13F Insight
DOSSIER · 13F Holders · Q2 2026

SIMILARWEB LTD

78 institutions still hold SIMILARWEB LTD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP M84137104·78 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$223M
visible holders
Holders
78
filers reporting
Concentration
30.74%
NASPERS LTD #1
top holder share
AI Holders Summary · Q2 2026

78 institutions reported SIMILARWEB LTD in Q2 2026. NASPERS LTD leads at 30.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
NASPERS LTD
CIK 0001106051
$68M11.2M81.19%Q2 202602
MENORA MIVTACHIM HOLDINGS LTD.
CIK 0001351917
$25M4.0M0.10%Q2 202603
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$22M3.6M0.00%Q2 202604
ION Crossover Partners Ltd
CIK 0001803307
$19M3.0M24.88%Q2 202605
Ulysses Management LLC
CIK 0001510912
$18M2.9M3.55%Q2 202606
S Squared Technology, LLC
CIK 0001322924
$10M1.7M3.21%Q2 202607
Schonfeld Strategic Advisors LLC
CIK 0001665241
$7M1.2M0.03%Q2 202608
Y.D. More Investments Ltd
CIK 0001870364
$7M1.1M0.22%Q2 202609
ARK Investment Management LLC
CIK 0001697748
$5M835K0.03%Q2 202610
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$4M714K0.01%Q2 202611
CDC Financial, Inc.
CIK 0002077836
$4M674K1.73%Q2 202612
Alpha Family Trust
CIK 0001568991
$4M659K1.62%Q2 202613
NANO CAP NEW MILLENNIUM GROWTH FUND L P
CIK 0001277890
$4M650K3.06%Q2 202614
Herald Investment Management Ltd
CIK 0001512022
$4M645K0.54%Q2 202615
P.A.W. CAPITAL CORP
CIK 0000949853
$4M640K3.00%Q2 202616
Sphera Management Technology Funds Ltd
CIK 0002030525
$4M615K1.32%Q2 202617
CenterBook Partners LP
CIK 0001872738
$4M600K0.18%Q2 202618
Lotus Technology Management, LP
CIK 0002095243
$3M531K4.18%Q2 202619
PEAK6 LLC
CIK 0001389958
$3M488K0.01%Q2 202620
Connor, Clark & Lunn Investment Management Ltd.
CIK 0001596800
$3M446K0.01%Q2 2026
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