KVYO · Klaviyo, Inc.
$19.61
+1.82 (+10.23%)
At close · Aug 27
Market Cap
$5.58B
Shares
284.73M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 275
Total Value: $2,250,977,734
Total Shares: 149,071,384
Showing 1–100
of 295 holdings by value
· page 1 of 3
Institutional Ownership Trend
12 quarters
Holder Concentration
Across 275 13F filers · Δ vs Mar 31, 2026Top Holder
12.6%
+0.8 pts
Top 5
34.4%
−0.0 pts
Top 10
51.2%
+0.9 pts
HHI
388
Broadly held+11
Quarterly Activity
vs Mar 31, 2026
New
68
Increased
101
Decreased
75
Sold Out
60
Unchanged
31
Holder count:
+8
Institutional value:
-27.3%
Shares held:
-6.3%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega BlackRock, Inc. | +3,257,743 | 7,612,078 | |
| Mega BANK OF AMERICA CORP /DE/ | +2,132,775 | 3,819,545 | |
| Mega MILLENNIUM MANAGEMENT LLC | +1,769,132 | 4,117,367 | |
| Mega STATE STREET CORP | +1,163,818 | 2,319,638 | |
| Mega D. E. Shaw & Co., Inc. | +1,088,835 | 1,194,162 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega JPMORGAN CHASE & CO | −3,482,294 | 817,683 | |
| Mega FMR LLC | −3,220,927 | 6,566,155 | |
| Mega ALLIANCEBERNSTEIN L.P. | −3,016,159 | 32,064 | |
| Large Whale Rock Capital Management LLC | −1,297,040 | 5,528,166 | |
| Mega Capital International Investors | −1,220,888 | 10,482,971 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega Jupiter Topco LLC | 1,614,070 | $24,372,456 | |
| Large Balyasny Asset Management L.P. | 1,118,899 | $16,895,374 | |
| Large ExodusPoint Capital Management, LP | 934,136 | $14,105,453 | |
| Mega Amundi | 814,142 | $12,293,544 | |
| Large CONGRESS ASSET MANAGEMENT CO | 636,230 | $9,607,073 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large FULLER & THALER ASSET MANAGEMENT, INC. | 2,941,998 | $57,251,281 | |
| Mega AMERICAN CENTURY COMPANIES INC | 2,923,295 | $56,887,320 | |
| Large FEDERATED HERMES, INC. | 2,639,485 | $51,364,378 | |
| Mega Capital Research Global Investors | 1,348,445 | $26,240,739 | |
| Large Schonfeld Strategic Advisors LLC | 1,238,205 | $24,095,469 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Small SUMMIT PARTNERS L P | $284,676,947 | 12.65% | 18,852,778 | Shares | 2026-07-30 | |
| Mega Capital International Investors | $158,292,862 | 7.03% | 10,482,971 | Shares | 2026-08-12 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $116,160,887 | 5.16% | 7,692,774 | Shares | 2026-08-13 | |
| Mega BlackRock, Inc. | $114,942,371 | 5.11% | 7,612,078 | Shares | 2026-08-07 | |
| Mega FMR LLC | $99,148,938 | 4.40% | 6,566,155 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $90,458,966 | 4.02% | 5,990,660 | Shares | 2026-08-13 | |
| Large Whale Rock Capital Management LLC | $83,475,306 | 3.71% | 5,528,166 | Shares | 2026-08-14 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP | $76,246,150 | 3.39% | 5,049,414 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY | $67,114,726 | 2.98% | 4,444,684 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC | $62,172,241 | 2.76% | 4,117,367 | Shares | 2026-08-14 | |
| Small Sands Capital Alternatives, LLC | $59,315,004 | 2.64% | 3,928,146 | Shares | 2026-08-13 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $57,675,128 | 2.56% | 3,819,545 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $37,398,094 | 1.66% | 2,476,695 | Shares | 2026-08-12 | |
| Mega STATE STREET CORP | $35,026,533 | 1.56% | 2,319,638 | Shares | 2026-08-07 | |
| Mid Greenoaks Capital Partners LLC | $34,983,619 | 1.55% | 2,316,796 | Shares | 2026-08-14 | |
| Mega Capital World Investors | $31,668,671 | 1.41% | 2,097,263 | Shares | 2026-08-12 | |
| Mega GOLDMAN SACHS GROUP INC | $26,946,704 | 1.20% | 1,784,550 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP | $26,695,290 | 1.19% | 1,767,900 | Shares | 2026-08-14 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD Pension | $25,804,390 | 1.15% | 1,708,900 | Shares | 2026-08-14 | |
