SEC ownership of SEMrush Holdings, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001831840.

Comparable stake leader

Shchegolev Oleg

Disclosed value leader

Shchegolev Oleg

Comparable rows

50/50

Latest evidence

10 Apr 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Shchegolev Oleg
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
10 Apr 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001831840
Issuer location
Boston, MA

Ownership snapshot

Top shareholders of SEMrush Holdings, Inc. (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
Shchegolev Oleg
Disclosed value leader
Shchegolev Oleg
Comparable rows
50/50
Latest evidence
10 Apr 2026
13D/G 13F 3/4/5 Lead comparable stake: 33% 13D/G row: Shchegolev Oleg Showing 1-8 of 50 holder rows.

Quick read

Shchegolev Oleg leads the comparable SEC ownership view at 33%.

50 of 50 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 Shchegolev Oleg's linked filing trail.
Comparable ownership Top 5
Shchegolev Oleg 33%
Melnikov Dmitry 18%
GLAZER CAPITAL, LLC 5.6%
CAT ROCK CAPITAL MANAGEMENT LP 4.5%
Katryn Shineman Blake 0.05%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Shchegolev Oleg
13D/G
33%
$447,516,898
49,449,381 shares
-$22,096,018 30 Jun 2025
Melnikov Dmitry
13D/G
18%
$268,727,414
26,320,021 shares
-$992,637 31 Mar 2025
GLAZER CAPITAL, LLC
13D/G 13F
Company
5.6%
$86,919,032
7,279,468 shares
$0 10 Apr 2026
CAT ROCK CAPITAL MANAGEMENT LP
13D/G
4.5%
$56,378,405
5,521,881 shares
$0 31 Dec 2024
Katryn Shineman Blake
3/4/5
Director
0.05%
$698,976
68,393 shares
09 Jun 2025
Greycroft LP
13F
Company
13F
6.9%
$107,267,766
8,983,900 shares
31 Mar 2026
FIL Ltd
13F
Company
13F
4%
$62,250,097
5,213,576 shares
31 Mar 2026
NEXPOINT ASSET MANAGEMENT, L.P.
13F
Company
13F
3.5%
$54,898,568
4,597,870 shares
31 Mar 2026
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.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$12,756,870.

Buys
$0
Insiders: 0
Sells
$12,756,870
Insiders: 6
Net
-$12,756,870
Shares: -1,075,635
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 1,075,635
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 742,870 $0 $8,849,404 -$8,849,404
6-9 0 324,357 $0 $3,843,009 -$3,843,009
9-12 0 8,408 $0 $64,457 -$64,457

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 20 reporting-owner rows connected to SEMrush Holdings, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
20
Largest Forms 3/4/5 holder
Greycroft Growth II, L.P.
Net 12M change
-$12,756,870
Latest report
28 Apr 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Greycroft Growth II, L.P. 10%+ Owner $129,895,521 Mixed 02 Mar 2022
SEMR Holdings Ltd. 10%+ Owner $115,797,586 Mixed 28 Jun 2023
Vitalii Obishchenko Chief Operating Officer $11,414,505 Filing P/S 01 Mar 2025
Evgeny Fetisov Chief Financial Officer $1,676,739 Mixed 03 Apr 2023
Delbert M. Humenik Chief Revenue Officer $1,116,004 Mixed 06 Jan 2023
Katryn Shineman Blake Director $698,976 Mixed 09 Jun 2025
Roman Simonov Director $428,719 Mixed 25 Jul 2023
Dylan Pearce Director $0 Mixed 28 Apr 2026
William R. Wagner Chief Executive Officer, Director $0 Mixed 28 Apr 2026
Brian Mulroy Chief Financial Officer $0 -$1,186,925 -100% Mixed 28 Apr 2026
Shchegolev Oleg Chief Technology Officer, Director, 10%+ Owner $0 -$2,386,000 -100% Mixed 28 Apr 2026
Andrew Warden Chief Marketing Officer $0 -$3,180,976 -100% Mixed 28 Apr 2026
Eugenie Levin President $0 -$4,814,606 -100% Mixed 28 Apr 2026
Katryn Blake Director $0 Mixed 28 Apr 2026
David W. Mason Chief Legal Officer $0 -$1,161,648 -100% Mixed 28 Apr 2026
Caroline J. Tsay Director $0 Mixed 28 Apr 2026
Melnikov Dmitry Director, 10%+ Owner $0 -$26,715 -100% Mixed 28 Apr 2026
Steven Aldrich Director $0 Mixed 28 Apr 2026
Mark Vranesh Director $0 Mixed 28 Apr 2026
Anna Baird Director $0 Mixed 28 Apr 2026

