Weiss Asset Management’s A10 Networks ATEN Stock Holding History

Weiss Asset Management’s Portfolio ATEN Stock Details ATEN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$900K	Buy	24,093 +2,463	+11%	+$71.5K	0.01%	438
2026 Q1	$500K	Buy	+21,630	New	+$423K	0.01%	400
2025 Q4	–	Sell	-23,952	Closed	-$435K	–	592
2025 Q3	$435K	Buy	+23,952	New	+$433K	0.01%	457
2025 Q1	–	Sell	-246,234	Closed	-$4.53M	–	336
2024 Q4	$4.53M	Buy	246,234 +87,272	+55%	+$1.42M	0.08%	226
2024 Q3	$2.3M	Buy	+158,962	New	+$2.14M	0.05%	309

Other funds holding ATEN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

PCM

Penserra Capital Management Orinda, California $13B AUM 71.84% 1-Year Est. Return

BTW

Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Weiss Asset Management's ATEN Position: Q2 2026 in Review

Weiss Asset Management increased its A10 Networks (ATEN) stake by 11% in Q2 2026, buying an estimated $71.5K and bringing the position to 24,093 shares worth $900K. The position accounts for 0.01% of the portfolio, ranked #438.

Weiss Asset Management first reported a position in ATEN in Q3 2024 and has held it in 5 quarters since. The position peaked at $4.53M in Q4 2024. 310 funds tracked by Wall St. Rank hold ATEN as of Q2 2026.

Weiss Asset Management held 24,093 shares of A10 Networks worth $900K as of Q2 2026.
Weiss Asset Management bought 2,463 A10 Networks shares in Q2 2026, an estimated $71.5K.
A10 Networks made up 0.01% of Weiss Asset Management's portfolio in Q2 2026, its #438 holding.
Weiss Asset Management first reported a position in A10 Networks in Q3 2024 and has held it in 5 quarters since.
Weiss Asset Management's A10 Networks position peaked at $4.53M in Q4 2024.
310 funds tracked by Wall St. Rank held A10 Networks as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.