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

Historical Holders from Q3 2023 to Q3 2025

Symbol
KVYO on NYSE
Type / Class
Equity / Series A Common Stock
Shares outstanding
170M
All holders as of 30 Sep 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
271
Number of buys
165
Number of sells
-116
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 30 Sep 2025
Hallen Ed 19.4% $910M 32.9M Hallen Ed 30 Sep 2025
SHOPIFY INC. 18.85% -25.6% $887M $28.6M 32M +3.33% Shopify Strategic Holdings 3 LLC 29 Aug 2025
SUMMIT PARTNERS L P 12.03% -42.1% $522M -$332M 18.9M -38.8% Summit Partners, L.P. 30 Sep 2025
Accomplice Fund I, L.P. 10.5% $322M 11.1M Jeff Fagnan 31 Mar 2025
VANGUARD GROUP INC 10.15% $366M 10.7M The Vanguard Group 30 Jun 2025
MORGAN STANLEY 8.4% $286M 10.3M Morgan Stanley 30 Sep 2025
FMR LLC 6.7% $228M 8.24M FMR LLC 30 Sep 2025
Accel Growth Fund V L.P. 4.9% -11.7% $135M $1.13M 4.66M +0.84% Ping Li ("PL") 31 Mar 2025
Sands Capital Ventures, LLC 4.9% $128M 4.42M SANDS FRANK M. 31 Mar 2025
ALLIANCEBERNSTEIN L.P. 4.4% -14% $116M $667K 4.02M +0.58% AllianceBernstein L.P. 31 Mar 2025
Capital Research Global Investors 3.8% $86.9M 3M Capital Research Global Investors 31 Dec 2024
Clearbridge Investments, LLC 3% $62.2M 2.15M Clearbridge Investments, LLC 30 Sep 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 $27.69 271
2025 Q2 133M $4.48B +$606M $33.58 254
2025 Q1 115M $3.49B +$7.78M $30.26 215
2024 Q4 114M $4.7B +$12.4M $41.24 183
2024 Q3 113M $3.99B +$103M $35.38 155
2024 Q2 111M $2.76B +$336M $24.89 131
2024 Q1 97.2M $2.47B +$567M $25.48 129
2023 Q4 74.6M $2.07B -$48.8M $27.78 102
2023 Q3 76.1M $2.62B +$2.62B $34.50 97