Mariner
AMBA icon

Mariner’s Ambarella AMBA Stock Holding History

Mariner’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
Q2 		$1.5M Sell
17,500
-2,804
-14% -$193K ﹤0.01% 1668
2026
Q1 		$1.04M Buy
20,304
+12,927
+175% +$806K ﹤0.01% 1933
2025
Q4 		$522K Sell
7,377
-1,197
-14% -$96.7K ﹤0.01% 2418
2025
Q3 		$707K Buy
8,574
+219
+3% +$15.9K ﹤0.01% 2157
2025
Q2 		$552K Buy
8,355
+1,817
+28% +$96.4K ﹤0.01% 2250
2025
Q1 		$329K Buy
6,538
+440
+7% +$30.1K ﹤0.01% 2542
2024
Q4 		$444K Buy
6,098
+460
+8% +$29.3K ﹤0.01% 2284
2024
Q3 		$318K Buy
5,638
+749
+15% +$39.9K ﹤0.01% 2525
2024
Q2 		$264K Sell
4,889
-562
-10% -$27.9K ﹤0.01% 2557
2024
Q1 		$277K Buy
5,451
+1,147
+27% +$62.6K ﹤0.01% 2508
2023
Q4 		$264K Sell
4,304
-274
-6% -$15K ﹤0.01% 2453
2023
Q3 		$243K Sell
4,578
-121
-3% -$8.5K ﹤0.01% 2344
2023
Q2 		$393K Buy
4,699
+499
+12% +$36.5K ﹤0.01% 1914
2023
Q1 		$325K Buy
4,200
+354
+9% +$30.3K ﹤0.01% 2004
2022
Q4 		$316K Buy
+3,846
New +$256K ﹤0.01% 1981

Other funds holding AMBA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
MMH
Menora Mivtachim Holdings Ramat Gan, Israel $25.6B AUM 50.04% 1-Year Est. Return
SIMG
Stephens Investment Management Group Houston, Texas $9.33B AUM 56.1% 1-Year Est. Return

Mariner's AMBA Position: Q2 2026 in Review

Mariner reduced its Ambarella (AMBA) stake by 14% in Q2 2026, selling an estimated $193K and leaving 17,500 shares worth $1.5M. The position accounts for ﹤0.01% of the portfolio, ranked #1668.

Mariner first reported a position in AMBA in Q4 2022 and has held it in 15 quarters since. 339 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

  • Mariner held 17,500 shares of Ambarella worth $1.5M as of Q2 2026.
  • Mariner sold 2,804 Ambarella shares in Q2 2026, an estimated $193K.
  • Ambarella made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1668 holding.
  • Mariner first reported a position in Ambarella in Q4 2022 and has held it in 15 quarters since.
  • 339 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.