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K2 Principal Fund’s Ambarella AMBA Stock Holding History

K2 Principal Fund’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 		$772K Buy
+9,000
New +$619K 0.06% 268
2017
Q3 		– Sell
-70,000
Closed -$3.4M – 320
2017
Q2 		$3.4M Buy
70,000
+42,250
+152% +$2.34M 0.23% 109
2017
Q1 		$1.52M Buy
+27,750
New +$1.5M 0.13% 152

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

K2 Principal Fund's AMBA Position: Q2 2026 in Review

K2 Principal Fund opened a new position in Ambarella (AMBA) in Q2 2026: 9,000 shares worth $772K. The stake represents 0.06% of the portfolio and ranks #268 among its holdings. This is a return to the name: K2 Principal Fund previously reported a position in AMBA as recently as Q2 2017.

K2 Principal Fund first reported a position in AMBA in Q1 2017 and has held it in 3 quarters since. The position peaked at $3.4M in Q2 2017. 342 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

  • K2 Principal Fund held 9,000 shares of Ambarella worth $772K as of Q2 2026.
  • Ambarella was a new K2 Principal Fund position in Q2 2026.
  • Ambarella made up 0.06% of K2 Principal Fund's portfolio in Q2 2026, its #268 holding.
  • K2 Principal Fund first reported a position in Ambarella in Q1 2017 and has held it in 3 quarters since.
  • K2 Principal Fund's Ambarella position peaked at $3.4M in Q2 2017.
  • 342 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on K2 Principal Fund's 13F filing for Q2 2026, filed 7 Aug 2026.