CSS LLC/IL

Position in DV — DoubleVerify Holdings, Inc.

CIK 1103646 CHICAGO, IL

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Position in DV

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$471,507

+$16,077 QoQ

Shares Held

43,497

-9.3% QoQ

Ownership

0.028%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#148

of 313 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in DV Over Time

Shares Held

Position Value (USD)

Derivatives in DV

reported options exposure · as of Jun 30, 2026

CallValue

$1,084

CallShares

100

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Advertising Agencies

Communication Services · as of Jun 30, 2026

CSS LLC/IL holds $1,714,058 across 4 Advertising Agencies names. DV ranks #2 (27.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	OMC	Omnicom Group Inc.	15,898	$1,157,851
2	DV	DoubleVerify Holdings, Inc. This page	43,497	$471,507
3	CCO	Clear Channel Outdoor Holdings, Inc.	35,000	$84,700
4	EEX	Emerald Holding, Inc.	23,033	$0

All Filings in DV

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3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$471,507	43,497	-9.3%	Shares	Sole	2026-08-14
2026-06-30	$1,084	100	—	Call	Sole	2026-08-14
2026-03-31	$455,430	47,940	—	Shares	Sole	2026-05-15
No filing history on record for this holder in this stock.