Teacher Retirement System of Texas
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Teacher Retirement System of Texas’s A10 Networks ATEN Stock Holding History

Teacher Retirement System of Texas’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
-96,576
Closed -$1.71M – 1504
2025
Q4 		$1.71M Sell
96,576
-330
-0.3% -$5.84K 0.01% 710
2025
Q3 		$1.76M Buy
96,906
+10,396
+12% +$188K 0.01% 945
2025
Q2 		$1.67M Sell
86,510
-275,808
-76% -$4.71M 0.01% 981
2025
Q1 		$5.92M Buy
362,318
+139,443
+63% +$2.68M 0.02% 470
2024
Q4 		$4.1M Buy
222,875
+103,673
+87% +$1.69M 0.01% 564
2024
Q3 		$1.72M Buy
119,202
+40,099
+51% +$541K 0.01% 778
2024
Q2 		$1.1M Buy
79,103
+34,139
+76% +$487K 0.01% 889
2024
Q1 		$616K Sell
44,964
-9,843
-18% -$132K ﹤0.01% 1193
2023
Q4 		$722K Sell
54,807
-8,350
-13% -$101K ﹤0.01% 1189
2023
Q3 		$949K Buy
63,157
+10,741
+20% +$159K 0.01% 1076
2023
Q2 		$765K Sell
52,416
-1,645
-3% -$23.8K 0.01% 1205
2023
Q1 		$837K Buy
54,061
+3,629
+7% +$55.4K 0.01% 1231
2022
Q4 		$839K Sell
50,432
-34,174
-40% -$586K 0.01% 1227
2022
Q3 		$1.12M Buy
84,606
+73,495
+661% +$1.05M 0.01% 1079
2022
Q2 		$160K Sell
11,111
-807
-7% -$11.7K ﹤0.01% 1737
2022
Q1 		$166K Buy
11,918
+484
+4% +$6.8K ﹤0.01% 1995
2021
Q4 		$190K Buy
+11,434
New +$174K ﹤0.01% 2025
2018
Q3 		– Sell
-10,750
Closed -$67K – 1580
2018
Q2 		$67K Sell
10,750
-210
-2% -$1.31K ﹤0.01% 1918
2018
Q1 		$64K Sell
10,960
-6,265
-36% -$41K ﹤0.01% 1921
2017
Q4 		$133K Buy
+17,225
New +$131K ﹤0.01% 2173
2016
Q3 		– Sell
-5,755
Closed -$37K – 1446
2016
Q2 		$37K Buy
5,755
+1,856
+48% +$11.7K ﹤0.01% 2372
2016
Q1 		$23K Buy
3,899
+1,021
+35% +$6.09K ﹤0.01% 2463
2015
Q4 		$19K Buy
+2,878
New +$19.9K ﹤0.01% 2498

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 $13.1B AUM 24.63% 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

Teacher Retirement System of Texas's ATEN Position: Q1 2026 in Review

Teacher Retirement System of Texas sold out of A10 Networks (ATEN) in Q1 2026, closing a stake of 96,576 shares — an estimated $1.71M sold.

Teacher Retirement System of Texas first reported a position in ATEN in Q4 2015 and held it in 23 quarters. The position peaked at $5.92M in Q1 2025. 264 funds tracked by Wall St. Rank hold ATEN as of Q1 2026.

  • Teacher Retirement System of Texas reported no remaining A10 Networks position as of Q1 2026 after selling out during the quarter.
  • Teacher Retirement System of Texas sold 96,576 A10 Networks shares in Q1 2026, an estimated $1.71M.
  • Teacher Retirement System of Texas first reported a position in A10 Networks in Q4 2015 and held it in 23 quarters.
  • Teacher Retirement System of Texas's A10 Networks position peaked at $5.92M in Q1 2025.
  • 264 funds tracked by Wall St. Rank held A10 Networks as of Q1 2026.

Based on Teacher Retirement System of Texas's 13F filing for Q1 2026, filed 30 Apr 2026.