Dimensional Fund Advisors
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Dimensional Fund Advisors’s AmpliTech AMPG Stock Holding History

Dimensional Fund Advisors’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 		$1.29M Sell
185,421
-30,127
-14% -$126K ﹤0.01% 2820
2026
Q1 		$410K Buy
215,548
+131,599
+157% +$389K ﹤0.01% 2970
2025
Q4 		$251K Buy
83,949
+20,898
+33% +$70.6K ﹤0.01% 3066
2025
Q3 		$245K Buy
63,051
+24,302
+63% +$79.7K ﹤0.01% 3095
2025
Q2 		$82.1K Buy
+38,749
New +$73.5K ﹤0.01% 3200
2023
Q4 		– Sell
-11,861
Closed -$24.3K – 3415
2023
Q3 		$24.3K Sell
11,861
-11,408
-49% -$23.5K ﹤0.01% 3433
2023
Q2 		$53.8K Buy
23,269
+9,582
+70% +$26.2K ﹤0.01% 3402
2023
Q1 		$37.1K Hold
13,687
– – ﹤0.01% 3406
2022
Q4 		$29 Buy
+13,687
New +$30.2K ﹤0.01% 3439

Other funds holding AMPG

BA
Bard Associates Chicago, Illinois $451M AUM 66.6% 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
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
PI
PFG Investments Woodbury, New York $2.58B AUM 36.93% 1-Year Est. Return
National Bank of Canada
National Bank of Canada Montreal, Quebec, Canada $140B AUM 46.34% 1-Year Est. Return
TSW
Thompson Siegel & Walmsley Richmond, Virginia $5.57B AUM 9.46% 1-Year Est. Return
FIA
FNY Investment Advisers New York $278M AUM 98.99% 1-Year Est. Return

Dimensional Fund Advisors's AMPG Position: Q2 2026 in Review

Dimensional Fund Advisors reduced its AmpliTech (AMPG) stake by 14% in Q2 2026, selling an estimated $126K and leaving 185,421 shares worth $1.29M. The position accounts for ﹤0.01% of the portfolio, ranked #2820.

Dimensional Fund Advisors first reported a position in AMPG in Q4 2022 and has held it in 9 quarters since. 35 funds tracked by Wall St. Rank hold AMPG as of Q2 2026.

  • Dimensional Fund Advisors held 185,421 shares of AmpliTech worth $1.29M as of Q2 2026.
  • Dimensional Fund Advisors sold 30,127 AmpliTech shares in Q2 2026, an estimated $126K.
  • AmpliTech made up ﹤0.01% of Dimensional Fund Advisors's portfolio in Q2 2026, its #2820 holding.
  • Dimensional Fund Advisors first reported a position in AmpliTech in Q4 2022 and has held it in 9 quarters since.
  • 35 funds tracked by Wall St. Rank held AmpliTech as of Q2 2026.

Based on Dimensional Fund Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.