Klaviyo, Inc. - Series A Common Stock (KVYO)

Historical Holders from Q3 2023 to Q3 2025

Symbol
KVYO on NYSE
CUSIP
49845K101
Type / Class
Equity / Series A Common Stock
Shares outstanding
170M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
141M
Holdings value
$3.91B
% of all portfolios
0.014%
Grand Portfolio weight change
+0%
Number of holders
267
Number of buys
162
Number of sells
-114
Average Value change %
0%
Average buys %
+0.002%
Average sells %
-0.006%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Klaviyo, Inc. - Series A Common Stock (KVYO)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Bialecki Andrew 37.7% -12.1% $2.3B -$131M 83.1M -5.41% Bialecki Andrew Sep 30, 2025
Hallen Ed 19.4% $910M 32.9M Hallen Ed Sep 30, 2025
SHOPIFY INC. 18.85% -25.6% $887M $28.6M 32M +3.33% Shopify Strategic Holdings 3 LLC Aug 29, 2025
SUMMIT PARTNERS L P 12.03% -42.1% $522M -$332M 18.9M -38.8% Summit Partners, L.P. Sep 30, 2025
Accomplice Fund I, L.P. 10.5% $324M 11.1M Jeff Fagnan Mar 31, 2025
VANGUARD GROUP INC 10.15% $402M 10.7M The Vanguard Group Jun 30, 2025
MORGAN STANLEY 8.4% $286M 10.3M Morgan Stanley Sep 30, 2025
FMR LLC 6.7% $228M 8.24M FMR LLC Sep 30, 2025
Accel Growth Fund V L.P. 4.9% -11.7% $135M $1.13M 4.66M +0.84% Ping Li ("PL") Mar 31, 2025
Sands Capital Ventures, LLC 4.9% $128M 4.42M SANDS FRANK M. Mar 31, 2025
ALLIANCEBERNSTEIN L.P. 4.4% -14% $117M $670K 4.02M +0.58% AllianceBernstein L.P. Mar 31, 2025
Capital Research Global Investors 3.8% $87.3M 3M Capital Research Global Investors Dec 31, 2024
Clearbridge Investments, LLC 3% $62.5M 2.15M Clearbridge Investments, LLC Sep 30, 2024

Institutional Holders of Klaviyo, Inc. - Series A Common Stock (KVYO)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 141M $3.91B +$188M $27.69 267
2025 Q2 133M $4.48B +$607M $33.58 254
2025 Q1 115M $3.49B +$7.78M $30.26 214
2024 Q4 114M $4.7B +$33M $41.24 182
2024 Q3 112M $3.97B +$88.3M $35.38 157
2024 Q2 111M $2.76B +$356M $24.89 134
2024 Q1 96.4M $2.45B +$534M $25.48 132
2023 Q4 391K $10.9M +$1.18M $27.78 4
2023 Q3 75.4M $2.6B +$2.6B $34.50 96