Klaviyo Inc. Class AKVYO
13F holders, Q1 2026 (March 31)266holders +5
53new positions
49sold out
8famous investors
$19.70avg. 13F price*
At the end of Q1 2026, 266 institutions reported holding Klaviyo Inc. Class A (KVYO) in their 13F filings, up 5 from Q4 2025. 53 opened new positions and 49 sold out. The largest holders were Summit Partners L P ($366.9M), Capital International Investors ($227.8M) and FMR LLC ($190.5M). 8 famous investors held it, including Alex Sacerdote (1.7% of Whale Rock Capital Management's portfolio), Steve Cohen (0.1% of Point72 Asset 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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 53 | $181.2M |
| Exits | 49 | $233.5M |
All 13F filers, Q4 2025 → Q1 2026: 30,124,541 shares bought and 28,092,503 shares sold, net +2,032,038 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 266 holders
| Summit Partners L P | 54.74% | No change | 18,852,778 | $366.9M |
| Capital International Investors | 0.05% | Reduce -8.5% | 11,703,859 | $227.8M |
| FMR LLC | 0.01% | Add +16.9% | 9,787,082 | $190.5M |
| Vanguard Portfolio Management LLC | 0.01% | — | 7,531,915 | $146.6M |
| Whale Rock Capital Management | 1.72% | Add +123.2% | 6,825,206 | $132.8M |
| Vanguard Capital Management LLC | 0.00% | — | 6,162,720 | $119.9M |
| Wellington Management Group LLP | 0.02% | New | 5,479,443 | $106.6M |
| Alliancebernstein L.P. | 0.03% | Reduce -35.6% | 3,048,223 | $99.0M |
| Morgan Stanley | 0.01% | Reduce -65.2% | 5,067,690 | $98.6M |
| BlackRock, Inc. | 0.00% | Add +17.2% | 4,354,335 | $84.7M |
| JPMorgan Chase & Co. | 0.01% | Add +20.6% | 4,299,977 | $81.6M |
| Sands Capital Alternatives, LLC | 16.86% | No change | 3,649,678 | $71.0M |
| Fuller & Thaler Asset Management, Inc. | 0.19% | Add +3.1% | 2,941,998 | $57.3M |
| American Century Companies Inc. | 0.03% | Add +1.0% | 2,923,295 | $56.9M |
| Two Sigma Investments, LP | 0.05% | Add +30.0% | 2,891,890 | $56.3M |
| Federated Hermes, Inc. | 0.08% | Reduce -9.0% | 2,639,485 | $51.4M |
| Fiera Capital Corp | 0.16% | Add +2.9% | 2,399,260 | $46.7M |
| Millennium Management | 0.04% | Add +38.1% | 2,348,235 | $45.7M |
| Greenoaks LLC | 1.96% | No change | 2,316,796 | $45.1M |
| Goldman Sachs Group Inc. | 0.01% | Add +41.8% | 2,161,293 | $42.1M |
| Capital World Investors | 0.01% | Add +77.7% | 2,040,048 | $39.7M |
| Geode Capital Management, LLC | 0.00% | Add +6.0% | 1,773,550 | $34.5M |
| Bank of America Corp. | 0.00% | Add +88.8% | 1,686,770 | $32.8M |
| Point72 Asset Management | 0.06% | Add +90.7% | 1,672,359 | $32.5M |
| Renaissance Technologies | 0.05% | Reduce -7.0% | 1,640,844 | $31.9M |
| Bank of New York Mellon Corp | 0.01% | Add +8.9% | 1,508,137 | $29.3M |
| ArrowMark Colorado Holdings LLC | 0.77% | Add +82.5% | 1,488,481 | $29.0M |
| Clearbridge Investments, LLC | 0.03% | Reduce -10.3% | 1,473,431 | $28.7M |
| Susquehanna International Group, LLP | 0.04% | New | 1,461,158 | $28.4M |
| Capital Research Global Investors | 0.00% | Reduce -47.7% | 1,348,445 | $26.2M |
| Schonfeld Strategic Advisors LLC | 0.20% | Add +76.5% | 1,238,205 | $24.1M |
| Bienville Capital Management, LLC | 4.54% | Add +26.7% | 1,227,863 | $23.9M |
| Islander Capital Partners, L.P. | 9.40% | Add +97.2% | 1,226,000 | $23.9M |
| Alyeska Investment Group, L.P. | 0.07% | Add +118.7% | 1,208,979 | $23.5M |
| First Trust Advisors LP | 0.02% | Add +46.5% | 1,181,887 | $23.0M |
| Citadel Advisors | 0.02% | Add +268.1% | 1,162,379 | $22.6M |
| State Street Corp. | 0.00% | Add +9.9% | 1,155,820 | $22.5M |
| Marshall Wace, LLP | 0.02% | Add +1153.7% | 1,135,384 | $22.1M |
| Franklin Resources Inc. | 0.01% | Reduce -45.6% | 1,077,930 | $21.0M |
| Barton Investment Management | 2.56% | Add +56.7% | 1,050,052 | $20.4M |
| Janus Henderson Group PLC | 0.01% | Add +15.6% | 1,025,134 | $20.0M |
| AQR Capital Management | 0.01% | Add +1046.2% | 911,908 | $17.7M |
| Voya Investment Management LLC | 0.02% | Reduce -27.8% | 908,614 | $17.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +9.3% | 884,788 | $17.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 878,239 | $17.1M |
