | [937](/filings/0001835830-26-000007.md) | [1,234](/filings/0001835830-26-000007.md) |
| Gross margin | % | [70.9%](/filings/0001835830-24-000022.md) | [72.9%](/filings/0001835830-25-000014.md) | [74.5%](/filings/0001835830-26-000007.md) | [76.4%](/filings/0001835830-26-000007.md) | [74.7%](/filings/0001835830-26-000007.md) |
| Operating margin | % | [(27.3%)](/filings/0001835830-24-000022.md) | [(11.6%)](/filings/0001835830-25-000014.md) | [(47.4%)](/filings/0001835830-26-000007.md) | [(9.0%)](/filings/0001835830-26-000007.md) | [(5.5%)](/filings/0001835830-26-000007.md) |
| Net margin | % | [(27.3%)](/filings/0001835830-24-000022.md) | [(10.4%)](/filings/0001835830-25-000014.md) | [(44.2%)](/filings/0001835830-26-000007.md) | [(4.9%)](/filings/0001835830-26-000007.md) | [(2.6%)](/filings/0001835830-26-000007.md) |
| Diluted EPS | $ per share | [(0.36)](/filings/0001835830-24-000022.md) | [(0.21)](/filings/0001835830-25-000014.md) | [(1.27)](/filings/0001835830-26-000007.md) | [(0.17)](/filings/0001835830-26-000007.md) | [(0.11)](/filings/0001835830-26-000007.md) |
| Free cash flow | $m | [(35.8)](/filings/0001835830-24-000022.md) | [(39.4)](/filings/0001835830-25-000014.md) | [116](/filings/0001835830-26-000007.md) | [160](/filings/0001835830-26-000007.md) | [209](/filings/0001835830-26-000007.md) |

- Revenue. XBRL Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Gross margin (gross profit / revenue). XBRL Gross profit: us-gaap:GrossProfit; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss; Revenue: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/kvyo/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [SUMMIT PARTNERS L P](/funds/830588.md) | 2026-06-30 | $284.7m | 18,852,778 |  | Unchanged |
| [Capital International Investors](/funds/1562230.md) | 2026-06-30 | $158.3m | 10,482,971 |  | Reduced −1,220,888 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](/funds/2100121.md) | 2026-06-30 | $116.2m | 7,692,774 |  | Added +160,859 |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $114.9m | 7,612,078 |  | Added +3,257,743 |
| [FMR LLC](/funds/315066.md) | 2026-06-30 | $99.1m | 6,566,155 |  | Reduced −3,220,927 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $90.5m | 5,990,660 |  | Reduced −172,060 |
| [Whale Rock Capital Management LLC](/funds/1387322.md) | 2026-06-30 | $83.5m | 5,528,166 |  | Reduced −1,297,040 |
| [WELLINGTON MANAGEMENT GROUP LLP](/funds/902219.md) | 2026-06-30 | $76.2m | 5,049,414 |  | Reduced −430,029 |
| [MORGAN STANLEY](/funds/895421.md) | 2026-06-30 | $67.1m | 4,444,684 |  | Reduced −623,006 |
| [MILLENNIUM MANAGEMENT LLC](/funds/1273087.md) | 2026-06-30 | $62.2m | 4,117,367 |  | Added +1,769,132 |

## Recent filings

[All 475 filings](/companies/kvyo/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-05 | 20:09 ET | [10-Q](/filings/0001835830-26-000040.md) | Quarterly report, period 2026-06-30 | 0001835830-26-000040 |
| 2026-08-05 | 20:09 ET | [8-K](/filings/0001835830-26-000039.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001835830-26-000039 |
| 2026-07-13 | 13:05 ET | [8-K](/filings/0001835830-26-000032.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001835830-26-000032 |
| 2026-06-09 | 20:10 ET | [8-K](/filings/0001835830-26-000029.md) | 5.07 Shareholder vote results | 0001835830-26-000029 |
| 2026-05-05 | 20:13 ET | [10-Q](/filings/0001835830-26-000027.md) | Quarterly report, period 2026-03-31 | 0001835830-26-000027 |
| 2026-05-05 | 20:11 ET | [8-K](/filings/0001835830-26-000026.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001835830-26-000026 |
| 2026-04-29 | 21:24 ET | [DEF 14A](/filings/0001835830-26-000018.md) | Proxy statement, period 2026-06-09 | 0001835830-26-000018 |
| 2026-03-02 | 12:56 ET | [8-K](/filings/0001835830-26-000011.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001835830-26-000011 |
| 2026-02-10 | 21:08 ET | [10-K](/filings/0001835830-26-000007.md) | Annual report, period 2025-12-31 | 0001835830-26-000007 |
| 2026-02-10 | 21:05 ET | [8-K](/filings/0001835830-26-000005.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001835830-26-000005 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001835830-26-000007.md), filed Feb 10, 2026.

## Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by \[object Promise\]. [Forecast this quarter](/leagues/2026q3/targets/cbd7de13-d7d0-4dfa-b5e2-eaf3e9b03619)

## About the filer

- CIK: 1835830
- Tickers: KVYO
- Exchange: NYSE
- SIC code: 7372 Services-Prepackaged Software
- State of incorporation: DE
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:49 ET. No prices; not investment advice.