First seen by DFX
Sep 13, 2026
date not stated
Allen Holding Inc /NY: CANDIDATE_FAMILY_OFFICE -> NOT_FAMILY_OFFICE (Allen Holding Inc. at 711 Fifth Avenue is the holding company over Allen & Company, a boutique investment bank (its 13D groups shares held by Allen & Company Incorporated), not a family office.)
First seen by DFX
Sep 12, 2026
date not stated
Allen Holding Inc /NY files Form 13F (non_adviser_filer, $1,049,124,521 in 9 positions)
First seen by DFX
Sep 12, 2026
date not stated
Allen Holding Inc /NY: CANDIDATE_FAMILY_OFFICE -> CANDIDATE_FAMILY_OFFICE (13F filer that is on no adviser roster and is not institutional by name: could be an SFO, a corporate treasury or a trust company)
Allen Holding Inc /NY reported $1,007,773,543 across 9 13(f) positions for the quarter ended 2026-03-31
Allen Holding Inc /NY increased Pfizer Inc 1,519,800 -> 2,000,000 shares ($37,843,020 -> $56,160,000)
Allen Holding Inc /NY reported $1,049,124,521 across 9 13(f) positions for the quarter ended 2025-12-31
Allen Holding Inc /NY reported $1,059,563,706 across 9 13(f) positions for the quarter ended 2025-09-30
Allen Holding Inc /NY exited Argan Inc (was $3,527,680, 16,000 shares)
Allen Holding Inc /NY increased Pfizer Inc 1,019,800 -> 1,519,800 shares ($24,719,952 -> $38,724,504)
Allen Holding Inc /NY reported $1,017,062,008 across 10 13(f) positions for the quarter ended 2025-06-30
Allen Holding Inc /NY exited Vimeo Inc (was $2,561,877, 487,049 shares)
Allen Holding Inc /NY exited Angi Inc (was $2,619,700, 170,000 shares)
Allen Holding Inc /NY exited Tripadvisor Inc (was $2,576,474, 181,826 shares)
Allen Holding Inc /NY reduced Argan Inc 24,000 -> 16,000 shares ($3,148,080 -> $3,527,680)
Allen Holding Inc /NY reported $961,073,136 across 14 13(f) positions for the quarter ended 2025-03-31
Allen Holding Inc /NY opened a $2,619,700 position in Angi Inc (170,000 shares)
Allen Holding Inc /NY exited Angi Inc (was $2,822,000, 1,700,000 shares)
Allen Holding Inc /NY reported $911,820,479 across 14 13(f) positions for the quarter ended 2024-12-31