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

CUSIP: 49845K101

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Series A Common Stock
Shares outstanding
146,054,512
Total 13F shares
141,302,121
Share change
+7,800,344
Total reported value
$3,914,230,873
Put/Call ratio
54%
Price per share
$27.69
Number of holders
274
Value change
+$188,134,076
Number of buys
165
Number of sells
117

Quarterly Holders Quick Answers

What is CUSIP 49845K101?
CUSIP 49845K101 identifies KVYO - Klaviyo, Inc. - Series A Common Stock in SEC institutional holdings data.

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Institutional Holders of Klaviyo, Inc. - Series A Common Stock (KVYO) as of Q3 2025

As of 30 Sep 2025, Klaviyo, Inc. - Series A Common Stock (KVYO) was held by 274 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 141,302,121 shares. The largest 10 holders included SUMMIT PARTNERS L P, VANGUARD GROUP INC, MORGAN STANLEY, FMR LLC, Point72 Asset Management, L.P., ALLIANCEBERNSTEIN L.P., BlackRock, Inc., Sands Capital Alternatives, LLC, Whale Rock Capital Management LLC, and CITADEL ADVISORS LLC. This page lists 274 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.