Jane Street’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
Sell
-46,224
Closed -$2.88M 11485
2025
Q4
$3.27M Buy
46,224
+4,240
+10% +$343K ﹤0.01% 3906
2025
Q3
$3.46M Buy
41,984
+30,813
+276% +$2.24M ﹤0.01% 3991
2025
Q2
$738K Sell
11,171
-33,650
-75% -$1.78M ﹤0.01% 6196
2025
Q1
$2.26M Buy
44,821
+2,863
+7% +$196K ﹤0.01% 4166
2024
Q4
$3.05M Sell
41,958
-19,068
-31% -$1.21M ﹤0.01% 3413
2024
Q3
$3.44M Buy
61,026
+1,839
+3% +$97.9K 0.01% 3472
2024
Q2
$3.19M Buy
59,187
+47,095
+389% +$2.34M ﹤0.01% 3715
2024
Q1
$614K Sell
12,092
-67,925
-85% -$3.71M ﹤0.01% 6297
2023
Q4
$4.9M Buy
80,017
+75,352
+1,615% +$4.11M 0.01% 2885
2023
Q3
$247K Sell
4,665
-71,451
-94% -$5.02M ﹤0.01% 7335
2023
Q2
$6.37M Buy
76,116
+53,742
+240% +$3.93M 0.01% 2424
2023
Q1
$1.73M Sell
22,374
-5,159
-19% -$442K ﹤0.01% 4065
2022
Q4
$2.26M Buy
27,533
+3,887
+16% +$259K ﹤0.01% 3671
2022
Q3
$1.33M Buy
23,646
+18,070
+324% +$1.34M ﹤0.01% 4912
2022
Q2
$365K Buy
5,576
+3,309
+146% +$267K ﹤0.01% 7276
2022
Q1
$238K Sell
2,267
-17,188
-88% -$2.19M ﹤0.01% 8767
2021
Q4
$3.95M Buy
19,455
+10,260
+112% +$1.9M 0.01% 3225
2021
Q3
$1.43M Sell
9,195
-8,527
-48% -$980K ﹤0.01% 5176
2021
Q2
$1.89M Sell
17,722
-32,628
-65% -$3.23M ﹤0.01% 4434
2021
Q1
$5.05M Sell
50,350
-7,701
-13% -$838K 0.01% 2387
2020
Q4
$5.33M Buy
58,051
+52,680
+981% +$3.69M 0.02% 2060
2020
Q3
$280K Sell
5,371
-19,547
-78% -$945K ﹤0.01% 5974
2020
Q2
$1.14M Buy
24,918
+10,989
+79% +$566K ﹤0.01% 3873
2020
Q1
$676K Buy
13,929
+6,723
+93% +$386K ﹤0.01% 3298
2019
Q4
$436K Sell
7,206
-20,800
-74% -$1.15M ﹤0.01% 3849
2019
Q3
$1.76M Buy
28,006
+11,832
+73% +$614K 0.01% 1946
2019
Q2
$713K Sell
16,174
-230,451
-93% -$10.3M ﹤0.01% 3128
2019
Q1
$10.7M Buy
246,625
+159,396
+183% +$6.31M 0.05% 649
2018
Q4
$3.05M Buy
87,229
+58,282
+201% +$2.06M 0.03% 1313
2018
Q3
$1.12M Buy
28,947
+13,497
+87% +$523K 0.01% 2635
2018
Q2
$597K Sell
15,450
-8,169
-35% -$387K ﹤0.01% 3395
2018
Q1
$1.16M Buy
23,619
+7,027
+42% +$365K 0.01% 2472
2017
Q4
$975K Sell
16,592
-31,970
-66% -$1.78M 0.01% 2372
2017
Q3
$2.38M Buy
48,562
+42,824
+746% +$2.11M 0.02% 1434
2017
Q2
$279K Sell
5,738
-6,657
-54% -$369K ﹤0.01% 3675
2017
Q1
$678K Buy
12,395
+2,888
+30% +$156K 0.01% 2529
2016
Q4
$515K Sell
9,507
-20,286
-68% -$1.22M 0.01% 2835
2016
Q3
$2.19M Buy
29,793
+1,924
+7% +$121K 0.02% 1129
2016
Q2
$1.42M Buy
+27,869
New +$1.23M 0.02% 1612
2016
Q1
Sell
-12,797
Closed -$530K 4022
2015
Q4
$713K Sell
12,797
-19,158
-60% -$1.08M 0.01% 2103
2015
Q3
$1.85M Sell
31,955
-29,587
-48% -$2.79M 0.03% 1062
2015
Q2
$6.32M Sell
61,542
-3,055
-5% -$267K 0.09% 371
2015
Q1
$4.89M Buy
+64,597
New +$3.92M 0.08% 408
2014
Q4
Sell
-190,388
Closed -$8.31M 2442
2014
Q3
$8.31M Sell
190,388
-55,183
-22% -$1.83M 0.18% 199
2014
Q2
$7.66M Buy
245,571
+234,033
+2,028% +$6.19M 0.18% 181
2014
Q1
$308K Sell
11,538
-62,534
-84% -$1.91M 0.01% 1967
2013
Q4
$2.51M Sell
74,072
-54,726
-42% -$1.26M 0.07% 384
2013
Q3
$2.51M Buy
+128,798
New +$2.19M 0.05% 469

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