Similarweb Ownership | Who Owns Similarweb?

Similarweb Ownership Summary

Similarweb is owned by 52.40% institutional investors, 14.45% insiders, and 33.15% retail investors. Naspers is the largest institutional shareholder, holding 13.30% of SMWB shares. Strategic Advisers U.S. Total Stock is the top mutual fund, with 1.45% of its assets in Similarweb shares.

SMWB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Similarweb	52.40%	14.45%	33.15%
Sector	Communication Services Stocks	31.39%	16.65%	51.96%
Industry	Internet Content & Information Stocks	29.82%	17.44%	52.74%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Naspers	11.17M	13.30%	$103.91M
Menora mivtachim	3.21M	3.82%	$29.84M
Migdal insurance & financial	3.11M	3.70%	$28.89M
Ulysses management	3.00M	3.57%	$27.89M
Wellington management group llp	2.46M	2.92%	$22.86M
Nuveen	1.48M	1.76%	$13.79M
Y.d. more investments	1.18M	1.41%	$11.34M
Centerbook partners lp	1.18M	1.41%	$10.98M
Portolan capital management	1.18M	1.40%	$10.96M
Blackrock funding, inc. /de	945.26K	1.12%	$8.79M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Naspers	11.17M	15.70%	$103.91M
P.a.w. capital	240.00K	3.85%	$2.23M
Alpha family trust	658.93K	2.87%	$6.13M
S squared	686.67K	2.43%	$6.39M
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
Ceera investments	319.03K	0.93%	$2.97M
Herald investment management	600.00K	0.74%	$5.58M
Y.d. more investments	1.18M	0.64%	$11.34M

Top Buyers

Holder	Shares	% Assets	Change
Wellington management group llp	2.46M	0.00%	1.53M
Menora mivtachim	3.21M	0.15%	881.65K
New york state common retirement fund	849.75K	0.01%	849.75K
Herald investment management	600.00K	0.74%	600.00K
Royce & associates lp	494.33K	0.05%	494.33K

Top Sellers

Holder	Shares	% Assets	Change
Jennison associates	-	-	-1.89M
Phoenix	-	-	-1.63M
T. rowe price investment management	-	-	-1.41M
Cooper creek partners management	-	-	-1.19M
American century companies	-	-	-727.27K

New Positions

Holder	Shares	% Assets	Change	Value
New york state common retirement fund	849.75K	0.01%	849.75K	$7.90M
Herald investment management	600.00K	0.74%	600.00K	$5.58M
Royce & associates lp	494.33K	0.05%	494.33K	$4.60M
Penn capital management company	412.17K	0.28%	412.17K	$3.23M
Wolverine trading	56.14K	0.00%	56.14K	$538.97K

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 %
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%
Sep 30, 2024	97	24.36%	35,356,821	16.34%	43	2.99%	63	61.54%	18	-30.77%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Strategic Advisers U.S. Total Stock	1.23M	1.45%	951.64K
CREF Stock R3	941.33K	1.11%	78.41K
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
T. Rowe Price U.S. SC Value Eq Tr-Z	494.94K	0.60%	260.94K
T. Rowe Price U.S. SC Value Eq Tr-D	494.94K	0.59%	260.94K
Nuveen Quant Intl Small Cap Eq R6	471.98K	0.56%	37.79K
CREF Stock R1	434.64K	0.52%	127.67K
Timpani Small Cap Growth Equity	382.22K	0.46%	-177.68K

SMWB Ownership FAQ

Who Owns Similarweb?

Similarweb shareholders are primarily institutional investors at 52.40%, followed by 14.45% insiders and 33.15% retail investors. The average institutional ownership in Similarweb's industry, Internet Content & Information Stocks , is 29.82%, which Similarweb exceeds.

Who owns the most shares of Similarweb?

Similarweb’s largest shareholders are Naspers (11.17M shares, 13.30%), Menora mivtachim (3.21M shares, 3.82%), and Migdal insurance & financial (3.11M shares, 3.70%). Together, they hold 20.81% 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?

Strategic Advisers U.S. Total Stock is the top mutual fund holder of Similarweb shares, with 1.45% of its total shares outstanding invested in 1.23M 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