Two Sigma Advisers
ATEN icon

Two Sigma Advisers’s A10 Networks ATEN Stock Holding History

Two Sigma Advisers’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 		– Sell
-474,000
Closed -$8.39M – 191
2025
Q4 		$8.39M Buy
474,000
+20,600
+5% +$365K 0.02% 605
2025
Q3 		$8.23M Buy
453,400
+12,103
+3% +$219K 0.02% 558
2025
Q2 		$8.54M Buy
441,297
+93,097
+27% +$1.59M 0.02% 563
2025
Q1 		$5.69M Buy
348,200
+142,900
+70% +$2.74M 0.01% 735
2024
Q4 		$3.78M Buy
205,300
+21,800
+12% +$356K 0.01% 830
2024
Q3 		$2.65M Sell
183,500
-38,700
-17% -$522K 0.01% 943
2024
Q2 		$3.08M Sell
222,200
-126,700
-36% -$1.81M 0.01% 973
2024
Q1 		$4.78M Sell
348,900
-146,900
-30% -$1.98M 0.01% 798
2023
Q4 		$6.53M Sell
495,800
-56,400
-10% -$684K 0.02% 695
2023
Q3 		$8.3M Buy
552,200
+28,700
+5% +$425K 0.02% 529
2023
Q2 		$7.64M Sell
523,500
-12,700
-2% -$184K 0.02% 589
2023
Q1 		$8.31M Buy
536,200
+116,500
+28% +$1.78M 0.02% 614
2022
Q4 		$6.98M Buy
419,700
+1,000
+0.2% +$17.1K 0.02% 636
2022
Q3 		$5.56M Sell
418,700
-221,300
-35% -$3.15M 0.02% 689
2022
Q2 		$9.2M Sell
640,000
-105,900
-14% -$1.53M 0.03% 538
2022
Q1 		$10.4M Sell
745,900
-237,000
-24% -$3.33M 0.03% 507
2021
Q4 		$16.3M Buy
982,900
+157,500
+19% +$2.39M 0.04% 357
2021
Q3 		$11.1M Buy
825,400
+12,500
+2% +$162K 0.03% 481
2021
Q2 		$9.15M Buy
812,900
+83,600
+11% +$809K 0.02% 603
2021
Q1 		$7.01M Sell
729,300
-132,400
-15% -$1.3M 0.02% 715
2020
Q4 		$8.5M Buy
861,700
+358,800
+71% +$2.82M 0.02% 622
2020
Q3 		$3.2M Buy
502,900
+107,852
+27% +$827K 0.01% 935
2020
Q2 		$2.69M Buy
395,048
+75,100
+23% +$504K 0.01% 1056
2020
Q1 		$1.99M Sell
319,948
-3,100
-1% -$19.8K 0.01% 1122
2019
Q4 		$2.22M Sell
323,048
-23,388
-7% -$157K 0.01% 1176
2019
Q3 		$2.4M Sell
346,436
-22,000
-6% -$158K 0.01% 1036
2019
Q2 		$2.51M Buy
368,436
+20,000
+6% +$131K 0.01% 1113
2019
Q1 		$2.47M Buy
348,436
+42,500
+14% +$289K 0.01% 1126
2018
Q4 		$1.91M Buy
305,936
+11,050
+4% +$66.9K 0.01% 1186
2018
Q3 		$1.79M Sell
294,886
-48,600
-14% -$328K ﹤0.01% 1280
2018
Q2 		$2.14M Sell
343,486
-77,100
-18% -$482K 0.01% 1261
2018
Q1 		$2.45M Sell
420,586
-102,900
-20% -$673K 0.01% 1154
2017
Q4 		$4.04M Buy
523,486
+114,295
+28% +$872K 0.01% 933
2017
Q3 		$3.09M Buy
409,191
+31,305
+8% +$213K 0.01% 1004
2017
Q2 		$3.19M Sell
377,886
-95,985
-20% -$815K 0.01% 965
2017
Q1 		$4.34M Sell
473,871
-4,457
-0.9% -$39.4K 0.01% 875
2016
Q4 		$3.98M Sell
478,328
-65,068
-12% -$559K 0.02% 835
2016
Q3 		$5.81M Buy
543,396
+378,696
+230% +$3.31M 0.02% 596
2016
Q2 		$1.07M Buy
164,700
+138,500
+529% +$875K 0.01% 1137
2016
Q1 		$155K Buy
26,200
+8,700
+50% +$51.9K ﹤0.01% 1876
2015
Q4 		$115K Buy
+17,500
New +$121K ﹤0.01% 1755

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

Two Sigma Advisers's ATEN Position: Q1 2026 in Review

Two Sigma Advisers sold out of A10 Networks (ATEN) in Q1 2026, closing a stake of 474,000 shares — an estimated $8.39M sold.

Two Sigma Advisers first reported a position in ATEN in Q4 2015 and held it in 41 quarters. The position peaked at $16.3M in Q4 2021. 264 funds tracked by Wall St. Rank hold ATEN as of Q1 2026.

  • Two Sigma Advisers reported no remaining A10 Networks position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Advisers sold 474,000 A10 Networks shares in Q1 2026, an estimated $8.39M.
  • Two Sigma Advisers first reported a position in A10 Networks in Q4 2015 and held it in 41 quarters.
  • Two Sigma Advisers's A10 Networks position peaked at $16.3M in Q4 2021.
  • 264 funds tracked by Wall St. Rank held A10 Networks as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.