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Equibles

KVYO

Klaviyo, Inc.

Company with tickers: KVYO

CIK
1835830
CUSIP
49845K101
Shares Outstanding
140,897,018
13F Activity (30d)
96 filings 92 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 210
Total Value: $1,057,485,144
Total Shares: 54,341,483
Showing 1–100 of 224 holdings by value · page 1 of 3

Institutional Ownership Trend

12 quarters

Holder Concentration

Across 210 13F filers · Δ vs Dec 31, 2025
Top Holder
12.6%
Sep 2023 → Mar 2026 · range 12.6% – 65.3%
−15.4 pts
Top 5
41.3%
Sep 2023 → Mar 2026 · range 38.9% – 74.6%
−4.4 pts
Top 10
60.0%
Sep 2023 → Mar 2026 · range 50.8% – 83.8%
−0.0 pts
HHI
506
Sep 2023 → Mar 2026 · range 430 – 4,314
Broadly held−434

Quarterly Activity

vs Dec 31, 2025
New
50
Increased
91
Decreased
37
Sold Out
59
Unchanged
32
Holder count: -9
Institutional value: -77.6%
Shares held: -62.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid Whale Rock Capital Management LLC +3,767,317 6,825,206
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +1,342,958 2,196,658
Large MARSHALL WACE, LLP +1,044,824 1,135,384
Mega TWO SIGMA INVESTMENTS, LP +667,879 2,891,890
Small Islander Capital Partners, L.P. +604,262 1,226,000

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mid Ancora Advisors LLC −1,288,455 42,300
Large Walleye Capital LLC −621,205 102,069
Mid Engineers Gate Manager LP −550,038 19,960
Large Jefferies Financial Group Inc. −440,695 14,305
Large VOYA INVESTMENT MANAGEMENT LLC −349,706 908,614

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 6,162,720 $119,926,531
Mega VANGUARD FIDUCIARY TRUST CO 878,239 $17,090,530
Small FORMULA GROWTH LTD 150,000 $2,919,000
Small Zweig-DiMenna Associates LLC 129,200 $2,514,232
Mid XTX Topco Ltd 122,927 $2,392,159