| Mega Jupiter Topco LLC | $24,372,456 | 1.08% | 1,614,070 | Shares | 2026-08-14 | |
| Large RENAISSANCE TECHNOLOGIES LLC | $23,559,684 | 1.05% | 1,560,244 | Shares | 2026-08-13 | |
| Mega FIRST TRUST ADVISORS LP | $21,029,150 | 0.93% | 1,392,659 | Shares | 2026-08-11 | |
| Mega Clearbridge Investments, LLC | $20,901,963 | 0.93% | 1,384,236 | Shares | 2026-08-13 | |
| Small Islander Capital Partners, L.P. | $20,887,890 | 0.93% | 1,383,304 | Shares | 2026-08-14 | |
| Large Fiera Capital Corp | $20,803,586 | 0.92% | 1,377,721 | Shares | 2026-08-07 | |
| Small Barton Investment Management | $18,974,780 | 0.84% | 1,256,608 | Shares | 2026-07-20 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $18,906,996 | 0.84% | 1,252,119 | Shares | 2026-08-13 | |
| Large MARSHALL WACE, LLP | $18,397,219 | 0.82% | 1,218,359 | Shares | 2026-08-13 | |
| Mega D. E. Shaw & Co., Inc. | $18,031,845 | 0.80% | 1,194,162 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $17,698,890 | 0.79% | 1,172,112 | Shares | 2026-08-14 | |
| Large Trexquant Investment LP | $17,266,487 | 0.77% | 1,143,476 | Shares | 2026-08-14 | |
| Large Point72 Asset Management, L.P. | $16,828,451 | 0.75% | 1,114,467 | Shares | 2026-08-14 | |
| Mega FRANKLIN RESOURCES INC | $16,443,280 | 0.73% | 1,088,959 | Shares | 2026-08-13 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $15,133,369 | 0.67% | 1,002,210 | Shares | 2026-08-11 | |
| Mega GOLDMAN SACHS GROUP INC | $14,936,920 | 0.66% | 989,200 | Put | 2026-08-14 | |
| Large Squarepoint Ops LLC | $14,528,253 | 0.65% | 962,136 | Shares | 2026-08-14 | |
| Small Bienville Capital Management, LLC | $14,169,145 | 0.63% | 938,354 | Shares | 2026-08-13 | |
| Large ExodusPoint Capital Management, LP | $14,105,453 | 0.63% | 934,136 | Shares | 2026-08-14 | |
| Mega Qube Research & Technologies Ltd | $13,611,064 | 0.60% | 901,395 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $13,489,298 | 0.60% | 893,331 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO | $12,347,011 | 0.55% | 817,683 | Shares | 2026-08-12 | |
| Mega Amundi | $12,293,544 | 0.55% | 814,142 | Shares | 2026-08-11 | |
| Mega UBS Group AG | $12,203,879 | 0.54% | 808,204 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $12,033,054 | 0.53% | 796,891 | Shares | 2026-08-14 | |
| Large Balyasny Asset Management L.P. | $10,855,374 | 0.48% | 718,899 | Shares | 2026-08-14 | |
| Small Delta Global Management LP | $10,428,935 | 0.46% | 690,658 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $10,239,823 | 0.45% | 678,134 | Shares | 2026-08-13 | |
| Large CONGRESS ASSET MANAGEMENT CO | $9,607,073 | 0.43% | 636,230 | Shares | 2026-07-07 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $8,933,160 | 0.40% | 591,600 | Call | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $8,663,272 | 0.38% | 573,727 | Shares | 2026-08-06 | |
| Large Quantinno Capital Management LP | $8,285,007 | 0.37% | 548,676 | Shares | 2026-08-13 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND Pension | $7,978,356 | 0.35% | 528,368 | Shares | 2026-07-29 | |
| Mid Voleon Capital Management LP | $7,208,015 | 0.32% | 477,352 | Shares | 2026-08-14 | |
| Mid XTX Topco Ltd | $7,086,128 | 0.31% | 469,280 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $6,891,640 | 0.31% | 456,400 | Call | 2026-08-14 | |
| Mid Integrated Wealth Concepts LLC | $6,577,273 | 0.29% | 435,581 | Shares | 2026-08-12 | |
| Small Morangie Management LLC | $6,087,806 | 0.27% | 403,166 | Shares | 2026-07-16 | |
| Large Balyasny Asset Management L.P. | $6,040,000 | 0.27% | 400,000 | Call | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $6,007,142 | 0.27% | 397,824 | Shares | 2026-08-14 | |
| Small TWIN FOCUS CAPITAL PARTNERS, LLC | $5,506,456 | 0.24% | 364,666 | Shares | 2026-07-28 | |
