Klaviyo, Inc. (KVYO) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

303,167,417Shares Outstanding

161,907,200Shares held by institutions

$3,098,903,808Value of institutional holdings

53.41%Institutional ownership %

18.01%Shares Changed QoQ

251No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Klaviyo, Inc. (NYSE:KVYO) showed up in the 13F filings of 250 institutional investors as of December 2025.

Collectively, these holders controlled 52.9% of Klaviyo's outstanding shares in December 2025, up from 47.9% in September 2025.
They increased total shares held in Klaviyo by 16.94% from last quarter, and the number of investors in KVYO increased 36.61% annually.
Of these 250 funds, 139 grew their exposure to Klaviyo, 88 cut back, and 23 maintained positions.
The aggregate institutional position in Klaviyo amounted to 160.38Mn shares as of December 2025, up by 23.24Mn shares quarter on quarter, and up 40.23Mn shares year over year.
SUMMIT PARTNERS L P is the top holder of Klaviyo as of December 31, 2025, with 18.85Mn shares representing 6.22% of outstanding stock.
The most significant purchases of KVYO for the quarter ending December 2025 came from Capital International Investors (12.79Mn), FULLER & THALER ASSET MANAGEMENT, INC. (5.71Mn), Morgan Stanley (3.86Mn), VANGUARD GROUP INC (1.57Mn), NORGES BANK (1.52Mn).
Top sellers of KVYO stock for the quarter ending December 2025 included Point72 Asset Management, L.P. (4.36Mn), CITADEL ADVISORS LLC (2.68Mn), Bank of New York Mellon Corp (1.13Mn), Freestone Grove Partners LP (902.21K), Royal Bank Of Canada (828.14K).
Per Business Quant, the top 10 investors in KVYO for the quarter ending December 2025 include SUMMIT PARTNERS L P (18.85Mn), Morgan Stanley (14.55Mn), VANGUARD GROUP INC (14.36Mn), Capital International Investors (12.79Mn), FMR LLC (8.37Mn), FULLER & THALER ASSET MANAGEMENT, INC. (5.71Mn), ALLIANCEBERNSTEIN L.P. (4.73Mn), BlackRock, Inc. (3.72Mn), Sands Capital Alternatives, LLC (3.65Mn), Jpmorgan Chase & Co (3.56Mn).

251 Institutional Holders

161,907,200 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
SUMMIT PARTNERS L P	31 Dec, 2025	18,852,778	0	0.00%	$612,149,702.00
Morgan Stanley	31 Dec, 2025	14,547,090	3,855,160	36.06%	$472,344,030.00
VANGUARD GROUP INC	31 Dec, 2025	14,361,540	1,573,812	12.31%	$466,319,204.00
Capital International Investors	31 Dec, 2025	12,788,846	12,788,846	0.00%	$415,253,830.00
FMR LLC	31 Dec, 2025	8,371,717	131,686	1.60%	$271,829,648.00
FULLER & THALER ASSET MANAGEMENT, INC.	31 Dec, 2025	5,708,326	5,708,326	0.00%	$185,349,326.00
ALLIANCEBERNSTEIN L.P.	31 Dec, 2025	4,731,312	-75,365	-1.57%	$153,625,701.00
BlackRock, Inc.	31 Dec, 2025	3,716,334	59,445	1.63%	$120,669,364.00
Sands Capital Alternatives, LLC	31 Dec, 2025	3,649,678	134,613	3.83%	$118,505,045.00
Jpmorgan Chase & Co	31 Dec, 2025	3,564,743	-250,919	-6.58%	$115,747,232.00
Whale Rock Capital Management LLC	31 Dec, 2025	3,057,889	922	0.03%	$99,289,656.00
Goldman Sachs Group Inc	31 Dec, 2025	3,048,086	1,456,010	91.45%	$98,971,352.00
Federated Hermes, Inc.	31 Dec, 2025	2,900,807	-9,385	-0.32%	$94,189,203.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	2,895,304	776,327	36.64%	$94,010,573.00
Capital Research Global Investors	31 Dec, 2025	2,577,782	-15,361	-0.59%	$83,700,582.00
Fiera Capital Corp	31 Dec, 2025	2,331,650	1,089,704	87.74%	$75,708,675.00
GREENOAKS CAPITAL PARTNERS LLC	31 Dec, 2025	2,316,796	0	0.00%	$75,226,366.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	2,224,011	531,830	31.43%	$72,213,637.00
Franklin Resources Inc	31 Dec, 2025	1,980,269	57,944	3.01%	$64,299,347.00
12 West Capital Management LP	31 Dec, 2025	1,838,000	0	0.00%	$59,679,860.00

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