Klaviyo, Inc. (KVYO) Ownership
KVYO ownership summary
as of October 17, 2026- Institutions
- 101.6% of shares outstanding
- Insiders
- 2.03% of shares outstanding
- Shares outstanding
- 140.9M
- Float
- 125.5M shares available to trade
- Short interest
- 16.76% 21.1M shares short
- Days to cover
- 3.06 short interest down 1.3% vs prior month
- Institutions 101.57%
- Insiders 2.03%
KVYO top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Summit Partners, LLP | 6.62% | 18.9M | $322.0M | — | June 30, 2026 |
| 2 | Capital Research & Mgmt Co - Division 3 | 3.68% | 10.5M | $179.0M | −1.2M (−10.4%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 2.70% | 7.7M | $131.4M | +160,859 (+2.1%) | June 30, 2026 |
| 4 | BlackRock Inc | 2.67% | 7.6M | $130.0M | +3.3M (+74.8%) | June 30, 2026 |
| 5 | FMR Inc | 2.31% | 6.6M | $112.1M | −3.2M (−32.9%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 2.10% | 6.0M | $102.3M | −172,060 (−2.8%) | June 30, 2026 |
| 7 | Whale Rock Capital Management LLC | 1.94% | 5.5M | $94.4M | −1.3M (−19.0%) | June 30, 2026 |
| 8 | Wellington Management Company LLP | 1.77% | 5.0M | $86.2M | −430,029 (−7.8%) | June 30, 2026 |
| 9 | Morgan Stanley - Brokerage Accounts | 1.56% | 4.4M | $75.9M | −623,006 (−12.3%) | June 30, 2026 |
| 10 | Millennium Management LLC | 1.45% | 4.1M | $70.3M | +1.8M (+75.3%) | June 30, 2026 |
| 11 | Sands Capital Ventures, LLC | 1.38% | 3.9M | $67.1M | +278,468 (+7.6%) | June 30, 2026 |
| 12 | Bank of America Corp | 1.34% | 3.8M | $65.2M | +2.1M (+126.4%) | June 30, 2026 |
| 13 | Geode Capital Management, LLC | 0.87% | 2.5M | $42.3M | +703,145 (+39.6%) | June 30, 2026 |
| 14 | State Street Corp | 0.81% | 2.3M | $39.6M | +1.2M (+100.7%) | June 30, 2026 |
| 15 | GREENOAKS CAPITAL PARTNERS LLC | 0.81% | 2.3M | $39.6M | — | June 30, 2026 |
| 16 | Capital World Investors | 0.74% | 2.1M | $35.8M | +57,215 (+2.8%) | June 30, 2026 |
| 17 | The Goldman Sachs Group Inc | 0.63% | 1.8M | $30.5M | −376,743 (−17.4%) | June 30, 2026 |
| 18 | Two Sigma Investments LLC | 0.62% | 1.8M | $30.2M | −1.1M (−38.9%) | June 30, 2026 |
| 19 | Canada Pension Plan Investment Board | 0.60% | 1.7M | $29.2M | +951,800 (+125.7%) | June 30, 2026 |
| 20 | Jupiter Topco LLC | 0.57% | 1.6M | $27.6M | +1.6M (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 10 holders added 12.1M shares and 8 cut 8.5M.
KVYO top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | American Funds Growth Fd of Amer A | 1.85% | 5.3M | $90.1M | — | June 30, 2026 |
| 2 | Fidelity Select Software & IT Svcs Port | 1.59% | 4.5M | $77.5M | −44,900 (−1.0%) | August 31, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 1.49% | 4.2M | $72.5M | −6,471 (−0.2%) | August 31, 2026 |
| 4 | Vanguard Explorer Inv | 1.34% | 3.8M | $65.1M | −1.1M (−22.1%) | June 30, 2026 |
| 5 | American Funds IS® Growth 1 | 1.32% | 3.8M | $64.2M | — | June 30, 2026 |
| 6 | American Funds SMALLCAP World A | 1.16% | 3.3M | $56.2M | −2.4M (−42.5%) | June 30, 2026 |
| 7 | Vanguard Small Cap Index | 1.08% | 3.1M | $52.6M | +4,827 (+0.2%) | August 31, 2026 |
| 8 | Vanguard Information Technology ETF | 0.91% | 2.6M | $44.1M | −7,479 (−0.3%) | August 31, 2026 |
| 9 | FullerThaler Behavioral Sm-Cp Gr R6 | 0.69% | 2.0M | $33.6M | +172,100 (+9.6%) | March 31, 2026 |
| 10 | Vanguard MStar Small Cap Growth Indx Inv | 0.62% | 1.8M | $30.2M | +3,538 (+0.2%) | August 31, 2026 |
| 11 | Fidelity Blue Chip Growth | 0.38% | 1.1M | $18.3M | — | August 31, 2026 |
| 12 | First Trust Cloud Computing ETF | 0.33% | 937K | $16.0M | −2,307 (−0.2%) | September 30, 2026 |
| 13 | ClearBridge Small Cap Growth A | 0.32% | 907K | $15.5M | — | August 31, 2026 |
| 14 | Schwab US Small-Cap ETF™ | 0.23% | 669K | $11.4M | +450 (+0.1%) | September 30, 2026 |
