DOSSIER · 13F Holders · Q1 2026Technology · Services-Prepackaged SoftwareCheap mega-capRe-rated
KVYO

KLAVIYO INC

273 institutions still hold KLAVIYO INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 49845K101·Services-Prepackaged Software·273 13F holders·last filed Mar 31, 2026
Market cap
7.4%
vs prior quarter
13F value held
$2.1B
47.0% inst. owned
of float
Holders
273
-100 QoQ
filers reporting
Activity
+46 / −57
+841 added · −774 reduced
this quarter
Concentration
17.12%
SUMMIT PARTNERS L P #1
top holder share
AI Holders Summary · Q1 2026

273 institutions reported KVYO in Q1 2026. SUMMIT PARTNERS L P leads at 17.1% of the visible book. -100 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
SUMMIT PARTNERS L P
CIK 0000830588
$367M18.9M54.74%Q1 2026
02
Capital International Investors
CIK 0001562230
$228M11.7M0.05%Q1 2026
03
FMR LLC
CIK 0000315066
$190M9.8M0.01%Q1 2026
04
Vanguard Portfolio Management
CIK 0002100121
$147M7.5M0.01%Q1 2026
05
Whale Rock Capital Management LLC
CIK 0001387322
$133M6.8M1.72%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$120M6.2M0.00%Q1 2026
07
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$107M5.5M0.02%Q1 2026
08
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$99M3.0M0.03%Q1 2026
09
MORGAN STANLEY
CIK 0000895421
$99M5.1M0.01%Q1 2026
10
BlackRock, Inc.
CIK 0002012383
$85M4.4M0.00%Q1 2026
11
JPMORGAN CHASE & CO
CIK 0000019617
$82M4.3M0.01%Q1 2026
12
Sands Capital Alternatives, LLC
CIK 0001846444
$71M3.6M16.86%Q1 2026
13
TWO SIGMA ADVISERS, LP
CIK 0001478735
$58M1.8M0.11%Q4 2025
14
FULLER & THALER ASSET MANAGEMENT, INC.
CIK 0001082327
$57M2.9M0.19%Q1 2026
15
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$57M2.9M0.03%Q1 2026
16
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$56M2.9M0.05%Q1 2026
17
FEDERATED HERMES, INC.
CIK 0001056288
$51M2.6M0.08%Q1 2026
18
Fiera Capital Corp
CIK 0001505817
$47M2.4M0.16%Q1 2026
19
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$46M2.3M0.02%Q1 2026
20
GREENOAKS CAPITAL PARTNERS LLC
CIK 0001840735
$45M2.3M1.96%Q1 2026
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