Klaviyo, Inc.: which funds bought and sold
Institutions that bought and sold Klaviyo shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 164 institutions that filed 13F reports for both quarters added to or opened positions in Klaviyo, and 130 cut or closed them. Together they sold a net 12.5M shares, −8.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 13.2M shares (−19.0%); index fund managers were net buyers of 5.5M shares (+23.6%). 63 opened a new position and 56 sold out entirely.
Bought, Q2 2026 164 institutions, 63 of them new holders Sold, Q2 2026 130 institutions, 56 of them sold out
Net change, all compared −12.5M shares (−8.0%)
Net change, active managers −13.2M shares (−19.0%), 29 bought, 31 sold
Buyers versus sellers
164 bought 31 130 sold
Active managers and hedge funds 29 bought · 31 sold · −13.2M
Index fund managers 8 bought · 2 sold · +5.5M
Other institutions 127 bought · 97 sold · −4.8M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Blackrock, Inc. Index funds | +3.3M +74.8% | 7.6M | $115M |
| Bank Of America Corp | +2.1M +126.4% | 3.8M | $57.7M |
| Millennium Management LLC Hedge fund | +1.8M +75.3% | 4.1M | $62.2M |
| State Street Corp Index funds | +1.2M +100.7% | 2.3M | $35M |
| D. E. Shaw & Co., Inc. Hedge fund | +1.1M +1750.6% | 1.2M | $18M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +1.1M +598.9% | 1.3M | $18.9M |
| Canada Pension Plan Investment Board | +952K +125.7% | 1.7M | $25.8M |
| Exoduspoint Capital Management, LP Hedge fund | +934K New position | 934K | $14.1M |
| Squarepoint Ops LLC Hedge fund | +885K +1153.6% | 962K | $14.5M |
| Amundi | +814K New position | 814K | $12.3M |
| Balyasny Asset Management L.P. Hedge fund | +719K New position | 719K | $10.9M |
| Geode Capital Management, LLC Index funds | +703K +39.6% | 2.5M | $37.4M |
| Dimensional Fund Advisors LP | +680K +210.6% | 1.0M | $15.1M |
| Congress Asset Management Co Active manager | +636K New position | 636K | $9.6M |
| UBS Group AG | +612K +311.5% | 808K | $12.2M |
| Trexquant Investment LP Hedge fund | +443K +63.4% | 1.1M | $17.3M |
| Voleon Capital Management LP Hedge fund | +440K +1173.7% | 477K | $7.2M |
| Xtx Topco Ltd | +346K +281.8% | 469K | $7.1M |
| Susquehanna Fundamental Investments, LLC | +345K New position | 345K | $5.2M |
| Nuveen, LLC | +336K +1439.1% | 359K | $5.4M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Millennium Management LLC Hedge fund | +1.8M +75.3% | 4.1M | $62.2M |
| D. E. Shaw & Co., Inc. Hedge fund | +1.1M +1750.6% | 1.2M | $18M |
| Arrowstreet Capital, Limited Partnership Hedge fund | +1.1M +598.9% | 1.3M | $18.9M |
| Exoduspoint Capital Management, LP Hedge fund | +934K New position | 934K | $14.1M |
| Squarepoint Ops LLC Hedge fund | +885K +1153.6% | 962K | $14.5M |
| Balyasny Asset Management L.P. Hedge fund | +719K New position | 719K | $10.9M |
| Congress Asset Management Co Active manager | +636K New position | 636K | $9.6M |
| Trexquant Investment LP Hedge fund | +443K +63.4% | 1.1M | $17.3M |
| Voleon Capital Management LP Hedge fund | +440K +1173.7% | 477K | $7.2M |
| Qube Research & Technologies Ltd Hedge fund | +300K +49.8% | 901K | $13.6M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Jpmorgan Chase & Co | −3.5M −81.0% | 818K | $12.3M |
| FMR LLC Active manager | −3.2M −32.9% | 6.6M | $99.1M |
| Alliancebernstein L.P. Active manager | −3.0M −98.9% | 32K | $623,965 |
| Fuller & Thaler Asset Management, Inc. | −2.9M Sold out | 0 | — |
