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

0100200300 Q1 2024: 130Q1 2024Q2 2024: 131Q2 2024Q3 2024: 156Q3 2024Q4 2024: 183Q4 2024Q1 2025: 216Q1 2025Q2 2025: 254Q2 2025Q3 2025: 276Q3 2025Q4 2025: 261Q4 2025Q1 2026: 266Q1 2026Q2 2026: 277Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions62$236.6M
Exits37$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
Legal & General Group Plc 0.00% Add +10.0% 102,535 $2.8M
Envestnet Asset Management Inc. 0.00% Reduce -3.5% 102,173 $2.8M
Liontrust Investment Partners LLP 0.04% Reduce -21.6% 101,825 $2.8M
Deutsche Bank AG 0.00% Add +4.1% 100,712 $2.8M
LMR Partners LLP 0.05% New 100,000 $2.8M
Osterweis Capital Management Inc. 0.16% Reduce -14.1% 98,528 $2.7M
Squarepoint Ops LLC 0.01% Add +1.2% 95,394 $2.6M
Boothbay Fund Management, LLC 0.07% New 93,055 $2.6M
California State Teachers Retirement System 0.00% Add +8.1% 89,830 $2.5M
Public Sector Pension Investment Board 0.01% New 86,800 $2.4M
Diker Management LLC 1.79% No change 80,042 $2.2M
Huntington National Bank 0.02% New 76,701 $2.1M
Mariner, LLC 0.00% Add +3.1% 76,610 $2.1M
Cerity Partners LLC 0.00% Reduce -0.0% 72,539 $2.0M
PNC Financial Services Group, Inc. 0.00% Reduce -14.1% 71,984 $2.0M
Tudor Investment Corporation 0.01% Reduce -83.2% 67,725 $1.9M
State of New Jersey Common Pension Fund D 0.01% Add +19.0% 66,512 $1.8M
AQR Capital Management 0.00% Add +6.8% 65,058 $1.8M
Twinbeech Capital LP 0.07% New 65,029 $1.8M
Raymond James Financial Inc. 0.00% Reduce -90.9% 63,579 $1.8M
SG Americas Securities, LLC 0.01% New 63,276 $1.8M
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna 0.68% Reduce -12.8% 61,600 $1.7M
Fox Run Management, L.L.C. 0.26% Add +140.7% 61,101 $1.7M
Assetmark, Inc. 0.00% Reduce -2.8% 60,802 $1.7M
B. Metzler seel. Sohn & Co. AG 0.01% Reduce -38.0% 54,949 $1.5M
Oak Ridge Investments LLC 0.09% Reduce -0.7% 48,566 $1.3M
Centiva Capital, LP 0.12% Add +77.5% 46,836 $1.3M
PDT Partners, LLC 0.08% Reduce -40.6% 46,653 $1.3M
Caption Management, LLC 0.08% Add +231.9% 46,338 $1.3M
Aquatic Capital Management LLC 0.02% New 45,942 $1.3M
Barclays PLC 0.00% Add +85.9% 45,833 $1.3M
Voleon Capital Management LP 0.03% New 45,831 $1.3M
Pier 88 Investment Partners LLC 1.40% Add +11.7% 45,760 $1.3M
Manufacturers Life Insurance Company, The 0.00% Add +240.7% 44,114 $1.2M
M&G PLC 0.01% New 42,910 $1.2M
Y-Intercept (Hong Kong) Ltd 0.03% Add +355.5% 40,793 $1.1M
Monashee Investment Management LLC 0.57% New 40,000 $1.1M
Citigroup Inc. 0.00% Add +24.3% 39,019 $1.1M
Orion Porfolio Solutions, LLC 0.01% Add +3.3% 38,325 $1.1M
HighTower Advisors, LLC 0.00% Add +9.4% 38,141 $1.1M
Cabot Wealth Management Inc. 0.12% Reduce -55.6% 37,936 $1.1M
Susquehanna International Group, LLP 0.00% New 36,397 $1.0M
Entropy Technologies, LP 0.07% Add +64.0% 35,849 $993K
VIRGINIA RETIREMENT SYSTEMS ET Al 0.01% Add +11.9% 34,800 $964K
Magnetar Financial LLC 0.01% Add +201.1% 34,164 $946K
Illinois Municipal Retirement Fund 0.01% Add +51.9% 33,761 $935K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +33.1% 33,650 $932K
Prelude Capital Management, LLC 0.07% Add +48.5% 30,618 $848K
Arizona State Retirement System 0.00% Add +9.3% 30,329 $840K
Wilmington Savings Fund Society, FSB 0.02% No change 29,800 $825K
Gryphon Financial Partners LLC 0.09% No change 29,088 $805K
Miramar Capital, LLC 0.18% No change 28,572 $791K
