SIMPLEX TRADING, LLC

Position in PUBM — PubMatic, Inc.

CIK 1488542 CHICAGO, IL

Position in PUBM

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$774,749

+$603,059 QoQ

Shares Held

59,051

+181.3% QoQ

Ownership

0.130%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#55

of 152 holders

Holding Since

Jun 2021

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $69,106,527 across 79 Software - Application names. PUBM ranks #13 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NOW	ServiceNow, Inc.	291,808	$28,970,698
2	DUOL	Duolingo, Inc.	53,120	$6,109,862
3	CRM	Salesforce, Inc.	26,181	$4,101,515
4	FROG	JFrog Ltd	39,699	$3,607,845
5	TEAM	Atlassian Corp	34,025	$2,646,804
6	CDNS	Cadence Design Systems Inc	4,840	$1,816,548
7	FIG	Figma, Inc.	98,975	$1,790,457
8	GRAB	Grab Holdings Ltd	409,315	$1,543,117

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$774,749	59,051	+181.3%	Shares	Sole	2026-08-12
2026-03-31	$171,690	20,989	+85.3%	Shares	Sole	2026-05-14
2025-12-31	$100,470	11,327	-61.5%	Shares	Sole	2026-02-11
2025-06-30	$366,134	29,432	+8.0%	Shares	Sole	2025-08-05
2025-03-31	$249,119	27,256	-0.7%	Shares	Sole	2025-05-12
2023-09-30	$332,036	27,441	-48.5%	Shares	Sole	2023-11-01
2023-06-30	$973,227	53,240	+94.4%	Shares	Sole	2023-08-04
2023-03-31	$378,419	27,382	-16.6%	Shares	Sole	2023-04-27
2022-12-31	$420,718	32,843	-44.0%	Shares	Sole	2023-02-02
2022-09-30	$975,432	58,655	+855.9%	Shares	Sole	2022-11-04
2022-03-31	$160,272	6,136	-68.8%	Shares	Sole	2022-05-02
2021-12-31	$669,627	19,666	+307.7%	Shares	Sole	2022-02-23
2021-09-30	$127,112	4,824	+0.1%	Shares	Sole	2021-10-28
2021-06-30	$188,356	4,821	—	Shares	Sole	2021-08-12
No filing history on record for this holder in this stock.