Klaviyo (KVYO)
Unifies customer data with marketing automation, analytics, and customer service for B2C brands.
$15.92
After hours+0.05 (+0.32%)
At close$15.87(+0.32%)
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13F · 13D/G · Form 4
| Institutions | 51.32% | 146.13M shares | |
|---|---|---|---|
| 299 holders · as of Jun 30, 2026 | |||
| Insiders | 39.23% | 111.70M shares | |
| 12 holders · as of Sep 14, 2026 | |||
| Strategic holders | 9.99% | 28.43M shares | |
| 2 holders · as of Aug 31, 2026 | |||
| Adds to | 100.54% | ||
284.73M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
These groups come from separate filings that can overlap, so they add to 100.54%; nothing is left for Other.
This company has 2 share classes; every stake here is a share of the whole company.
13F, as of Jun 30, 2026
299 holders · 146.13M shares · 70 new positions · 167 increased · 81 reduced · 59 closed
| Holder | Shares | % of company | Chg q/q | Filed |
|---|---|---|---|---|
| Summit Partners L P | 18.85M | 6.62% | 0 | Jul 30, 2026 |
| Capital International Investors | 10.48M | 3.68% | −1.22M | Aug 12, 2026 |
| Vanguard Portfolio Management LLC | 7.69M | 2.70% | +160.9K | Aug 13, 2026 |
| BlackRock, Inc. | 7.61M | 2.67% | +3.26M | Aug 7, 2026 |
| FMR LLC | 6.57M | 2.31% | −3.22M | Aug 13, 2026 |
| Vanguard Capital Management LLC | 5.99M | 2.10% | −172.1K | Aug 13, 2026 |
| Whale Rock Capital Management LLC | 5.53M | 1.94% | −1.30M | Aug 14, 2026 |
| Wellington Management Group LLP | 5.05M | 1.77% | −430.0K | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Bialecki Andrew | 35.10% | 78.16M | 13G | Feb 10, 2026 |
| Shopify Strategic Holdings 3 LLCincl. Shopify Inc. | 20.83% | 33.41M | 13D | Aug 31, 2026 |
| Hallen Ed | 19.40% | 32.88M | 13G | Nov 5, 2025 |
| Accomplice Fund I, L.P. | 10.50% | 11.11M | 13G | May 7, 2025 |
| Capital International Investors | 8.00% | 11.70M | 13G | May 14, 2026 |
| Summit Partners Growth Equity Fund IX-A, L.P. | 7.11% | 11.14M | 13G | Nov 13, 2025 |
| FMR LLC | 6.70% | 8.24M | 13G | Nov 5, 2025 |
| BlackRock, Inc. | 5.30% | 7.46M | 13G | Jul 29, 2026 |
| Vanguard Portfolio Management | 5.17% | 7.53M | 13G | Apr 29, 2026 |
| Vanguard Capital Management | 5.00% | 7.05M | 13G | Jul 31, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 11, 2026 | Ledger Susan St.director | Sale | 2,328 | $15.93 | 23,433 |
| Aug 31, 2026 | Landon Edmondofficer: Chief Legal Officer | Sale | 8,103 | $20.44 | 477,866 |
| Aug 28, 2026 | Landon Edmondofficer: Chief Legal Officer | Sale | 53,473 | $20.01 | 485,969 |
| Aug 31, 2026 | Ed Hallendirector, 10 percent owner: | Sale · 2 lots | 98,782 | $20.48 | 94,457 |
| Aug 14, 2026 | Amanda Whalenofficer: Chief Financial Officer | Sale | 14,000 | $18.47 | 824,192 |
| Aug 11, 2026 | Summit Partners L P10 percent owner | Sale | 5,000,000 | $17.71 | 0 |
| Jul 16, 2026 | Amanda Whalenofficer: Chief Financial Officer | Sale | 14,000 | $17.75 | 838,192 |
| Jun 18, 2026 | Amanda Whalenofficer: Chief Financial Officer | Sale | 14,000 | $13.23 | 852,192 |
| May 26, 2026 | Andrew Bialeckidirector, 10 percent owner, officer: Co-Chief Executive Officer | Sale | 212,529 | $14.61 | 0 |
| May 19, 2026 | Andrew Bialeckidirector, 10 percent owner, officer: Co-Chief Executive Officer | Sale | 200,000 | $14.88 | 0 |
House and Senate disclosures
Not reported.