| American Century Companies Inc Active manager | −2.9M Sold out | 0 | — |
| Federated Hermes, Inc. Active manager | −2.6M Sold out | 0 | — |
| Capital Research Global Investors Active manager | −1.3M Sold out | 0 | — |
| Whale Rock Capital Management LLC Hedge fund | −1.3M −19.0% | 5.5M | $83.5M |
| Schonfeld Strategic Advisors LLC Hedge fund | −1.2M Sold out | 0 | — |
| Capital International Investors Active manager | −1.2M −10.4% | 10.5M | $158M |
| Alyeska Investment Group, L.P. Hedge fund | −1.2M Sold out | 0 | — |
| Arrowmark Colorado Holdings LLC | −1.2M −79.4% | 307K | $4.6M |
| Susquehanna International Group, LLP | −1.2M −79.8% | 295K | $4.5M |
| Two Sigma Investments, LP Hedge fund | −1.1M −38.9% | 1.8M | $26.7M |
| Fiera Capital Corp | −1.0M −42.6% | 1.4M | $20.8M |
| Bank Of New York Mellon Corp | −934K −62.0% | 574K | $8.7M |
| Voya Investment Management LLC | −830K −91.4% | 78K | $1.2M |
| Morgan Stanley | −623K −12.3% | 4.4M | $67.1M |
| AQR Capital Management LLC Hedge fund | −594K −65.1% | 318K | $4.8M |
| Point72 Asset Management, L.P. Hedge fund | −558K −33.4% | 1.1M | $16.8M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| FMR LLC Active manager | −3.2M −32.9% | 6.6M | $99.1M |
| Alliancebernstein L.P. Active manager | −3.0M −98.9% | 32K | $623,965 |
| American Century Companies Inc Active manager | −2.9M Sold out | 0 | — |
| Federated Hermes, Inc. Active manager | −2.6M Sold out | 0 | — |
| Capital Research Global Investors Active manager | −1.3M Sold out | 0 | — |
| Whale Rock Capital Management LLC Hedge fund | −1.3M −19.0% | 5.5M | $83.5M |
| Schonfeld Strategic Advisors LLC Hedge fund | −1.2M Sold out | 0 | — |
| Capital International Investors Active manager | −1.2M −10.4% | 10.5M | $158M |
| Alyeska Investment Group, L.P. Hedge fund | −1.2M Sold out | 0 | — |
| Two Sigma Investments, LP Hedge fund | −1.1M −38.9% | 1.8M | $26.7M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Exoduspoint Capital Management, LPHedge fund | 934K | $14.1M |
| Amundi | 814K | $12.3M |
| Balyasny Asset Management L.P.Hedge fund | 719K | $10.9M |
| Congress Asset Management CoActive manager | 636K | $9.6M |
| Susquehanna Fundamental Investments, LLC | 345K | $5.2M |
| Jump Financial, LLC | 316K | $4.8M |
| LGT Fund Management Co Ltd. | 230K | $3.5M |
| Healthcare Of Ontario Pension Plan Trust Fund | 177K | $2.7M |
| Y-Intercept (Hong Kong) Ltd | 167K | $2.5M |
| Shay Capital LLC | 118K | $1.8M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Fuller & Thaler Asset Management, Inc. | 2.9M | $57.3M |
| American Century Companies IncActive manager | 2.9M | $56.9M |
| Federated Hermes, Inc.Active manager | 2.6M | $51.4M |
| Capital Research Global InvestorsActive manager | 1.3M | $26.2M |
| Schonfeld Strategic Advisors LLCHedge fund | 1.2M | $24.1M |
| Alyeska Investment Group, L.P.Hedge fund | 1.2M | $23.5M |
| Picton Mahoney Asset Management | 401K | $7.8M |
| Burkehill Global Management, LPHedge fund | 300K | $5.8M |
| Goodnow Investment Group, LLC | 293K | $5.7M |
| Lisanti Capital Growth, LLC | 281K | $5.5M |
Who holds the shares
- Institutions reporting
- 274
- Ten largest holders
- 52.5% of 13F-reported shares
- Index fund managers
- 19.7% of 13F-reported shares
- Active managers and hedge funds
- 38.6% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 29 | 31 | 9 | 14 | −13.2M | −19.0% |
| Index fund managers | 8 | 2 | 0 | 0 | +5.5M | +23.6% |
| Other institutions | 127 | 97 | 54 | 42 | −4.8M | −7.5% |