Citadel Advisors’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 | $1.59M | Sell |
30,900
-16,200
| -34% | -$1.01M | ﹤0.01% | 6586 |
|
|
2025
Q4 | $3.34M | Sell |
47,100
-90,500
| -66% | -$7.31M | ﹤0.01% | 4970 |
|
|
2025
Q3 | $11.4M | Buy |
137,600
+26,700
| +24% | +$1.94M | ﹤0.01% | 3085 |
|
|
2025
Q2 | $7.33M | Sell |
110,900
-98,500
| -47% | -$5.22M | ﹤0.01% | 3485 |
|
|
2025
Q1 | $10.5M | Sell |
209,400
-44,800
| -18% | -$3.07M | ﹤0.01% | 2785 |
|
|
2024
Q4 | $18.5M | Buy |
254,200
+91,800
| +57% | +$5.85M | ﹤0.01% | 2241 |
|
|
2024
Q3 | $9.16M | Buy |
162,400
+59,600
| +58% | +$3.17M | ﹤0.01% | 3045 |
|
|
2024
Q2 | $5.55M | Sell |
102,800
-49,900
| -33% | -$2.48M | ﹤0.01% | 3587 |
|
|
2024
Q1 | $7.75M | Buy |
152,700
+78,400
| +106% | +$4.28M | ﹤0.01% | 3296 |
|
|
2023
Q4 | $4.55M | Sell |
74,300
-66,500
| -47% | -$3.63M | ﹤0.01% | 3930 |
|
|
2023
Q3 | $7.47M | Buy |
140,800
+18,800
| +15% | +$1.32M | ﹤0.01% | 3064 |
|
|
2023
Q2 | $10.2M | Sell |
122,000
-13,700
| -10% | -$1M | ﹤0.01% | 2647 |
|
|
2023
Q1 | $10.5M | Sell |
135,700
-6,800
| -5% | -$582K | ﹤0.01% | 2756 |
|
|
2022
Q4 | $11.7M | Buy |
142,500
+12,300
| +9% | +$819K | ﹤0.01% | 2606 |
|
|
2022
Q3 | $7.32M | Sell |
130,200
-245,000
| -65% | -$18.2M | ﹤0.01% | 3242 |
|
|
2022
Q2 | $24.6M | Buy |
375,200
+200,700
| +115% | +$16.2M | 0.01% | 1640 |
|
|
2022
Q1 | $18.3M | Sell |
174,500
-77,600
| -31% | -$9.89M | ﹤0.01% | 2080 |
|
|
2021
Q4 | $51.1M | Buy |
252,100
+39,900
| +19% | +$7.4M | 0.01% | 1148 |
|
|
2021
Q3 | $33M | Buy |
212,200
+97,600
| +85% | +$11.2M | 0.01% | 1483 |
|
|
2021
Q2 | $12.2M | Sell |
114,600
-10,400
| -8% | -$1.03M | ﹤0.01% | 2772 |
|
|
2021
Q1 | $12.5M | Buy |
125,000
+51,400
| +70% | +$5.6M | ﹤0.01% | 2644 |
|
|
2020
Q4 | $6.76M | Sell |
73,600
-41,400
| -36% | -$2.9M | ﹤0.01% | 3180 |
|
|
2020
Q3 | $6M | Buy |
115,000
+42,700
| +59% | +$2.06M | ﹤0.01% | 2896 |
|
|
2020
Q2 | $3.31M | Sell |
72,300
-22,900
| -24% | -$1.18M | ﹤0.01% | 3690 |
|
|
2020
Q1 | $4.62M | Sell |
95,200
-216,600
| -69% | -$12.4M | ﹤0.01% | 2833 |
|
|
2019
Q4 | $18.9M | Buy |
311,800
+21,200
| +7% | +$1.17M | 0.01% | 1540 |
|
|
2019
Q3 | $18.3M | Buy |
290,600
+129,700
| +81% | +$6.73M | 0.01% | 1558 |
|
|
2019
Q2 | $7.1M | Buy |
160,900
+39,600
| +33% | +$1.77M | ﹤0.01% | 2608 |
|
|
2019
Q1 | $5.24M | Buy |
121,300
+10,700
| +10% | +$423K | ﹤0.01% | 2937 |
|
|
2018
Q4 | $3.87M | Sell |
110,600
-69,200
| -38% | -$2.45M | ﹤0.01% | 3160 |
|
|
2018
Q3 | $6.96M | Sell |
179,800
-45,200
| -20% | -$1.75M | ﹤0.01% | 2573 |
|
|
2018
Q2 | $8.69M | Buy |
225,000
+34,900
