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Winton Group’s A10 Networks ATEN Stock Holding History

Winton Group’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 		$334K Sell
8,950
-17,507
-66% -$509K 0.01% 850
2026
Q1 		$612K Sell
26,457
-45,070
-63% -$881K 0.02% 657
2025
Q4 		$1.27M Buy
71,527
+761
+1% +$13.5K 0.04% 401
2025
Q3 		$1.28M Buy
70,766
+215
+0.3% +$3.89K 0.05% 353
2025
Q2 		$1.37M Buy
70,551
+2,969
+4% +$50.7K 0.07% 328
2025
Q1 		$1.1M Sell
67,582
-7,385
-10% -$142K 0.07% 325
2024
Q4 		$1.38M Sell
74,967
-1,305
-2% -$21.3K 0.09% 181
2024
Q3 		$1.1M Buy
76,272
+5,179
+7% +$69.9K 0.08% 237
2024
Q2 		$985K Buy
71,093
+121
+0.2% +$1.73K 0.07% 249
2024
Q1 		$972K Buy
70,972
+37,796
+114% +$508K 0.07% 275
2023
Q4 		$437K Buy
33,176
+6,268
+23% +$76K 0.03% 382
2023
Q3 		$404K Sell
26,908
-1,620
-6% -$24K 0.03% 355
2023
Q2 		$416K Sell
28,528
-18,259
-39% -$264K 0.03% 399
2023
Q1 		$725K Buy
46,787
+30,794
+193% +$470K 0.04% 555
2022
Q4 		$266K Sell
15,993
-26,945
-63% -$462K 0.02% 808
2022
Q3 		$570K Buy
42,938
+3,891
+10% +$55.4K 0.04% 602
2022
Q2 		$561K Buy
+39,047
New +$566K 0.03% 661
2021
Q4 		– Sell
-38,970
Closed -$525K – 1028
2021
Q3 		$525K Buy
38,970
+9,528
+32% +$124K 0.03% 832
2021
Q2 		$332K Buy
29,442
+9,512
+48% +$92.1K 0.02% 1136
2021
Q1 		$192K Buy
19,930
+5,892
+42% +$57.7K 0.01% 1293
2020
Q4 		$138K Sell
14,038
-59,197
-81% -$465K 0.01% 1238
2020
Q3 		$467K Buy
73,235
+33,650
+85% +$258K 0.02% 1138
2020
Q2 		$270K Buy
+39,585
New +$266K 0.01% 1305
2020
Q1 		– Sell
-32,681
Closed -$225K – 1400
2019
Q4 		$225K Buy
32,681
+10,485
+47% +$70.5K ﹤0.01% 1423
2019
Q3 		$154K Buy
+22,196
New +$160K ﹤0.01% 1425

Other funds holding ATEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
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
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Winton Group's ATEN Position: Q2 2026 in Review

Winton Group reduced its A10 Networks (ATEN) stake by 66% in Q2 2026, selling an estimated $509K and leaving 8,950 shares worth $334K. The position accounts for 0.01% of the portfolio, ranked #850.

Winton Group first reported a position in ATEN in Q3 2019 and has held it in 25 quarters since. The position peaked at $1.38M in Q4 2024. 311 funds tracked by Wall St. Rank hold ATEN as of Q2 2026.

  • Winton Group held 8,950 shares of A10 Networks worth $334K as of Q2 2026.
  • Winton Group sold 17,507 A10 Networks shares in Q2 2026, an estimated $509K.
  • A10 Networks made up 0.01% of Winton Group's portfolio in Q2 2026, its #850 holding.
  • Winton Group first reported a position in A10 Networks in Q3 2019 and has held it in 25 quarters since.
  • Winton Group's A10 Networks position peaked at $1.38M in Q4 2024.
  • 311 funds tracked by Wall St. Rank held A10 Networks as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.