Y-Intercept (HK)’s Ambarella AMBA Stock Holding History

Y-Intercept (HK)’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 Q3	$1.33M	Sell	19,093 -23,653	-55%	-$1.71M	0.03%	853
2026 Q2	$3.67M	Sell	42,746 -322	-0.7%	-$22.2K	0.07%	392
2026 Q1	$2.22M	Buy	43,068 +264	+0.6%	+$16.5K	0.04%	668
2025 Q4	$3.03M	Buy	42,804 +39,166	+1,077%	+$3.16M	0.07%	422
2025 Q3	$300K	Sell	3,638 -15,971	-81%	-$1.16M	0.01%	1376
2025 Q2	$1.3M	Buy	19,609 +11,941	+156%	+$633K	0.03%	815
2025 Q1	$386K	Sell	7,668 -124	-2%	-$8.49K	0.03%	812
2024 Q4	$567K	Sell	7,792 -4,781	-38%	-$305K	0.04%	671
2024 Q3	$709K	Buy	12,573 +1,002	+9%	+$53.3K	0.04%	602
2024 Q2	$624K	Buy	+11,571	New	+$575K	0.03%	724
2023 Q2	–	Sell	-3,316	Closed	-$257K	–	1238
2023 Q1	$257K	Buy	+3,316	New	+$284K	0.03%	844

Other funds holding AMBA

Pinnacle Associates New York $8.92B AUM 43.91% 1-Year Est. Return

Essex Investment Management Boston, Massachusetts $675M AUM 61.81% 1-Year Est. Return

Harbor Capital Advisors Chicago, Illinois $1.48B AUM 30.88% 1-Year Est. Return

Linden Thomas Advisory Services Charlotte, North Carolina $1.26B AUM 37.95% 1-Year Est. Return

KBC Group Brussels, Belgium $47.9B AUM 37.61% 1-Year Est. Return

Red Spruce Capital Berwyn, Pennsylvania $283M AUM 29.49% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return

Hennion & Walsh Asset Management Parsippany, New Jersey $3.42B AUM 25.82% 1-Year Est. Return

Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return

Counterpoint Mutual Funds San Diego, California $1.16B AUM 33.78% 1-Year Est. Return

Y-Intercept (HK)'s AMBA Position: Q3 2026 in Review

Y-Intercept (HK) reduced its Ambarella (AMBA) stake by 55% in Q3 2026, selling an estimated $1.71M and leaving 19,093 shares worth $1.33M. The position accounts for 0.03% of the portfolio, ranked #853.

Y-Intercept (HK) first reported a position in AMBA in Q1 2023 and has held it in 11 quarters since. The position peaked at $3.67M in Q2 2026. 46 funds tracked by Wall St. Rank hold AMBA as of Q3 2026.

Y-Intercept (HK) held 19,093 shares of Ambarella worth $1.33M as of Q3 2026.
Y-Intercept (HK) sold 23,653 Ambarella shares in Q3 2026, an estimated $1.71M.
Ambarella made up 0.03% of Y-Intercept (HK)'s portfolio in Q3 2026, its #853 holding.
Y-Intercept (HK) first reported a position in Ambarella in Q1 2023 and has held it in 11 quarters since.
Y-Intercept (HK)'s Ambarella position peaked at $3.67M in Q2 2026.
46 funds tracked by Wall St. Rank held Ambarella as of Q3 2026.

Based on Y-Intercept (HK)'s 13F filing for Q3 2026, filed 16 Oct 2026.