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Horizon Investments’s A10 Networks ATEN Stock Holding History

Horizon Investments’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 		$793K Sell
34,314
-786
-2% -$15.4K 0.01% 723
2025
Q4 		$621K Buy
+35,100
New +$622K 0.01% 774
2025
Q3 		– Sell
-28,568
Closed -$553K – 1187
2025
Q2 		$553K Buy
+28,568
New +$488K 0.01% 726

Other funds holding ATEN

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $12.2B AUM 12.45% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Horizon Investments's ATEN Position: Q1 2026 in Review

Horizon Investments reduced its A10 Networks (ATEN) stake by 2.2% in Q1 2026, selling an estimated $15.4K and leaving 34,314 shares worth $793K. The position accounts for 0.01% of the portfolio, ranked #723.

Horizon Investments first reported a position in ATEN in Q2 2025 and has held it in 3 quarters since. 264 funds tracked by Wall St. Rank hold ATEN as of Q1 2026.

  • Horizon Investments held 34,314 shares of A10 Networks worth $793K as of Q1 2026.
  • Horizon Investments sold 786 A10 Networks shares in Q1 2026, an estimated $15.4K.
  • A10 Networks made up 0.01% of Horizon Investments's portfolio in Q1 2026, its #723 holding.
  • Horizon Investments first reported a position in A10 Networks in Q2 2025 and has held it in 3 quarters since.
  • 264 funds tracked by Wall St. Rank held A10 Networks as of Q1 2026.

Based on Horizon Investments's 13F filing for Q1 2026, filed 15 May 2026.