Klaviyo Inc. Class AKVYO
13F holders, Q3 2025 (September 30)276holders +22
62new positions
37sold out
8famous investors
$27.70avg. 13F price*
At the end of Q3 2025, 276 institutions reported holding Klaviyo Inc. Class A (KVYO) in their 13F filings, up 22 from Q2 2025. 62 opened new positions and 37 sold out. The largest holders were Summit Partners L P ($522.0M), Vanguard Group Inc. ($354.1M) and Morgan Stanley ($296.1M). 8 famous investors held it, including Alex Sacerdote (1.0% of Whale Rock Capital Management's portfolio), Steve Cohen (0.3% of Point72 Asset Management's portfolio) and Ken Griffin (0.1% of Citadel Advisors's portfolio).
- Company
- Klaviyo Inc. Class A
- CUSIP
- 49845K101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 62 | $236.6M |
| Exits | 37 | $100.1M |
All 13F filers, Q2 2025 → Q3 2025: 33,984,790 shares bought and 25,106,009 shares sold, net +8,878,781 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 276 holders
| Summit Partners L P | 56.48% | Reduce -38.8% | 18,852,778 | $522.0M |
| Vanguard Group Inc. | 0.01% | Add +19.2% | 12,787,728 | $354.1M |
| Morgan Stanley | 0.02% | Add +140.6% | 10,691,930 | $296.1M |
| FMR LLC | 0.01% | Add +437.0% | 8,240,031 | $228.2M |
| Point72 Asset Management | 0.34% | New | 5,235,229 | $145.0M |
| Alliancebernstein L.P. | 0.04% | Add +8.6% | 4,806,677 | $133.1M |
| BlackRock, Inc. | 0.00% | Add +7.0% | 3,656,889 | $101.3M |
| Sands Capital Alternatives, LLC | 21.33% | No change | 3,515,065 | $97.3M |
| Whale Rock Capital Management | 1.00% | Reduce -17.0% | 3,056,967 | $84.6M |
| Citadel Advisors | 0.07% | Add +370.6% | 2,992,498 | $82.9M |
| Federated Hermes, Inc. | 0.14% | Reduce -0.0% | 2,910,192 | $80.6M |
| Capital Research Global Investors | 0.01% | Reduce -4.6% | 2,593,143 | $71.8M |
| Bank of New York Mellon Corp | 0.01% | Add +22.5% | 2,519,626 | $69.8M |
| Greenoaks LLC | 2.09% | Reduce -1.2% | 2,316,796 | $64.2M |
| American Century Companies Inc. | 0.03% | Reduce -21.1% | 2,118,977 | $58.7M |
| Clearbridge Investments, LLC | 0.04% | Reduce -2.2% | 1,981,598 | $54.9M |
| Franklin Resources Inc. | 0.01% | Reduce -1.4% | 1,922,325 | $53.2M |
| JPMorgan Chase & Co. | 0.00% | Add +12.7% | 1,907,831 | $52.8M |
| 12 West Capital Management LP | 5.28% | Add +40.0% | 1,838,000 | $50.9M |
| Millennium Management | 0.04% | Reduce -3.3% | 1,781,054 | $49.3M |
| Two Sigma Investments, LP | 0.08% | Add +49.6% | 1,692,181 | $46.9M |
| Renaissance Technologies | 0.06% | Add +40.9% | 1,683,344 | $46.6M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -8.8% | 1,592,076 | $44.1M |
| Two Sigma Advisers, LP | 0.09% | Add +9.5% | 1,556,300 | $43.1M |
| Geode Capital Management, LLC | 0.00% | Add +17.6% | 1,477,386 | $40.9M |
| Janus Henderson Group PLC | 0.02% | Reduce -0.7% | 1,454,661 | $40.3M |
| Voya Investment Management LLC | 0.04% | Reduce -0.4% | 1,418,457 | $39.3M |
| Fiera Capital Corp | 0.11% | Reduce -2.2% | 1,241,946 | $34.4M |
| Freestone Grove Partners LP | 0.23% | Add +32.9% | 1,111,424 | $30.8M |
| Sands Capital Management, LLC | 0.08% | Reduce -0.3% | 1,105,559 | $30.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.05% | Add +26.9% | 1,050,543 | $29.1M |
| Cooper Creek Partners Management LLC | 1.05% | Reduce -40.4% | 1,012,849 | $28.0M |
| First Trust Advisors LP | 0.02% | Reduce -6.3% | 926,324 | $25.6M |
| Royal Bank of Canada | 0.00% | Add +16.2% | 921,633 | $25.5M |
| Schonfeld Strategic Advisors LLC | 0.18% | Add +1878.0% | 913,261 | $25.3M |
| ArrowMark Colorado Holdings LLC | 0.46% | Add +47.4% | 900,520 | $24.9M |
| State Street Corp. | 0.00% | Add +14.5% | 817,167 | $22.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +19.9% | 729,889 | $20.2M |
| AXA Investment Managers S.A. | 0.05% | — | 652,018 | $18.1M |
| Qube Research & Technologies Ltd | 0.03% | Add +12.4% | 641,397 | $17.8M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Reduce -55.0% | 623,692 | $17.3M |
| Integrated Wealth Concepts LLC | 0.15% | Reduce -28.0% | 598,174 | $16.6M |
| Bank of America Corp. | 0.00% | Reduce -32.6% | 589,690 | $16.3M |
