Security key
49845K101
Klaviyo, Inc. - Series A common stock, par value $0.001 per share (the "Series A Common Stock") (KVYO)
CUSIP: 49845K101
Q1 2024 13F Holders as of 31 Mar 2024
- Security type / class
- Equity / Series A common stock, par value $0.001 per share (the "Series A Common Stock")
- Total 13F shares
- 97,210,463
- Total 13F value
- $2,473,738,867
- Share change
- +22,572,315
- Put/Call ratio
- 142%
- SEC-reported price per share
- $25.48
- Number of holders
- 129
- Value change
- +$567,238,465
- Number of buys
- 102
- Number of sells
- 40
- Shares outstanding
- 206,373,230
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2024
Institutions
129
Top holders
10
KVYO full security history
Ownership snapshot
Full 13F holder table
Klaviyo, Inc. SEC filings
Klaviyo, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of KVYO - Klaviyo, Inc. - Series A common stock, par value $0.001 per share (the "Series A Common Stock") (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
SUMMIT PARTNERS L P
Disclosed value leader
SUMMIT PARTNERS L P
Comparable rows
15/15
Latest evidence
31 Dec 2023
13F
Lead comparable stake: 23%
Showing 1-6 of 15 holder rows.
Quick read
SUMMIT PARTNERS L P leads the comparable SEC ownership view at 23%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens SUMMIT PARTNERS L P's linked filing trail.
Comparable ownership
Top 5
SUMMIT PARTNERS L P
23%
BlackRock Finance, Inc.
1.1%
Clearbridge Investments, LLC
1.1%
VANGUARD GROUP INC
1%
ALLIANCEBERNSTEIN L.P.
0.92%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| SUMMIT PARTNERS L P |
13F
Company
|
23%
|
$1,326,262,454
47,741,629 shares
|
— | 31 Dec 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
1.1%
|
$61,661,850
2,219,649 shares
|
— | 31 Dec 2023 |
| Clearbridge Investments, LLC |
13F
Company
|
1.1%
|
$60,396,425
2,174,097 shares
|
— | 31 Dec 2023 |
| VANGUARD GROUP INC |
13F
Company
|
1%
|
$58,441,147
2,103,713 shares
|
— | 31 Dec 2023 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
0.92%
|
$52,479,476
1,889,110 shares
|
— | 31 Dec 2023 |
| JPMORGAN CHASE & CO |
13F
Company
|
0.9%
|
$51,622,684
1,858,268 shares
|
— | 31 Dec 2023 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
129
Shares
97,210,463
Rows available
129
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2024 vs Q1 2024 Across Filers
Q1 2024 holders
129
Q1 2024 holders
129
Holder diff
0
| Investor | Q1 2024 Shares | Q1 2024 Shares | Share Diff | Share Chg % | Q1 2024 value | Q1 2024 value | Value change | Value Chg % |
|---|