Klaviyo, Inc.
KVYO- Exchange
- NYSE
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001835830
In the last 90 days, Klaviyo, Inc. insiders filed 0 open-market purchases and 7 sales; 277 institutions reported holding it in 13F filings for Q2 2026, worth $2.19B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $92.4M in total
- 7
- 13F holdersQ2 2026, +13 vs. previous quarter
- 277
- 13F valueReported value at the end of Q2 2026
- $2.19B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding KVYO, Q2 2026
No superinvestor reported holding KVYO at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Klaviyo, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 25, 2026 (view filing)5:50 PM ET | Sep 24 | 1 day | Hallen EdDirector, 10% Owner | SSaleSeries A Common Stock | −1.30K | $17.02 | −$22.1K | −0.3%446.9K after | 2 lots10b5-1 |
| Sep 14, 2026 (view filing)4:49 PM ET | Sep 11 | 3 days | St. Ledger SusanDirector | SSaleSeries A Common Stock | −2.33K | $15.93 | −$37.1K | −9.0%23.4K after | 10b5-1 |
| Sep 1, 2026 (view filing)8:18 PM ET | Aug 31 | 1 day | Hallen EdDirector, 10% Owner | SSaleSeries A Common Stock | −98.8K | $20.48 | −$2.02M | −17.5%465.6K after | 2 lots10b5-1 |
| Sep 1, 2026 (view filing)8:16 PM ET | Aug 28-31 | 4 days | Edmond LandonChief Legal Officer | SSaleSeries A Common Stock | −61.6K | $20.07 | −$1.24M | −11.4%477.9K after | 2 lots10b5-1 |
| Aug 18, 2026 (view filing)8:02 PM ET | Aug 14 | 4 days | Whalen AmandaChief Financial Officer | SSaleSeries A Common Stock | −14.0K | $18.47 | −$258.6K | −1.7%824.2K after | 10b5-1 |
| Aug 13, 2026 (view filing)4:30 PM ET | Aug 11 | 2 days | Summit Partners L P and 5 others10% Owner | SSaleSeries A Common Stock, par value $0.001 per share | −5.00M | $17.71 | −$88.5M | −100.0%0 after | |
| Jul 17, 2026 (view filing)8:01 PM ET | Jul 16 | 1 day | Whalen AmandaChief Financial Officer | SSaleSeries A Common Stock | −14.0K | $17.75 | −$248.5K | −1.6%838.2K after | 10b5-1 |
| Jun 18, 2026 (view filing) | Jun 18 | Same day | Whalen AmandaChief Financial Officer | SSaleSeries A Common Stock | −14.0K | $13.23 | −$185.2K | −1.6%852.2K after | 10b5-1 |
| May 28, 2026 (view filing) | May 26 | 2 days | Bialecki AndrewCo-Chief Executive Officer | SSaleSeries A Common Stock | −212.5K | $14.61 | −$3.11M | −100.0%0 after | 10b5-1 |
| May 20, 2026 (view filing) | May 18 | 2 days | St. Ledger SusanDirector | SSaleSeries A Common Stock | −9.33K | $14.27 | −$133.2K | −46.0%10.9K after | 10b5-1 |
Top 10 13F holders, Q2 2026
The largest institutional positions in Klaviyo, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Summit Partners L P | 18,852,778 | $284.7M | 46.75% | 00.0% | Unchanged |
| Capital International Investors | 10,482,971 | $158.3M | 0.03% | −1,220,888−10.4% | Reduced |
| Vanguard Portfolio Management LLC | 7,692,774 | $116.2M | 0.01% | +160,859+2.1% | Added |
| BlackRock, Inc. | 7,612,078 | $114.9M | 0.00% | +3,257,743+74.8% | Added |
| FMR LLC | 6,566,155 | $99.1M | 0.00% | −3,220,927−32.9% | Reduced |
| Vanguard Capital Management LLC | 5,990,660 | $90.5M | 0.00% | −172,060−2.8% | Reduced |
| Whale Rock Capital Management LLC | 5,528,166 | $83.5M | 0.67% | −1,297,040−19.0% | Reduced |
| Wellington Management Group LLP | 5,049,414 | $76.2M | 0.01% | −430,029−7.8% | Reduced |
| Morgan Stanley | 4,444,684 | $67.1M | 0.00% | −623,006−12.3% | Reduced |
| Millennium Management LLC | 4,117,367 | $62.2M | 0.04% | +1,769,132+75.3% | Added |