| +18% | +$1.65M | ﹤0.01% | 2093 |
|
|
2018
Q1 | $9.31M | Buy |
190,100
+26,400
| +16% | +$1.37M | 0.01% | 1803 |
|
|
2017
Q4 | $9.62M | Buy |
163,700
+27,200
| +20% | +$1.51M | 0.01% | 1774 |
|
|
2017
Q3 | $6.69M | Sell |
136,500
-29,800
| -18% | -$1.47M | 0.01% | 1985 |
|
|
2017
Q2 | $8.07M | Buy |
166,300
+60,900
| +58% | +$3.37M | 0.01% | 1628 |
|
|
2017
Q1 | $5.77M | Sell |
105,400
-24,600
| -19% | -$1.33M | 0.01% | 1907 |
|
|
2016
Q4 | $7.04M | Sell |
130,000
-91,900
| -41% | -$5.54M | 0.01% | 1657 |
|
|
2016
Q3 | $16.3M | Buy |
221,900
+102,200
| +85% | +$6.4M | 0.02% | 992 |
|
|
2016
Q2 | $6.08M | Sell |
119,700
-61,400
| -34% | -$2.71M | 0.01% | 1656 |
|
|
2016
Q1 | $8.1M | Sell |
181,100
-89,500
| -33% | -$3.7M | 0.01% | 1356 |
|
|
2015
Q4 | $15.1M | Buy |
270,600
+33,200
| +14% | +$1.87M | 0.02% | 1006 |
|
|
2015
Q3 | $13.7M | Sell |
237,400
-246,200
| -51% | -$23.2M | 0.01% | 1133 |
|
|
2015
Q2 | $49.7M | Buy |
483,600
+214,100
| +79% | +$18.7M | 0.04% | 501 |
|
|
2015
Q1 | $20.4M | Buy |
269,500
+143,300
| +114% | +$8.7M | 0.02% | 971 |
|
|
2014
Q4 | $6.4M | Sell |
126,200
-77,000
| -38% | -$3.6M | 0.01% | 1759 |
|
|
2014
Q3 | $8.87M | Buy |
203,200
+151,500
| +293% | +$5.02M | 0.01% | 1461 |
|
|
2014
Q2 | $1.61M | Sell |
51,700
-15,000
| -22% | -$396K | ﹤0.01% | 2952 |
|
|
2014
Q1 | $1.78M | Sell |
66,700
-34,500
| -34% | -$1.06M | ﹤0.01% | 2777 |
|
|
2013
Q4 | $3.43M | Buy |
101,200
+41,500
| +70% | +$952K | ﹤0.01% | 2021 |
|
|
2013
Q3 | $1.17M | Buy |
59,700
+43,800
| +275% | +$745K | ﹤0.01% | 2935 |
|
|
2013
Q2 | $268K | Buy |
+15,900
| New | +$241K | ﹤0.01% | 4397 |
|
Other funds holding AMBA
VPM
VCM
Citadel Advisors's AMBA Position: Q1 2026 in Review
Citadel Advisors increased its Ambarella (AMBA) stake by 74% in Q1 2026, buying an estimated $24.7M and bringing the position to 931,862 shares worth $48M. The position accounts for 0.01% of the portfolio, ranked #1404.
Citadel Advisors first reported a position in AMBA in Q2 2013 and has held it in 47 quarters since. The position peaked at $62.5M in Q2 2025. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.
- Citadel Advisors held 931,862 shares of Ambarella worth $48M as of Q1 2026.
- Citadel Advisors bought 396,188 Ambarella shares in Q1 2026, an estimated $24.7M.
- Ambarella made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1404 holding.
- Citadel Advisors first reported a position in Ambarella in Q2 2013 and has held it in 47 quarters since.
- Citadel Advisors's Ambarella position peaked at $62.5M in Q2 2025.
- 305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.