XT
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XTX Topco’s Ambarella AMBA Stock Holding History

XTX Topco’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 		$405K Sell
4,720
-12,315
-72% -$847K 0.01% 2643
2026
Q1 		$877K Buy
+17,035
New +$1.06M 0.02% 1531
2025
Q1 		– Sell
-6,526
Closed -$475K – 2362
2024
Q4 		$475K Sell
6,526
-8,412
-56% -$536K 0.04% 804
2024
Q3 		$843K Buy
+14,938
New +$795K 0.06% 507
2023
Q4 		– Sell
-13,256
Closed -$703K – 1549
2023
Q3 		$703K Buy
+13,256
New +$931K 0.12% 224

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

XTX Topco's AMBA Position: Q2 2026 in Review

XTX Topco reduced its Ambarella (AMBA) stake by 72% in Q2 2026, selling an estimated $847K and leaving 4,720 shares worth $405K. The position accounts for 0.01% of the portfolio, ranked #2643.

XTX Topco first reported a position in AMBA in Q3 2023 and has held it in 5 quarters since. The position peaked at $877K in Q1 2026. 339 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

  • XTX Topco held 4,720 shares of Ambarella worth $405K as of Q2 2026.
  • XTX Topco sold 12,315 Ambarella shares in Q2 2026, an estimated $847K.
  • Ambarella made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2643 holding.
  • XTX Topco first reported a position in Ambarella in Q3 2023 and has held it in 5 quarters since.
  • XTX Topco's Ambarella position peaked at $877K in Q1 2026.
  • 339 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.