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
-25,900
Closed -$5.25M – 2627
2021
Q4 		$5.25M Buy
25,900
+19,700
+318% +$3.65M 0.01% 1169
2021
Q3 		$966K Sell
6,200
-12,200
-66% -$1.4M ﹤0.01% 2646
2021
Q2 		$1.96M Buy
18,400
+8,000
+77% +$792K ﹤0.01% 1878
2021
Q1 		$1.04M Buy
10,400
+5,400
+108% +$588K ﹤0.01% 2275
2020
Q4 		$459K Buy
5,000
+500
+11% +$35K ﹤0.01% 2574
2020
Q3 		$235K Buy
+4,500
New +$218K ﹤0.01% 2723
2020
Q2 		– Sell
-8,300
Closed -$403K – 2905
2020
Q1 		$403K Sell
8,300
-2,600
-24% -$149K ﹤0.01% 2087
2019
Q4 		$660K Sell
10,900
-8,300
-43% -$460K ﹤0.01% 2570
2019
Q3 		$1.21M Buy
+19,200
New +$996K ﹤0.01% 1822
2019
Q1 		– Sell
-10,300
Closed -$360K – 2990
2018
Q4 		$360K Buy
10,300
+4,300
+72% +$152K ﹤0.01% 2325
2018
Q3 		$232K Sell
6,000
-18,700
-76% -$725K ﹤0.01% 2922
2018
Q2 		$954K Buy
24,700
+5,700
+30% +$270K ﹤0.01% 2182
2018
Q1 		$931K Sell
19,000
-8,000
-30% -$415K ﹤0.01% 2055
2017
Q4 		$1.59M Buy
27,000
+2,000
+8% +$111K 0.01% 1643
2017
Q3 		$1.23M Buy
25,000
+16,000
+178% +$789K ﹤0.01% 1603
2017
Q2 		$437K Sell
9,000
-6,900
-43% -$382K ﹤0.01% 2421
2017
Q1 		$870K Buy
15,900
+4,900
+45% +$264K ﹤0.01% 2004
2016
Q4 		$595K Sell
11,000
-19,000
-63% -$1.15M ﹤0.01% 2394
2016
Q3 		$2.21M Buy
+30,000
New +$1.88M 0.01% 1385
2015
Q3 		– Sell
-3,000
Closed -$308K – 2159
2015
Q2 		$308K Buy
+3,000
New +$262K ﹤0.01% 2415

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.