Summit Securities Group’s Ambarella AMBA Stock Holding History

Summit Securities Group’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	$67.5K	Buy	+787	New	+$54.2K	0.01%	514
2025 Q3	–	Sell	-2,000	Closed	-$132K	–	1004
2025 Q2	$132K	Buy	+2,000	New	+$106K	0.03%	321
2023 Q2	–	Sell	-7	Closed	-$1K	–	866
2023 Q1	$1K	Hold	7	–	–	﹤0.01%	746
2022 Q4	$1K	Buy	+7	New	+$466	﹤0.01%	1113
2016 Q4	–	Sell	-3,189	Closed	-$235K	–	267
2016 Q3	$235K	Buy	+3,189	New	+$200K	0.08%	118
2013 Q3	–	Sell	-1,400	Closed	-$24K	–	418
2013 Q2	$24K	Buy	+1,400	New	+$21.3K	0.01%	230

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

Summit Securities Group's AMBA Position: Q2 2026 in Review

Summit Securities Group opened a new position in Ambarella (AMBA) in Q2 2026: 787 shares worth $67.5K. The stake represents 0.01% of the portfolio and ranks #514 among its holdings. This is a return to the name: Summit Securities Group previously reported a position in AMBA as recently as Q2 2025.

Summit Securities Group first reported a position in AMBA in Q2 2013 and has held it in 6 quarters since. The position peaked at $235K in Q3 2016. 342 funds tracked by Wall St. Rank hold AMBA as of Q2 2026.

Summit Securities Group held 787 shares of Ambarella worth $67.5K as of Q2 2026.
Ambarella was a new Summit Securities Group position in Q2 2026.
Ambarella made up 0.01% of Summit Securities Group's portfolio in Q2 2026, its #514 holding.
Summit Securities Group first reported a position in Ambarella in Q2 2013 and has held it in 6 quarters since.
Summit Securities Group's Ambarella position peaked at $235K in Q3 2016.
342 funds tracked by Wall St. Rank held Ambarella as of Q2 2026.

Based on Summit Securities Group's 13F filing for Q2 2026, filed 3 Aug 2026.