GROUP ONE TRADING, LP: all contributions

2025–2026 · Reported individual contributions grouped by employer.

These are contributions by individuals, not by their employer, industry, or location. Refunds remain negative; memo-only rows are marked and are not additional money.

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#	Reported contributor / location	Reported employer / occupation	Recipient / reporting committee	Date ↕	Amount ↑	Election	Filing details / source
101	ALAIMO, CHARLES J.GARDEN CITY NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	OSSOFF VICTORY FUNDC00750919	2025-10-12	$3,500	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1943005FEC filing ↗
102	ALAIMO, CHARLESSTEWART MANOR NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	ACTBLUEC00401224	2025-10-12	$3,500	Not reported	EARMARKED FOR OSSOFF VICTORY FUND (C00750919)Filing 1953256 · amendedFEC filing ↗
103	ALAIMO, CHARLESGARDEN CITY NY 11630	MANAGING DIRECTOR, HR GROUP ONE TRADING	ACTBLUEC00401224	2026-04-15	$3,500	Primary (P)	EARMARKED FOR DARIALIZA FOR CONGRESS (C00927541)Filing 1977432FEC filing ↗
104	ALAIMO, CHARLESGARDEN CITY NY 11630	MANAGING DIRECTOR, HR GROUP ONE TRADING	ACTBLUEC00401224	2026-06-09	$3,500	Primary (P)	EARMARKED FOR OSSOFF VICTORY FUND (C00750919)Filing 2000535FEC filing ↗
105	ALAIMO, CHARLESGARDEN CITY NY 11630	MANAGING DIRECTOR, HR GROUP ONE TRADING	ACTBLUEC00401224	2025-04-16	$3,500	Not reported	EARMARKED FOR THE KLOBUCHAR VICTORY COMMITTEE (C00744987)Filing 1909062FEC filing ↗
106	ALAIMO, CHARLES J.STEWART MANOR NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	THE KLOBUCHAR VICTORY COMMITTEEC00744987	2025-04-16	$3,500	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1908909FEC filing ↗
107	ALAIMO, CHARLESGARDEN CITY NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	RO FOR CONGRESS INCC00503185	2025-06-04	$3,500	General 2026 (G2026)	Filing 1901934FEC filing ↗
108	ALAIMO, CHARLESGARDEN CITY NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	RO FOR CONGRESS INCC00503185	2025-06-04	$3,500	Primary 2026 (P2026)	Filing 1901934FEC filing ↗
109	ALAIMO, CHARLESGARDEN CITY NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	DNC SERVICES CORP / DEMOCRATIC NATIONAL COMMITTEEC00010603	2025-08-25	$4,800	General 2025 (G2025)	Filing 1916330FEC filing ↗
110	ALAIMO, CHARLES J.GARDEN CITY NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	OSSOFF VICTORY FUNDC00750919	2025-11-03	$5,860	Primary (P)	* IN-KIND: CATERING & FACILITY RENTALFiling 1943005FEC filing ↗
111	ALAIMO, CHARLESGARDEN CITY NY 11630	MANAGING DIRECTOR, HR GROUP ONE TRADING	ACTBLUEC00401224	2025-04-16	$7,000	Not reported	EARMARKED FOR OSSOFF VICTORY FUND (C00750919)Filing 1909062FEC filing ↗
112	ALAIMO, CHARLES J.GARDEN CITY NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	OSSOFF VICTORY FUNDC00750919	2025-04-16	$7,000	Primary (P)	* EARMARKED CONTRIBUTION: SEE BELOWFiling 1909350FEC filing ↗
113	ALAIMO, CHARLESGARDEN CITY NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	DNC SERVICES CORP / DEMOCRATIC NATIONAL COMMITTEEC00010603	2025-08-13	$10,000	General 2025 (G2025)	Filing 1916330FEC filing ↗
114	ALAIMO, CHARLESGARDEN CITY NY 11530	MANAGING DIRECTOR GROUP ONE TRADING	DNC SERVICES CORP / DEMOCRATIC NATIONAL COMMITTEEC00010603	2025-04-15	$25,000	General 2025 (G2025)	Filing 1893641FEC filing ↗

One page is fetched at a time, with one extra row to check for the next page. Current amendment versions are selected before pagination. Raw reported names and filing values are preserved. This list covers locally ingested FEC individual-contribution records, not undisclosed or unitemized contributor identities.