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Tower Research Capital (TRC)’s Ambarella AMBA Stock Holding History

Tower Research Capital (TRC)’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
2026
Q1 		$147K Buy
2,859
+604
+27% +$37.7K ﹤0.01% 1861
2025
Q4 		$160K Buy
2,255
+64
+3% +$5.17K ﹤0.01% 1608
2025
Q3 		$181K Sell
2,191
-4,733
-68% -$344K 0.01% 1546
2025
Q2 		$457K Buy
6,924
+6,516
+1,597% +$346K 0.01% 1060
2025
Q1 		$20.2K Sell
408
-716
-64% -$49K ﹤0.01% 2956
2024
Q4 		$81.8K Buy
1,124
+843
+300% +$53.7K ﹤0.01% 2270
2024
Q3 		$15.8K Sell
281
-6,309
-96% -$336K ﹤0.01% 3393
2024
Q2 		$356K Buy
6,590
+5,369
+440% +$267K 0.01% 1618
2024
Q1 		$62K Sell
1,221
-345
-22% -$18.8K ﹤0.01% 2129
2023
Q4 		$96K Sell
1,566
-2,674
-63% -$146K ﹤0.01% 2671
2023
Q3 		$225K Buy
4,240
+4,203
+11,359% +$295K 0.01% 1359
2023
Q2 		$3.1K Sell
37
-1,118
-97% -$81.8K ﹤0.01% 5111
2023
Q1 		$89K Buy
1,155
+404
+54% +$34.6K ﹤0.01% 1971
2022
Q4 		$62K Sell
751
-2,273
-75% -$151K ﹤0.01% 2173
2022
Q3 		$170K Sell
3,024
-64
-2% -$4.74K ﹤0.01% 2076
2022
Q2 		$202K Buy
3,088
+2,280
+282% +$184K ﹤0.01% 1764
2022
Q1 		$84K Sell
808
-398
-33% -$50.7K ﹤0.01% 2337
2021
Q4 		$244K Buy
1,206
+48
+4% +$8.9K ﹤0.01% 1611
2021
Q3 		$181K Sell
1,158
-1,414
-55% -$163K ﹤0.01% 1909
2021
Q2 		$274K Sell
2,572
-59
-2% -$5.84K 0.01% 1678
2021
Q1 		$264K Sell
2,631
-618
-19% -$67.3K ﹤0.01% 1770
2020
Q4 		$298K Sell
3,249
-20,381
-86% -$1.43M 0.01% 1393
2020
Q3 		$1.23M Buy
23,630
+18,855
+395% +$912K 0.01% 782
2020
Q2 		$219K Buy
+4,775
New +$246K 0.01% 1712
2019
Q4 		– Sell
-751
Closed -$47K – 3475
2019
Q3 		$47K Buy
751
+403
+116% +$20.9K ﹤0.01% 1833
2019
Q2 		$15K Sell
348
-278
-44% -$12.5K ﹤0.01% 2325
2019
Q1 		$27K Buy
626
+381
+156% +$15.1K ﹤0.01% 2101
2018
Q4 		$9K Buy
245
+183
+295% +$6.48K ﹤0.01% 2513
2018
Q3 		$2K Sell
62
-12,766
-100% -$495K ﹤0.01% 3400
2018
Q2 		$495K Buy
12,828
+8,592
+203% +$407K 0.03% 648
2018
Q1 		$208K Buy
+4,236
New +$220K 0.02% 859
2017
Q4 		– Sell
-3,179
Closed -$156K – 3468
2017
Q3 		$156K Buy
+3,179
New +$157K 0.01% 959
2017
Q2 		– Sell
-219
Closed -$12K – 2651
2017
Q1 		$12K Sell
219
-686
-76% -$37K ﹤0.01% 1626
2016
Q4 		$49K Sell
905
-437
-33% -$26.4K 0.01% 1436
2016
Q3 		$99K Sell
1,342
-255
-16% -$16K 0.01% 821
2016
Q2 		$81K Buy
+1,597
New +$70.6K 0.01% 1237
2016
Q1 		– Sell
-887
Closed -$49K – 4055
2015
Q4 		$49K Buy
887
+787
+787% +$44.4K 0.01% 566
2015
Q3 		$6K Sell
100
-858
-90% -$81K ﹤0.01% 2634
2015
Q2 		$98K Sell
958
-972
-50% -$85K 0.01% 849
2015
Q1 		$146K Buy
1,930
+1,905
+7,620% +$116K 0.02% 594
2014
Q4 		$1K Buy
+25
New +$1.17K ﹤0.01% 3582
2014
Q3 		– Sell
-32
Closed -$1K – 4383
2014
Q2 		$1K Sell
32
-1,574
-98% -$41.6K ﹤0.01% 3610
2014
Q1 		$43K Buy
+1,606
New +$49.2K 0.01% 1209
2013
Q4 		– Sell
-4,303
Closed -$84K – 4421
2013
Q3 		$84K Buy
4,303
+3,456
+408% +$58.8K 0.01% 1443
2013
Q2 		$14K Buy
+847
New +$12.9K ﹤0.01% 2030

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

Tower Research Capital (TRC)'s AMBA Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Ambarella (AMBA) stake by 27% in Q1 2026, buying an estimated $37.7K and bringing the position to 2,859 shares worth $147K. The position accounts for ﹤0.01% of the portfolio, ranked #1861.

Tower Research Capital (TRC) first reported a position in AMBA in Q2 2013 and has held it in 45 quarters since. The position peaked at $1.23M in Q3 2020. 305 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

  • Tower Research Capital (TRC) held 2,859 shares of Ambarella worth $147K as of Q1 2026.
  • Tower Research Capital (TRC) bought 604 Ambarella shares in Q1 2026, an estimated $37.7K.
  • Ambarella made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #1861 holding.
  • Tower Research Capital (TRC) first reported a position in Ambarella in Q2 2013 and has held it in 45 quarters since.
  • Tower Research Capital (TRC)'s Ambarella position peaked at $1.23M in Q3 2020.
  • 305 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.