SEI Investments’s AmpliTech AMPG Stock Holding History

SEI Investments’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 Q3	–	Sell	-79,747	Closed	-$555K	–	3300
2026 Q2	$555K	Buy	+79,747	New	+$334K	﹤0.01%	2595
2026 Q1	–	Sell	-106,639	Closed	-$319K	–	3237
2025 Q4	$319K	Buy	+106,639	New	+$360K	﹤0.01%	2706

Other funds holding AMPG

Bard Associates Chicago, Illinois $431M AUM 30.93% 1-Year Est. Return

Marshall Wace London, United Kingdom $114B AUM 35.47% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Landscape Capital Management Englewood, New Jersey $1.34B AUM 18.69% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Group One Trading Chicago, Illinois $73.3B AUM 63.67% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $463B AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

SEI Investments's AMPG Position: Q3 2026 in Review

SEI Investments sold out of AmpliTech (AMPG) in Q3 2026, closing a stake of 79,747 shares — an estimated $555K sold.

SEI Investments first reported a position in AMPG in Q4 2025 and held it in 2 quarters. The position peaked at $555K in Q2 2026. 43 funds tracked by Wall St. Rank hold AMPG as of Q3 2026.

SEI Investments reported no remaining AmpliTech position as of Q3 2026 after selling out during the quarter.
SEI Investments sold 79,747 AmpliTech shares in Q3 2026, an estimated $555K.
SEI Investments first reported a position in AmpliTech in Q4 2025 and held it in 2 quarters.
SEI Investments's AmpliTech position peaked at $555K in Q2 2026.
43 funds tracked by Wall St. Rank held AmpliTech as of Q3 2026.

Based on SEI Investments's 13F filing for Q3 2026, filed 10 Nov 2026.