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
169,907,257
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
141,293,331
Holdings value
$3,913,995,000
% of all portfolios
0.014%
Number of holders
272
Number of buys
165
Number of sells
-116
Average buys %
+0%
Average sells %
-0.01%
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% $2,299,679,006 -$131,401,538 83,050,885 -5.4% Bialecki Andrew 30 Sep 2025
Hallen Ed 19.4% $910,422,224 32,879,098 Hallen Ed 30 Sep 2025
SHOPIFY INC. 18.85% -25.6% $886,841,973 +$28,607,813 32,027,518 +3.3% Shopify Strategic Holdings 3 LLC 29 Aug 2025
SUMMIT PARTNERS L P 12.03% -42.1% $522,033,423 -$331,587,750 18,852,778 -38.8% Summit Partners, L.P. 30 Sep 2025
Accomplice Fund I, L.P. 10.5% $322,309,237 11,137,154 Jeff Fagnan 31 Mar 2025
VANGUARD GROUP INC 10.15% $365,938,152 10,728,178 The Vanguard Group 30 Jun 2025
MORGAN STANLEY 8.4% $285,813,965 10,321,920 Morgan Stanley 30 Sep 2025
FMR LLC 6.7% $228,166,449 8,240,030 FMR LLC 30 Sep 2025
Accel Growth Fund V L.P. 4.9% -11.7% $134,813,025 +$1,126,576 4,658,363 +0.84% Ping Li ("PL") 31 Mar 2025
Sands Capital Ventures, LLC 4.9% $127,806,680 4,416,264 SANDS FRANK M. 31 Mar 2025
ALLIANCEBERNSTEIN L.P. 4.4% -14% $116,317,963 +$667,472 4,019,280 +0.58% AllianceBernstein L.P. 31 Mar 2025
Capital Research Global Investors 3.8% $86,863,410 3,001,500 Capital Research Global Investors 31 Dec 2024
Clearbridge Investments, LLC 3% $62,185,375 2,148,769 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 141,293,331 $3,913,995,000 +$187,741,304 $27.69 272
2025 Q2 133,427,489 $4,480,157,634 +$606,486,905 $33.58 254
2025 Q1 115,163,123 $3,485,157,277 +$7,777,195 $30.26 215
2024 Q4 114,019,355 $4,702,454,232 +$12,413,940 $41.24 183
2024 Q3 112,688,295 $3,988,569,710 +$103,363,332 $35.38 155
2024 Q2 110,710,486 $2,755,035,251 +$336,409,759 $24.89 131
2024 Q1 97,210,463 $2,473,738,867 +$567,238,465 $25.48 129
2023 Q4 74,639,384 $2,071,573,932 -$48,805,363 $27.78 102
2023 Q3 76,070,874 $2,621,101,608 +$2,620,714,239 $34.5 97