Klaviyo Ownership | Who Owns Klaviyo?

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Klaviyo Ownership Summary

Klaviyo is owned by 13.41% institutional investors, 2.59% insiders, and 84.01% retail investors. Summit partners l p is the largest institutional shareholder, holding 6.22% of KVYO shares.

KVYO Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Klaviyo	13.41%	2.59%	84.01%
Sector	Technology Stocks	35.36%	13.17%	51.47%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Summit partners l p	18.85M	6.22%	$366.88M
Vanguard group	14.36M	4.77%	$466.32M
Capital investors	11.70M	3.86%	$227.76M
Fmr	9.79M	3.23%	$190.46M
Whale rock capital management	6.83M	2.25%	$132.82M
Wellington management group llp	5.48M	1.81%	$106.63M
Morgan stanley	5.07M	1.67%	$98.62M
Blackrock funding, inc. /de	4.35M	1.44%	$84.74M
Jpmorgan chase	4.30M	1.42%	$81.57M
Sands capital ventures	3.65M	1.20%	$71.02M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Summit partners l p	18.85M	54.74%	$366.88M
Sands capital ventures	3.65M	16.86%	$71.02M
Morangie management	424.11K	7.60%	$8.25M
Bienville capital management	1.23M	4.51%	$23.89M
Ararat capital management lp	221.11K	3.28%	$6.12M
Barton investment management	1.05M	2.56%	$20.43M
Greenoaks capital partners	2.32M	1.96%	$45.08M
Whale rock capital management	6.83M	1.72%	$132.82M
Lisanti capital growth	281.12K	1.38%	$5.47M
Delta global management lp	847.50K	1.35%	$16.49M

Top Buyers

Holder	Shares	% Assets	Change
Wellington management group llp	5.48M	0.02%	5.48M
Whale rock capital management	6.83M	1.72%	3.77M
Vanguard group	14.36M	0.01%	1.57M
Norges bank	1.52M	0.01%	1.52M
Susquehanna group, llp	1.46M	0.00%	1.46M

Top Sellers

Holder	Shares	% Assets	Change
Morgan stanley	5.07M	0.01%	-9.48M
12 west capital management lp	-	-	-1.84M
Alliancebernstein	3.05M	0.03%	-1.68M
Claro advisors	-	-	-1.65M
Ancora advisors	42.30K	0.02%	-1.29M

New Positions

Holder	Shares	% Assets	Change	Value
Wellington management group llp	5.48M	0.02%	5.48M	$106.63M
Norges bank	1.52M	0.01%	1.52M	$49.30M
Vanguard fiduciary trust	878.24K	0.00%	878.24K	$17.09M
Axa investment managers	652.02K	0.05%	652.02K	$18.05M
Scopia capital management lp	247.56K	0.86%	247.56K	$6.86M

Sold Out

Holder	Change
Clearstead advisors	-4.00
Skopos labs	-15.00
Optima capital	-18.00
Coldstream capital management	-22.00
Harbour investments	-29.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	67	-77.74%	40,328,546	-71.46%	13	0.55%	42	-75.44%	18	-77.50%
Sep 30, 2025	78	-71.74%	45,832,390	-65.65%	16	0.73%	45	-74.72%	20	-68.75%
Jun 30, 2025	276	16.46%	133,466,971	15.94%	46	2.66%	178	14.84%	64	30.61%
Mar 31, 2025	236	18.00%	115,136,423	1.56%	41	2.32%	153	30.77%	49	8.89%
Dec 31, 2024	203	20.12%	113,904,613	1.63%	42	2.44%	119	30.77%	46	-4.17%

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 12, 2026	Bialecki Andrew	Co-Chief Executive Officer	Sell	$878.50K
May 12, 2026	Bialecki Andrew	Co-Chief Executive Officer	Sell	$2.04M
Apr 20, 2026	Edmond Landon	Chief Legal Officer	Sell	$192.46K
Apr 16, 2026	Whalen Amanda	Chief Financial Officer	Sell	$259.56K
Apr 14, 2026	Bialecki Andrew	Co-Chief Executive Officer	Sell	$1.90M

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	7
2026 Q1	1	29
2025 Q4	-	40
2025 Q3	-	30
2025 Q2	1	15

KVYO Ownership FAQ

Who owns the most shares of Klaviyo?

Klaviyo’s largest shareholders are Summit partners l p (18.85M shares, 6.22%), Vanguard group (14.36M shares, 4.77%), and Capital investors (11.7M shares, 3.86%). Together, they hold 14.86% of Klaviyo’s total shares outstanding.

Does Blackrock own Klaviyo?

BlackRock is not among the top 10 institutional shareholders of Klaviyo.

Who is Klaviyo’s biggest shareholder by percentage of total assets invested?

Summit partners l p is Klaviyo’s biggest shareholder by percentage of total assets invested, with 54.74% of its assets in 18.85M Klaviyo shares, valued at 366.88M$.

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