Security key
49845K101
- Security type / class
- Equity / Series A Common Stock
- Total 13F shares
- 74,639,384
- Total 13F value
- $2,071,573,932
- Share change
- -506,727
- Put/Call ratio
- 285%
- SEC-reported price per share
- $27.78
- Number of holders
- 102
- Value change
- -$48,805,363
- Number of buys
- 72
- Number of sells
- 51
- Shares outstanding
- 160,369,885
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
Q4 2023
Institutions
102
Top holders
10
KVYO full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
Klaviyo, Inc. SEC filings
Klaviyo, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 49845K101
Recent filing periods:
Ownership snapshot
Top reported holders of KVYO - Klaviyo, Inc. - 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
Accomplice Fund I, L.P.
Disclosed value leader
SUMMIT PARTNERS L P
Comparable rows
0/15
Latest evidence
23 Oct 2023
3/4/5
13F
Highest disclosed value: $1,708,162,172
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
SUMMIT PARTNERS L P has the largest disclosed position value at $1.71B.
0 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.
Disclosed position value
Top 5
Accomplice Fund I, L.P.
$766.9K
SUMMIT PARTNERS L P
$1.71B
BlackRock Finance, Inc.
$64.56M
Clearbridge Investments, LLC
$64.32M
ALLIANCEBERNSTEIN L.P.
$54.22M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Accomplice Fund I, L.P. |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$766,864
26,720 shares
|
— | 23 Oct 2023 |
| SUMMIT PARTNERS L P |
13F
Company
|
—
denominator unverified
|
$1,708,162,172
49,511,947 shares
|
— | 30 Sep 2023 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$64,557,749
1,871,239 shares
|
— | 30 Sep 2023 |
| Clearbridge Investments, LLC |
13F
Company
|
—
denominator unverified
|
$64,316,042
1,864,233 shares
|
— | 30 Sep 2023 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
—
denominator unverified
|
$54,223,133
1,571,685 shares
|
— | 30 Sep 2023 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
denominator unverified
|
$53,092,000
1,538,897 shares
|
— | 30 Sep 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 Q4 2023
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
102
Shares
74,639,384
Rows available
102
| 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 Q4 2023 vs Q3 2023 Across Filers
Q3 2023 holders
97
Q4 2023 holders
102
Holder diff
5
| Investor | Q3 2023 Shares | Q4 2023 Shares | Share Diff | Share Chg % | Q3 2023 value | Q4 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend