Assenagon Asset Management
ATEN icon

Assenagon Asset Management’s A10 Networks ATEN Stock Holding History

Assenagon Asset Management’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
-200,510
Closed -$3.64M – 1154
2025
Q3 		$3.64M Buy
+200,510
New +$3.63M 0.01% 684
2025
Q2 		– Sell
-18,065
Closed -$295K – 1157
2025
Q1 		$295K Buy
+18,065
New +$347K ﹤0.01% 1080
2024
Q4 		– Sell
-831,261
Closed -$12M – 1328
2024
Q3 		$12M Sell
831,261
-115,633
-12% -$1.56M 0.02% 488
2024
Q2 		$13.1M Buy
946,894
+308,000
+48% +$4.39M 0.03% 380
2024
Q1 		$8.75M Buy
638,894
+261,198
+69% +$3.51M 0.02% 464
2023
Q4 		$4.97M Sell
377,696
-264,199
-41% -$3.2M 0.01% 639
2023
Q3 		$9.65M Sell
641,895
-41,222
-6% -$611K 0.03% 388
2023
Q2 		$9.97M Sell
683,117
-36,373
-5% -$526K 0.03% 361
2023
Q1 		$11.1M Sell
719,490
-165,798
-19% -$2.53M 0.04% 357
2022
Q4 		$14.7M Buy
885,288
+860,859
+3,524% +$14.8M 0.05% 304
2022
Q3 		$324K Buy
+24,429
New +$348K ﹤0.01% 1189
2022
Q2 		– Sell
-416,733
Closed -$5.81M – 1456
2022
Q1 		$5.81M Buy
416,733
+1,326
+0.3% +$18.6K 0.02% 500
2021
Q4 		$6.89M Sell
415,407
-169,385
-29% -$2.57M 0.02% 428
2021
Q3 		$7.88M Sell
584,792
-2,324
-0.4% -$30.1K 0.03% 325
2021
Q2 		$6.61M Buy
587,116
+101,657
+21% +$984K 0.02% 423
2021
Q1 		$4.67M Sell
485,459
-21,015
-4% -$206K 0.02% 530
2020
Q4 		$4.99M Buy
506,474
+70,794
+16% +$556K 0.02% 352
2020
Q3 		$2.77M Buy
435,680
+260,537
+149% +$2M 0.02% 502
2020
Q2 		$1.19M Sell
175,143
-30,277
-15% -$203K 0.01% 749
2020
Q1 		$1.28M Buy
205,420
+50,258
+32% +$321K 0.01% 463
2019
Q4 		$1.07M Sell
155,162
-96,986
-38% -$652K 0.01% 571
2019
Q3 		$1.75M Buy
252,148
+65,963
+35% +$474K 0.01% 437
2019
Q2 		$1.27M Sell
186,185
-307,948
-62% -$2.02M 0.01% 658
2019
Q1 		$3.5M Buy
+494,133
New +$3.36M 0.03% 376

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

Assenagon Asset Management's ATEN Position: Q4 2025 in Review

Assenagon Asset Management sold out of A10 Networks (ATEN) in Q4 2025, closing a stake of 200,510 shares — an estimated $3.64M sold.

Assenagon Asset Management first reported a position in ATEN in Q1 2019 and held it in 24 quarters. The position peaked at $14.7M in Q4 2022. 241 funds tracked by Wall St. Rank hold ATEN as of Q4 2025.

  • Assenagon Asset Management reported no remaining A10 Networks position as of Q4 2025 after selling out during the quarter.
  • Assenagon Asset Management sold 200,510 A10 Networks shares in Q4 2025, an estimated $3.64M.
  • Assenagon Asset Management first reported a position in A10 Networks in Q1 2019 and held it in 24 quarters.
  • Assenagon Asset Management's A10 Networks position peaked at $14.7M in Q4 2022.
  • 241 funds tracked by Wall St. Rank held A10 Networks as of Q4 2025.

Based on Assenagon Asset Management's 13F filing for Q4 2025, filed 9 Jan 2026.