Dark Forest Capital Management LP 0.03% New 28,562 $791K
BloombergSen Inc. 0.07% New 28,031 $776K
OMERS ADMINISTRATION Corp 0.01% New 27,500 $761K
Counterpoint Mutual Funds LLC 0.06% Add +25.2% 27,241 $754K
Cetera Investment Advisers 0.00% Add +21.7% 26,234 $726K
M & L Capital Management Ltd 0.14% New 25,700 $712K
Jennison Associates LLC 0.00% Reduce -12.5% 25,666 $711K
Scientech Research LLC 0.25% New 25,412 $704K
Sei Investments Co. 0.00% Reduce -57.5% 25,352 $702K
Moody National Bank Trust Division 0.06% Reduce -29.5% 24,806 $687K
Picton Mahoney Asset Management 0.01% Add +106.7% 24,489 $678K
Cantor Fitzgerald, L. P. 0.01% New 23,000 $637K
Capstone Investment Advisors, LLC 0.01% Add +111.3% 22,992 $637K
Fort Washington Investment Advisors Inc. 0.00% No change 21,926 $607K
KLP Kapitalforvaltning As 0.00% Add +9.1% 21,700 $601K
Stifel Financial Corp. 0.00% Reduce -16.6% 21,404 $593K
AlphaQuest LLC 0.03% Add +413.8% 19,144 $530K
Jefferies Financial Group Inc. 0.00% Add +61.4% 18,796 $520K
Creative Planning 0.00% Add +1.3% 18,542 $513K
Elo Mutual Pension Insurance Co 0.01% Reduce -26.5% 18,429 $510K
XTX Topco Ltd 0.03% Reduce -77.1% 17,855 $494K
Nuveen, LLC 0.00% New 17,519 $485K
Brandywine Managers, LLC 0.46% Add +33.3% 17,384 $481K
Sciencast Management LP 0.09% Add +39.5% 17,320 $480K
Invesco Ltd. 0.00% Add +37.4% 17,279 $478K
Walleye Capital LLC 0.00% Reduce -95.5% 16,228 $449K
Eventide Asset Management, LLC 0.01% Reduce -13.6% 15,561 $445K
Snowden Capital Advisors LLC 0.01% Reduce -85.4% 16,067 $445K
Par Capital Management Inc. 0.01% New 16,000 $443K
Teacher Retirement System of Texas 0.00% Reduce -29.8% 15,496 $429K
Dynamic Technology Lab Private Ltd 0.07% New 15,493 $429K
Aptus Capital Advisors, LLC 0.00% New 15,153 $420K
Formula Growth Ltd. 0.15% New 15,000 $415K
Handelsbanken Fonder AB 0.00% No change 14,900 $413K
Canal Capital Management, LLC 0.06% New 14,123 $391K
PEAK6 LLC 0.01% New 13,857 $384K
Pictet Asset Management Holding SA 0.00% Add +8.4% 13,786 $382K
Legato Capital Management LLC 0.04% Reduce -65.7% 13,084 $362K
Clifford Group, LLC 0.28% Reduce -7.7% 13,073 $362K
Dakota Wealth Management 0.01% Reduce -0.4% 12,895 $357K
LPL Financial LLC 0.00% Add +74.7% 12,630 $350K
Wolverine Trading, LLC 0.01% New 10,605 $334K
Aigen Investment Management, LP 0.05% Reduce -69.0% 11,890 $329K
Natixis Advisors, LLC 0.00% Add +3.4% 11,397 $316K
Oppenheimer Asset Management Inc. 0.00% Reduce -2.1% 11,320 $313K
Yarbrough Capital, LLC 0.01% New 11,270 $312K
Simplex Trading, LLC 0.01% Add +666.6% 11,147 $308K
Donor Advised Charitable Giving, Inc. 0.01% New 10,600 $294K
Perbak Capital Partners LLP 0.05% New 10,394 $288K
Vident Advisory, LLC 0.00% Add +54.6% 10,288 $285K
Ballentine Partners, LLC 0.00% No change 10,262 $284K
State of Wisconsin Investment Board 0.00% Add +7.2% 10,113 $280K
Sandia Investment Management LP 0.84% Reduce -33.3% 10,000 $277K
Brevan Howard Capital Management LP 0.00% New 9,979 $276K
PharVision Advisers, LLC 0.15% New 9,516 $263K
Vanguard Personalized Indexing Management, LLC 0.00% Add +5.3% 9,312 $258K
Public Employees Retirement Association of Colorado 0.00% New 8,990 $249K
HSBC Holdings PLC 0.00% Reduce -79.6% 8,144 $235K
Bridgefront Capital, LLC 0.07% New 8,405 $233K
Sender Co & Partners, Inc. 0.08% New 7,772 $215K
Wealthspire Advisors, LLC 0.00% No change 7,285 $202K
