Post-IPO Stock Performance
Klaviyo debuted on September 20, 2024 at $23/share, with the stock popping roughly 20% to close at ~$27.60 on its first day of trading on the NYSE. The strong debut reflected investor enthusiasm for a rare combination: a profitable, high-growth SaaS company with $700M+ in ARR going public. Klaviyo's marketing automation platform for ecommerce brands positions it well in a growing DTC market, though post-IPO performance depends on quarterly earnings, churn rates, and how the company scales its SMS and email platform against competitors like Attentive and Braze.
IPO Price
$23.00
September 20, 2024 — NYSE listing
First Day Close
~$27.60
~20% pop on debut — Sep 20, 2024
Opening Valuation
~$9.2B
Based on ~403M shares at $23 IPO price
Capital Raised
$576M
One of the larger 2024 SaaS IPOs
ARR at IPO
$700M+
Profitable unicorn — positive cash flow
Customers at IPO
100K+
Ecommerce brands globally
📉 Rare Profitable SaaS IPO — Why It Matters
Klaviyo's September 2024 IPO stood out in a market where most high-profile tech listings were loss-making. At $700M+ ARR with positive free cash flow, Klaviyo proved that a profitable, capital-efficient SaaS business could still command strong investor appetite. The ~20% first-day pop and $9.2B opening valuation reflected confidence in the ecommerce marketing automation category — and differentiated Klaviyo from the wave of unprofitable 2021–2023 SaaS IPOs that subsequently crashed.
Key Financial Metrics
Klaviyo entered the public markets as one of the few profitable, high-growth SaaS companies to IPO in 2024. At the time of its September 2024 listing, the company reported $700M+ in ARR (annual recurring revenue) and positive free cash flow — a rare profile among tech unicorns. The platform's subscription model, anchored by ecommerce brands using Shopify, WooCommerce, and BigCommerce, provides predictable revenue and low churn relative to other SaaS categories.
$23
IPO Price Per Share
NYSE: KVYO, listed September 20, 2024
~$9.2B
Opening Valuation
At $23/share pricing (Sep 2024)
$576M
Capital Raised
Via IPO — among larger 2024 SaaS raises
$700M+
ARR at IPO
Annual Recurring Revenue — profitable
100K+
Ecommerce Customers
DTC brands on Shopify, WooCommerce, etc.
~20%
First Day Pop
Closed at ~$27.60 on Sep 20, 2024
What Is Klaviyo?
Klaviyo was founded in 2012 by Andrew Bialek and Brandon Kates with a focus on helping ecommerce brands build lasting customer relationships through data-driven marketing. Unlike generic email platforms, Klaviyo is purpose-built for online retail — integrating directly with Shopify, WooCommerce, BigCommerce, and Magento to pull in purchase history, browse behavior, and customer profiles to power personalized email and SMS campaigns.
The company's core value proposition is lifecycle marketing: using customer data to send the right message at the right time — welcome series, abandoned cart reminders, post-purchase follow-ups, and reactivation campaigns. This "set and forget" automation drives repeat purchases and increases customer lifetime value (LTV), making Klaviyo a critical tool for direct-to-consumer (DTC) brands managing thousands of SKUs and customer relationships.
By the time of its IPO in September 2024, Klaviyo served over 100,000 ecommerce brands, processing billions of data events per day to power its AI-driven personalization engine. The platform expanded beyond email into SMS marketing, push notifications, and review generation — becoming a full-stack customer engagement platform for online retailers.
🎯 Ecommerce Marketing Automation — A $10B+ Category
Klaviyo competes in the marketing automation space against Attentive, Braze, and legacy players like Salesforce Marketing Cloud. What makes Klaviyo distinctive is its deep Shopify integration and focus on the mid-market DTC brand segment. As more consumer brands build online-first businesses (accelerated by COVID-19), Klaviyo's platform addresses a fundamental need: turning one-time buyers into repeat customers through personalized, automated outreach.
