Canada Pension Plan Investment Board’s A10 Networks ATEN Stock Holding History

Canada Pension Plan Investment Board’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 Q1	$1.81M	Sell	78,300 -3,700	-5%	-$72.4K	﹤0.01%	922
2025 Q4	$1.45M	Sell	82,000 -3,300	-4%	-$58.5K	﹤0.01%	994
2025 Q3	$1.55M	Sell	85,300 -13,200	-13%	-$239K	﹤0.01%	950
2025 Q2	$1.91M	Sell	98,500 -10,900	-10%	-$186K	﹤0.01%	878
2025 Q1	$1.79M	Buy	109,400 +68,200	+166%	+$1.31M	﹤0.01%	833
2024 Q4	$758K	Buy	41,200 +39,100	+1,862%	+$638K	﹤0.01%	1061
2024 Q3	$30.3K	Hold	2,100	–	–	﹤0.01%	1270
2024 Q2	$29.1K	Buy	+2,100	New	+$29.9K	﹤0.01%	1305
2022 Q1	–	Sell	-16,000	Closed	-$265K	–	1316
2021 Q4	$265K	Sell	16,000 -40,000	-71%	-$607K	﹤0.01%	1195
2021 Q3	$755K	Buy	+56,000	New	+$726K	﹤0.01%	1061

Other funds holding ATEN

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

PCM

Penserra Capital Management Orinda, California $8.52B AUM 37.76% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BTW

Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Canada Pension Plan Investment Board's ATEN Position: Q1 2026 in Review

Canada Pension Plan Investment Board reduced its A10 Networks (ATEN) stake by 4.5% in Q1 2026, selling an estimated $72.4K and leaving 78,300 shares worth $1.81M. The position accounts for ﹤0.01% of the portfolio, ranked #922.

Canada Pension Plan Investment Board first reported a position in ATEN in Q3 2021 and has held it in 10 quarters since. The position peaked at $1.91M in Q2 2025. 264 funds tracked by Wall St. Rank hold ATEN as of Q1 2026.

Canada Pension Plan Investment Board held 78,300 shares of A10 Networks worth $1.81M as of Q1 2026.
Canada Pension Plan Investment Board sold 3,700 A10 Networks shares in Q1 2026, an estimated $72.4K.
A10 Networks made up ﹤0.01% of Canada Pension Plan Investment Board's portfolio in Q1 2026, its #922 holding.
Canada Pension Plan Investment Board first reported a position in A10 Networks in Q3 2021 and has held it in 10 quarters since.
Canada Pension Plan Investment Board's A10 Networks position peaked at $1.91M in Q2 2025.
264 funds tracked by Wall St. Rank held A10 Networks as of Q1 2026.

Based on Canada Pension Plan Investment Board's 13F filing for Q1 2026, filed 15 May 2026.