Morgan Stanley’s A10 Networks ATEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$18.8M Buy
813,087
+8,737
+1% +$171K ﹤0.01% 3016
2025
Q4
$14.2M Buy
804,350
+48,874
+6% +$866K ﹤0.01% 3262
2025
Q3
$13.7M Sell
755,476
-291,943
-28% -$5.28M ﹤0.01% 3261
2025
Q2
$20.3M Sell
1,047,419
-437,322
-29% -$7.47M ﹤0.01% 2792
2025
Q1
$24.3M Buy
1,484,741
+333,570
+29% +$6.41M ﹤0.01% 2498
2024
Q4
$21.2M Sell
1,151,171
-1,114,435
-49% -$18.2M ﹤0.01% 2691
2024
Q3
$32.7M Buy
2,265,606
+232,059
+11% +$3.13M ﹤0.01% 2279
2024
Q2
$28.2M Buy
2,033,547
+706,274
+53% +$10.1M ﹤0.01% 2295
2024
Q1
$18.2M Sell
1,327,273
-1,868,373
-58% -$25.1M ﹤0.01% 2800
2023
Q4
$42.1M Buy
3,195,646
+1,384,414
+76% +$16.8M ﹤0.01% 2635
2023
Q3
$27.2M Buy
1,811,232
+415,424
+30% +$6.15M ﹤0.01% 2132
2023
Q2
$20.4M Buy
1,395,808
+118,471
+9% +$1.71M ﹤0.01% 2453
2023
Q1
$19.8M Buy
1,277,337
+230,140
+22% +$3.51M ﹤0.01% 2438
2022
Q4
$17.4M Buy
1,047,197
+306,759
+41% +$5.26M ﹤0.01% 2486
2022
Q3
$9.83M Buy
740,438
+134,404
+22% +$1.91M ﹤0.01% 3001
2022
Q2
$8.71M Buy
606,034
+404,393
+201% +$5.86M ﹤0.01% 3204
2022
Q1
$2.81M Buy
201,641
+72,653
+56% +$1.02M ﹤0.01% 4253
2021
Q4
$2.14M Sell
128,988
-247,465
-66% -$3.76M ﹤0.01% 4530
2021
Q3
$5.07M Buy
376,453
+59,357
+19% +$770K ﹤0.01% 3682
2021
Q2
$3.57M Buy
317,096
+290,676
+1,100% +$2.81M ﹤0.01% 4121
2021
Q1
$254K Sell
26,420
-336,155
-93% -$3.29M ﹤0.01% 5516
2020
Q4
$3.58M Buy
362,575
+348,063
+2,398% +$2.74M ﹤0.01% 3624
2020
Q3
$93K Sell
14,512
-31,382
-68% -$241K ﹤0.01% 5457
2020
Q2
$313K Sell
45,894
-25,104
-35% -$169K ﹤0.01% 4853
2020
Q1
$441K Sell
70,998
-1,802
-2% -$11.5K ﹤0.01% 4447
2019
Q4
$500K Sell
72,800
-36,302
-33% -$244K ﹤0.01% 4922
2019
Q3
$758K Buy
109,102
+97,613
+850% +$702K ﹤0.01% 4463
2019
Q2
$79K Sell
11,489
-95,677
-89% -$627K ﹤0.01% 5426
2019
Q1
$761K Sell
107,166
-1,318
-1% -$8.96K ﹤0.01% 4292
2018
Q4
$676K Sell
108,484
-100,420
-48% -$608K ﹤0.01% 4595
2018
Q3
$1.27M Sell
208,904
-64,523
-24% -$436K ﹤0.01% 4346
2018
Q2
$1.7M Buy
273,427
+91,960
+51% +$575K ﹤0.01% 4225
2018
Q1
$1.06M Sell
181,467
-96,425
-35% -$630K ﹤0.01% 4509
2017
Q4
$2.15M Buy
277,892
+161,000
+138% +$1.23M ﹤0.01% 3974
2017
Q3
$884K Sell
116,892
-165,346
-59% -$1.13M ﹤0.01% 4509
2017
Q2
$2.38M Sell
282,238
-80,538
-22% -$684K ﹤0.01% 3649
2017
Q1
$3.32M Sell
362,776
-58,090
-14% -$514K ﹤0.01% 3323
2016
Q4
$3.5M Buy
420,866
+149,516
+55% +$1.29M ﹤0.01% 3358
2016
Q3
$2.9M Buy
271,350
+104,667
+63% +$915K ﹤0.01% 3182
2016
Q2
$1.08M Buy
166,683
+119,682
+255% +$756K ﹤0.01% 3918
2016
Q1
$278K Sell
47,001
-264,847
-85% -$1.58M ﹤0.01% 4790
2015
Q4
$2.05M Sell
311,848
-157,590
-34% -$1.09M ﹤0.01% 3467
2015
Q3
$2.81M Buy
469,438
+446,471
+1,944% +$2.81M ﹤0.01% 3180
2015
Q2
$148K Buy
22,967
+2,422
+12% +$13.5K ﹤0.01% 5396
2015
Q1
$89K Sell
20,545
-7,474
-27% -$34.2K ﹤0.01% 5578
2014
Q4
$122K Buy
28,019
+15,635
+126% +$69.9K ﹤0.01% 5468
2014
Q3
$112K Sell
12,384
-354,861
-97% -$4.05M ﹤0.01% 5433
2014
Q2
$4.88M Buy
+367,245
New +$4.62M ﹤0.01% 2686

Other funds holding ATEN

Morgan Stanley's ATEN Position: Q1 2026 in Review

Morgan Stanley increased its A10 Networks (ATEN) stake by 1.1% in Q1 2026, buying an estimated $171K and bringing the position to 813,087 shares worth $18.8M. The position accounts for ﹤0.01% of the portfolio, ranked #3016.

Morgan Stanley first reported a position in ATEN in Q2 2014 and has held it in 48 quarters since. The position peaked at $42.1M in Q4 2023. 264 funds tracked by Wall St. Rank hold ATEN as of Q1 2026.

  • Morgan Stanley held 813,087 shares of A10 Networks worth $18.8M as of Q1 2026.
  • Morgan Stanley bought 8,737 A10 Networks shares in Q1 2026, an estimated $171K.
  • A10 Networks made up ﹤0.01% of Morgan Stanley's portfolio in Q1 2026, its #3016 holding.
  • Morgan Stanley first reported a position in A10 Networks in Q2 2014 and has held it in 48 quarters since.
  • Morgan Stanley's A10 Networks position peaked at $42.1M in Q4 2023.
  • 264 funds tracked by Wall St. Rank held A10 Networks as of Q1 2026.

Based on Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.