Recent insider transactions for SEMrush Holdings, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Andrew Warden SEMR Class A Common Stock Disposed to Issuer -100% -338,903 0 28 Apr 2026 Direct
Andrew Warden SEMR Stock Option (Right to Buy) Disposed to Issuer -100% -220,229 0 28 Apr 2026 Direct
Brian Mulroy SEMR Class A Common Stock Disposed to Issuer -100% -1,015,576 0 28 Apr 2026 Direct
Brian Mulroy SEMR Stock Option (Right to Buy) Disposed to Issuer -100% -222,816 0 28 Apr 2026 Direct
Eugenie Levin SEMR Class A Common Stock Disposed to Issuer -100% -577,985 0 28 Apr 2026 Direct
Eugenie Levin SEMR Class B Common Stock Disposed to Issuer -100% -1,149,408 0 28 Apr 2026 Direct
Eugenie Levin SEMR Stock Option (Right to Buy) Disposed to Issuer -100% -286,623 0 28 Apr 2026 Direct
Oleg Shchegolev SEMR Class A Common Stock Disposed to Issuer -100% -3,282,040 0 28 Apr 2026 Shchegolev Holdings, LLC
Oleg Shchegolev SEMR Class A Common Stock Disposed to Issuer -100% -26,739,320 0 28 Apr 2026 The Oleg Shchegolev Irrevocable Non-Exempt Trust of 2020
Oleg Shchegolev SEMR Class A Common Stock Disposed to Issuer -100% -7,167,655 0 28 Apr 2026 Direct
Oleg Shchegolev SEMR Class B Common Stock Disposed to Issuer -100% -10,082,415 0 28 Apr 2026 The Oleg Shchegolev Irrevocable Non-Exempt Trust of 2020
Oleg Shchegolev SEMR Class B Common Stock Disposed to Issuer -100% -2,000,000 0 28 Apr 2026 Direct
Oleg Shchegolev SEMR Stock Option (Right to Buy) Disposed to Issuer -100% -716,560 0 28 Apr 2026 Direct
David W. Mason SEMR Class A Common Stock Disposed to Issuer -100% -271,248 0 28 Apr 2026 Direct
David W. Mason SEMR Stock Option (Right to Buy) Disposed to Issuer -100% -144,717 0 28 Apr 2026 Direct
Dmitry Melnikov SEMR Class A Common Stock Disposed to Issuer -100% -1,343,131 0 28 Apr 2026 The Dmitry Melnikov Grantor Retained Annuity Trust - Five
Dmitry Melnikov SEMR Class A Common Stock Disposed to Issuer 0 0 28 Apr 2026 The Dmitry Melnikov Grantor Retained Annuity Trust - Four
Dmitry Melnikov SEMR Class A Common Stock Disposed to Issuer -100% -5,924,595 0 28 Apr 2026 Min Choron LLC
Dmitry Melnikov SEMR Class A Common Stock Disposed to Issuer -100% -8,998,437 0 28 Apr 2026 The Melnikov Family GRAT Remainder Trust
Dmitry Melnikov SEMR Class A Common Stock Disposed to Issuer -100% -2,680,916 0 28 Apr 2026 Direct
Dmitry Melnikov SEMR Class B Common Stock Disposed to Issuer -100% -7,387,995 0 28 Apr 2026 The Melnikov Family GRAT Remainder Trust
Dmitry Melnikov SEMR Stock Option (Right to Buy) Disposed to Issuer -100% -119,426 0 28 Apr 2026 Direct
William Raymond Wagner SEMR Class A Common Stock Disposed to Issuer -100% -1,630,097 0 28 Apr 2026 Direct
Dylan Pearce SEMR Class A Common Stock Disposed to Issuer -100% -58,463 0 28 Apr 2026 Direct