| 15 | iShares Expanded Tech-Software Sect ETF | 0.22% | 619K | $10.6M | +5,850 (+1.0%) | September 30, 2026 |
| 16 | Fidelity Mid Cap Index | 0.21% | 589K | $10.1M | +62,006 (+11.8%) | August 31, 2026 |
| 17 | iShares Russell Mid-Cap ETF | 0.20% | 570K | $9.7M | +1,045 (+0.2%) | September 30, 2026 |
| 18 | Fidelity Extended Market Index | 0.20% | 558K | $9.5M | −114,137 (−17.0%) | August 31, 2026 |
| 19 | JPMorgan US Quality Factor ETF | 0.18% | 511K | $8.7M | — | September 30, 2026 |
| 20 | Franklin Small Cap Growth Adv | 0.17% | 493K | $8.4M | −447,787 (−47.6%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
KVYO insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-20 | Landon Edmond | Sell | $20.00 | 9,623 | $192,460 |
| 2026-04-16 | Amanda Whalen | Sell | $18.54 | 14,000 | $259,560 |
| 2026-04-14 | Andrew Bialecki | Sell | $17.19 | 200,000 | $3.4M |
| 2026-04-07 | Andrew Bialecki | Sell | $18.63 | 200,000 | $3.7M |
| 2026-03-24 | Andrew Bialecki | Sell | $18.17 | 200,000 | $3.6M |
| 2026-03-17 | Andrew Bialecki | Sell | $19.37 | 200,000 | $3.9M |
| 2026-03-12 | Amanda Whalen | Sell | $19.58 | 14,000 | $274,120 |
| 2026-03-12 | Landon Edmond | Sell | $20.15 | 14,366 | $289,475 |
| 2026-03-10 | Andrew Bialecki | Sell | $19.96 | 206,827 | $4.1M |
| 2026-03-05 | Landon Edmond | Sell | $20.16 | 15,093 | $304,275 |
| 2026-03-03 | Andrew Bialecki | Sell | $18.64 | 200,000 | $3.7M |
| 2026-02-24 | Andrew Bialecki | Sell | $16.76 | 200,000 | $3.4M |
| 2026-01-27 | Andrew Bialecki | Sell | $25.33 | 155,219 | $3.9M |
| 2026-01-20 | Andrew Bialecki | Sell | $24.16 | 167,926 | $4.1M |
| 2026-01-15 | Amanda Whalen | Sell | $25.83 | 14,000 | $361,620 |
| 2026-01-15 | Landon Edmond | Sell | $25.83 | 10,000 | $258,300 |
| 2026-01-13 | Andrew Bialecki | Sell | $27.41 | 140,646 | $3.9M |
| 2026-01-07 | Andrew Bialecki | Sell | $30.01 | 16,649 | $499,636 |
| 2026-01-06 | Andrew Bialecki | Sell | $28.91 | 137,504 | $4.0M |
| 2025-12-22 | Andrew Bialecki | Sell | $32.97 | 100,000 | $3.3M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
KVYO shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns KVYO
Institutional investors own 101.6% of Klaviyo's shares and insiders 2.03%. The largest holder is Summit Partners, LLP with 6.62% of the shares (18.9M), as of June 30, 2026. Among the top 20 institutions, 10 added shares and 8 reduced their stake in the latest filings. Short interest is 16.76% of the float, or 3.06 days of average trading volume. The share count rose 39.0% since 2021.
Related: KVYO analyst forecast, KVYO key metrics. See the KVYO stock overview for the latest quote and news.
KVYO ownership FAQ
Who owns the most Klaviyo stock?
The largest shareholders of Klaviyo are Summit Partners, LLP (6.62%), Capital Research & Mgmt Co - Division 3 (3.68%), Vanguard Portfolio Management, LLC (2.70%), BlackRock Inc (2.67%), FMR Inc (2.31%).
What percentage of Klaviyo is owned by institutions?
Institutions hold 101.6% of Klaviyo's shares outstanding; insiders hold 2.03%.
Which funds own Klaviyo?
The largest fund holders of Klaviyo are American Funds Growth Fd of Amer A (1.85%), Fidelity Select Software & IT Svcs Port (1.59%), Vanguard MStar Total Stk Mkt Idx Invest (1.49%), Vanguard Explorer Inv (1.34%), American Funds IS® Growth 1 (1.32%).
What is Klaviyo's short interest?
21.1M shares of Klaviyo were sold short, 16.76% of the float; at the average daily volume it would take 3.06 days to cover.
Are insiders buying or selling Klaviyo?
Of the latest 20 reported insider transactions in Klaviyo (since December 22, 2025), 0 were purchases and 20 were sales.
How many shares of Klaviyo are outstanding?
Klaviyo has 140.9M shares outstanding, of which 125.5M are in the public float.