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

Two Sigma Investments’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
2022
Q1 		– Sell
-31,900
Closed -$6.47M – 2628
2021
Q4 		$6.47M Buy
31,900
+22,900
+254% +$4.25M 0.01% 1043
2021
Q3 		$1.4M Sell
9,000
-13,500
-60% -$1.55M ﹤0.01% 2306
2021
Q2 		$2.4M Buy
22,500
+5,700
+34% +$564K 0.01% 1724
2021
Q1 		$1.69M Buy
16,800
+10,300
+158% +$1.12M ﹤0.01% 1846
2020
Q4 		$597K Buy
6,500
+2,100
+48% +$147K ﹤0.01% 2374
2020
Q3 		$230K Buy
+4,400
New +$213K ﹤0.01% 2740
2020
Q2 		– Sell
-11,300
Closed -$549K – 2906
2020
Q1 		$549K Sell
11,300
-2,800
-20% -$161K ﹤0.01% 1859
2019
Q4 		$854K Sell
14,100
-7,000
-33% -$388K ﹤0.01% 2321
2019
Q3 		$1.33M Buy
+21,100
New +$1.09M ﹤0.01% 1749
2019
Q1 		– Sell
-10,000
Closed -$350K – 2991
2018
Q4 		$350K Buy
10,000
+3,000
+43% +$106K ﹤0.01% 2348
2018
Q3 		$271K Sell
7,000
-20,500
-75% -$794K ﹤0.01% 2828
2018
Q2 		$1.06M Buy
27,500
+5,800
+27% +$275K ﹤0.01% 2105
2018
Q1 		$1.06M Buy
21,700
+8,300
+62% +$431K ﹤0.01% 1970
2017
Q4 		$787K Sell
13,400
-14,500
-52% -$806K ﹤0.01% 2129
2017
Q3 		$1.37M Buy
27,900
+19,900
+249% +$982K ﹤0.01% 1532
2017
Q2 		$388K Sell
8,000
-7,000
-47% -$388K ﹤0.01% 2503
2017
Q1 		$821K Buy
15,000
+5,000
+50% +$270K ﹤0.01% 2044
2016
Q4 		$541K Sell
10,000
-17,000
-63% -$1.03M ﹤0.01% 2461
2016
Q3 		$1.99M Buy
+27,000
New +$1.69M 0.01% 1457
2015
Q3 		– Sell
-3,000
Closed -$308K – 2161
2015
Q2 		$308K Buy
+3,000
New +$262K ﹤0.01% 2416

Other funds holding AMBA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return

Two Sigma Investments's AMBA Position: Q1 2026 in Review

Two Sigma Investments increased its Ambarella (AMBA) stake by 29% in Q1 2026, buying an estimated $181K and bringing the position to 12,768 shares worth $657K. The position accounts for ﹤0.01% of the portfolio, ranked #3541.

Two Sigma Investments first reported a position in AMBA in Q3 2013 and has held it in 41 quarters since. The position peaked at $53.2M in Q3 2021. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

  • Two Sigma Investments held 12,768 shares of Ambarella worth $657K as of Q1 2026.
  • Two Sigma Investments bought 2,900 Ambarella shares in Q1 2026, an estimated $181K.
  • Ambarella made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #3541 holding.
  • Two Sigma Investments first reported a position in Ambarella in Q3 2013 and has held it in 41 quarters since.
  • Two Sigma Investments's Ambarella position peaked at $53.2M in Q3 2021.
  • 305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.