13F Insight
DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex
SEMR

Semrush Holdings, Inc.

169 institutions still hold Semrush Holdings, Inc. as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 81686c104·169 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 7.1%
vs prior quarter
13F value held
$640M
63.0% inst. owned
of float
Holders
169
-83 QoQ
filers reporting
Activity
+63 / −90
+990 added · −783 reduced
this quarter
Concentration
16.76%
Greycroft LP #1
top holder share
AI Holders Summary · Q1 2026

169 institutions reported SEMR in Q1 2026. Greycroft LP leads at 16.8% of the visible book. -83 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Greycroft LP
CIK 0001910274
$107M9.0M73.31%Q1 202602
FIL Ltd
CIK 0000318989
$62M5.2M0.05%Q1 202603
NEXPOINT ASSET MANAGEMENT, L.P.
CIK 0001469877
$55M4.6M3.68%Q1 202604
Siguler Guff Advisers, LLC
CIK 0001328551
$51M7.3M91.75%Q3 202505
BlackRock, Inc.
CIK 0002012383
$45M3.8M0.00%Q1 202606
Vanguard Portfolio Management
CIK 0002100121
$45M3.7M0.00%Q1 202607
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$32M2.7M0.00%Q1 202608
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$25M2.1M0.01%Q1 202609
Qube Research & Technologies Ltd
CIK 0001729829
$23M1.9M0.03%Q1 202610
ODDO BHF ASSET MANAGEMENT SAS
CIK 0001686970
$21M1.8M0.85%Q1 202611
GOLDMAN SACHS GROUP INC
CIK 0000886982
$21M1.8M0.00%Q1 202612
MORGAN STANLEY
CIK 0000895421
$21M1.7M0.00%Q1 202613
ALPINE ASSOCIATES MANAGEMENT INC.
CIK 0001396835
$19M1.6M1.11%Q1 202614
AQR Arbitrage LLC
CIK 0001167456
$18M1.5M0.38%Q4 202515
SOROS FUND MANAGEMENT LLC
CIK 0001029160
$18M1.5M0.19%Q1 202616
UBS Group AG
CIK 0001610520
$17M1.4M0.00%Q1 202617
STATE STREET CORP
CIK 0000093751
$16M1.4M0.00%Q1 202618
Squarepoint Ops LLC
CIK 0001642575
$15M1.2M0.02%Q1 202619
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$14M1.2M0.01%Q1 202620
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$13M1.1M0.00%Q1 2026
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