KLAVIYO INC KVYO
COM SER A · Common Stock · CUSIP 49845K101
B2C CRM and marketing automation platform
- SectorTechnology
- IndustryServices-Prepackaged Software
- HeadquartersBoston, MA
- Founded2012
- Websiteklaviyo.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($77.0k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $25.45. Options: 12 managers hold calls ($13.1m notional), 10 hold puts ($16.1m).
Trends to Q1 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2023 | 98 |
| Q4 2023 | 103 |
| Q1 2024 | 133 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2023 | 73 | 50 |
| Q1 2024 | 105 | 41 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2023 | $0 | $0 | — |
| Q3 2023 | $1.4m | $1.2m | 0.87 |
| Q4 2023 | $4.9m | $13.4m | 2.72 |
| Q1 2024 | $13.1m | $16.1m | 1.23 |
Biggest buyers
| Sands Capital Alternatives, LLC | Added | +3.0m |
| Granger Management LLC | Added | +2.9m |
| GREENOAKS LLC | New | +2.5m |
| ALLIANCEBERNSTEIN L.P. | Added | +2.0m |
| FEDERATED HERMES, INC. | Added | +1.9m |
| Atreides Management, LP | New | +1.7m |
| Focus Partners Wealth | New | +1.1m |
| Claro Advisors Inc. | New | +922.7k |
| GOLDMAN SACHS GROUP INC | Added | +848.2k |
| GLYNN CAPITAL MANAGEMENT LLC | Added | +848.2k |
Biggest sellers
| STEADFAST CAPITAL MANAGEMENT LP | Sold out | -840.4k |
| BlackRock Inc. | Reduced | -688.8k |
| FMR LLC | Reduced | -555.3k |
| GILDER GAGNON HOWE & CO LLC | Sold out | -169.5k |
| Alyeska Investment Group, L.P. | Sold out | -166.4k |
| Telemark Asset Management, LLC | Sold out | -150.0k |
| Caisse de depot et placement du Quebec | Sold out | -135.8k |
| Polar Capital Holdings Plc | Reduced | -85.6k |
| FORMULA GROWTH LTD | Reduced | -70.0k |
| Monashee Investment Management LLC | Sold out | -69.0k |
Biggest calls
| NOMURA HOLDINGS INC | New | $3.4m134.6k shares |
| JANE STREET GROUP, LLC | Added | $1.8m68.8k shares |
| CITADEL ADVISORS LLC | Added | $1.7m66.6k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $1.3m50.6k shares |
| Pentwater Capital Management LP | New | $1.3m50.0k shares |
| UBS Group AG | Reduced | $1.1m42.7k shares |
| WOLVERINE TRADING, LLC | New | $935.1k36.7k shares |
| GROUP ONE TRADING LLC | Added | $652.3k25.6k shares |
| SIMPLEX TRADING, LLC | Added | $647.0k25.4k shares |
| IMC-Chicago, LLC | New | $369.5k14.5k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $6.5m255.9k shares |
| Squarepoint Ops LLC | Unchanged | $3.3m129.3k shares |
| CITADEL ADVISORS LLC | Added | $2.2m87.7k shares |
| SIMPLEX TRADING, LLC | Added | $1.3m51.8k shares |
| Caption Management, LLC | Unchanged | $1.3m50.0k shares |
| JANE STREET GROUP, LLC | Reduced | $741.5k29.1k shares |
| WOLVERINE TRADING, LLC | New | $433.2k17.0k shares |
| GROUP ONE TRADING LLC | Added | $275.2k10.8k shares |
| Cutler Group LLC / CA | Reduced | $7.0k500 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Bialecki Andrew 13G · exempt (held before listing) +1.4 pts · filed 2026-08-05 | 36.5% |
| SHOPIFY INC. 13D · may seek influence +2.0 pts · filed 2026-08-31 | 20.8% |
| Hallen Ed 13G · exempt (held before listing) filed 2025-11-05 | 19.4% |
| SUMMIT PARTNERS L P 13G · exempt (held before listing) -8.8 pts · filed 2025-11-13 | 12.0% |
| Accomplice Fund I, L.P. 13G · exempt (held before listing) filed 2025-05-07 | 10.5% |
| Capital International Investors 13G · institution -1.3 pts · filed 2026-05-14 | 8.0% |
| BlackRock, Inc. 13G · institution new · filed 2026-07-29 | 5.3% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.2% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-07-31 | 5.0% |
Fell to 5% or below in the last year: FMR LLC (4.7%, 2026-08-06), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), MORGAN STANLEY (4.1%, 2026-03-06)
Insider purchases and sales in Q1 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 0 | — | — |
| Q4 2022 | 0 | — | 0 | — | — |
| Q1 2023 | 0 | — | 0 | — | — |
| Q2 2023 | 0 | — | 0 | — | — |
| Q3 2023 | 0 | — | 1 | $339.8k | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 1 | $865.7k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-02-29 | Weisman Tony Director | Sold | $865.7k33.3k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q1 2024
