Shannon River Fund Management’s Ambarella AMBA Stock Holding History

Shannon River Fund 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 Q2	–	Sell	-114,940	Closed	-$5.92M	–	39
2026 Q1	$5.92M	Sell	114,940 -186,153	-62%	-$11.6M	1.13%	21
2025 Q4	$21.3M	Buy	+301,093	New	+$24.3M	3.35%	15
2022 Q4	–	Sell	-81,173	Closed	-$4.56M	–	31
2022 Q3	$4.56M	Sell	81,173 -59,483	-42%	-$4.41M	1.96%	15
2022 Q2	$9.21M	Buy	140,656 +67,870	+93%	+$5.47M	2.62%	15
2022 Q1	$7.64M	Sell	72,786 -47,774	-40%	-$6.09M	0.85%	28
2021 Q4	$24.5M	Sell	120,560 -91,997	-43%	-$17.1M	2.48%	17
2021 Q3	$33.1M	Sell	212,557 -54,926	-21%	-$6.31M	2.33%	17
2021 Q2	$28.5M	Buy	+267,483	New	+$26.5M	2.07%	18
2021 Q1	–	Sell	-128,324	Closed	-$11.8M	–	58
2020 Q4	$11.8M	Buy	+128,324	New	+$8.99M	1.11%	25
2017 Q2	–	Sell	-110,783	Closed	-$6.06M	–	32
2017 Q1	$6.06M	Buy	+110,783	New	+$5.98M	2.09%	17

Other funds holding AMBA

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $128B AUM 35.83% 1-Year Est. Return

Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

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

Shannon River Fund Management's AMBA Position: Q2 2026 in Review

Shannon River Fund Management sold out of Ambarella (AMBA) in Q2 2026, closing a stake of 114,940 shares — an estimated $5.92M sold.

Shannon River Fund Management first reported a position in AMBA in Q1 2017 and held it in 10 quarters. The position peaked at $33.1M in Q3 2021. 342 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

Shannon River Fund Management reported no remaining Ambarella position as of Q2 2026 after selling out during the quarter.
Shannon River Fund Management sold 114,940 Ambarella shares in Q2 2026, an estimated $5.92M.
Shannon River Fund Management first reported a position in Ambarella in Q1 2017 and held it in 10 quarters.
Shannon River Fund Management's Ambarella position peaked at $33.1M in Q3 2021.
342 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Shannon River Fund Management's 13F filing for Q2 2026, filed 13 Aug 2026.