CIM
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CIM Investment Management’s Ambarella AMBA Stock Holding History

CIM Investment Management’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 		$309K Buy
5,998
+1,810
+43% +$113K 0.08% 193
2025
Q4 		$297K Hold
4,188
– – 0.08% 180
2025
Q3 		$346K Sell
4,188
-4,510
-52% -$328K 0.09% 167
2025
Q2 		$604K Buy
8,698
+4,365
+101% +$231K 0.12% 159
2025
Q1 		$218K Sell
4,333
-103
-2% -$7.05K 0.05% 209
2024
Q4 		$323K Hold
4,436
– – 0.09% 182
2024
Q3 		$250K Hold
4,436
– – 0.07% 201
2024
Q2 		$239K Buy
+4,436
New +$220K 0.07% 206
2022
Q2 		– Sell
-2,074
Closed -$218K – 234
2022
Q1 		$218K Buy
+2,074
New +$264K 0.07% 219
2015
Q4 		– Sell
-3,572
Closed -$206K – 253
2015
Q3 		$206K Buy
+3,572
New +$337K 0.1% 230

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
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
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

CIM Investment Management's AMBA Position: Q1 2026 in Review

CIM Investment Management increased its Ambarella (AMBA) stake by 43% in Q1 2026, buying an estimated $113K and bringing the position to 5,998 shares worth $309K. The position accounts for 0.08% of the portfolio, ranked #193.

CIM Investment Management first reported a position in AMBA in Q3 2015 and has held it in 10 quarters since. The position peaked at $604K in Q2 2025. 307 funds tracked by Wall St. Rank hold AMBA as of Q1 2026.

  • CIM Investment Management held 5,998 shares of Ambarella worth $309K as of Q1 2026.
  • CIM Investment Management bought 1,810 Ambarella shares in Q1 2026, an estimated $113K.
  • Ambarella made up 0.08% of CIM Investment Management's portfolio in Q1 2026, its #193 holding.
  • CIM Investment Management first reported a position in Ambarella in Q3 2015 and has held it in 10 quarters since.
  • CIM Investment Management's Ambarella position peaked at $604K in Q2 2025.
  • 307 funds tracked by Wall St. Rank held Ambarella as of Q1 2026.

Based on CIM Investment Management's 13F filing for Q1 2026, filed 19 May 2026.