Martingale Asset Management’s A10 Networks ATEN Stock Holding History

Martingale 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	$1.26M	Sell	33,684 -62,539	-65%	-$1.82M	0.03%	485
2026 Q1	$2.22M	Sell	96,223 -4,287	-4%	-$83.8K	0.06%	320
2025 Q4	$1.78M	Sell	100,510 -783	-0.8%	-$13.9K	0.05%	344
2025 Q3	$1.84M	Sell	101,293 -642	-0.6%	-$11.6K	0.05%	338
2025 Q2	$1.97M	Buy	101,935 +1,062	+1%	+$18.1K	0.05%	308
2025 Q1	$1.65M	Hold	100,873	–	–	0.04%	347
2024 Q4	$1.86M	Sell	100,873 -178	-0.2%	-$2.91K	0.05%	327
2024 Q3	$1.46M	Buy	101,051 +770	+0.8%	+$10.4K	0.03%	386
2024 Q2	$1.39M	Buy	100,281 +2,989	+3%	+$42.6K	0.03%	383
2024 Q1	$1.33M	Buy	97,292 +12,369	+15%	+$166K	0.03%	393
2023 Q4	$1.12M	Sell	84,923 -4,505	-5%	-$54.6K	0.02%	430
2023 Q3	$1.34M	Sell	89,428 -50,822	-36%	-$753K	0.03%	356
2023 Q2	$2.05M	Sell	140,250 -3,090	-2%	-$44.7K	0.04%	271
2023 Q1	$2.22M	Buy	143,340 +2,701	+2%	+$41.2K	0.04%	251
2022 Q4	$2.34M	Sell	140,639 -4,490	-3%	-$76.9K	0.05%	228
2022 Q3	$1.93M	Buy	145,129 +3,716	+3%	+$52.9K	0.04%	260
2022 Q2	$2.03M	Buy	141,413 +12,929	+10%	+$187K	0.04%	268
2022 Q1	$1.79M	Sell	128,484 -14,300	-10%	-$201K	0.03%	323
2021 Q4	$2.37M	Sell	142,784 -30,305	-18%	-$460K	0.03%	271
2021 Q3	$2.33M	Buy	173,089 +87,564	+102%	+$1.14M	0.03%	259
2021 Q2	$964K	Buy	85,525 +46,496	+119%	+$450K	0.01%	413
2021 Q1	$376K	Sell	39,029 -500	-1%	-$4.89K	﹤0.01%	691
2020 Q4	$390K	Sell	39,529 -142,092	-78%	-$1.12M	﹤0.01%	685
2020 Q3	$1.16M	Sell	181,621 -126,047	-41%	-$967K	0.01%	589
2020 Q2	$2.1M	Buy	+307,668	New	+$2.07M	0.02%	516

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

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

Martingale Asset Management reduced its A10 Networks (ATEN) stake by 65% in Q2 2026, selling an estimated $1.82M and leaving 33,684 shares worth $1.26M. The position accounts for 0.03% of the portfolio, ranked #485.

Martingale Asset Management first reported a position in ATEN in Q2 2020 and has held it in 25 quarters since. The position peaked at $2.37M in Q4 2021. 310 funds tracked by Wall St. Rank hold ATEN as of Q2 2026.

Martingale Asset Management held 33,684 shares of A10 Networks worth $1.26M as of Q2 2026.
Martingale Asset Management sold 62,539 A10 Networks shares in Q2 2026, an estimated $1.82M.
A10 Networks made up 0.03% of Martingale Asset Management's portfolio in Q2 2026, its #485 holding.
Martingale Asset Management first reported a position in A10 Networks in Q2 2020 and has held it in 25 quarters since.
Martingale Asset Management's A10 Networks position peaked at $2.37M in Q4 2021.
310 funds tracked by Wall St. Rank held A10 Networks as of Q2 2026.

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