Capstone Investment Advisors
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Capstone Investment Advisors’s A10 Networks ATEN Stock Holding History

Capstone Investment 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
2025
Q4 		– Sell
-27,719
Closed -$503K – 1591
2025
Q3 		$503K Buy
+27,719
New +$501K ﹤0.01% 1370
2024
Q3 		– Sell
-23,285
Closed -$322K – 1907
2024
Q2 		$322K Buy
+23,285
New +$332K ﹤0.01% 1555
2023
Q4 		– Sell
-18,142
Closed -$273K – 2105
2023
Q3 		$273K Buy
+18,142
New +$269K ﹤0.01% 1656

Other funds holding ATEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PCM
Penserra Capital Management Orinda, California $8.52B AUM 37.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $12.2B AUM 12.45% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Capstone Investment Advisors's ATEN Position: Q4 2025 in Review

Capstone Investment Advisors sold out of A10 Networks (ATEN) in Q4 2025, closing a stake of 27,719 shares — an estimated $503K sold.

Capstone Investment Advisors first reported a position in ATEN in Q3 2023 and held it in 3 quarters. The position peaked at $503K in Q3 2025. 241 funds tracked by Wall St. Rank hold ATEN as of Q4 2025.

  • Capstone Investment Advisors reported no remaining A10 Networks position as of Q4 2025 after selling out during the quarter.
  • Capstone Investment Advisors sold 27,719 A10 Networks shares in Q4 2025, an estimated $503K.
  • Capstone Investment Advisors first reported a position in A10 Networks in Q3 2023 and held it in 3 quarters.
  • Capstone Investment Advisors's A10 Networks position peaked at $503K in Q3 2025.
  • 241 funds tracked by Wall St. Rank held A10 Networks as of Q4 2025.

Based on Capstone Investment Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.