IPO & Post-IPO Timeline
2012
Klaviyo Founded
Andrew Bialek and Brandon Kates launch Klaviyo in Boston, focused on ecommerce email marketing automation
2015–2019
Product-Market Fit & Growth
Deep Shopify integration drives rapid adoption among DTC brands; ARR grows to $100M+; company becomes profitable
March 2021
Series C — $500M at $9.2B Valuation
Summit Partners leads $500M round at $9.2B valuation — one of the largest raises for a profitable SaaS company
2022–2023
Expansion: SMS, SMS & Customer Data Platform
Expands beyond email into SMS marketing, push notifications, and a Customer Data Platform (CDP); launches AI-powered personalization
Early 2024
IPO Preparation
Hires banks (Goldman Sachs, JPMorgan); financial audits; files registration statement; $700M+ ARR with positive cash flow confirmed
September 20, 2024
🟢 IPO: Listed on NYSE at $23/Share
Prices at $23/share; raises ~$576M; opens at ~$9.2B valuation; stock pops ~20% to close at ~$27.60. Ticker: KVYO on NYSE
Late 2024–2025
Post-IPO Operations as Public Company
Quarterly earnings reporting begins; continued expansion of SMS and AI features; competition with Attentive and Braze intensifies
Klaviyo vs. Competitors
| Company |
Market Cap (2026 Est.) |
Revenue/ARR |
Core Product |
Status |
| Klaviyo (KVYO) |
~$9–10B est. |
$700M+ ARR |
Email & SMS for ecommerce |
🟢 Public — NYSE (Sep 2024) |
| Attentive (ATTN) |
~$5–6B est. |
$700M+ ARR |
SMS-first marketing |
Public — NYSE |
| Braze (BRZE) |
~$3–4B est. |
$500M+ ARR |
Cross-channel engagement |
Public — Nasdaq |
| Salesforce (CRM) |
~$250B |
$30B+ |
Enterprise marketing cloud |
Public (CRM) |
| HubSpot (HUBS) |
~$25B |
$2B+ |
Marketing hub, inbound |
Public (NYSE) |
Data as of 2026. Valuations approximate and based on public market data. Klaviyo is one of the three largest pure-play ecommerce marketing automation platforms.
Frequently Asked Questions
When did Klaviyo IPO?
Klaviyo went public on September 20, 2024 on the New York Stock Exchange (NYSE) under the ticker symbol KVYO. The IPO priced at $23 per share, raising approximately $576 million at an opening valuation of roughly $9.2 billion. The stock popped roughly 20% on its first day, closing at approximately $27.60 — a strong debut that reflected investor appetite for a profitable, high-growth SaaS business in the ecommerce space.
What is Klaviyo's ticker symbol and exchange?
Klaviyo trades on the New York Stock Exchange (NYSE) under the ticker symbol KVYO. The company went public on September 20, 2024, managed by Goldman Sachs, JPMorgan Chase, and other banks. Unlike many 2024 IPOs, Klaviyo came to market as a profitable business with $700M+ in ARR — a distinctive profile that attracted broad investor interest.
What was Klaviyo's IPO price and opening valuation?
Klaviyo priced its IPO at $23 per share on September 20, 2024. Based on approximately 403 million shares outstanding at the IPO price, the opening valuation was roughly $9.2 billion. The company raised approximately $576 million in the offering — one of the larger SaaS IPOs in 2024. The stock jumped approximately 20% on its first day of trading, closing at around $27.60 per share.
How has Klaviyo performed since its IPO?
Klaviyo (NYSE: KVYO) debuted at approximately $27.60 on September 20, 2024, up roughly 20% from its $23 IPO price — a strong first-day performance. As a publicly traded company, Klaviyo is now evaluated on quarterly earnings, ARR growth rate, net revenue retention (NRR), and its ability to expand further into SMS and AI-driven marketing. The ecommerce marketing automation category is competitive — Klaviyo faces Attentive (also public) and Braze — but its deep Shopify integration and focus on mid-market DTC brands are key differentiators.
What does Klaviyo do?
Klaviyo is a marketing automation platform built specifically for ecommerce brands. The company helps over 100,000 businesses personalize email, SMS, and push notification campaigns based on customer purchase history and behavior. Klaviyo integrates natively with Shopify, WooCommerce, BigCommerce, and Magento — pulling in order data, browse behavior, and customer profiles to power automated lifecycle marketing workflows (welcome series, abandoned cart recovery, post-purchase follow-ups, reactivation). The platform uses AI to optimize send times, subject lines, and content personalization.
Is Klaviyo profitable?
Yes — Klaviyo was one of the few profitable unicorns to go public in recent years. At the time of its September 2024 IPO, the company reported $700M+ in ARR (annual recurring revenue) and positive free cash flow. This profitability distinguishes Klaviyo from most high-profile tech IPOs, which typically arrive as loss-making businesses dependent on continued investment to fuel growth. Klaviyo's capital-efficient model reflects its subscription SaaS structure and the high net revenue retention typical of its ecommerce customer base.
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