CORSAIR CAPITAL MANAGEMENT, L.P.

Position in AMPG — AmpliTech Group, Inc.

CIK 1276470 NEW YORK, NY

Position in AMPG

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$213,825

+$81,354 QoQ

Shares Held

30,722

-55.9% QoQ

Ownership

0.102%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#30

of 63 holders

Holding Since

Sep 2025

4 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

CORSAIR CAPITAL MANAGEMENT, L.P. holds $4,635,739 across 4 Communication Equipment names. AMPG ranks #4 (4.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FEIM	Frequency Electronics Inc	41,070	$2,724,994
2	VISN	Vistance Networks, Inc.	98,000	$1,252,440
3	AAOI	Applied Optoelectronics, Inc.	3,000	$444,480
4	AMPG	AmpliTech Group, Inc. This page	30,722	$213,825

4 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$213,825	30,722	-55.9%	Shares	Sole	2026-08-14
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.