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Corsair Capital Management’s AmpliTech AMPG Stock Holding History

Corsair Capital Management’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
Q1 		$132K Sell
69,722
-102,000
-59% -$301K 0.02% 147
2025
Q4 		$513K Buy
171,722
+71,722
+72% +$242K 0.08% 93
2025
Q3 		$389K Buy
+100,000
New +$328K 0.06% 110

Other funds holding AMPG

BA
Bard Associates Chicago, Illinois $451M AUM 66.6% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CDMG
Creek Drive Management Group San Francisco, California $439M AUM
CCC
Cable Car Capital San Francisco, California $289M AUM 26.33% 1-Year Est. Return
IWC
Integrated Wealth Concepts Waltham, Massachusetts $20.5B AUM 24.45% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 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
PHS
Pekin Hardy Strauss Chicago, Illinois $1.14B AUM 37.36% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

Corsair Capital Management's AMPG Position: Q1 2026 in Review

Corsair Capital Management reduced its AmpliTech (AMPG) stake by 59% in Q1 2026, selling an estimated $301K and leaving 69,722 shares worth $132K. The position accounts for 0.02% of the portfolio, ranked #147.

Corsair Capital Management first reported a position in AMPG in Q3 2025 and has held it in 3 quarters since. The position peaked at $513K in Q4 2025. 38 funds tracked by Wall St. Rank hold AMPG as of Q1 2026.

  • Corsair Capital Management held 69,722 shares of AmpliTech worth $132K as of Q1 2026.
  • Corsair Capital Management sold 102,000 AmpliTech shares in Q1 2026, an estimated $301K.
  • AmpliTech made up 0.02% of Corsair Capital Management's portfolio in Q1 2026, its #147 holding.
  • Corsair Capital Management first reported a position in AmpliTech in Q3 2025 and has held it in 3 quarters since.
  • Corsair Capital Management's AmpliTech position peaked at $513K in Q4 2025.
  • 38 funds tracked by Wall St. Rank held AmpliTech as of Q1 2026.

Based on Corsair Capital Management's 13F filing for Q1 2026, filed 15 May 2026.