Caroline J. Tsay SEMR Class A Common Stock Disposed to Issuer -100% -44,389 0 28 Apr 2026 Direct
Katryn Blake SEMR Class A Common Stock Disposed to Issuer -100% -68,393 0 28 Apr 2026 Direct
Katryn Blake SEMR Stock Option (Right to Buy) Disposed to Issuer -100% -60,000 0 28 Apr 2026 Direct
Anna Baird SEMR Class A Common Stock Disposed to Issuer -100% -44,518 0 28 Apr 2026 Direct
Steven Aldrich SEMR Class A Common Stock Disposed to Issuer -100% -56,886 0 28 Apr 2026 Direct
Mark Vranesh SEMR Class A Common Stock Disposed to Issuer -100% -116,693 0 28 Apr 2026 Direct
Mark Vranesh SEMR Stock Option (Right to Buy) Disposed to Issuer -100% -170,700 0 28 Apr 2026 Direct
Brian Mulroy SEMR Class A Common Stock Tax liability -0.39% -3,941 1,015,576 10 Apr 2026 Direct
Oleg Shchegolev SEMR Class A Common Stock Tax liability -0.09% -6,533 7,167,655 01 Apr 2026 Direct
Eugenie Levin SEMR Class A Common Stock Tax liability -0.47% -2,727 577,985 01 Apr 2026 Direct
Andrew Warden SEMR Class A Common Stock Tax liability -0.82% -2,801 338,903 01 Apr 2026 Direct
Eugenie Levin SEMR Class A Common Stock Sale -41% $4,814,606 $11.91 -404,249 580,712 13 Mar 2026 Direct
Oleg Shchegolev SEMR Class A Common Stock Sale -2.71% $2,386,000 $11.93 -200,000 7,174,188 09 Mar 2026 Direct
David W. Mason SEMR Class A Common Stock Sale -26.4% $1,161,648 $11.93 -97,372 271,248 05 Mar 2026 Direct
Andrew Warden SEMR Class A Common Stock Sale -10.8% $487,151 $11.81 -41,249 341,704 02 Mar 2026 Direct
Dmitry Melnikov SEMR Class A Common Stock Purchase 3.55% 66,667 1,946,479 10 Feb 2026 Direct
Oleg Shchegolev SEMR Class A Common Stock Purchase 4.59% 144,000 3,282,040 10 Feb 2026 Shchegolev Holdings, LLC
Dmitry Melnikov SEMR Class A Common Stock Sale -0.07% $16,648 $11.90 -1,399 1,879,812 07 Jan 2026 Direct
William Raymond Wagner SEMR Class A Common Stock Tax liability -12.1% -224,220 1,630,097 26 Dec 2025 Direct
Brian Mulroy SEMR Class A Common Stock Sale -8.94% $1,186,925 $11.86 -100,078 1,019,517 16 Dec 2025 Direct
Dmitry Melnikov SEMR Class A Common Stock Gift 3.62% 314,778 8,998,437 15 Dec 2025 The Melnikov Family GRAT Remainder Trust
Dmitry Melnikov SEMR Class A Common Stock Gift -100% -314,778 0 15 Dec 2025 The Dmitry Melnikov Grantor Retained Annuity Trust - Three
Brian Mulroy SEMR Class A Common Stock Tax liability -8.12% -98,941 1,119,595 15 Dec 2025 Direct
Brian Mulroy SEMR Class A Common Stock Award 38.3% 337,268 1,218,536 15 Dec 2025 Direct
Andrew Warden SEMR Class A Common Stock Sale -6.53% $317,433 $11.86 -26,765 382,953 15 Dec 2025 Direct
Andrew Warden SEMR Class A Common Stock Award 70% 168,634 409,718 15 Dec 2025 Direct
* marks a reported price that did not pass the local price check.
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