Klaviyo Inc. Class AKVYO
13F holders, Q2 2025 (June 30)254holders +38
65new positions
29sold out
7famous investors
$33.58avg. 13F price*
At the end of Q2 2025, 254 institutions reported holding Klaviyo Inc. Class A (KVYO) in their 13F filings, up 38 from Q1 2025. 65 opened new positions and 29 sold out. The largest holders were Summit Partners L P ($1.0B), Vanguard Group Inc. ($360.3M) and Morgan Stanley ($149.2M). 7 famous investors held it, including Alex Sacerdote (1.7% of Whale Rock Capital Management's portfolio), Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio) and Israel Englander (0.1% of Millennium Management's portfolio).
- Company
- Klaviyo Inc. Class A
- CUSIP
- 49845K101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 65 | $345.0M |
| Exits | 29 | $79.3M |
All 13F filers, Q1 2025 → Q2 2025: 34,832,611 shares bought and 18,203,874 shares sold, net +16,628,737 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 254 holders
| Summit Partners L P | 73.01% | Reduce -20.6% | 30,827,778 | $1.0B |
| Vanguard Group Inc. | 0.01% | Add +26.7% | 10,728,178 | $360.3M |
| Morgan Stanley | 0.01% | Add +223.8% | 4,443,649 | $149.2M |
| Alliancebernstein L.P. | 0.05% | Add +10.1% | 4,424,249 | $148.6M |
| Whale Rock Capital Management | 1.72% | Reduce -14.9% | 3,684,445 | $123.7M |
| Sands Capital Alternatives, LLC | 23.24% | Add +2.1% | 3,515,065 | $118.0M |
| BlackRock, Inc. | 0.00% | Add +47.4% | 3,416,886 | $114.7M |
| Federated Hermes, Inc. | 0.18% | Add +9.0% | 2,911,007 | $97.8M |
| Capital Research Global Investors | 0.02% | No change | 2,718,867 | $91.3M |
| American Century Companies Inc. | 0.05% | Add +123.4% | 2,685,480 | $90.2M |
| Greenoaks LLC | 2.96% | Add +1.2% | 2,345,580 | $78.8M |
| Bank of New York Mellon Corp | 0.01% | Reduce -9.7% | 2,057,236 | $69.1M |
| Clearbridge Investments, LLC | 0.06% | Add +5.8% | 2,026,846 | $68.1M |
| Franklin Resources Inc. | 0.02% | Reduce -15.8% | 1,949,759 | $65.5M |
| Millennium Management | 0.06% | Add +376.0% | 1,842,047 | $61.9M |
| Goldman Sachs Group Inc. | 0.01% | Add +52.6% | 1,746,694 | $58.7M |
| Cooper Creek Partners Management LLC | 1.90% | New | 1,700,690 | $57.1M |
| JPMorgan Chase & Co. | 0.00% | Add +105.2% | 1,692,854 | $56.8M |
| Norges Bank | 0.01% | Reduce -5.6% | 1,567,276 | $52.6M |
| FMR LLC | 0.00% | Add +5207.0% | 1,534,572 | $51.5M |
| Janus Henderson Group PLC | 0.02% | Add +4406.9% | 1,464,748 | $49.2M |
| Voya Investment Management LLC | 0.05% | Reduce -8.5% | 1,423,734 | $47.8M |
| Two Sigma Advisers, LP | 0.10% | Add +60.5% | 1,420,700 | $47.7M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +21.4% | 1,386,559 | $46.6M |
| 12 West Capital Management LP | 4.66% | New | 1,313,000 | $44.1M |
| Fiera Capital Corp | 0.14% | New | 1,269,959 | $42.6M |
| Geode Capital Management, LLC | 0.00% | Add +31.3% | 1,255,809 | $42.2M |
| Renaissance Technologies | 0.05% | Add +22.5% | 1,195,044 | $40.1M |
| Lord, Abbett & Co. LLC | 0.13% | Reduce -24.3% | 1,164,659 | $39.1M |
| Two Sigma Investments, LP | 0.07% | Add +48.6% | 1,130,866 | $38.0M |
| Sands Capital Management, LLC | 0.11% | Add +14.0% | 1,109,069 | $37.2M |
| D. E. Shaw & Co. | 0.04% | Reduce -1.3% | 1,051,218 | $35.3M |
| First Trust Advisors LP | 0.03% | Add +8.0% | 988,766 | $33.2M |
| Focus Partners Wealth | 0.07% | Add +1.2% | 928,542 | $31.2M |
| Bank of America Corp. | 0.00% | Reduce -39.4% | 874,958 | $29.4M |
| Freestone Grove Partners LP | 0.21% | Add +58.3% | 836,424 | $28.1M |
| BNP Paribas Financial Markets | 0.02% | Add +125.9% | 831,834 | $27.9M |
| Integrated Wealth Concepts LLC | 0.28% | Add +455.0% | 830,451 | $27.9M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.06% | Add +156.6% | 827,900 | $27.8M |
| Royal Bank of Canada | 0.01% | Add +7825.7% | 793,207 | $26.6M |
| Zimmer Partners, LP | 0.55% | New | 719,636 | $24.2M |
| State Street Corp. | 0.00% | Add +28.9% | 713,807 | $24.0M |
| Glynn Capital Management LLC | 5.32% | Add +33.0% | 705,258 | $23.7M |
| Raymond James Financial Inc. | 0.01% | Add +28.6% | 700,975 | $23.5M |
| Marshall Wace, LLP | 0.03% | Add +81.2% | 679,675 | $22.8M |
| Citadel Advisors | 0.02% | Reduce -31.8% | 635,919 | $21.4M |
| ArrowMark Colorado Holdings LLC | 0.37% | New | 611,004 | $20.5M |
| WCM Investment Management, LLC | 0.05% | Add +58.7% | 619,165 | $20.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +35.3% | 608,947 | $20.4M |
| Cubist Systematic Strategies, LLC | 0.22% | Add +282.6% | 605,898 | $20.3M |
| Qube Research & Technologies Ltd | 0.03% | Add +47.2% | 570,595 | $19.2M |
| Delta Global Management LP | 1.24% | New | 553,360 | $18.6M |
| UBS Group AG | 0.00% | Add +161.8% | 525,130 | $17.6M |
| Ameriprise Financial Inc. | 0.00% | Reduce -44.0% | 508,577 | $17.1M |
| Quantinno Capital Management LP | 0.07% | New | 501,149 | $16.8M |
| Ghisallo Capital Management LLC | 0.45% | New | 500,000 | $16.8M |
| Morangie Management LLC | 14.07% | Reduce -51.2% | 482,875 | $16.2M |
| Granahan Investment Management, LLC | 0.66% | New | 479,748 | $16.1M |
| Twin Focus Capital Partners, LLC | 2.01% | New | 427,136 | $14.3M |
| Voloridge Investment Management, LLC | 0.05% | Reduce -53.9% | 416,606 | $14.0M |
| Tudor Investment Corporation | 0.10% | Add +1434.4% | 403,219 | $13.5M |
| Victory Capital Management Inc. | 0.01% | Add +4637.5% | 369,857 | $12.4M |
| Jump Financial, LLC | 0.16% | Add +243.2% | 368,457 | $12.4M |
| Trexquant Investment LP | 0.14% | Reduce -2.4% | 362,794 | $12.2M |
| Walleye Capital LLC | 0.13% | Add +768.8% | 362,704 | $12.2M |
| New York State Common Retirement Fund | 0.01% | Add +1979.9% | 322,368 | $10.8M |
| Needham Investment Management LLC | 0.82% | Reduce -1.3% | 305,000 | $10.2M |
| Longaeva Partners L.P. | 2.48% | New | 301,503 | $10.1M |
| Fortress Investment Group LLC | 1.45% | New | 300,000 | $10.1M |
| Burkehill Global Management, LP | 0.74% | New | 300,000 | $10.1M |
| Ararat Capital Management LP | 4.31% | New | 282,838 | $9.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +90.7% | 282,559 | $9.5M |
| Quantbot Technologies LP | 0.22% | Add +111.6% | 259,094 | $8.7M |
| Northern Trust Corp. | 0.00% | Add +24.8% | 248,499 | $8.3M |
| Polar Capital Holdings Plc | 0.04% | Reduce -5.5% | 246,812 | $8.3M |
| Blair William & Co. | 0.02% | Add +6.1% | 245,255 | $8.2M |
| Dimensional Fund Advisors LP | 0.00% | Add +20.6% | 240,595 | $8.1M |
| Mayflower Financial Advisors, LLC | 1.09% | Reduce -46.0% | 233,155 | $7.8M |
| Engineers Gate Manager LP | 0.10% | Add +26.5% | 232,074 | $7.8M |
| Swiss National Bank | 0.00% | Add +29.9% | 181,600 | $6.1M |
| Pathstone Holdings, LLC | 0.02% | Reduce -4.9% | 173,073 | $5.8M |
| Verition Fund Management LLC | 0.03% | Add +58.4% | 167,795 | $5.6M |
| Capital Fund Management S.A. | 0.06% | Add +206.0% | 166,452 | $5.6M |
| Goodnow Investment Group, LLC | 0.51% | New | 161,400 | $5.4M |
| Night Squared LP | 2.15% | Reduce -31.6% | 143,839 | $4.8M |
| Stanley-Laman Group, Ltd. | 0.71% | Reduce -10.6% | 143,230 | $4.8M |
| Cynosure Group, LLC | 0.54% | No change | 141,884 | $4.8M |
| Wells Fargo & Company | 0.00% | Add +1691.7% | 137,999 | $4.6M |
| Lisanti Capital Growth, LLC | 1.23% | Add +20.1% | 132,405 | $4.4M |
| Liontrust Investment Partners LLP | 0.06% | Reduce -6.3% | 129,866 | $4.4M |
| Crestwood Advisors Group, LLC | 0.08% | Reduce -0.0% | 128,918 | $4.3M |
| Susquehanna Portfolio Strategies, LLC | 0.09% | New | 127,414 | $4.3M |
| Balyasny Asset Management L.P. | 0.01% | Reduce -5.8% | 116,859 | $3.9M |
| Osterweis Capital Management Inc. | 0.24% | Reduce -64.3% | 114,723 | $3.9M |
| 1832 Asset Management L.P. | 0.01% | Reduce -95.0% | 112,700 | $3.8M |
| Snowden Capital Advisors LLC | 0.11% | Add +11.4% | 110,334 | $3.7M |
| Envestnet Asset Management Inc. | 0.00% | New | 105,849 | $3.6M |
| Ieq Capital, LLC | 0.02% | Add +99.2% | 105,712 | $3.5M |
| Jane Street Group, LLC | 0.01% | Reduce -12.8% | 105,459 | $3.5M |
| Algert Global LLC | 0.07% | Add +98.1% | 105,150 | $3.5M |
"% of holder's portfolio" is KVYO's weight in each manager's 13F, not the share of Klaviyo Inc. Class A the manager owns.