Dimensional Fund Advisors’s A10 Networks ATEN Stock Holding History

Dimensional Fund Advisors’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 Q3	$44.2M	Buy	1,629,751 +30,622	+2%	+$900K	0.01%	1646
2026 Q2	$59.7M	Sell	1,599,129 -36,818	-2%	-$1.07M	0.01%	1496
2026 Q1	$37.8M	Sell	1,635,947 -12,841	-0.8%	-$251K	0.01%	1657
2025 Q4	$29.2M	Buy	1,648,788 +15,198	+0.9%	+$269K	0.01%	1789
2025 Q3	$29.6M	Sell	1,633,590 -80,456	-5%	-$1.46M	0.01%	1803
2025 Q2	$33.2M	Sell	1,714,046 -23,108	-1%	-$395K	0.01%	1728
2025 Q1	$28.4M	Sell	1,737,154 -83,358	-5%	-$1.6M	0.01%	1779
2024 Q4	$33.5M	Buy	1,820,512 +31,697	+2%	+$517K	0.01%	1748
2024 Q3	$25.8M	Sell	1,788,815 -30,086	-2%	-$406K	0.01%	1884
2024 Q2	$25.2M	Buy	1,818,901 +28,150	+2%	+$401K	0.01%	1848
2024 Q1	$24.5M	Buy	1,790,751 +39,632	+2%	+$533K	0.01%	1878
2023 Q4	$23.1M	Buy	1,751,119 +81,908	+5%	+$993K	0.01%	1919
2023 Q3	$25.1M	Buy	1,669,211 +80,158	+5%	+$1.19M	0.01%	1801
2023 Q2	$23.2M	Buy	1,589,053 +114,597	+8%	+$1.66M	0.01%	1855
2023 Q1	$22.8M	Buy	+1,474,456	New	+$22.5M	0.01%	1831
2022 Q3	$16.3M	Buy	1,231,992 +174,868	+17%	+$2.49M	0.01%	1927
2022 Q2	$15.2M	Buy	1,057,124 +79,306	+8%	+$1.15M	0.01%	2008
2022 Q1	$13.6M	Buy	977,818 +97,751	+11%	+$1.37M	﹤0.01%	2164
2021 Q4	$14.6M	Buy	880,067 +73,105	+9%	+$1.11M	﹤0.01%	2157
2021 Q3	$10.9M	Buy	806,962 +117,602	+17%	+$1.53M	﹤0.01%	2295
2021 Q2	$7.76M	Buy	689,360 +196,603	+40%	+$1.9M	﹤0.01%	2458
2021 Q1	$4.73M	Buy	492,757 +133,327	+37%	+$1.31M	﹤0.01%	2602
2020 Q4	$3.54M	Buy	359,430 +70,564	+24%	+$555K	﹤0.01%	2639
2020 Q3	$1.84M	Buy	288,866 +8,555	+3%	+$65.6K	﹤0.01%	2767
2020 Q2	$1.91M	Buy	280,311 +33,184	+13%	+$223K	﹤0.01%	2769
2020 Q1	$1.53M	Buy	247,127 +20,696	+9%	+$132K	﹤0.01%	2788
2019 Q4	$1.56M	Buy	226,431 +23,775	+12%	+$160K	﹤0.01%	2918
2019 Q3	$1.41M	Buy	202,656 +76,032	+60%	+$547K	﹤0.01%	2946
2019 Q2	$864K	Buy	126,624 +67,882	+116%	+$445K	﹤0.01%	3086
2019 Q1	$416K	Hold	58,742	–	–	﹤0.01%	3194
2018 Q4	$366K	Buy	+58,742	New	+$355K	﹤0.01%	3194

Other funds holding ATEN

Boston Trust Walden Boston, Massachusetts $12.4B AUM 21.62% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $13.5B AUM 16.58% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Bridge City Capital Lake Oswego, Oregon $480M AUM 47.16% 1-Year Est. Return

Summit Partners Boston, Massachusetts $491M AUM 11.09% 1-Year Est. Return

Hennion & Walsh Asset Management Parsippany, New Jersey $3.42B AUM 25.82% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Creative Planning Overland Park, Kansas $179B AUM 16.96% 1-Year Est. Return

Harbor Capital Advisors Chicago, Illinois $1.48B AUM 30.88% 1-Year Est. Return

Dimensional Fund Advisors's ATEN Position: Q3 2026 in Review

Dimensional Fund Advisors increased its A10 Networks (ATEN) stake by 1.9% in Q3 2026, buying an estimated $900K and bringing the position to 1,629,751 shares worth $44.2M. The position accounts for 0.01% of the portfolio, ranked #1646.

Dimensional Fund Advisors first reported a position in ATEN in Q4 2018 and has held it in 31 quarters since. The position peaked at $59.7M in Q2 2026. 96 funds tracked by Wall St. Rank hold ATEN as of Q3 2026.

Dimensional Fund Advisors held 1,629,751 shares of A10 Networks worth $44.2M as of Q3 2026.
Dimensional Fund Advisors bought 30,622 A10 Networks shares in Q3 2026, an estimated $900K.
A10 Networks made up 0.01% of Dimensional Fund Advisors's portfolio in Q3 2026, its #1646 holding.
Dimensional Fund Advisors first reported a position in A10 Networks in Q4 2018 and has held it in 31 quarters since.
Dimensional Fund Advisors's A10 Networks position peaked at $59.7M in Q2 2026.
96 funds tracked by Wall St. Rank held A10 Networks as of Q3 2026.

Based on Dimensional Fund Advisors's 13F filing for Q3 2026, filed 4 Nov 2026.