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 | $15.2M | Sell |
295,600
-345,900
| -54% | -$21.6M | ﹤0.01% | 2669 |
|
|
2025
Q4 | $45.4M | Buy |
641,500
+52,700
| +9% | +$4.26M | 0.01% | 1515 |
|
|
2025
Q3 | $48.6M | Buy |
588,800
+450,100
| +325% | +$32.7M | 0.01% | 1408 |
|
|
2025
Q2 | $9.16M | Sell |
138,700
-54,200
| -28% | -$2.87M | ﹤0.01% | 3154 |
|
|
2025
Q1 | $9.71M | Sell |
192,900
-22,900
| -11% | -$1.57M | ﹤0.01% | 2886 |
|
|
2024
Q4 | $15.7M | Sell |
215,800
-6,700
| -3% | -$427K | ﹤0.01% | 2430 |
|
|
2024
Q3 | $12.6M | Sell |
222,500
-18,000
| -7% | -$958K | ﹤0.01% | 2589 |
|
|
2024
Q2 | $13M | Buy |
240,500
+43,100
| +22% | +$2.14M | ﹤0.01% | 2468 |
|
|
2024
Q1 | $10M | Sell |
197,400
-94,700
| -32% | -$5.17M | ﹤0.01% | 2954 |
|
|
2023
Q4 | $17.9M | Sell |
292,100
-21,500
| -7% | -$1.17M | ﹤0.01% | 2131 |
|
|
2023
Q3 | $16.6M | Buy |
313,600
+183,700
| +141% | +$12.9M | ﹤0.01% | 2067 |
|
|
2023
Q2 | $10.9M | Sell |
129,900
-6,500
| -5% | -$475K | ﹤0.01% | 2568 |
|
|
2023
Q1 | $10.6M | Sell |
136,400
-347,900
| -72% | -$29.8M | ﹤0.01% | 2740 |
|
|
2022
Q4 | $39.8M | Buy |
484,300
+270,000
| +126% | +$18M | 0.01% | 1306 |
|
|
2022
Q3 | $12M | Sell |
214,300
-63,600
| -23% | -$4.71M | ﹤0.01% | 2495 |
|
|
2022
Q2 | $18.2M | Buy |
277,900
+31,700
| +13% | +$2.55M | ﹤0.01% | 1939 |
|
|
2022
Q1 | $25.8M | Sell |
246,200
-58,800
| -19% | -$7.49M | 0.01% | 1705 |
|
|
2021
Q4 | $61.9M | Buy |
305,000
+49,300
| +19% | +$9.14M | 0.01% | 1008 |
|
|
2021
Q3 | $39.8M | Buy |
255,700
+153,300
| +150% | +$17.6M | 0.01% | 1306 |
|
|
2021
Q2 | $10.9M | Buy |
102,400
+22,400
| +28% | +$2.22M | ﹤0.01% | 2949 |
|
|
2021
Q1 | $8.03M | Sell |
80,000
-80,500
| -50% | -$8.76M | ﹤0.01% | 3326 |
|
|
2020
Q4 | $14.7M | Buy |
160,500
+28,800
| +22% | +$2.02M | ﹤0.01% | 2149 |
|
|
2020
Q3 | $6.87M | Sell |
131,700
-7,100
| -5% | -$343K | ﹤0.01% | 2722 |
|
|
2020
Q2 | $6.36M | Buy |
138,800
+2,000
| +1% | +$103K | ﹤0.01% | 2754 |
|
|
2020
Q1 | $6.64M | Sell |
136,800
-52,400
| -28% | -$3.01M | ﹤0.01% | 2349 |
|
|
2019
Q4 | $11.5M | Buy |
189,200
+19,200
| +11% | +$1.06M | 0.01% | 2060 |
|
|
2019
Q3 | $10.7M | Buy |
170,000
+25,400
| +18% | +$1.32M | 0.01% | 2141 |
|
|
2019
Q2 | $6.38M | Buy |
144,600
+15,900
| +12% | +$712K | ﹤0.01% | 2748 |
|
|
2019
Q1 | $5.56M | Sell |
128,700
-144,700
| -53% | -$5.72M | ﹤0.01% | 2852 |
|
|
2018
Q4 | $9.56M | Sell |
273,400
-2,300
| -0.8% | -$81.4K | 0.01% | 1944 |
|
|
2018
Q3 | $10.7M | Buy |
275,700
+29,500
| +12% | +$1.14M | ﹤0.01% | 2019 |
|
|
2018
Q2 | $9.51M | Buy |
246,200
+43,800
| +22% | +$2.07M | ﹤0.01% | 1997 |
|
|
2018
Q1 | $9.92M | Sell |
202,400
-95,500
| -32% | -$4.95M | 0.01% | 1743 |
|
|
2017
Q4 | $17.5M | Buy |
297,900
+73,400
| +33% | +$4.08M | 0.01% | 1239 |
|
|
2017
Q3 | $11M | Buy |
224,500
+101,800
| +83% | +$5.02M | 0.01% | 1517 |
|
|
2017
Q2 | $5.96M | Sell |
122,700
-45,500
| -27% | -$2.52M | 0.01% | 1936 |
|
|
2017
Q1 | $9.2M | Sell |
168,200
-33,500
| -17% | -$1.81M | 0.01% | 1510 |
|
|
2016
Q4 | $10.9M | Sell |
201,700
-13,000
| -6% | -$784K | 0.01% | 1289 |
|
|
2016
Q3 | $15.8M | Sell |
214,700
-7,300
| -3% | -$457K | 0.02% | 1014 |
|
|
2016
Q2 | $11.3M | Sell |
222,000
-13,200
| -6% | -$583K | 0.01% | 1152 |
|
|
2016
Q1 | $10.5M | Sell |
235,200
-22,500
| -9% | -$931K | 0.01% | 1163 |
|
|
2015
Q4 | $14.4M | Sell |
257,700
-50,000
| -16% | -$2.82M | 0.02% | 1034 |
|
|
2015
Q3 | $17.8M | Buy |
307,700
+4,200
| +1% | +$397K | 0.02% | 980 |
|
|
2015
Q2 | $31.2M | Buy |
303,500
+89,600
| +42% | +$7.83M | 0.03% | 736 |
|
|
2015
Q1 | $16.2M | Buy |
213,900
+24,600
| +13% | +$1.49M | 0.02% | 1109 |
|
|
2014
Q4 | $9.6M | Sell |
189,300
-62,700
| -25% | -$2.93M | 0.01% | 1428 |
|
|
2014
Q3 | $11M | Buy |
252,000
+63,500
| +34% | +$2.1M | 0.01% | 1294 |
|
|
2014
Q2 | $5.88M | Buy |
188,500
+62,000
| +49% | +$1.64M | 0.01% | 1695 |
|
|
2014
Q1 | $3.38M | Buy |
126,500
+63,100
| +100% | +$1.93M | ﹤0.01% | 2117 |
|
|
2013
Q4 | $2.15M | Buy |
63,400
+18,200
| +40% | +$418K | ﹤0.01% | 2480 |
|
|
2013
Q3 | $882K | Buy |
45,200
+34,300
| +315% | +$583K | ﹤0.01% | 3235 |
|
|
2013
Q2 | $183K | Buy |
+10,900
| New | +$165K | ﹤0.01% | 4740 |
|
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.