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
Q2 		$552K Buy
+14,780
New +$429K ﹤0.01% 1139
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 $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 $3.37T AUM 44.26% 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

Teacher Retirement System of Texas's ATEN Position: Q2 2026 in Review

Teacher Retirement System of Texas opened a new position in A10 Networks (ATEN) in Q2 2026: 14,780 shares worth $552K. The stake represents ﹤0.01% of the portfolio and ranks #1139 among its holdings. This is a return to the name: Teacher Retirement System of Texas previously reported a position in ATEN as recently as Q4 2025.

Teacher Retirement System of Texas first reported a position in ATEN in Q4 2015 and has held it in 24 quarters since. The position peaked at $5.92M in Q1 2025. 310 funds tracked by Wall St. Rank hold ATEN as of Q2 2026.

  • Teacher Retirement System of Texas held 14,780 shares of A10 Networks worth $552K as of Q2 2026.
  • A10 Networks was a new Teacher Retirement System of Texas position in Q2 2026.
  • A10 Networks made up ﹤0.01% of Teacher Retirement System of Texas's portfolio in Q2 2026, its #1139 holding.
  • Teacher Retirement System of Texas first reported a position in A10 Networks in Q4 2015 and has held it in 24 quarters since.
  • Teacher Retirement System of Texas's A10 Networks position peaked at $5.92M in Q1 2025.
  • 310 funds tracked by Wall St. Rank held A10 Networks as of Q2 2026.

Based on Teacher Retirement System of Texas's 13F filing for Q2 2026, filed 14 Aug 2026.