| Mega Nuveen, LLC | $5,422,817 | 0.24% | 359,127 | Shares | 2026-08-11 | |
| Mid SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | $5,206,827 | 0.23% | 344,823 | Shares | 2026-08-14 | |
| Large HUNTINGTON NATIONAL BANK Bank | $5,028,315 | 0.22% | 333,001 | Shares | 2026-08-13 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $4,798,853 | 0.21% | 317,805 | Shares | 2026-08-14 | |
| Mid Jump Financial, LLC | $4,764,050 | 0.21% | 315,500 | Shares | 2026-08-13 | |
| Mega CITADEL ADVISORS LLC | $4,756,500 | 0.21% | 315,000 | Call | 2026-08-14 | |
| Large Pathstone Holdings, LLC | $4,737,866 | 0.21% | 313,766 | Shares | 2026-08-13 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $4,645,998 | 0.21% | 307,682 | Shares | 2026-08-13 | |
| Mid ArrowMark Colorado Holdings LLC | $4,639,958 | 0.21% | 307,282 | Shares | 2026-08-13 | |
| Large CAPITAL FUND MANAGEMENT S.A. | $4,638,855 | 0.21% | 307,209 | Shares | 2026-08-13 | |
| Small FORMULA GROWTH LTD | $4,530,000 | 0.20% | 300,000 | Shares | 2026-08-17 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $4,450,483 | 0.20% | 294,734 | Shares | 2026-08-14 | |
| Mid BW Gestao de Investimentos Ltda. | $4,432,831 | 0.20% | 293,565 | Shares | 2026-08-14 | |
| Mega Swiss National Bank Bank | $4,237,060 | 0.19% | 280,600 | Shares | 2026-08-11 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $4,099,725 | 0.18% | 271,505 | Shares | 2026-08-14 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $3,884,623 | 0.17% | 257,260 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3,681,380 | 0.16% | 243,800 | Put | 2026-08-14 | |
| Mid LGT Fund Management Co Ltd. | $3,474,510 | 0.15% | 230,100 | Shares | 2026-08-10 | |
| Mid ALGERT GLOBAL LLC | $3,432,532 | 0.15% | 227,320 | Shares | 2026-08-13 | |
| Small Mayflower Financial Advisors, LLC | $3,423,170 | 0.15% | 226,700 | Shares | 2026-07-09 | |
| Mega VICTORY CAPITAL MANAGEMENT INC | $3,197,440 | 0.14% | 211,751 | Shares | 2026-08-07 | |
| Mega CITADEL ADVISORS LLC | $3,145,330 | 0.14% | 208,300 | Put | 2026-08-14 | |
| Large Walleye Trading LLC | $3,095,500 | 0.14% | 205,000 | Call | 2026-08-03 | |
| Large SANDS CAPITAL MANAGEMENT, LLC | $3,001,970 | 0.13% | 198,806 | Shares | 2026-08-13 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $2,994,088 | 0.13% | 198,284 | Shares | 2026-08-14 | |
| Large Holocene Advisors, LP | $2,914,858 | 0.13% | 193,037 | Shares | 2026-08-14 | |
| Mid Aquatic Capital Management LLC | $2,831,793 | 0.13% | 187,536 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. | $2,712,426 | 0.12% | 179,631 | Shares | 2026-08-14 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension | $2,666,660 | 0.12% | 176,600 | Shares | 2026-08-13 | |
| Mega JANE STREET GROUP, LLC | $2,651,560 | 0.12% | 175,600 | Put | 2026-08-14 | |
| Mid Y-Intercept (Hong Kong) Ltd | $2,526,365 | 0.11% | 167,309 | Shares | 2026-07-14 | |
| Mega WELLS FARGO & COMPANY/MN | $2,461,359 | 0.11% | 163,004 | Shares | 2026-08-14 | |
| Mid Brevan Howard Capital Management LP | $2,259,080 | 0.10% | 149,608 | Shares | 2026-08-14 | |
| Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $1,991,085 | 0.09% | 131,860 | Shares | 2026-08-13 | |
| Mid Engineers Gate Manager LP | $1,988,805 | 0.09% | 131,709 | Shares | 2026-08-14 | |
| Large Focus Partners Wealth | $1,978,522 | 0.09% | 131,028 | Shares | 2026-08-12 | |
| Mid Crestwood Advisors Group, LLC | $1,938,960 | 0.09% | 128,408 | Shares | 2026-08-03 | |
| Mid IMC-Chicago, LLC | $1,841,837 | 0.08% | 121,976 | Shares | 2026-08-06 | |
| Mid Shay Capital LLC | $1,774,250 | 0.08% | 117,500 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $1,724,631 | 0.08% | 114,214 | Shares | 2026-08-12 |
Key facts
CIK
1835830
CUSIP
49845K101
13F (30d)
240 filings
237 filers
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