Klaviyo, Inc. - Common Stock (KVYO)

CUSIP: 49845K101

Q1 2026 13F Holders as of 31 Mar 2026

Type / Class
Equity / Common Stock
Shares outstanding
146,298,238
Total 13F shares
154,210,368
Share change
+323,950
Total reported value
$2,998,817,865
Put/Call ratio
54%
Price per share
$19.46
Number of holders
259
Value change
-$130,860,397
Number of buys
165
Number of sells
103

Security key

49845K101

Report period

Q1 2026

Institutions

259

Top holders

10

Top shareholders of KVYO - Klaviyo, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: 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.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Bialecki Andrew
13D/G
35%
78,163,529
$2,233,913,659 -$139,680,634 31 Dec 2025
Hallen Ed
13D/G 3/4/5
Director, 10%+ Owner
19%
32,879,098
$910,422,224 $0 30 Sep 2025
SHOPIFY INC.
13D/G
Shopify Strategic Holdings 3 LLC
19%
32,027,518
$886,841,973 +$28,607,813 29 Aug 2025
SUMMIT PARTNERS L P
13F 13D/G 3/4/5
Company · 10%+ Owner
12%
from 13D/G
18,852,778
$612,149,702 31 Dec 2025
Accomplice Fund I, L.P.
13D/G 3/4/5
Jeff Fagnan · 10%+ Owner
10%
11,137,154
$322,309,237 $0 31 Mar 2025
VANGUARD GROUP INC
13F 13D/G
Company · The Vanguard Group
10%
from 13D/G
14,361,540
$466,319,204 31 Dec 2025
Capital International Investors
13F 13D/G
Company
8%
from 13D/G
12,788,846
$415,253,830 31 Dec 2025
FMR LLC
13F 13D/G
Company
6.7%
from 13D/G
8,371,717
$271,829,648 31 Dec 2025
Accel Growth Fund V L.P.
13D/G
Ping Li ("PL")
4.9%
4,658,363
$134,813,025 +$1,126,576 31 Mar 2025
Sands Capital Alternatives, LLC
13D/G 13F
SANDS FRANK M. · Company
4.9%
4,416,264
$127,806,680 $0 31 Mar 2025
ALLIANCEBERNSTEIN L.P.
13F 13D/G
Company
4.4%
from 13D/G
4,731,312
$153,625,701 31 Dec 2025
MORGAN STANLEY
13F 13D/G
Company
4.1%
from 13D/G
14,547,090
$472,344,030 31 Dec 2025
Capital Research Global Investors
13D/G 13F
Company
3.8%
3,001,500
$86,863,410 $0 31 Dec 2024
Clearbridge Investments, LLC
13D/G 13F
Company
3%
2,148,769
$62,185,375 $0 30 Sep 2024
Jennifer Ceran
3/4/5
Director
0.02%
30,691
$564,100 +$300,311 12 Feb 2026
BlackRock, Inc.
13F
Company
2.5%
3,716,334
$120,669,364 31 Dec 2025
13F
JPMORGAN CHASE & CO
13F
Company
2.4%
3,564,743
$115,747,232 31 Dec 2025
13F
Whale Rock Capital Management LLC
13F
Company
2.1%
3,057,889
$99,289,656 31 Dec 2025
13F
FEDERATED HERMES, INC.
13F
Company
2%
2,900,807
$94,189,203 31 Dec 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
2%
2,895,304
$94,010,573 31 Dec 2025
13F
FULLER & THALER ASSET MANAGEMENT, INC.
13F
Company
2%
2,854,163
$92,674,663 31 Dec 2025
13F
Fiera Capital Corp
13F
Company
1.6%
2,331,650
$75,708,675 31 Dec 2025
13F
GREENOAKS CAPITAL PARTNERS LLC
13F
Company
1.6%
2,316,796
$75,226,366 31 Dec 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
1.5%
2,224,011
$72,213,637 31 Dec 2025
13F
FRANKLIN RESOURCES INC
13F
Company
1.4%
1,980,269
$64,299,347 31 Dec 2025
13F
12 West Capital Management LP
13F
Company
1.3%
1,838,000
$59,679,860 31 Dec 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
1.2%
1,782,500
$57,877,775 31 Dec 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
1.2%
1,763,744
$57,268,768 31 Dec 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
1.2%
1,700,502
$55,215,300 31 Dec 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.1%
1,672,727
$54,330,537 31 Dec 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
1%
1,524,043
$49,485,676 31 Dec 2025
13F
NORGES BANK
13F
Company
1%
1,518,330
$49,300,175 31 Dec 2025
13F
Bank of New York Mellon Corp
13F
Company
0.95%
1,384,657
$44,959,802 31 Dec 2025
13F
Ancora Advisors LLC
13F
Company
0.91%
1,330,755
$43,209,615 31 Dec 2025
13F
VOYA INVESTMENT MANAGEMENT LLC
13F
Company
0.86%
1,258,320
$40,857,650 31 Dec 2025
13F
Capital World Investors
13F
Company
0.78%
1,147,935
$37,273,449 31 Dec 2025
13F
STATE STREET CORP
13F
Company
0.72%
1,051,455
$34,140,744 31 Dec 2025
13F
Bienville Capital Management, LLC
13F
Company
0.66%
969,263
$31,471,970 31 Dec 2025
13F
SANDS CAPITAL MANAGEMENT, LLC
13F
Company
0.63%
928,755
$30,156,675 31 Dec 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.61%
893,157
$29,000,807 31 Dec 2025
13F
JANUS HENDERSON GROUP PLC
13F
Company
0.61%
886,778
$28,793,987 31 Dec 2025
13F
Point72 Asset Management, L.P.
13F
Company
0.6%
876,853
$28,471,417 31 Dec 2025
13F
ArrowMark Colorado Holdings LLC
13F
Company
0.56%
815,605
$26,482,694 31 Dec 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.55%
809,429
$26,282,160 31 Dec 2025
13F
FIRST TRUST ADVISORS LP
13F
Company
0.55%
806,928
$26,200,952 31 Dec 2025
13F
Delta Global Management LP
13F
Company
0.54%
785,308
$25,498,951 31 Dec 2025
13F
Shannon River Fund Management LLC
13F
Company
0.5%
729,703
$23,693,457 31 Dec 2025
13F
Schonfeld Strategic Advisors LLC
13F
Company
0.48%
701,316
$22,771,730 31 Dec 2025
13F
Walleye Capital LLC
13F
Company
0.46%
677,574
$22,000,828 31 Dec 2025
13F
Barton Investment Management
13F
Company
0.46%
670,042
$21,756,264 31 Dec 2025
13F

Institutional Holders of Klaviyo, Inc. - Common Stock (KVYO) as of Q1 2026

As of 31 Mar 2026, Klaviyo, Inc. - Common Stock (KVYO) was held by 259 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 154,210,368 shares. The largest 10 holders included SUMMIT PARTNERS L P, Capital International Investors, FMR LLC, VANGUARD PORTFOLIO MANAGEMENT LLC, Whale Rock Capital Management LLC, VANGUARD CAPITAL MANAGEMENT LLC, WELLINGTON MANAGEMENT GROUP LLP, MORGAN STANLEY, BlackRock, Inc., and JPMORGAN CHASE & CO. This page lists 259 institutional shareholders reporting positions in this security for the Q1 2026 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
260
Q1 2026 holders
259
Holder diff
-1
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 Value $ Q1 2026 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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