Federation des caisses Desjardins du Quebec 0.00% New 6,670 $185K
Acadian Asset Management LLC 0.00% Reduce -93.2% 6,587 $182K
US Bancorp \de 0.00% Add +50.5% 6,485 $180K
Tower Research Capital LLC (TRC) 0.00% Add +19.9% 5,849 $162K
IFP Advisors, Inc 0.00% Add +5.7% 5,233 $145K
SBI Securities Co., Ltd. 0.00% Add +466.5% 4,906 $136K
Ensign Peak Advisors, Inc 0.00% No change 4,680 $130K
Osaic Holdings, Inc. 0.00% Add +132.7% 3,931 $112K
Bank Julius Baer & Co. Ltd, Zurich 0.00% Add +6.0% 4,042 $112K
Russell Investments Group, Ltd. 0.00% Reduce -78.3% 3,710 $103K
Cwm, LLC 0.00% Reduce -0.3% 3,549 $98K
Advisors Asset Management, Inc. 0.00% Add +6.2% 3,220 $89K
KBC Group NV 0.00% No change 2,532 $70K
RiverPark Advisors, LLC 0.05% New 2,474 $69K
Parallel Advisors, LLC 0.00% Reduce -6.9% 2,426 $67K
Point72 Hong Kong Ltd 0.00% Add +92.9% 2,398 $66K
Rhumbline Advisers 0.00% No change 2,151 $60K
Salem Investment Counselors Inc. 0.00% No change 2,150 $60K
Comerica Bank 0.00% Add +8.6% 2,068 $57K
Quarry LP 0.01% New 1,583 $44K
FNY Investment Advisers, LLC 0.01% New 1,228 $34K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +8.4% 1,007 $28K
Caitong International Asset Management Co., Ltd 0.02% Add +1650.9% 963 $27K
State of Wyoming 0.00% Reduce -84.2% 860 $24K
Arax Advisory Partners 0.00% New 852 $24K
Rakuten Securities, Inc. 0.01% Add +600.9% 764 $21K
Jones Financial Companies LLLP 0.00% Add +94.5% 605 $19K
Strengthening Families & Communities, LLC 0.00% No change 680 $19K
Signaturefd, LLC 0.00% Add +519.0% 588 $16K
Bangor Savings Bank 0.00% New 500 $14K
Northwestern Mutual Wealth Management Co. 0.00% Add +767.3% 451 $12K
Lanark Financial, Inc. 0.00% No change 373 $10K
First Horizon Corp. 0.00% — 333 $9K
Quadrant Capital Group LLC 0.00% New 271 $8K
EverSource Wealth Advisors, LLC 0.00% Add +13.9% 237 $7K
Steward Partners Investment Advisory, LLC 0.00% No change 225 $6K
Principal Securities, Inc. 0.00% No change 209 $6K
MCF Advisors LLC 0.00% New 205 $6K
Washington Trust Advisors, Inc. 0.00% New 198 $5K
Allworth Financial LP 0.00% Add +275.0% 195 $5K
Measured Wealth Private Client Group, LLC 0.00% New 145 $4K
CI Investments Inc. 0.00% Add +35.8% 148 $4K
Activest Wealth Management 0.00% New 118 $3K
Rockefeller Capital Management L.P. 0.00% New 117 $3K
Farther Finance Advisors, LLC 0.00% Add +1100.0% 108 $3K
Essential Partners LLC 0.00% Add +3.5% 89 $2K
Cape Investment Advisory, Inc. 0.00% No change 87 $2K
Whittier Trust Co. of Nevada Inc. 0.00% No change 83 $2K
Bellevue Asset Management, LLC 0.00% New 74 $2K
Marquette Asset Management, LLC 0.00% New 63 $2K
Optiver Holding B.V. 0.00% New 38 $1K
Park Place Capital Corp 0.00% No change 37 $1K
Bare Financial Services, Inc 0.00% Add +100.0% 30 $831
Harbour Investments, Inc. 0.00% New 29 $803
CVA Family Office, LLC 0.00% No change 20 $554
Advisory Services Network, LLC 0.00% New 19 $526
GAMMA Investing LLC 0.00% Reduce -36.7% 19 $526
Bell Investment Advisors, Inc 0.00% No change 17 $471
MAI Capital Management 0.00% No change 16 $444
Fairscale Capital, LLC 0.00% No change 15 $415
Kilter Group LLC 0.00% Reduce -78.6% 9 $250
Aster Capital Management (DIFC) Ltd 0.00% New 1 $28
Cloud Capital Management, LLC 0.00% New 5 $0

"% of holder's portfolio" is KVYO's weight in each manager's 13F, not the share of Klaviyo Inc. Class A the manager owns.