Marshall Wace’s AmpliTech AMPG Stock Holding History

Marshall Wace’s Portfolio AMPG Stock Details AMPG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-14,442	Closed	-$27.4K	–	3137
2026 Q1	$27.4K	Sell	14,442 -46,167	-76%	-$136K	﹤0.01%	3025
2025 Q4	$181K	Buy	+60,609	New	+$205K	﹤0.01%	2614
2021 Q3	–	Sell	-13,835	Closed	-$64K	–	2986
2021 Q2	$64K	Buy	+13,835	New	+$79.6K	﹤0.01%	2563

Other funds holding AMPG

Bard Associates Chicago, Illinois $451M AUM 66.6% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

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

LCM

Landscape Capital Management Englewood, New Jersey $1.54B AUM 30.95% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

EAM Investors Solana Beach, California $1.12B AUM 390.6% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Marshall Wace's AMPG Position: Q2 2026 in Review

Marshall Wace sold out of AmpliTech (AMPG) in Q2 2026, closing a stake of 14,442 shares — an estimated $27.4K sold.

Marshall Wace first reported a position in AMPG in Q2 2021 and held it in 3 quarters. The position peaked at $181K in Q4 2025. 64 funds tracked by Wall St. Rank hold AMPG as of Q2 2026.

Marshall Wace reported no remaining AmpliTech position as of Q2 2026 after selling out during the quarter.
Marshall Wace sold 14,442 AmpliTech shares in Q2 2026, an estimated $27.4K.
Marshall Wace first reported a position in AmpliTech in Q2 2021 and held it in 3 quarters.
Marshall Wace's AmpliTech position peaked at $181K in Q4 2025.
64 funds tracked by Wall St. Rank held AmpliTech as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.