Klaviyo, Inc. (KVYO) ownership: Top institutional holder: VANGUARD GROUP INC ($466.32M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 14361540.00 | $466.32M | 2025-12-31 |
| SUMMIT PARTNERS L P | 18852778.00 | $366.88M | 2026-03-31 |
| Capital International Investors | 11703859.00 | $227.76M | 2026-03-31 |
| FMR LLC | 9787082.00 | $190.46M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7531915.00 | $146.57M | 2026-03-31 |
| Whale Rock Capital Management LLC | 6825206.00 | $132.82M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6162720.00 | $119.93M | 2026-03-31 |
| WELLINGTON MANAGEMENT GROUP LLP | 5479443.00 | $106.63M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-18 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.