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John Overdeck’s AmpliTech AMPG Stock Holding History

John Overdeck’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 		$641K Buy
92,032
+42,993
+88% +$180K ﹤0.01% 3971
2026
Q1 		$93.2K Sell
49,039
-66,775
-58% -$197K ﹤0.01% 4392
2025
Q4 		$346K Buy
115,814
+85,283
+279% +$288K ﹤0.01% 3518
2025
Q3 		$119K Buy
30,531
+9,570
+46% +$31.4K ﹤0.01% 3446
2025
Q2 		$44.4K Buy
+20,961
New +$39.8K ﹤0.01% 3075

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

John Overdeck's AMPG Position: Q2 2026 in Review

John Overdeck increased its AmpliTech (AMPG) stake by 88% in Q2 2026, buying an estimated $180K and bringing the position to 92,032 shares worth $641K. The position accounts for ﹤0.01% of the portfolio, ranked #3971.

John Overdeck first reported a position in AMPG in Q2 2025 and has held it in 5 quarters since. 64 funds tracked by Wall St. Rank hold AMPG as of Q2 2026.

  • John Overdeck held 92,032 shares of AmpliTech worth $641K as of Q2 2026.
  • John Overdeck bought 42,993 AmpliTech shares in Q2 2026, an estimated $180K.
  • AmpliTech made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3971 holding.
  • John Overdeck first reported a position in AmpliTech in Q2 2025 and has held it in 5 quarters since.
  • 64 funds tracked by Wall St. Rank held AmpliTech as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.