Simplex Trading’s Ambarella AMBA Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$167K Sell
3,243
-4,581
-59% -$286K ﹤0.01% 4513
2025
Q4
$554K Buy
7,824
+2,534
+48% +$205K ﹤0.01% 3202
2025
Q3
$436K Sell
5,290
-813
-13% -$59K ﹤0.01% 3989
2025
Q2
$403K Buy
+6,103
New +$324K ﹤0.01% 3740
2025
Q1
Sell
-7,206
Closed -$493K 8424
2024
Q4
$524K Sell
7,206
-2,805
-28% -$179K ﹤0.01% 3489
2024
Q3
$564K Buy
+10,011
New +$533K ﹤0.01% 3468
2024
Q2
Sell
-1,914
Closed -$95.1K 8689
2024
Q1
$97K Buy
+1,914
New +$104K ﹤0.01% 5603
2023
Q4
Sell
-30,690
Closed -$1.68M 8696
2023
Q3
$1.63M Buy
+30,690
New +$2.16M ﹤0.01% 2253
2023
Q2
Sell
-20,980
Closed -$1.53M 8877
2023
Q1
$1.62M Buy
+20,980
New +$1.8M ﹤0.01% 2129
2022
Q4
Sell
-27,188
Closed -$1.81M 9114
2022
Q3
$1.53M Sell
27,188
-9,722
-26% -$721K ﹤0.01% 2213
2022
Q2
$2.42M Buy
36,910
+20,460
+124% +$1.65M ﹤0.01% 1682
2022
Q1
$1.73M Buy
16,450
+15,708
+2,117% +$2M ﹤0.01% 2261
2021
Q4
$150K Buy
+742
New +$138K ﹤0.01% 5600
2020
Q4
Sell
-2,108
Closed -$148K 8262
2020
Q3
$109K Buy
+2,108
New +$102K ﹤0.01% 4811
2020
Q2
Sell
-8,722
Closed -$449K 7528
2020
Q1
$423K Buy
8,722
+4,863
+126% +$279K ﹤0.01% 2776
2019
Q4
$233K Sell
3,859
-14,202
-79% -$786K ﹤0.01% 3588
2019
Q3
$1.13M Buy
18,061
+2,573
+17% +$133K ﹤0.01% 1814
2019
Q2
$683K Buy
15,488
+12,428
+406% +$557K ﹤0.01% 2285
2019
Q1
$132K Sell
3,060
-33,206
-92% -$1.31M ﹤0.01% 4052
2018
Q4
$1.27M Buy
36,266
+11,666
+47% +$413K ﹤0.01% 1443
2018
Q3
$951K Buy
24,600
+18,691
+316% +$724K ﹤0.01% 1944
2018
Q2
$228K Buy
+5,909
New +$280K ﹤0.01% 3325
2017
Q4
Sell
-21,299
Closed -$1.18M 5909
2017
Q3
$1.04M Buy
21,299
+18,272
+604% +$901K 0.04% 356
2017
Q2
$146K Sell
3,027
-2,108
-41% -$117K 0.01% 1441
2017
Q1
$280K Buy
+5,135
New +$277K 0.01% 1005
2016
Q4
Sell
-157
Closed -$9.47K 5764
2016
Q3
$11K Sell
157
-5,768
-97% -$361K ﹤0.01% 3505
2016
Q2
$301K Buy
5,925
+985
+20% +$43.5K 0.02% 765
2016
Q1
$220K Buy
+4,940
New +$204K 0.02% 823
2015
Q3
Sell
-2,512
Closed -$237K 5445
2015
Q2
$257K Sell
2,512
-3,528
-58% -$308K 0.02% 680
2015
Q1
$457K Buy
+6,040
New +$367K 0.05% 352

Other funds holding AMBA

Simplex Trading's AMBA Position: Q1 2026 in Review

Simplex Trading reduced its Ambarella (AMBA) stake by 59% in Q1 2026, selling an estimated $286K and leaving 3,243 shares worth $167K. The position accounts for ﹤0.01% of the portfolio, ranked #4513.

Simplex Trading first reported a position in AMBA in Q1 2015 and has held it in 30 quarters since. The position peaked at $2.42M in Q2 2022. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

  • Simplex Trading held 3,243 shares of Ambarella worth $167K as of Q1 2026.
  • Simplex Trading sold 4,581 Ambarella shares in Q1 2026, an estimated $286K.
  • Ambarella made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4513 holding.
  • Simplex Trading first reported a position in Ambarella in Q1 2015 and has held it in 30 quarters since.
  • Simplex Trading's Ambarella position peaked at $2.42M in Q2 2022.
  • 305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.