| Manager | Shares | Change |
|---|---|---|
| SUMMIT PARTNERS L P 67.09% of their portfolio | 47.7m $1.2bn | Unchanged |
| ALLIANCEBERNSTEIN L.P. 0.04% of their portfolio | 3.9m $99.8m | Added +2.0m |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 3.8m $97.4m | Added +106.7k |
| Sands Capital Alternatives, LLC 21.60% of their portfolio | 3.5m $89.6m | Added +3.0m |
| Granger Management LLC 14.99% of their portfolio | 2.9m $75.0m | Added +2.9m |
| GREENOAKS LLC 5.28% of their portfolio | 2.5m $64.0m | New |
| FEDERATED HERMES, INC. 0.15% of their portfolio | 2.5m $63.1m | Added +1.9m |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 2.3m $59.1m | Added +848.2k |
| Clearbridge Investments, LLC 0.04% of their portfolio | 2.2m $56.2m | Added +31.6k |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.1m $53.7m | Added +4.7k |
| Atreides Management, LP 1.34% of their portfolio | 1.7m $44.5m | New |
| MORGAN STANLEY 0.00% of their portfolio | 1.7m $42.1m | Added +796.9k |
| BlackRock Inc. 0.00% of their portfolio | 1.5m $39.0m | Reduced -688.8k |
| SANDS CAPITAL MANAGEMENT, LLC 0.10% of their portfolio | 1.4m $36.5m | Added +768.7k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 1.4m $35.6m | Added +17.6k |
| Blue Owl Capital Holdings LP 6.10% of their portfolio | 1.2m $30.5m | Unchanged |
| GLYNN CAPITAL MANAGEMENT LLC 5.44% of their portfolio | 1.1m $29.0m | Added +848.2k |
| Focus Partners Wealth 0.20% of their portfolio | 1.1m $24.5m | New |
| Capital Research Global Investors 0.01% of their portfolio | 1.0m $25.6m | Unchanged |
| Claro Advisors Inc. 4.09% of their portfolio | 922.7k $23.5m | New |
| FIRST TRUST ADVISORS LP 0.02% of their portfolio | 857.3k $21.8m | Added +789.5k |
| NORGES BANK 0.00% of their portfolio | 765.2k $19.5m | Unchanged |
| MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio | 729.6k $18.6m | Added +377.6k |
| Capital World Investors 0.00% of their portfolio | 699.5k $17.8m | Reduced -1.3k |
| AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio | 633.4k $16.1m | Added +255.1k |
| Whale Rock Capital Management LLC 0.22% of their portfolio | 579.1k $14.8m | Added +318.2k |
| Dragoneer Investment Group, LLC 0.29% of their portfolio | 500.0k $12.7m | Unchanged |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 457.6k $11.7m | Added +173.8k |
| HighTower Advisors, LLC 0.02% of their portfolio | 439.3k $11.2m | New |
| Bank of New York Mellon Corp 0.00% of their portfolio | 355.2k $9.0m | Added +332.2k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 349.8k $8.9m | Added +170.0k |
| MARSHALL WACE, LLP 0.01% of their portfolio | 344.0k $8.8m | Added +155.6k |
| TWO SIGMA ADVISERS, LP 0.02% of their portfolio | 340.8k $8.7m | Added +268.1k |
| Granahan Investment Management, LLC 0.27% of their portfolio | 306.8k $7.8m | Added +132.5k |
| SQN Investors LP 4.86% of their portfolio | 295.0k $7.5m | New |
| NEEDHAM INVESTMENT MANAGEMENT LLC 0.66% of their portfolio | 280.0k $7.1m | Added +207.5k |
| CITIGROUP INC 0.01% of their portfolio | 273.8k $7.0m | Added +158.0k |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 270.2k $6.9m | Added +70.4k |
| Mayflower Financial Advisors, LLC 1.04% of their portfolio | 243.4k $6.2m | New |
| STATE STREET CORP 0.00% of their portfolio | 240.5k $6.1m | Added +206.4k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 236.7k $6.0m | Added +4.7k |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 217.5k $5.5m | Added +217.4k |
| Bienville Capital Management, LLC 1.60% of their portfolio | 206.9k $5.3m | New |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio | 195.6k $5.0m | New |
| BLAIR WILLIAM & CO/IL 0.01% of their portfolio | 175.5k $4.5m | Added +162.4k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 174.4k $4.4m | Added +83.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 169.7k $4.3m | Reduced -28.2k |
| Walleye Capital LLC 0.05% of their portfolio | 168.2k $4.3m | New |
