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Portolan Capital Management, LLC

Position in ATEN — A10 Networks, Inc.

CIK 1350290 BOSTON, MA

Position in ATEN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$8,477,731
+$7,768,925 QoQ
Shares Held
226,920
+395.9% QoQ
Ownership
0.313%
of shares outstanding
% of Portfolio
0.32%
of 13F equity value
Holder Rank
#55
of 312 holders
Holding Since
Jun 2022
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATEN Over Time

Shares Held

Position Value (USD)

Position in Software - Infrastructure

Technology · as of Jun 30, 2026

Portolan Capital Management, LLC holds $345,186,039 across 13 Software - Infrastructure names. ATEN ranks #11 (2.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ATEN

Export CSV
5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,477,731 226,920
2023-03-31 $708,806 45,759
2022-12-31 $682,362 41,032
2022-09-30 $3,827,864 288,460
2022-06-30 $7,582,041 527,263