BOSTON, MA
KLAVIYO, INC.KVYO— Latest position per institution from SEC 13F filings
15
Institutional holders
116.84M
Total shares held
2.05B
Estimated value
5.84M
Avg. position size
SUMMIT PARTNERS L P
CIK 830588
Shares
18.85M
Value
284.68M
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
14.36M
Value
466.32M
Filed
Dec 31, 2025
CAPITAL INTERNATIONAL INVESTORS
CIK 1562230
Shares
10.48M
Value
158.29M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
7.69M
Value
116.16M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
7.61M
Value
114.94M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
6.57M
Value
99.15M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
5.99M
Value
90.46M
Filed
Jun 30, 2026
WHALE ROCK CAPITAL MANAGEMENT LLC
CIK 1387322
Shares
5.53M
Value
83.48M
Filed
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
5.05M
Value
76.25M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
4.44M
Value
67.11M
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
4.12M
Value
62.17M
Filed
Jun 30, 2026
SANDS CAPITAL ALTERNATIVES, LLC
CIK 1846444
Shares
3.93M
Value
59.32M
Filed
Jun 30, 2026
BANK OF AMERICA CORP /DE/
CIK 70858
Shares
3.82M
Value
57.68M
Filed
Jun 30, 2026
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 1082327
Shares
2.94M
Value
57.25M
Filed
Mar 31, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
2.92M
Value
56.89M
Filed
Mar 31, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
2.77M
Value
41.88M
Filed
Jun 30, 2026
FEDERATED HERMES, INC.
CIK 1056288
Shares
2.64M
Value
51.36M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
2.48M
Value
37.41M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.32M
Value
35.03M
Filed
Jun 30, 2026
GREENOAKS LLC
CIK 1840735
Shares
2.32M
Value
34.98M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | SUMMIT PARTNERS L P | 830588 | 18.85M | 284.68M | Jun 30, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 14.36M | 466.32M | Dec 31, 2025 |
| 3 | CAPITAL INTERNATIONAL INVESTORS | 1562230 | 10.48M | 158.29M | Jun 30, 2026 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 7.69M | 116.16M | Jun 30, 2026 |
| 5 | BLACKROCK, INC. | 2012383 | 7.61M | 114.94M | Jun 30, 2026 |
| 6 | FMR LLC | 315066 | 6.57M | 99.15M | Jun 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 5.99M | 90.46M | Jun 30, 2026 |
| 8 | WHALE ROCK CAPITAL MANAGEMENT LLC | 1387322 | 5.53M | 83.48M | Jun 30, 2026 |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 5.05M | 76.25M | Jun 30, 2026 |
| 10 | MORGAN STANLEY | 895421 | 4.44M | 67.11M | Jun 30, 2026 |
| 11 | MILLENNIUM MANAGEMENT LLC | 1273087 | 4.12M | 62.17M | Jun 30, 2026 |
| 12 | SANDS CAPITAL ALTERNATIVES, LLC | 1846444 | 3.93M | 59.32M | Jun 30, 2026 |
| 13 | BANK OF AMERICA CORP /DE/ | 70858 | 3.82M | 57.68M | Jun 30, 2026 |
| 14 | FULLER & THALER ASSET MANAGEMENT, INC. | 1082327 | 2.94M | 57.25M | Mar 31, 2026 |
| 15 | AMERICAN CENTURY COMPANIES INC | 748054 | 2.92M | 56.89M | Mar 31, 2026 |
| 16 | GOLDMAN SACHS GROUP INC | 886982 | 2.77M | 41.88M | Jun 30, 2026 |
| 17 | FEDERATED HERMES, INC. | 1056288 | 2.64M | 51.36M | Mar 31, 2026 |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 2.48M | 37.41M | Jun 30, 2026 |
| 19 | STATE STREET CORP | 93751 | 2.32M | 35.03M | Jun 30, 2026 |
| 20 | GREENOAKS LLC | 1840735 | 2.32M | 34.98M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.