When was Sizmek founded?

Sizmek was founded in 1999 and raised its 1st funding round 4 years after it was founded.

Where is Sizmek located?

Sizmek is headquartered in Herzliya, Israel.

How many employees does Sizmek have?

As of Sep 30, 2026, the latest employee count at Sizmek is 138.

Is Sizmek a funded company?

Sizmek is a funded company, having raised a total of $38M across 2 funding rounds to date. The company's 1st funding round was a $***** Angel round, raised on Dec 01, 2003.

When was the latest funding round of Sizmek?

Sizmek's latest funding was a $***** Series B round on Mar 21, 2007, with participation from 0 investor. Its primary sector is AdTech. In Israel, the AdTech sector has seen $57M in funding in 2026 to date.

Where does Sizmek rank among its competitors?

Sizmek ranks 21st amongst 316 active competitors, of which 36 are funded. It stands 8th in terms of total funding among its competitors. The most recent competitor to raise funding was Quantcast, which secured $65M in Jul, 2024.

Who are the top competitors of Sizmek?

Sizmek's top competitors include AppNexus, Quantcast and The Trade Desk. Among them, Quantcast secured the most recent funding round in July, 2024.

Sizmek - 2026 Company Profile, Funding & Competitors

Sizmek is an acquired company based in Herzliya (Israel), founded in 1999. It operates as an Open Advertising Management and Technology. Sizmek has raised $38M in funding. The company has 316 active competitors, including 36 funded and 48 that have exited. Its top competitors include companies like AppNexus, Quantcast and The Trade Desk.

Company Details

Sizmek (formerly MediaMind) is an ad management technology stack. Provides Sizmek MDX platform for full campaign workflow management and reporting. Enables the advertisers to optimize their advertising creatives through Sizmek Dynamic Creative solution, which serves as an advertising CMS. Provides flexible advertising templates in Flash, VPAID and HTML5. Allows the advertisers to retarget users on multiple screens. Recently announced a strategic partnership with Tapad for cross-device viewership.

Key Metrics

Founded Year

1999

Location

Herzliya, Israel

Stage

Acquired

Total Funding

$38M in 2 rounds

Latest Funding Round

Series B, Mar 21, 2007, $*****

Investors

Sycamore Partners & 3 more

Ranked

21^st among 316 active competitors

Employee Count

138 as on Sep 30, 2026

Investment & Acquisitions

Rocket Fuel & 4 more

Similar Companies

AppNexus & 452 more

Exit Details

Acquired by Amazon (Jun 26, 2019)

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Sizmek got acquired by Amazon on Jun 26, 2019.

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Sizmek has raised a total funding of $38M over 2 rounds. Its first funding round was on Dec 01, 2003. Sizmek has 4 institutional investors.

Here is the list of recent funding rounds of Sizmek:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Mar 21, 2007	5348248	Series B	2947047	7982441	4681152	9526559
Dec 01, 2003	1093276	Angel	7161570	6174551	4768867	Insight Partners

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Sizmek's employee count trend

Sizmek has 138 employees as of Sep 26. Here is Sizmek's employee count trend over the years:

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Top competitors of Sizmek include AppNexus, Quantcast and The Trade Desk. Here is the list of Top 10 competitors of Sizmek, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	AppNexus 2007, New York City (United States), Acquired	Full Stack Programmatic Advertising Technology	$319M	Schindler AM Ventures, TriplePoint Capital ... & 17 others	73/100
2nd	Quantcast 2006, San Francisco (United States), Acquired	AI powered data management platform	$61.7M	Founders Fund, Polaris Partners & 11 others	73/100
3rd	The Trade Desk 2009, Ventura (United States), Public	Provider of a platform for data-driven, omnichannel advertising campaign management	$82.5M	Scheuermann Investment, Western Alliance Bank ... & 21 others	71/100
4th	Viant 1999, Irvine (United States), Public	Provider of a demand-side platform for programmatic advertising solutions	$15.3M	HTIF, Kennet Partners & 1 others	67/100
5th	MediaMath 2007, New York City (United States), Series D	Programmatic demand side platform	$500M	Safeguard Scientifics, QED Investors & 21 others	65/100
6th	iPinYou 2008, Beijing (China), Series C	Cross-Screen Demand-Side Platform	$98M	CBC Capital, IRIS & 9 others	62/100
7th	Turn 2004, Redwood City (United States), Acquired	Demand-side and data management platform	$160M	Greenspring Associates, Norwest & 11 others	59/100
8th	Publift 2015, Surry Hills (Australia), Acquired	Provides a cloud based sell side platform	-	-	58/100
9th	Rocket Fuel 2008, Redwood City (United States), Acquired	AI-based programmatic media-buying platform	$60M	Northgate Capital, Mohr Davidow Ventures ... & 17 others	58/100
10th	The Ozone Project 2011, London (United Kingdom), Unfunded	Digital advertising marketplace platform	-	-	56/100
21st	Sizmek 1999, Herzliya (Israel), Acquired	Open Advertising Management and Technology	$38M	Sycamore Partners, Viola Partners & 2 others	48/100

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Sizmek has not made any investments yet. Sizmek has made 5 acquisitions.

Here is the list of latest three $acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Sep 06, 2017	Acquisition	Rocket Fuel	2008	Redwood City (United States)
Nov 12, 2015	Acquisition	PointRoll	2000	King Of Prussia (United States)
May 14, 2015	Acquisition	StrikeAd	2010	New York City (United States)