Similarweb Ownership | Who Owns Similarweb?

Similarweb Ownership Summary

Similarweb is owned by 31.00% institutional investors, 14.45% insiders, and 54.56% retail investors. Naspers is the largest institutional shareholder, holding 13.30% of SMWB shares. CREF Total Global Stock Account R3 is the top mutual fund, with 1.22% of its assets in Similarweb shares.

SMWB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Similarweb	31.00%	14.45%	54.56%
Sector	Communication Services Stocks	27.85%	16.48%	55.67%
Industry	Internet Content & Information Stocks	32.93%	16.13%	50.94%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Naspers	11.17M	13.30%	$103.91M
Phoenix	4.29M	5.01%	$32.10M
Menora mivtachim	4.02M	4.70%	$30.08M
Migdal insurance & financial	3.11M	3.63%	$23.27M
Ulysses management	3.00M	3.57%	$27.89M
Wellington management group llp	2.46M	2.92%	$22.86M
Penn capital management company	1.59M	1.86%	$11.91M
Nuveen	1.52M	1.78%	$11.39M
Portolan capital management	1.18M	1.40%	$10.96M
Y.d. more investments	1.17M	1.37%	$8.37M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Naspers	11.17M	15.70%	$103.91M
P.a.w. capital	240.00K	3.91%	$1.80M
Alpha family trust	658.93K	2.25%	$4.94M
S squared	775.16K	2.25%	$5.81M
Scalar gauge management	441.74K	2.09%	$4.11M
Ulysses management	3.00M	2.04%	$27.89M
Sphera management technology funds	462.88K	1.36%	$4.30M
Nano cap new millennium growth fund l p	167.50K	1.07%	$1.25B
Penn capital management company	1.59M	0.95%	$11.91M
Herald investment management	600.00K	0.74%	$5.58M

Top Buyers

Holder	Shares	% Assets	Change
Wellington management group llp	2.46M	0.00%	1.53M
Phoenix	4.29M	0.35%	1.29M
Menora mivtachim	4.02M	0.14%	807.10K
Herald investment management	600.00K	0.74%	600.00K
Portolan capital management	1.18M	0.59%	451.41K

Top Sellers

Holder	Shares	% Assets	Change
Jennison associates	-	-	-1.89M
T. rowe price investment management	-	-	-1.41M
Cooper creek partners management	-	-	-1.19M
American century companies	-	-	-727.27K
Next century growth investors	-	-	-699.13K

New Positions

Holder	Shares	% Assets	Change	Value
Herald investment management	600.00K	0.74%	600.00K	$5.58M
Nano cap new millennium growth fund l p	167.50K	1.07%	167.50K	$1.25B
Sei investments	76.70K	0.00%	76.70K	$574.50K
Wolverine trading	56.14K	0.00%	56.14K	$538.97K
Nebula research & development	18.65K	0.01%	18.65K	$146.19K

Sold Out

Holder	Change
Coldstream capital management	-4.00
Farther finance advisors	-23.00
Signaturefd	-550.00
Harel insurance investments & financial services	-663.00
Walleye capital	-763.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	68	-36.45%	26,494,074	-42.06%	30	1.05%	34	-22.73%	17	-50.00%
Sep 30, 2025	104	-15.45%	44,037,164	8.87%	52	2.21%	43	-34.85%	33	10.00%
Jun 30, 2025	123	0.82%	40,459,014	-9.97%	48	1.62%	65	12.07%	31	-24.39%
Mar 31, 2025	4	-96.58%	11,449,221	-72.29%	13	0.54%	2	-97.37%	1	-95.83%
Dec 31, 2024	115	18.56%	39,592,693	11.98%	48	2.53%	75	19.05%	24	33.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
CREF Total Global Stock Account R3	1.01M	1.22%	27.64K
CREF Stock R3	941.33K	1.11%	78.41K
Vanguard International Explorer Inv	915.42K	1.11%	158.95K
Penn Capital Small Cap Equity	834.14K	1.01%	-
Jennison SMid Cap Core Equity	832.08K	1.00%	-
PGIM Jennison Small Company A	832.08K	1.00%	-
T. Rowe Price Small-Cap Value	769.67K	0.93%	-106.17K
Wellington Intl Small Cap Research	720.63K	0.87%	141.77K
Herald Ord	600.00K	0.73%	300.00K
First Eagle Small Cap Opportunity I	567.63K	0.69%	567.63K

SMWB Ownership FAQ

Who Owns Similarweb?

Similarweb shareholders are primarily institutional investors at 31.00%, followed by 14.45% insiders and 54.55% retail investors. The average institutional ownership in Similarweb's industry, Internet Content & Information Stocks , is 32.93%, which Similarweb falls below.

Who owns the most shares of Similarweb?

Similarweb’s largest shareholders are Naspers (11.17M shares, 13.30%), Phoenix (4.29M shares, 5.01%), and Menora mivtachim (4.02M shares, 4.70%). Together, they hold 23.01% of Similarweb’s total shares outstanding.

Does Blackrock own Similarweb?

BlackRock is not among the top 10 institutional shareholders of Similarweb.

Who is Similarweb’s biggest shareholder by percentage of total assets invested?

Naspers is Similarweb’s biggest shareholder by percentage of total assets invested, with 15.70% of its assets in 11.17M Similarweb shares, valued at 103.91M$.

Who is the top mutual fund holder of Similarweb shares?

CREF Total Global Stock Account R3 is the top mutual fund holder of Similarweb shares, with 1.22% of its total shares outstanding invested in 1.01M Similarweb shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools