Michael Gelband’s A10 Networks ATEN Stock Holding History

Michael Gelband’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	$1.97M	Sell	52,729 -19,656	-27%	-$571K	0.01%	822
2026 Q1	$1.67M	Buy	+72,385	New	+$1.42M	0.01%	849
2025 Q4	–	Sell	-107,364	Closed	-$1.95M	–	1535
2025 Q3	$1.95M	Buy	+107,364	New	+$1.94M	0.02%	741
2025 Q1	–	Sell	-56,710	Closed	-$1.04M	–	1445
2024 Q4	$1.04M	Sell	56,710 -56,466	-50%	-$922K	0.01%	932
2024 Q3	$1.63M	Sell	113,176 -9,923	-8%	-$134K	0.01%	812
2024 Q2	$1.71M	Buy	+123,099	New	+$1.75M	0.01%	836
2023 Q2	–	Sell	-77,533	Closed	-$1.2M	–	1839
2023 Q1	$1.2M	Buy	+77,533	New	+$1.18M	0.01%	1078
2022 Q2	–	Sell	-245,796	Closed	-$3.43M	–	1919
2022 Q1	$3.43M	Buy	245,796 +126,923	+107%	+$1.78M	0.04%	536
2021 Q4	$1.97M	Buy	118,873 +65,197	+121%	+$990K	0.02%	767
2021 Q3	$724K	Buy	53,676 +30,553	+132%	+$396K	0.01%	1191
2021 Q2	$260K	Sell	23,123 -78,736	-77%	-$762K	﹤0.01%	1823
2021 Q1	$979K	Buy	101,859 +80,664	+381%	+$790K	0.01%	921
2020 Q4	$209K	Sell	21,195 -124,866	-85%	-$981K	﹤0.01%	1707
2020 Q3	$930K	Buy	+146,061	New	+$1.12M	0.02%	713
2020 Q1	–	Sell	-33,100	Closed	-$227K	–	1074
2019 Q4	$227K	Buy	+33,100	New	+$223K	﹤0.01%	1284

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

Michael Gelband's ATEN Position: Q2 2026 in Review

Michael Gelband reduced its A10 Networks (ATEN) stake by 27% in Q2 2026, selling an estimated $571K and leaving 52,729 shares worth $1.97M. The position accounts for 0.01% of the portfolio, ranked #822.

Michael Gelband first reported a position in ATEN in Q4 2019 and has held it in 15 quarters since. The position peaked at $3.43M in Q1 2022. 308 funds tracked by Wall St. Rank hold ATEN as of Q2 2026.

Michael Gelband held 52,729 shares of A10 Networks worth $1.97M as of Q2 2026.
Michael Gelband sold 19,656 A10 Networks shares in Q2 2026, an estimated $571K.
A10 Networks made up 0.01% of Michael Gelband's portfolio in Q2 2026, its #822 holding.
Michael Gelband first reported a position in A10 Networks in Q4 2019 and has held it in 15 quarters since.
Michael Gelband's A10 Networks position peaked at $3.43M in Q1 2022.
308 funds tracked by Wall St. Rank held A10 Networks as of Q2 2026.

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