Tudor Investment Corp
ATEN icon

Tudor Investment Corp’s A10 Networks ATEN Stock Holding History

Tudor Investment Corp’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 		$5.52M Sell
238,857
-131,587
-36% -$2.57M 0.01% 1109
2025
Q4 		$6.55M Buy
370,444
+51,022
+16% +$904K 0.01% 991
2025
Q3 		$5.8M Sell
319,422
-84,787
-21% -$1.53M 0.01% 1093
2025
Q2 		$7.82M Sell
404,209
-44,631
-10% -$763K 0.02% 806
2025
Q1 		$7.33M Buy
448,840
+149,551
+50% +$2.87M 0.02% 613
2024
Q4 		$5.51M Buy
299,289
+17,889
+6% +$292K 0.02% 634
2024
Q3 		$4.06M Sell
281,400
-32,906
-10% -$444K 0.01% 807
2024
Q2 		$4.35M Buy
+314,306
New +$4.48M 0.02% 713
2023
Q2 		– Sell
-34,442
Closed -$534K – 2410
2023
Q1 		$534K Sell
34,442
-103,785
-75% -$1.58M 0.01% 1580
2022
Q4 		$2.3M Buy
+138,227
New +$2.37M 0.05% 560
2022
Q3 		– Sell
-155,819
Closed -$2.24M – 2294
2022
Q2 		$2.24M Sell
155,819
-48,245
-24% -$699K 0.06% 461
2022
Q1 		$2.85M Sell
204,064
-26,161
-11% -$368K 0.07% 391
2021
Q4 		$3.82M Buy
+230,225
New +$3.5M 0.06% 361
2021
Q1 		– Sell
-100,480
Closed -$991K – 1549
2020
Q4 		$991K Buy
100,480
+9,184
+10% +$72.2K 0.03% 706
2020
Q3 		$582K Buy
+91,296
New +$700K 0.03% 759
2019
Q3 		– Sell
-25,472
Closed -$174K – 1076
2019
Q2 		$174K Buy
25,472
+5,654
+29% +$37.1K 0.01% 989
2019
Q1 		$141K Sell
19,818
-11,250
-36% -$76.4K 0.01% 1029
2018
Q4 		$194K Sell
31,068
-4,716
-13% -$28.5K ﹤0.01% 875
2018
Q3 		$218K Buy
35,784
+19,639
+122% +$133K 0.01% 950
2018
Q2 		$101K Buy
+16,145
New +$101K ﹤0.01% 982
2017
Q3 		– Sell
-14,925
Closed -$126K – 1076
2017
Q2 		$126K Sell
14,925
-30,975
-67% -$263K ﹤0.01% 945
2017
Q1 		$420K Buy
45,900
+19,590
+74% +$173K 0.01% 784
2016
Q4 		$219K Buy
26,310
+292
+1% +$2.51K 0.01% 1182
2016
Q3 		$278K Buy
+26,018
New +$227K 0.01% 1070

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

Tudor Investment Corp's ATEN Position: Q1 2026 in Review

Tudor Investment Corp reduced its A10 Networks (ATEN) stake by 36% in Q1 2026, selling an estimated $2.57M and leaving 238,857 shares worth $5.52M. The position accounts for 0.01% of the portfolio, ranked #1109.

Tudor Investment Corp first reported a position in ATEN in Q3 2016 and has held it in 24 quarters since. The position peaked at $7.82M in Q2 2025. 264 funds tracked by Wall St. Rank hold ATEN as of Q1 2026.

  • Tudor Investment Corp held 238,857 shares of A10 Networks worth $5.52M as of Q1 2026.
  • Tudor Investment Corp sold 131,587 A10 Networks shares in Q1 2026, an estimated $2.57M.
  • A10 Networks made up 0.01% of Tudor Investment Corp's portfolio in Q1 2026, its #1109 holding.
  • Tudor Investment Corp first reported a position in A10 Networks in Q3 2016 and has held it in 24 quarters since.
  • Tudor Investment Corp's A10 Networks position peaked at $7.82M in Q2 2025.
  • 264 funds tracked by Wall St. Rank held A10 Networks as of Q1 2026.

Based on Tudor Investment Corp's 13F filing for Q1 2026, filed 15 May 2026.