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
— Bialecki Andrew 78,163,529 $2,537,969,786
Small SUMMIT PARTNERS L P 18,852,778 $612,149,701
Large TWO SIGMA ADVISERS, LP 1,782,500 $57,877,775
Large SANDS CAPITAL MANAGEMENT, LLC 928,755 $30,156,674
Small Shannon River Fund Management LLC 729,703 $23,693,456
Filter: New 50 Increased 91 Reduced 37 Sold out 59 Unchanged 32
Showing 100 of 224
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid Whale Rock Capital Management LLC $132,818,508 12.56% 6,825,206
Mega VANGUARD CAPITAL MANAGEMENT LLC $119,926,531 11.34% 6,162,720
Small Sands Capital Alternatives, LLC $71,022,733 6.72% 3,649,678
Mega AMERICAN CENTURY COMPANIES INC $56,887,320 5.38% 2,923,295
Mega TWO SIGMA INVESTMENTS, LP $56,276,179 5.32% 2,891,890
Large Fiera Capital Corp $46,689,598 4.42% 2,399,260
Mid Greenoaks Capital Partners LLC $45,084,850 4.26% 2,316,796
Mega GEODE CAPITAL MANAGEMENT, LLC $34,513,282 3.26% 1,773,550
Mega Clearbridge Investments, LLC $28,672,967 2.71% 1,473,431
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $28,434,134 2.69% 1,461,158
Small Bienville Capital Management, LLC $23,894,213 2.26% 1,227,863
Small Islander Capital Partners, L.P. $23,857,960 2.26% 1,226,000
Mega FIRST TRUST ADVISORS LP $22,999,521 2.17% 1,181,887
Mega STATE STREET CORP $22,492,257 2.13% 1,155,820
Large MARSHALL WACE, LLP $22,094,571 2.09% 1,135,384
Small Barton Investment Management $20,434,011 1.93% 1,050,052
Large VOYA INVESTMENT MANAGEMENT LLC $17,681,628 1.67% 908,614
Mega VANGUARD FIDUCIARY TRUST CO Bank $17,090,530 1.62% 878,239
Mid Delta Global Management LP $16,492,291 1.56% 847,497
Large Trexquant Investment LP $13,621,766 1.29% 699,988
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $10,876,194 1.03% 558,900
Large Quantinno Capital Management LP $10,664,994 1.01% 548,047
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $8,915,307 0.84% 458,135
Mid Integrated Wealth Concepts LLC $8,364,297 0.79% 429,820
Micro Morangie Management LLC $8,253,141 0.78% 424,108
Mega NORTHERN TRUST CORP Bank $7,201,599 0.68% 370,072
Small TWIN FOCUS CAPITAL PARTNERS, LLC $7,096,400 0.67% 364,666
Mid Burkehill Global Management, LP $5,838,000 0.55% 300,000
Small GOODNOW INVESTMENT GROUP, LLC $5,702,928 0.54% 293,059
Small Lisanti Capital Growth, LLC $5,470,595 0.52% 281,120
Mega Swiss National Bank Bank $5,044,032 0.48% 259,200
Mega BNP PARIBAS ARBITRAGE, SA $4,784,377 0.45% 245,857
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $4,620,346 0.44% 237,428
Small Night Squared LP $4,616,242 0.44% 237,217
Large IEQ CAPITAL, LLC $4,540,893 0.43% 233,345
Small Mayflower Financial Advisors, LLC $4,412,146 0.42% 226,729
Large Freestone Grove Partners LP $4,022,965 0.38% 206,730
Large CAPITAL FUND MANAGEMENT S.A. $3,597,472 0.34% 184,865
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $3,436,636 0.32% 176,600
Large HUNTINGTON NATIONAL BANK Bank $3,240,109 0.31% 166,501
Large TUDOR INVESTMENT CORP ET AL $3,169,352 0.30% 162,865
Large Pathstone Holdings, LLC $3,103,013 0.29% 159,456
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $3,024,512 0.29% 155,422
Small FORMULA GROWTH LTD $2,919,000 0.28% 150,000
Mega CITIGROUP INC $2,791,769 0.26% 143,462
Small Cynosure Group, LLC $2,761,062 0.26% 141,884
Large Focus Partners Wealth $2,746,428 0.26% 141,132
Mid ALGERT GLOBAL LLC $2,708,248 0.26% 139,170
Mid OSSIAM $2,605,694 0.25% 133,900
Small Zweig-DiMenna Associates LLC $2,514,232 0.24% 129,200
Mid Crestwood Advisors Group, LLC $2,508,919 0.24% 128,927
Mega NEUBERGER BERMAN GROUP LLC $2,402,648 0.23% 123,466
Mid XTX Topco Ltd $2,392,159 0.23% 122,927
Mid Aquatic Capital Management LLC $2,353,881 0.22% 120,960
Large Mariner, LLC $2,337,009 0.22% 120,093
Mid BW Gestao de Investimentos Ltda. $2,311,886 0.22% 118,802
Mega ENVESTNET ASSET MANAGEMENT INC $2,188,277 0.21% 112,450
Large SEI INVESTMENTS CO $2,108,762 0.20% 108,364
Large Cerity Partners LLC $2,074,667 0.20% 106,612
Mid Brevan Howard Capital Management LP $1,977,058 0.19% 101,596
Mega Legal & General Group Plc $1,875,729 0.18% 96,389
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $1,752,197 0.17% 90,041
Mega VANGUARD ASSET MANAGEMENT, Ltd $1,717,850 0.16% 88,276
Large Holocene Advisors, LP $1,675,233 0.16% 86,086
Mid Legato Capital Management LLC $1,649,916 0.16% 84,785
Large Squarepoint Ops LLC $1,493,574 0.14% 76,751
Large Man Group plc $1,491,628 0.14% 76,651
Large HRT FINANCIAL LP $1,412,776 0.13% 72,599
Mega PNC FINANCIAL SERVICES GROUP, INC. $1,371,929 0.13% 70,500
Small Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna $1,321,334 0.12% 67,900
Small Renaissance Capital LLC $1,265,658 0.12% 65,039
Mega D. E. Shaw & Co., Inc. $1,255,694 0.12% 64,527
Large FIFTH THIRD BANCORP Bank $1,249,721 0.12% 64,220
Small Dynamic Technology Lab Private Ltd $1,240,088 0.12% 63,725
Mid BloombergSen Inc. $1,198,638 0.11% 61,595
Large ASSETMARK, INC $1,196,303 0.11% 61,475
Large BLAIR WILLIAM & CO/IL $1,186,495 0.11% 60,971
Mid IMC-Chicago, LLC $1,183,343 0.11% 60,809
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $1,161,178 0.11% 59,670
Mega Vanguard Global Advisers, LLC $1,146,330 0.11% 58,907
Large Walleye Capital LLC $1,137,806 0.11% 58,469
Large CWM, LLC $1,007,872 0.10% 51,792
Small LAVELLE CAPITAL LP $994,406 0.09% 51,100
Mega RAYMOND JAMES FINANCIAL INC $991,388 0.09% 50,945
Mid Graham Capital Management, L.P. $925,984 0.09% 47,584
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $891,461 0.08% 45,810
Mid Orion Porfolio Solutions, LLC $836,293 0.08% 42,975
Mid Ancora Advisors LLC $823,158 0.08% 42,300
Mid Prospera Financial Services Inc $767,697 0.07% 39,450
Mid Voleon Capital Management LP $729,302 0.07% 37,477
Large ARIZONA STATE RETIREMENT SYSTEM Pension $700,774 0.07% 36,011
Micro Clifford Group, LLC $676,020 0.06% 34,739
Large Vanguard Investments Australia, Ltd. $625,600 0.06% 32,148
Mega D. E. Shaw & Co., Inc. $599,368 0.06% 30,800
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $584,831 0.06% 30,053
Mid Wilmington Savings Fund Society, FSB $579,908 0.05% 29,800
Small Gryphon Financial Partners LLC $568,562 0.05% 29,217
Large HighTower Advisors, LLC $566,091 0.05% 29,090
Large KLP KAPITALFORVALTNING AS $560,448 0.05% 28,800
Small Miramar Capital, LLC $556,011 0.05% 28,572

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