Klaviyo Inc. Class AKVYO
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 277 institutions reported holding Klaviyo Inc. Class A (KVYO) in their 13F filings, up 11 from Q1 2026. 66 opened new positions and 56 sold out. The largest holders were Summit Partners L P ($284.7M), Capital International Investors ($158.3M) and Vanguard Portfolio Management LLC ($116.2M). 7 famous investors held it, including Alex Sacerdote (0.7% of Whale Rock Capital Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Klaviyo Inc. Class A
- CUSIP
- 49845K101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 66 | $85.7M |
| Exits | 56 | $300.7M |
All 13F filers, Q1 2026 → Q2 2026: 26,122,039 shares bought and 38,725,600 shares sold, net −12,603,561 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 277 holders
| Summit Partners L P | 46.75% | No change | 18,852,778 | $284.7M |
| Capital International Investors | 0.03% | Reduce -10.4% | 10,482,971 | $158.3M |
| Vanguard Portfolio Management LLC | 0.01% | Add +2.1% | 7,692,774 | $116.2M |
| BlackRock, Inc. | 0.00% | Add +74.8% | 7,612,078 | $114.9M |
| FMR LLC | 0.00% | Reduce -32.9% | 6,566,155 | $99.1M |
| Vanguard Capital Management LLC | 0.00% | Reduce -2.8% | 5,990,660 | $90.5M |
| Whale Rock Capital Management | 0.67% | Reduce -19.0% | 5,528,166 | $83.5M |
| Wellington Management Group LLP | 0.01% | Reduce -7.8% | 5,049,414 | $76.2M |
| Morgan Stanley | 0.00% | Reduce -12.3% | 4,444,684 | $67.1M |
| Millennium Management | 0.04% | Add +75.3% | 4,117,367 | $62.2M |
| Sands Capital Alternatives, LLC | 9.67% | Add +7.6% | 3,928,146 | $59.3M |
| Bank of America Corp. | 0.00% | Add +126.4% | 3,819,545 | $57.7M |
| Geode Capital Management, LLC | 0.00% | Add +39.6% | 2,476,695 | $37.4M |
| State Street Corp. | 0.00% | Add +100.7% | 2,319,638 | $35.0M |
| Greenoaks LLC | 1.48% | No change | 2,316,796 | $35.0M |
| Capital World Investors | 0.00% | Add +2.8% | 2,097,263 | $31.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -17.4% | 1,784,550 | $26.9M |
| Two Sigma Investments, LP | 0.02% | Reduce -38.9% | 1,767,900 | $26.7M |
| Canada Pension Plan Investment Board | 0.01% | Add +125.7% | 1,708,900 | $25.8M |
| Jupiter Topco LLC | 0.01% | — | 1,614,070 | $24.4M |
| Renaissance Technologies | 0.03% | Reduce -4.9% | 1,560,244 | $23.6M |
| First Trust Advisors LP | 0.01% | Add +17.8% | 1,392,659 | $21.0M |
| Clearbridge Investments, LLC | 0.02% | Reduce -6.0% | 1,384,236 | $20.9M |
| Islander Capital Partners, L.P. | 7.58% | Add +12.8% | 1,383,304 | $20.9M |
| Fiera Capital Corp | 0.08% | Reduce -42.6% | 1,377,721 | $20.8M |
| Barton Investment Management | 2.57% | Add +19.7% | 1,256,608 | $19.0M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +598.9% | 1,252,119 | $18.9M |
| Marshall Wace, LLP | 0.02% | Add +7.3% | 1,218,359 | $18.4M |
| D. E. Shaw & Co. | 0.01% | Add +1750.6% | 1,194,162 | $18.0M |
| Citadel Advisors | 0.01% | Add +0.8% | 1,172,112 | $17.7M |
| Trexquant Investment LP | 0.11% | Add +63.4% | 1,143,476 | $17.3M |
| Point72 Asset Management | 0.03% | Reduce -33.4% | 1,114,467 | $16.8M |
| Franklin Resources Inc. | 0.00% | Add +1.0% | 1,088,959 | $16.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +210.6% | 1,002,210 | $15.1M |
| Squarepoint Ops LLC | 0.03% | Add +1153.6% | 962,136 | $14.5M |
| Bienville Capital Management, LLC | 2.04% | Reduce -23.6% | 938,354 | $14.2M |
| ExodusPoint Capital Management, LP | 0.13% | New | 934,136 | $14.1M |
| Qube Research & Technologies Ltd | 0.02% | Add +49.8% | 901,395 | $13.6M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +1.7% | 893,331 | $13.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -81.0% | 817,683 | $12.3M |
| Amundi | 0.00% | New | 814,142 | $12.3M |
| UBS Group AG | 0.00% | Add +311.5% | 808,204 | $12.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -9.9% | 796,891 | $12.0M |
| Balyasny Asset Management L.P. | 0.02% | New | 718,899 | $10.9M |
| Delta Global Management LP | 1.13% | Reduce -18.5% | 690,658 | $10.4M |
| Northern Trust Corp. | 0.00% | Add +83.2% | 678,134 | $10.2M |
| Congress Asset Management Co. | 0.06% | New | 636,230 | $9.6M |
| Bank of New York Mellon Corp | 0.00% | Reduce -62.0% | 573,727 | $8.7M |
| Quantinno Capital Management LP | 0.01% | Add +0.1% | 548,676 | $8.3M |
| New York State Common Retirement Fund | 0.01% | Add +15.3% | 528,368 | $8.0M |
| Voleon Capital Management LP | 0.13% | Add +1173.7% | 477,352 | $7.2M |
| XTX Topco Ltd | 0.09% | Add +281.8% | 469,280 | $7.1M |
| Integrated Wealth Concepts LLC | 0.04% | Add +1.3% | 435,481 | $6.6M |
| Morangie Management LLC | 5.06% | Reduce -4.9% | 403,166 | $6.1M |
| Jane Street Group, LLC | 0.00% | Add +323.7% | 397,824 | $6.0M |
| Twin Focus Capital Partners, LLC | 0.56% | No change | 364,666 | $5.5M |
| Nuveen, LLC | 0.00% | Add +1439.1% | 359,127 | $5.4M |
| Susquehanna Fundamental Investments, LLC | 0.10% | New | 344,823 | $5.2M |
| Huntington National Bank | 0.03% | Add +100.0% | 333,001 | $5.0M |
| AQR Capital Management | 0.00% | Reduce -65.2% | 317,805 | $4.8M |
| Jump Financial, LLC | 0.05% | New | 315,500 | $4.8M |
| Pathstone Holdings, LLC | 0.01% | Add +96.8% | 313,766 | $4.7M |
| BNP Paribas Financial Markets | 0.00% | Add +25.1% | 307,682 | $4.6M |
| ArrowMark Colorado Holdings LLC | 0.19% | Reduce -79.4% | 307,282 | $4.6M |
| Capital Fund Management S.A. | 0.03% | Add +66.2% | 307,209 | $4.6M |
| Formula Growth Ltd. | 1.59% | Add +100.0% | 300,000 | $4.5M |
| Susquehanna International Group, LLP | 0.00% | Reduce -79.8% | 294,734 | $4.5M |
| BW Gestao de Investimentos Ltda. | 0.11% | Add +147.1% | 293,565 | $4.4M |
| Swiss National Bank | 0.00% | Add +8.3% | 280,600 | $4.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +201.5% | 271,505 | $4.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +8.3% | 257,260 | $3.9M |
| LGT Fund Management Co Ltd. | 0.14% | New | 230,100 | $3.5M |
| Algert Global LLC | 0.04% | Add +63.3% | 227,320 | $3.4M |
| Mayflower Financial Advisors, LLC | 0.30% | Reduce -0.0% | 226,700 | $3.4M |
| Victory Capital Management Inc. | 0.00% | Add +6.2% | 211,751 | $3.2M |
| Sands Capital Management, LLC | 0.01% | Reduce -66.6% | 198,806 | $3.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +47.0% | 198,284 | $3.0M |
| Holocene Advisors, LP | 0.01% | Add +124.2% | 193,037 | $2.9M |
| Aquatic Capital Management LLC | 0.10% | Add +55.0% | 187,536 | $2.8M |
| Invesco Ltd. | 0.00% | Add +321.9% | 179,631 | $2.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | New | 176,600 | $2.7M |
| Y-Intercept (Hong Kong) Ltd | 0.05% | New | 167,309 | $2.5M |
| Wells Fargo & Company | 0.00% | Add +6.3% | 163,004 | $2.5M |
| California State Teachers Retirement System | 0.00% | Add +1.3% | 157,385 | $2.4M |
| Brevan Howard Capital Management LP | 0.03% | Add +47.3% | 149,608 | $2.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Reduce -16.5% | 131,860 | $2.0M |
| Engineers Gate Manager LP | 0.03% | Add +559.9% | 131,709 | $2.0M |
| Focus Partners Wealth | 0.00% | Reduce -7.2% | 131,028 | $2.0M |
| Crestwood Advisors Group, LLC | 0.03% | Reduce -0.4% | 128,408 | $1.9M |
| IMC-Chicago, LLC | 0.02% | Add +100.6% | 121,976 | $1.8M |
| Shay Capital LLC | 0.20% | New | 117,500 | $1.8M |
| Rhumbline Advisers | 0.00% | Add +5209.8% | 114,214 | $1.7M |
| Night Squared LP | 0.18% | Reduce -52.5% | 112,588 | $1.7M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -2.6% | 109,527 | $1.7M |
| FIL Ltd | 0.00% | Reduce -1.6% | 105,586 | $1.6M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +14.6% | 101,204 | $1.5M |
| Legal & General Group Plc | 0.00% | Add +1.7% | 98,034 | $1.5M |
| Royal Bank of Canada | 0.00% | Reduce -5.6% | 96,932 | $1.5M |
| Man Group plc | 0.00% | Add +22.2% | 93,699 | $1.4M |
| Kerrisdale Advisers, LLC | 0.34% | New | 91,120 | $1.4M |
"% of holder's portfolio" is KVYO's weight in each manager's 13F, not the share of Klaviyo Inc. Class A the manager owns.