Klaviyo Ownership | Who Owns Klaviyo?


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Klaviyo Ownership Summary


Klaviyo is owned by 51.36% institutional investors, 3.22% insiders, and 45.41% retail investors. Summit partners l p is the largest institutional shareholder, holding 6.22% of KVYO shares. Fidelity Select Software & IT Svcs Port is the top mutual fund, with 2.11% of its assets in Klaviyo shares.

KVYO Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockKlaviyo51.36%3.22%45.41%
SectorTechnology Stocks 36.64%15.09%48.27%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Summit partners l p18.85M6.22%$366.88M
Vanguard group14.36M4.77%$466.32M
Capital investors11.70M3.86%$227.76M
Fmr9.79M3.23%$190.46M
Whale rock capital management6.83M2.25%$132.82M
Wellington management group llp5.48M1.81%$106.63M
Morgan stanley5.07M1.67%$98.62M
Blackrock funding, inc. /de4.35M1.44%$84.74M
Jpmorgan chase4.30M1.42%$81.57M
Sands capital ventures3.65M1.20%$71.02M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Summit partners l p18.85M54.74%$366.88M
Sands capital ventures3.65M16.86%$71.02M
Morangie management424.11K7.60%$8.25M
Bienville capital management1.23M4.51%$23.89M
Ararat capital management lp221.11K3.28%$6.12M
Barton investment management1.05M2.56%$20.43M
Greenoaks capital partners2.32M1.96%$45.08M
Whale rock capital management6.83M1.72%$132.82M
Lisanti capital growth281.12K1.38%$5.47M
Delta global management lp847.50K1.35%$16.49M

Top Buyers

HolderShares% AssetsChange
Wellington management group llp5.48M0.02%5.48M
Whale rock capital management6.83M1.72%3.77M
Vanguard group14.36M0.01%1.57M
Norges bank1.52M0.01%1.52M
Susquehanna group, llp1.46M0.00%1.46M

Top Sellers

HolderShares% AssetsChange
Morgan stanley5.07M0.01%-9.48M
12 west capital management lp---1.84M
Alliancebernstein3.05M0.03%-1.68M
Claro advisors---1.65M
Ancora advisors42.30K0.02%-1.29M

New Positions

HolderShares% AssetsChangeValue
Wellington management group llp5.48M0.02%5.48M$106.63M
Norges bank1.52M0.01%1.52M$49.30M
Vanguard fiduciary trust878.24K0.00%878.24K$17.09M
Axa investment managers652.02K0.05%652.02K$18.05M
Scopia capital management lp247.56K0.86%247.56K$6.86M

Sold Out

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

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 20262791.09%155,638,486-1.70%511.85%16811.26%57-33.72%
Dec 31, 202567-77.74%40,328,546-71.46%130.55%42-75.44%18-77.50%
Sep 30, 202578-71.74%45,832,390-65.65%160.73%45-74.72%20-68.75%
Jun 30, 202527616.46%133,466,97115.94%462.66%17814.84%6430.61%
Mar 31, 202523618.00%115,136,4231.56%412.32%15330.77%498.89%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Fidelity Select Software & IT Svcs Port6.32M2.11%-405.70K
American Funds SMALLCAP World A5.72M1.91%-4.82K
American Funds Growth Fund of Amer A5.27M1.76%-
Capital Group Growth Fnd of Amer Comp5.27M1.76%-
Vanguard Explorer Inv4.89M1.63%4.45M
Vanguard Total Stock Mkt Idx Inv4.40M1.47%12.97K
Capital Group Growth Composite3.76M1.26%-
American Funds IS® Growth 13.76M1.26%-
Strategic Advisers Fidelity US TtlStk3.40M1.14%173.77K
Vanguard Small Cap Index3.19M1.07%-3.21K

Recent Insider Transactions


DateNameRoleActivityValue
Jun 18, 2026Whalen Amanda Chief Financial OfficerSell$185.22K
May 26, 2026Bialecki Andrew Co-Chief Executive OfficerSell$3.11M
May 18, 2026St. Ledger Susan-Sell$133.20K
May 19, 2026Bialecki Andrew Co-Chief Executive OfficerSell$2.98M
May 14, 2026Whalen Amanda Chief Financial OfficerSell$199.64K

Insider Transactions Trends


DateBuySell
2026 Q2-12
2026 Q1129
2025 Q4-40
2025 Q3-30
2025 Q2115

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$.

Who is the top mutual fund holder of Klaviyo shares?

Fidelity Select Software & IT Svcs Port is the top mutual fund holder of Klaviyo shares, with 2.11% of its total shares outstanding invested in 6.32M Klaviyo shares.

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