Portolan Capital Management, LLC

Position in ZETA — Zeta Global Holdings Corp.

CIK 1350290 BOSTON, MA

Position in ZETA

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

Position Value

$29,573,883

+$21,832,449 QoQ

Shares Held

1,502,738

+209.0% QoQ

Ownership

0.299%

of shares outstanding

% of Portfolio

1.11%

of 13F equity value

Holder Rank

#27

of 414 holders

Holding Since

Sep 2023

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

Portolan Capital Management, LLC holds $345,186,039 across 13 Software - Infrastructure names. ZETA ranks #4 (8.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	QLYS	Qualys, Inc.	529,807	$72,843,164
2	FOUR	Shift4 Payments, Inc.	1,114,116	$54,190,602
3	AKAM	Akamai Technologies Inc	310,361	$36,687,773
4	ZETA	Zeta Global Holdings Corp. This page	1,502,738	$29,573,883
5	CLBT	Cellebrite DI Ltd.	1,932,514	$28,214,704
6	BAND	Bandwidth Inc.	412,701	$26,123,973
7	TWLO	Twilio Inc	115,397	$23,809,863
8	RELY	Remitly Global, Inc.	1,017,592	$22,804,236

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$29,573,883	1,502,738	+209.0%	Shares	Sole	2026-08-14
2026-03-31	$7,741,434	486,271	-63.1%	Shares	Sole	2026-05-15
2025-12-31	$26,837,518	1,318,797	+28.6%	Shares	Sole	2026-02-17
2025-09-30	$20,370,624	1,025,195	-22.1%	Shares	Sole	2025-11-13
2025-06-30	$20,380,038	1,315,690	+77.4%	Shares	Sole	2025-08-13
2025-03-31	$10,059,513	741,852	+11.7%	Shares	Sole	2025-05-15
2024-12-31	$11,951,890	664,363	-52.7%	Shares	Sole	2025-02-13
2024-09-30	$41,915,087	1,405,132	-26.8%	Shares	Sole	2024-11-14
2024-06-30	$33,873,703	1,919,190	-18.3%	Shares	Sole	2024-08-14
2024-03-31	$25,679,619	2,349,462	+77.8%	Shares	Sole	2024-05-15
2023-12-31	$11,654,192	1,321,337	+36.6%	Shares	Sole	2024-02-14
2023-09-30	$8,074,591	967,017	—	Shares	Sole	2023-11-14
No filing history on record for this holder in this stock.