JY
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Jeff Yass’s AmpliTech AMPG Stock Holding History

Jeff Yass’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 		$11.7M Buy
1,683,000
+1,055,200
+168% +$4.42M ﹤0.01% 3138
2026
Q1 		$1.19M Buy
627,800
+567,200
+936% +$1.68M ﹤0.01% 7430
2025
Q4 		$181K Buy
+60,600
New +$205K ﹤0.01% 10989

Other funds holding AMPG

BA
Bard Associates Chicago, Illinois $451M AUM 66.6% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
BlackRock
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
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
EI
EAM Investors Solana Beach, California $1.12B AUM 390.6% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Jeff Yass's AMPG Position: Q2 2026 in Review

Jeff Yass opened a new position in AmpliTech (AMPG) in Q2 2026: 11,129 shares worth $77.5K. The stake represents ﹤0.01% of the portfolio and ranks #12647 among its holdings. This is a return to the name: Jeff Yass previously reported a position in AMPG as recently as Q4 2025.

Jeff Yass first reported a position in AMPG in Q1 2022 and has held it in 7 quarters since. The position peaked at $149K in Q4 2025. 64 funds tracked by Wall St. Rank hold AMPG as of Q2 2026.

  • Jeff Yass held 11,129 shares of AmpliTech worth $77.5K as of Q2 2026.
  • AmpliTech was a new Jeff Yass position in Q2 2026.
  • AmpliTech made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #12647 holding.
  • Jeff Yass first reported a position in AmpliTech in Q1 2022 and has held it in 7 quarters since.
  • Jeff Yass's AmpliTech position peaked at $149K in Q4 2025.
  • 64 funds tracked by Wall St. Rank held AmpliTech as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.