| Pathstone Holdings, LLC 0.02% of their portfolio | 162.0k $4.1m | New |
| Polar Capital Holdings Plc 0.02% of their portfolio | 159.0k $4.1m | Reduced -85.6k |
| Nishkama Capital, LLC 0.46% of their portfolio | 158.3k $4.0m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 157.1k $4.0m | Added +65.1k |
| DIKER MANAGEMENT LLC 3.11% of their portfolio | 150.0k $3.8m | Added +129.9k |
| CAPSTONE INVESTMENT ADVISORS, LLC 0.07% of their portfolio | 146.4k $3.7m | Added +21.3k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 136.2k $3.5m | Reduced -1.4k |
| Cerity Partners LLC 0.01% of their portfolio | 104.3k $2.7m | New |
| 3G Capital Partners LP 1.07% of their portfolio | 100.0k $2.5m | New |
| Nicholas Investment Partners, LP 0.26% of their portfolio | 99.4k $2.5m | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 97.7k $2.5m | Added +4.3k |
| FORMULA GROWTH LTD 0.57% of their portfolio | 70.0k $1.8m | Reduced -70.0k |
| Swiss National Bank 0.00% of their portfolio | 69.7k $1.8m | New |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 68.5k $1.7m | New |
| FMR LLC 0.00% of their portfolio | 67.0k $1.7m | Reduced -555.3k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio | 66.7k $1.7m | Unchanged |
| Dakota Wealth Management 0.04% of their portfolio | 63.3k $1.6m | New |
| NORTHERN TRUST CORP 0.00% of their portfolio | 59.3k $1.5m | Added +11.8k |
| UBS Group AG 0.00% of their portfolio | 58.2k $1.5m | Added +51.2k |
| Quantbot Technologies LP 0.08% of their portfolio | 54.4k $1.4m | Added +24.7k |
| Cynosure Group, LLC 0.24% of their portfolio | 52.8k $1.3m | New |
| Verition Fund Management LLC 0.01% of their portfolio | 46.1k $1.2m | Reduced -2.8k |
| NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio | 45.5k $1.2m | Added +284 |
| CABOT WEALTH MANAGEMENT INC 0.15% of their portfolio | 45.0k $1.1m | New |
| MARINO, STRAM & ASSOCIATES LLC 0.26% of their portfolio | 43.9k $1.1m | New |
| Jump Financial, LLC 0.03% of their portfolio | 43.5k $1.1m | Reduced -18.0k |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 40.7k $1.0m | New |
| TWINBEECH CAPITAL LP 0.02% of their portfolio | 40.0k $1.0m | New |
| Gryphon Financial Partners LLC 0.15% of their portfolio | 35.7k $910.0k | New |
| TIGER GLOBAL MANAGEMENT LLC 0.00% of their portfolio | 35.0k $891.8k | Unchanged |
| Ghisallo Capital Management LLC 0.10% of their portfolio | 35.0k $891.8k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 32.1k $817.8k | New |
| Legal & General Group Plc 0.00% of their portfolio | 30.6k $779.1k | Reduced -43.3k |
| TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio | 30.2k $770.3k | Added +19.0k |
| RAYMOND JAMES & ASSOCIATES 0.00% of their portfolio | 29.7k $755.6k | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 26.1k $665.3k | New |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 26.0k $662.1k | New |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 25.2k $641.0k | New |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 25.1k $639.3k | Added +19.6k |
| Caption Management, LLC 0.07% of their portfolio | 24.3k $619.2k | Added +12.8k |
| Woodline Partners LP 0.01% of their portfolio | 22.8k $580.0k | Added +14.7k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 22.3k $567.2k | Reduced -41.7k |
| Amundi 0.00% of their portfolio | 22.2k $506.8k | Added +1.8k |
| DARK FOREST CAPITAL MANAGEMENT LP 0.09% of their portfolio | 20.8k $531.0k | New |
| SIMPLEX TRADING, LLC 0.01% of their portfolio | 19.6k $500.0k | Added +1.7k |
| MIRABELLA FINANCIAL SERVICES LLP 0.03% of their portfolio | 18.8k $479.0k | New |
| MOODY NATIONAL BANK TRUST DIVISION 0.03% of their portfolio | 15.6k $398.5k | Added +7.3k |
| Wealthspire Advisors, LLC 0.00% of their portfolio | 14.3k $364.0k | New |
| Renaissance Capital LLC 0.17% of their portfolio | 12.7k $322.5k | Added +367 |
| Legato Capital Management LLC 0.04% of their portfolio | 12.1k $307.7k | New |
| SVB WEALTH LLC 0.01% of their portfolio | 11.7k $298.7k | New |
| XTX Topco Ltd 0.04% of their portfolio | 11.3k $289.1k | New |