Two Sigma Advisers
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Two Sigma Advisers’s Ambarella AMBA Stock Holding History

Two Sigma Advisers’s Portfolio AMBA Stock Details AMBA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-2,600
Closed -$215K – 2340
2025
Q3 		$215K Buy
+2,600
New +$189K ﹤0.01% 2109
2025
Q1 		– Sell
-43,500
Closed -$3.16M – 2374
2024
Q4 		$3.16M Sell
43,500
-117,800
-73% -$7.51M 0.01% 905
2024
Q3 		$9.1M Sell
161,300
-181,600
-53% -$9.66M 0.02% 514
2024
Q2 		$18.5M Sell
342,900
-67,400
-16% -$3.35M 0.04% 360
2024
Q1 		$20.8M Sell
410,300
-29,300
-7% -$1.6M 0.05% 336
2023
Q4 		$26.9M Sell
439,600
-198,300
-31% -$10.8M 0.06% 269
2023
Q3 		$33.8M Buy
637,900
+284,400
+80% +$20M 0.09% 203
2023
Q2 		$29.6M Buy
353,500
+65,800
+23% +$4.81M 0.08% 239
2023
Q1 		$22.3M Sell
287,700
-24,700
-8% -$2.11M 0.06% 306
2022
Q4 		$25.7M Buy
312,400
+73,100
+31% +$4.87M 0.07% 270
2022
Q3 		$13.4M Buy
239,300
+109,300
+84% +$8.1M 0.04% 420
2022
Q2 		$8.51M Buy
130,000
+74,200
+133% +$5.98M 0.02% 554
2022
Q1 		$5.86M Buy
55,800
+35,200
+171% +$4.49M 0.02% 738
2021
Q4 		$4.18M Sell
20,600
-216,300
-91% -$40.1M 0.01% 848
2021
Q3 		$36.9M Sell
236,900
-66,300
-22% -$7.62M 0.1% 210
2021
Q2 		$32.3M Buy
303,200
+59,100
+24% +$5.85M 0.09% 233
2021
Q1 		$24.5M Buy
244,100
+8,900
+4% +$969K 0.07% 309
2020
Q4 		$21.6M Buy
235,200
+500
+0.2% +$35K 0.06% 332
2020
Q3 		$12.2M Buy
234,700
+103,600
+79% +$5.01M 0.04% 477
2020
Q2 		$6M Buy
131,100
+13,300
+11% +$685K 0.02% 734
2020
Q1 		$5.72M Sell
117,800
-14,700
-11% -$843K 0.02% 663
2019
Q4 		$8.02M Buy
132,500
+52,500
+66% +$2.91M 0.02% 662
2019
Q3 		$5.03M Sell
80,000
-20,500
-20% -$1.06M 0.01% 758
2019
Q2 		$4.43M Sell
100,500
-38,200
-28% -$1.71M 0.01% 878
2019
Q1 		$5.99M Buy
138,700
+56,100
+68% +$2.22M 0.02% 777
2018
Q4 		$2.89M Sell
82,600
-6,500
-7% -$230K 0.01% 1022
2018
Q3 		$3.45M Buy
89,100
+67,100
+305% +$2.6M 0.01% 984
2018
Q2 		$849K Buy
22,000
+5,900
+37% +$279K ﹤0.01% 1688
2018
Q1 		$789K Sell
16,100
-12,600
-44% -$654K ﹤0.01% 1644
2017
Q4 		$1.69M Sell
28,700
-23,900
-45% -$1.33M ﹤0.01% 1321
2017
Q3 		$2.58M Buy
52,600
+9,300
+21% +$459K 0.01% 1087
2017
Q2 		$2.1M Sell
43,300
-19,000
-30% -$1.05M 0.01% 1183
2017
Q1 		$3.41M Buy
62,300
+33,300
+115% +$1.8M 0.01% 984
2016
Q4 		$1.57M Buy
29,000
+12,400
+75% +$748K 0.01% 1305
2016
Q3 		$1.22M Buy
16,600
+1,200
+8% +$75.2K 0.01% 1254
2016
Q2 		$782K Buy
+15,400
New +$680K ﹤0.01% 1292
2014
Q1 		– Sell
-62,300
Closed -$2.11M – 2235
2013
Q4 		$2.11M Buy
62,300
+14,500
+30% +$333K 0.02% 717
2013
Q3 		$934K Buy
+47,800
New +$813K 0.01% 997

Other funds holding AMBA

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JCAM
Jericho Capital Asset Management New York $6.76B AUM 88.1% 1-Year Est. Return
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
SPC
Slate Path Capital New York $6.73B AUM 95.97% 1-Year Est. Return

Two Sigma Advisers's AMBA Position: Q4 2025 in Review

Two Sigma Advisers sold out of Ambarella (AMBA) in Q4 2025, closing a stake of 2,600 shares — an estimated $215K sold.

Two Sigma Advisers first reported a position in AMBA in Q3 2013 and held it in 38 quarters. The position peaked at $36.9M in Q3 2021. 323 funds tracked by Wall St. Rank hold AMBA as of Q4 2025.

  • Two Sigma Advisers reported no remaining Ambarella position as of Q4 2025 after selling out during the quarter.
  • Two Sigma Advisers sold 2,600 Ambarella shares in Q4 2025, an estimated $215K.
  • Two Sigma Advisers first reported a position in Ambarella in Q3 2013 and held it in 38 quarters.
  • Two Sigma Advisers's Ambarella position peaked at $36.9M in Q3 2021.
  • 323 funds tracked by Wall St. Rank held Ambarella as of Q4 2025.

Based on Two Sigma Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.