| Balyasny Asset Management L.P. | 0.03% | Add +393.4% | 576,571 | $16.0M |
| D. E. Shaw & Co. | 0.01% | Reduce -49.7% | 528,575 | $14.6M |
| Marshall Wace, LLP | 0.02% | Reduce -24.2% | 515,418 | $14.3M |
| Delta Global Management LP | 1.04% | Reduce -7.0% | 514,364 | $14.2M |
| Ameriprise Financial Inc. | 0.00% | Add +0.2% | 509,743 | $14.1M |
| Quantinno Capital Management LP | 0.04% | Reduce -0.0% | 501,060 | $13.9M |
| Morangie Management LLC | 11.22% | Reduce -2.7% | 469,756 | $13.0M |
| Lord, Abbett & Co. LLC | 0.04% | Reduce -59.7% | 469,691 | $13.0M |
| Glynn Capital Management LLC | 4.00% | Reduce -35.2% | 457,281 | $12.7M |
| Canada Pension Plan Investment Board | 0.01% | Add +1393.4% | 455,500 | $12.6M |
| Trexquant Investment LP | 0.13% | Add +25.3% | 454,397 | $12.6M |
| WCM Investment Management, LLC | 0.03% | Reduce -37.1% | 389,303 | $12.3M |
| Victory Capital Management Inc. | 0.01% | Add +17.3% | 433,950 | $12.0M |
| UBS Group AG | 0.00% | Reduce -20.2% | 419,284 | $11.6M |
| J. Goldman & Co LP | 0.43% | New | 413,029 | $11.4M |
| Twin Focus Capital Partners, LLC | 1.45% | Reduce -3.4% | 412,836 | $11.4M |
| Engineers Gate Manager LP | 0.13% | Add +73.7% | 403,024 | $11.2M |
| Barton Investment Management | 1.11% | New | 394,989 | $10.9M |
| Susquehanna Portfolio Strategies, LLC | 0.17% | Add +205.4% | 389,146 | $10.8M |
| Goodnow Investment Group, LLC | 1.02% | Add +138.1% | 384,350 | $10.6M |
| New York State Common Retirement Fund | 0.01% | Add +8.3% | 349,135 | $9.7M |
| Granahan Investment Management, LLC | 0.35% | Reduce -35.2% | 310,879 | $8.6M |
| Needham Investment Management LLC | 0.59% | No change | 305,000 | $8.4M |
| BNP Paribas Financial Markets | 0.01% | Reduce -63.5% | 303,396 | $8.4M |
| Burkehill Global Management, LP | 0.49% | No change | 300,000 | $8.3M |
| Algert Global LLC | 0.13% | Add +175.4% | 289,547 | $8.0M |
| Cinctive Capital Management LP | 0.40% | New | 285,473 | $7.9M |
| Northern Trust Corp. | 0.00% | Add +14.1% | 283,613 | $7.9M |
| Bienville Capital Management, LLC | 1.47% | New | 279,300 | $7.7M |
| SummitTX Capital, L.P. | 0.30% | Add +202.9% | 264,169 | $7.3M |
| Cubist Systematic Strategies, LLC | 0.10% | Reduce -58.4% | 252,313 | $7.0M |
| Scopia Capital Management LP | 0.96% | New | 247,564 | $6.9M |
| Blair William & Co. | 0.02% | Reduce -2.6% | 238,776 | $6.6M |
| Jump Financial, LLC | 0.09% | Reduce -36.0% | 235,878 | $6.5M |
| Mayflower Financial Advisors, LLC | 0.81% | No change | 233,155 | $6.5M |
| Capital Fund Management S.A. | 0.06% | Add +36.1% | 226,569 | $6.3M |
| Ararat Capital Management LP | 3.28% | Reduce -21.8% | 221,107 | $6.1M |
| Quantbot Technologies LP | 0.16% | Reduce -20.4% | 206,170 | $5.7M |
| Next Century Growth Investors LLC | 0.40% | New | 199,397 | $5.5M |
| Swiss National Bank | 0.00% | Add +9.4% | 198,700 | $5.5M |
| Ieq Capital, LLC | 0.02% | Add +77.2% | 187,270 | $5.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -35.4% | 182,618 | $5.1M |
| Pathstone Holdings, LLC | 0.02% | Add +0.5% | 173,931 | $4.8M |
| Night Squared LP | 1.67% | Add +16.3% | 167,298 | $4.6M |
| Longaeva Partners L.P. | 0.92% | Reduce -49.2% | 153,221 | $4.2M |
| Verition Fund Management LLC | 0.03% | Reduce -9.3% | 152,231 | $4.2M |
| Seven Grand Managers, LLC | 0.34% | New | 150,000 | $4.2M |
| Cynosure Group, LLC | 0.43% | No change | 141,884 | $3.9M |
| Paloma Partners Management Co | 1.77% | New | 140,238 | $3.9M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -44.0% | 134,839 | $3.7M |
| Focus Partners Wealth | 0.01% | Reduce -85.5% | 134,168 | $3.7M |
| Ossiam | 0.05% | New | 133,900 | $3.7M |
| Wells Fargo & Company | 0.00% | Reduce -6.6% | 128,948 | $3.6M |
| Crestwood Advisors Group, LLC | 0.06% | Add +0.0% | 128,934 | $3.6M |
| T. Rowe Price Associates Inc. | 0.00% | Add +38.9% | 116,711 | $3.2M |
| Renaissance Capital LLC | 1.63% | Add +16.5% | 104,955 | $2.9M |
| Nicholas Investment Partners, LP | 0.25% | Add +1.7% | 103,619 | $2.9M |
"% of holder's portfolio" is KVYO's weight in each manager's 13F, not the share of Klaviyo Inc. Class A the manager owns.