Boston Partners

SEC CIK: 0001386060
Latest filing: Aug 4, 2026

SEC filings (opens in a new tab)

ATEN holding history

A10 Networks, Inc. in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ATEN overview All 13F holders of ATEN Full Q2 2026 holdings

Shares (Q2 2026): 802,469
Value: $30.0M
% of portfolio: <0.1%
Quarters held: 3; Since Q4 2025

Holdings of ATEN by Boston Partners, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	802,469	$30.0M	<0.1%	−13,321−1.6%	Reduced	Holders
Q1 2026	815,790	$19.0M	<0.1%	−24,350−2.9%	Reduced	Holders
Q4 2025	840,140	$14.8M	<0.1%	+840,140	New	Holders