Similarweb Ownership | Who Owns Similarweb?

Similarweb Ownership Summary

Similarweb is owned by 48.67% institutional investors, 14.69% insiders, and 36.65% retail investors. Naspers is the largest institutional shareholder, holding 13.44% of SMWB shares. CREF Stock R3 is the top mutual fund, with 1.02% of its assets in Similarweb shares.

SMWB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Similarweb	48.67%	14.69%	36.65%
Sector	Communication Services Stocks	46.39%	16.16%	37.45%
Industry	Internet Content & Information Stocks	51.39%	16.47%	32.13%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Naspers	11.17M	13.44%	$87.60M
Migdal insurance & financial	3.01M	3.62%	$23.57M
Ulysses management	3.00M	3.61%	$23.51M
Menora mivtachim	2.33M	2.80%	$18.24M
Phoenix	1.63M	1.96%	$21.06M
Schonfeld strategic advisors	1.59M	1.96%	$22.54M
Y.d. more investments	1.23M	1.48%	$9.68M
Scalar gauge management	1.12M	1.34%	$8.75M
Connor, clark & lunn investment management	920.67K	1.11%	$7.22M
Alpha family trust	851.67K	1.02%	$6.68M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Naspers	11.17M	12.30%	$87.60M
P.a.w. capital	400.00K	10.81%	$5.67M
Scalar gauge management	1.12M	4.99%	$8.75M
Alpha family trust	851.67K	3.31%	$6.68M
Ulysses management	3.00M	2.37%	$23.51M
S squared	686.67K	2.27%	$5.38M
Ceera investments	319.03K	0.77%	$2.50M
Essex investment management	264.82K	0.67%	$3.75M
Y.d. more investments	1.23M	0.67%	$9.68M
Palogic value management	117.42K	0.38%	$920.60K

Top Buyers

Holder	Shares	% Assets	Change
Schonfeld strategic advisors	1.59M	0.13%	1.59M
Penn capital management company	412.17K	0.28%	412.17K
Portolan capital management	727.59K	0.36%	357.40K
Ulysses management	3.00M	2.37%	249.77K
Migdal insurance & financial	3.01M	0.28%	243.60K

Top Sellers

Holder	Shares	% Assets	Change
Jennison associates	-	-	-1.89M
T. rowe price investment management	-	-	-1.41M
Cooper creek partners management	-	-	-1.19M
Phoenix	1.63M	0.28%	-956.80K
American century companies	-	-	-727.27K

New Positions

Holder	Shares	% Assets	Change	Value
Schonfeld strategic advisors	1.59M	0.13%	1.59M	$22.54M
Penn capital management company	412.17K	0.28%	412.17K	$3.23M
Qube research	111.93K	0.00%	111.93K	$877.52K
Formula growth	100.00K	0.30%	100.00K	$784.00K
Bnp paribas arbitrage, snc	88.50K	0.00%	88.50K	$1.25M

Sold Out

Holder	Change
Coldstream capital management	-4.00
Farther finance advisors	-23.00
Tower research capital llc (trc)	-408.00
Signaturefd	-550.00
Harel insurance investments & financial services	-663.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Jun 30, 2024	78	1.30%	30,389,905	1.29%	38	2.62%	39	-11.36%	26	44.44%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
CREF Stock R3	862.92K	1.02%	42.11K
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
CREF Stock R1	434.64K	0.52%	127.67K
Nuveen Quant Intl Small Cap Eq R6	434.19K	0.51%	16.90K
Timpani Small Cap Growth Equity	382.22K	0.46%	-177.68K
Penn Capital Micro Cap Equity	364.65K	0.44%	84.93K

SMWB Ownership FAQ

Who Owns Similarweb?

Similarweb shareholders are primarily institutional investors at 48.67%, followed by 14.69% insiders and 36.64% retail investors. The average institutional ownership in Similarweb's industry, Internet Content & Information Stocks , is 51.39%, which Similarweb falls below.

Who owns the most shares of Similarweb?

Similarweb’s largest shareholders are Naspers (11.17M shares, 13.44%), Migdal insurance & financial (3.01M shares, 3.62%), and Ulysses management (3M shares, 3.61%). Together, they hold 20.66% 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 12.30% of its assets in 11.17M Similarweb shares, valued at 87.6M$.

Who is the top mutual fund holder of Similarweb shares?

CREF Stock R3 is the top mutual fund holder of Similarweb shares, with 1.02% of its total shares outstanding invested in 862.92K Similarweb shares.

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