| Delta Global Management LP | 1.35% | Add +7.9% | 847,497 | $16.5M |
| Canada Pension Plan Investment Board | 0.01% | Add +28.2% | 757,100 | $14.7M |
| Trexquant Investment LP | 0.10% | Add +206.4% | 699,988 | $13.6M |
| Qube Research & Technologies Ltd | 0.02% | New | 601,707 | $11.7M |
| Sands Capital Management, LLC | 0.05% | Reduce -35.9% | 595,160 | $11.6M |
| Quantinno Capital Management LP | 0.02% | Reduce -0.2% | 548,047 | $10.7M |
| New York State Common Retirement Fund | 0.01% | No change | 458,135 | $8.9M |
| Integrated Wealth Concepts LLC | 0.07% | Add +554.8% | 429,820 | $8.4M |
| Morangie Management LLC | 7.60% | Add +0.2% | 424,108 | $8.3M |
| Picton Mahoney Asset Management | 0.08% | Add +1141.9% | 401,068 | $7.8M |
| Northern Trust Corp. | 0.00% | Add +6.3% | 370,072 | $7.2M |
| Twin Focus Capital Partners, LLC | 0.82% | No change | 364,666 | $7.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +12.5% | 322,708 | $6.3M |
| Burkehill Global Management, LP | 0.31% | No change | 300,000 | $5.8M |
| Goodnow Investment Group, LLC | 0.62% | Reduce -21.8% | 293,059 | $5.7M |
| Lisanti Capital Growth, LLC | 1.38% | Add +57.8% | 281,120 | $5.5M |
| Swiss National Bank | 0.00% | Add +2.6% | 259,200 | $5.0M |
| BNP Paribas Financial Markets | 0.00% | Add +1.4% | 245,857 | $4.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +5.3% | 237,428 | $4.6M |
| Night Squared LP | 0.68% | Add +74.1% | 237,217 | $4.6M |
| Ieq Capital, LLC | 0.02% | Add +75.8% | 233,345 | $4.5M |
| Mayflower Financial Advisors, LLC | 0.54% | Add +0.0% | 226,729 | $4.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Add +73.3% | 208,995 | $4.1M |
| Freestone Grove Partners LP | 0.03% | Reduce -1.2% | 206,730 | $4.0M |
| Victory Capital Management Inc. | 0.00% | Reduce -12.9% | 199,450 | $3.9M |
| UBS Group AG | 0.00% | Reduce -58.1% | 196,411 | $3.8M |
| 1832 Asset Management L.P. | 0.00% | Reduce -16.2% | 190,000 | $3.7M |
| Capital Fund Management S.A. | 0.03% | Reduce -20.6% | 184,865 | $3.6M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 179,160 | $3.5M |
| Huntington National Bank | 0.02% | No change | 166,501 | $3.2M |
| Tudor Investment Corporation | 0.02% | Add +1334.3% | 162,865 | $3.2M |
| Pathstone Holdings, LLC | 0.01% | No change | 159,456 | $3.1M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Reduce -74.3% | 157,842 | $3.1M |
| California State Teachers Retirement System | 0.00% | Add +36.6% | 155,422 | $3.0M |
| Wells Fargo & Company | 0.00% | Reduce -16.2% | 153,417 | $3.0M |
| Formula Growth Ltd. | 1.32% | New | 150,000 | $2.9M |
| Citigroup Inc. | 0.00% | Add +160.4% | 143,462 | $2.8M |
| Cynosure Group, LLC | 0.34% | No change | 141,884 | $2.8M |
| Focus Partners Wealth | 0.00% | Add +4.9% | 141,132 | $2.7M |
| Algert Global LLC | 0.04% | Add +33.3% | 139,170 | $2.7M |
| T. Rowe Price Associates Inc. | 0.00% | Add +7.0% | 134,904 | $2.6M |
| Ossiam | 0.05% | No change | 133,900 | $2.6M |
| Zweig-DiMenna Associates LLC | 0.35% | New | 129,200 | $2.5M |
| Crestwood Advisors Group, LLC | 0.04% | Reduce -0.0% | 128,927 | $2.5M |
| Neuberger Berman Group LLC | 0.00% | Reduce -72.3% | 123,466 | $2.4M |
| XTX Topco Ltd | 0.04% | New | 122,927 | $2.4M |
| Aquatic Capital Management LLC | 0.07% | Add +303.3% | 120,960 | $2.4M |
| Mariner, LLC | 0.00% | Add +46.7% | 120,093 | $2.3M |
| BW Gestao de Investimentos Ltda. | 0.10% | New | 118,802 | $2.3M |
| Envestnet Asset Management Inc. | 0.00% | Add +2.6% | 112,450 | $2.2M |
| Sei Investments Co. | 0.00% | Add +48.9% | 108,364 | $2.1M |
| FIL Ltd | 0.00% | Reduce -2.4% | 107,351 | $2.1M |
| Cerity Partners LLC | 0.00% | Add +46.0% | 106,612 | $2.1M |
| Royal Bank of Canada | 0.00% | Add +9.3% | 102,708 | $2.0M |
| Brevan Howard Capital Management LP | 0.02% | New | 101,596 | $2.0M |
"% of holder's portfolio" is KVYO's weight in each manager's 13F, not the share of Klaviyo Inc. Class A the manager owns.