CORSAIR CAPITAL MANAGEMENT, L.P.

Position in AMPG — AmpliTech Group, Inc.

CIK 1276470 NEW YORK, NY

Position in AMPG

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$132,471

-$380,977 QoQ

Shares Held

69,722

-59.4% QoQ

Ownership

0.275%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Technology · as of Mar 31, 2026

CORSAIR CAPITAL MANAGEMENT, L.P. holds $5,821,269 across 5 Communication Equipment names. AMPG ranks #5 (2.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FEIM	Frequency Electronics Inc	60,070	$2,658,698
2	VISN	Vistance Networks, Inc.	110,000	$2,002,000
3	AAOI	Applied Optoelectronics, Inc.	8,000	$676,720
4	LITE	Lumentum Holdings Inc.	500	$351,380
5	AMPG	AmpliTech Group, Inc. This page	69,722	$132,471

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$132,471	69,722	-59.4%	Shares	Sole	2026-05-15
2025-12-31	$513,448	171,722	+71.7%	Shares	Sole	2026-02-17
2025-09-30	$389,000	100,000	—	Shares	Sole	2026-04-21
No filing history on record for this holder in this stock.