Joel Greenblatt’s A10 Networks ATEN Stock Holding History

Joel Greenblatt’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	$738K	Sell	19,741 -141	-0.7%	-$4.1K	﹤0.01%	1419
2026 Q1	$460K	Sell	19,882 -14,692	-42%	-$287K	﹤0.01%	1509
2025 Q4	$612K	Sell	34,574 -5,571	-14%	-$98.7K	﹤0.01%	1384
2025 Q3	$729K	Buy	+40,145	New	+$726K	﹤0.01%	1293
2023 Q4	–	Sell	-21,674	Closed	-$326K	–	1334
2023 Q3	$326K	Sell	21,674 -4,429	-17%	-$65.6K	0.01%	1095
2023 Q2	$381K	Sell	26,103 -10,732	-29%	-$155K	0.01%	1056
2023 Q1	$571K	Buy	36,835 +221	+0.6%	+$3.37K	0.01%	914
2022 Q4	$609K	Sell	36,614 -12,357	-25%	-$212K	0.02%	833
2022 Q3	$650K	Buy	48,971 +10,505	+27%	+$149K	0.02%	784
2022 Q2	$553K	Sell	38,466 -15,143	-28%	-$219K	0.02%	755
2022 Q1	$748K	Buy	53,609 +38,884	+264%	+$547K	0.02%	664
2021 Q4	$244K	Buy	+14,725	New	+$224K	0.01%	1020
2021 Q3	–	Sell	-11,627	Closed	-$131K	–	1019
2021 Q2	$131K	Sell	11,627 -1,049	-8%	-$10.2K	0.01%	965
2021 Q1	$122K	Sell	12,676 -7,220	-36%	-$70.7K	0.01%	968
2020 Q4	$196K	Sell	19,896 -231	-1%	-$1.81K	0.01%	936
2020 Q3	$128K	Buy	+20,127	New	+$154K	﹤0.01%	975
2017 Q2	–	Sell	-11,311	Closed	-$103K	–	962
2017 Q1	$103K	Buy	+11,311	New	+$100K	﹤0.01%	954

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

Joel Greenblatt's ATEN Position: Q2 2026 in Review

Joel Greenblatt reduced its A10 Networks (ATEN) stake by 0.71% in Q2 2026, selling an estimated $4.1K and leaving 19,741 shares worth $738K. The position accounts for ﹤0.01% of the portfolio, ranked #1419.

Joel Greenblatt first reported a position in ATEN in Q1 2017 and has held it in 17 quarters since. The position peaked at $748K in Q1 2022. 308 funds tracked by Wall St. Rank hold ATEN as of Q2 2026.

Joel Greenblatt held 19,741 shares of A10 Networks worth $738K as of Q2 2026.
Joel Greenblatt sold 141 A10 Networks shares in Q2 2026, an estimated $4.1K.
A10 Networks made up ﹤0.01% of Joel Greenblatt's portfolio in Q2 2026, its #1419 holding.
Joel Greenblatt first reported a position in A10 Networks in Q1 2017 and has held it in 17 quarters since.
Joel Greenblatt's A10 Networks position peaked at $748K in Q1 2022.
308 funds tracked by Wall St. Rank held A10 Networks as of Q2 2026.

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