XTX Topco’s A10 Networks ATEN Stock Holding History

XTX Topco’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	$1.53M	Sell	41,004 -9,125	-18%	-$265K	0.02%	1375
2026 Q1	$1.16M	Buy	50,129 +6,652	+15%	+$130K	0.02%	1290
2025 Q4	$769K	Buy	+43,477	New	+$770K	0.02%	1230
2025 Q2	–	Sell	-31,621	Closed	-$517K	–	2340
2025 Q1	$517K	Buy	+31,621	New	+$607K	0.03%	1012
2024 Q3	–	Sell	-28,581	Closed	-$396K	–	2076
2024 Q2	$396K	Buy	+28,581	New	+$407K	0.03%	788
2023 Q2	–	Sell	-26,453	Closed	-$410K	–	1404
2023 Q1	$410K	Buy	26,453 +13,315	+101%	+$203K	0.09%	429
2022 Q4	$218K	Buy	13,138 +2,195	+20%	+$37.6K	0.05%	791
2022 Q3	$145K	Buy	+10,943	New	+$156K	0.04%	872
2021 Q3	–	Sell	-10,745	Closed	-$121K	–	679
2021 Q2	$121K	Buy	+10,745	New	+$104K	0.04%	635

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 $3.37T AUM 44.26% 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

XTX Topco's ATEN Position: Q2 2026 in Review

XTX Topco reduced its A10 Networks (ATEN) stake by 18% in Q2 2026, selling an estimated $265K and leaving 41,004 shares worth $1.53M. The position accounts for 0.02% of the portfolio, ranked #1375.

XTX Topco first reported a position in ATEN in Q2 2021 and has held it in 9 quarters since. 310 funds tracked by Wall St. Rank hold ATEN as of Q2 2026.

XTX Topco held 41,004 shares of A10 Networks worth $1.53M as of Q2 2026.
XTX Topco sold 9,125 A10 Networks shares in Q2 2026, an estimated $265K.
A10 Networks made up 0.02% of XTX Topco's portfolio in Q2 2026, its #1375 holding.
XTX Topco first reported a position in A10 Networks in Q2 2021 and has held it in 9 quarters since.
310 funds tracked by Wall St. Rank held A10 Networks as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.