Klaviyo, Inc. - Common Stock (KVYO)

CUSIP: 49845K101

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
146,298,238
Total 13F shares
158,333,716
Share change
+17,333,616
Total reported value
$5,141,090,923
Put/Call ratio
55%
Price per share
$32.47
Number of holders
259
Value change
+$589,640,441
Number of buys
144
Number of sells
147

Security key

49845K101

Report period

Q4 2025

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 by the holder's primary source 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
$522,033,423 30 Sep 2025
VANGUARD GROUP INC
13D/G 13F
The Vanguard Group · Company
10%
10,728,178
$365,938,152 $0 30 Jun 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
MORGAN STANLEY
13F
Company
7.3%
10,691,930
$296,059,567 30 Sep 2025
13F
FMR LLC
13D/G 13F
Company
6.7%
8,240,031
$228,166,449 $0 30 Sep 2025
Astral Capital ABEH, LLC
3/4/5
10%+ Owner
class O/S missing
5,129,342
$147,212,115 13 Feb 2024
Point72 Asset Management, L.P.
13F
Company
3.6%
5,235,229
$144,963,488 30 Sep 2025
13F
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
ALLIANCEBERNSTEIN L.P.
13F 13D/G
Company
4.4%
from 13D/G
4,806,677
$133,096,886 30 Sep 2025
Sands Capital Alternatives, LLC
13D/G 13F
SANDS FRANK M. · Company
4.9%
4,416,264
$127,806,680 $0 31 Mar 2025
BlackRock, Inc.
13F
Company
2.5%
3,656,889
$101,259,254 30 Sep 2025
13F
Capital Research Global Investors
13D/G 13F
Company
3.8%
3,001,500
$86,863,410 $0 31 Dec 2024
Whale Rock Capital Management LLC
13F
Company
2.1%
3,056,967
$84,647,416 30 Sep 2025
13F
CITADEL ADVISORS LLC
13F
Company
2%
2,992,498
$82,862,269 30 Sep 2025
13F
FEDERATED HERMES, INC.
13F
Company
2%
2,910,192
$80,583,216 30 Sep 2025
13F
Bank of New York Mellon Corp
13F
Company
1.7%
2,519,626
$69,768,445 30 Sep 2025
13F
GREENOAKS CAPITAL PARTNERS LLC
13F
Company
1.6%
2,316,796
$64,152,081 30 Sep 2025
13F
Clearbridge Investments, LLC
13D/G 13F
Company
3%
2,148,769
$62,185,375 $0 30 Sep 2024
AMERICAN CENTURY COMPANIES INC
13F
Company
1.4%
2,118,977
$58,674,506 30 Sep 2025
13F
FRANKLIN RESOURCES INC
13F
Company
1.3%
1,922,325
$53,229,175 30 Sep 2025
13F
JPMORGAN CHASE & CO
13F
Company
1.3%
1,907,831
$52,827,857 30 Sep 2025
13F
12 West Capital Management LP
13F
Company
1.3%
1,838,000
$50,894,220 30 Sep 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
1.2%
1,781,054
$49,317,385 30 Sep 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
1.2%
1,692,181
$46,856,492 30 Sep 2025
13F
RENAISSANCE TECHNOLOGIES LLC
13F
Company
1.2%
1,683,344
$46,611,795 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
1.1%
1,592,076
$44,084,584 30 Sep 2025
13F
TWO SIGMA ADVISERS, LP
13F
Company
1.1%
1,556,300
$43,093,947 30 Sep 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1%
1,477,386
$40,921,718 30 Sep 2025
13F
JANUS HENDERSON GROUP PLC
13F
Company
0.99%
1,454,661
$40,279,351 30 Sep 2025
13F
VOYA INVESTMENT MANAGEMENT LLC
13F
Company
0.97%
1,418,457
$39,277,074 30 Sep 2025
13F
Fiera Capital Corp
13F
Company
0.85%
1,241,946
$34,389,485 30 Sep 2025
13F
Freestone Grove Partners LP
13F
Company
0.76%
1,111,424
$30,775,331 30 Sep 2025
13F
SANDS CAPITAL MANAGEMENT, LLC
13F
Company
0.76%
1,105,559
$30,612,929 30 Sep 2025
13F
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F
Company
0.72%
1,050,543
$29,089,536 30 Sep 2025
13F
COOPER CREEK PARTNERS MANAGEMENT LLC
13F
Company
0.69%
1,012,849
$28,046,000 30 Sep 2025
13F
FIRST TRUST ADVISORS LP
13F
Company
0.63%
926,324
$25,649,911 30 Sep 2025
13F
ROYAL BANK OF CANADA
13F
Company
0.63%
921,633
$25,520,000 30 Sep 2025
13F
Schonfeld Strategic Advisors LLC
13F
Company
0.62%
913,261
$25,288,195 30 Sep 2025
13F
ArrowMark Colorado Holdings LLC
13F
Company
0.62%
900,520
$24,935,399 30 Sep 2025
13F
STATE STREET CORP
13F
Company
0.56%
817,167
$22,627,354 30 Sep 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.5%
729,889
$20,210,626 30 Sep 2025
13F
AXA Investment Managers S.A.
13F
Company
0.45%
652,018
$18,054,378 30 Sep 2025
13F
Qube Research & Technologies Ltd
13F
Company
0.44%
641,397
$17,760,283 30 Sep 2025
13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
0.43%
623,692
$17,270,031 30 Sep 2025
13F
Integrated Wealth Concepts LLC
13F
Company
0.41%
598,174
$16,563,438 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.4%
589,690
$16,328,515 30 Sep 2025
13F
BALYASNY ASSET MANAGEMENT L.P.
13F
Company
0.39%
576,571
$15,965,251 30 Sep 2025
13F

Institutional Holders of Klaviyo, Inc. - Common Stock (KVYO) as of Q4 2025

As of 31 Dec 2025, Klaviyo, Inc. - Common Stock (KVYO) was held by 259 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 158,333,716 shares. The largest 10 holders included SUMMIT PARTNERS L P, MORGAN STANLEY, VANGUARD GROUP INC, Capital International Investors, FMR LLC, ALLIANCEBERNSTEIN L.P., BlackRock, Inc., Sands Capital Alternatives, LLC, JPMORGAN CHASE & CO, and Whale Rock Capital Management LLC. This page lists 259 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
274
Q4 2025 holders
259
Holder diff
-15
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 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.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .