SIMILARWEB LTD (SMWB) is held by 36 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is MENORA MIVTACHIM HOLDINGS LTD. as of Q2 2026.

Are institutions buying or selling SMWB?

In Q2 2026, 18 institutions opened or increased positions in SIMILARWEB LTD while 29 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on SMWB?

HoldingsIntel scores SIMILARWEB LTD across four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) — with 3 of the 4 carrying data for SMWB. In Q2 2026, the institutional leg showed net outflows: 18 buying versus 29 selling.

How many hedge funds hold SMWB?

36 institutional investors report holding SIMILARWEB LTD (SMWB) as of Q2 2026, based on SEC 13F filings.

Is institutional money flowing into SMWB?

As of Q2 2026, tracked institutions in SIMILARWEB LTD show 18 buyers versus 29 sellers — net outflows.

SIMILARWEB LTD

SMWB·M84137104·US·Common Stock·Technology - Software - Application-13D/G

Holders

(2 Elite)

$85.7M

Total Value

38% (47)

Consensus

18 buying - 29 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Held by 36 funds

2 elite

Who's Trading

Source dates: Price Oct 14, 2026 · Insiders Sep 25, 2026 · Activists Feb 24, 2026 · Congress none

InsiderOOOffer OrSell $876KSep 24, 2026

InsiderOOOffer OrSell $3KSep 24, 2026

InsiderOOOffer OrSell $242KSep 23, 2026

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	Action
MENORA MIVTACHIM HOLDINGS LTD.	Unchanged	4M	$24.6M	0.1%	-0.55%	0
WELLINGTON MANAGEMENT GROUP LLP	Increased	3.6M(+22.2%)	$22.2M	0.0%	-0.33%	34
Schonfeld Strategic Advisors LLC	Increased	1.2M(+318.6%)	$7.4M	0.0%	+56.43%	44
ARK Investment Management LLC	Increased	834,663(+137.1%)	$5.1M	0.0%	+26.07%	44
RENAISSANCE TECHNOLOGIES LLC	Decreased	713,728(-3.5%)	$4.4M	0.0%	+49.97%	0
JANE STREET GROUP, LLC	Increased	513,277(+121.9%)	$3.1M	0.0%	+22.69%	43
PEAK6 LLC	Increased	484,822(+51.0%)	$3M	0.0%	+117.81%	37
Connor, Clark & Lunn Investment Management Ltd.	Decreased	445,691(-16.5%)	$2.7M	0.0%	-15.24%	0
UBS Group AG	Increased	403,328(+103.1%)	$2.5M	0.0%	+11.10%	42
CITADEL ADVISORS LLC	Decreased	346,735(-27.2%)	$2.1M	0.0%	+66.91%	0
MORGAN STANLEY	Decreased	268,203(-54.7%)	$1.6M	0.0%	+56.41%	0
DED. E. Shaw & Co., Inc.	Increased	159,935(+173.2%)	$980,402	0.0%	+39.99%	40
SUSQUEHANNA INTERNATIONAL GROUP, LLP	New	138,417	$848,496	0.0%	+35.40%	34
BlackRock, Inc.	Increased	133,533(+4.7%)	$818,557	0.0%	-35.04%	18
TWO SIGMA INVESTMENTS, LP	Increased	129,851(+64.2%)	$795,987	0.0%	+106.01%	36
Pathstone Holdings, LLC	Increased	99,390(+97.2%)	$609,261	0.0%	+59.53%	39
STATE STREET CORP	Decreased	77,054(-29.6%)	$472,341	0.0%	-7.49%	0
Quadrature Capital Ltd	Decreased	68,207(-27.6%)	$418,109	0.0%	+209.70%	0
MWMARSHALL WACE, LLP	Decreased	60,981(-90.4%)	$373,814	0.0%	+45.61%	0
Centiva Capital, LP	Decreased	45,919(-23.6%)	$281,483	0.0%	+209.70%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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