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ALLEN HOLDING INC /NY

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13F filer, CIK 919489, NEW YORK, NY

ALLEN HOLDING INC /NY reported $1,007,773,543 across 9 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-07.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-26-005738

Period
2026-03-31
Reported value
$1.01B
Holdings
9
Top 10 weight
100%
New
0
Sold out
0

Part of the filer group ALLEN OPERATIONS LLC

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
PFEadded+480,200$13.5M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
BRK-Areduced-21-$15.1M
PLTRreduced-100,000-$14.6M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001214659-26-005738, largest first. % of portfolio is the value over $1,007,773,543, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
KOCOCA COLA COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 6,000,000 shares; 2024Q4: 6,000,000 shares; 2025Q1: 6,000,000 shares; 2025Q2: 6,000,000 shares; 2025Q3: 6,000,000 shares; 2025Q4: 6,000,000 shares; 2026Q1: 6,000,000 shares 6,000,000$456M45.28%0Timeline
PLTRPALANTIR TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 2,750,000 shares; 2024Q4: 2,500,000 shares; 2025Q1: 2,000,000 shares; 2025Q2: 1,900,000 shares; 2025Q3: 1,700,000 shares; 2025Q4: 1,600,000 shares; 2026Q1: 1,500,000 shares 1,500,000$219M21.77%-100,000Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 373 shares; 2024Q4: 360 shares; 2025Q1: 330 shares; 2025Q2: 330 shares; 2025Q3: 330 shares; 2025Q4: 317 shares; 2026Q1: 296 shares 296$213M21.09%-21Timeline
PFEPFIZER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,000,000 shares; 2024Q4: 1,019,800 shares; 2025Q1: 1,019,800 shares; 2025Q2: 1,019,800 shares; 2025Q3: 1,519,800 shares; 2025Q4: 1,519,800 shares; 2026Q1: 2,000,000 shares 2,000,000$56.2M5.57%+480,200Timeline
PPLIPEOPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 601,100 shares; 2024Q4: 601,100 shares; 2025Q1: 601,100 shares; 2025Q2: 601,100 shares; 2025Q3: 601,100 shares; 2025Q4: 601,100 shares; 2026Q1: 601,100 shares 601,100$24.1M2.39%0Timeline
BACBANK OF AMER CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,050,000 shares; 2024Q4: 300,000 shares; 2025Q1: 300,000 shares; 2025Q2: 300,000 shares; 2025Q3: 300,000 shares; 2025Q4: 300,000 shares; 2026Q1: 300,000 shares 300,000$14.6M1.45%0Timeline
AFRMAFFIRM HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 255,262 shares; 2024Q4: 255,262 shares; 2025Q1: 255,512 shares; 2025Q2: 255,262 shares; 2025Q3: 230,000 shares; 2025Q4: 230,000 shares; 2026Q1: 230,000 shares 230,000$10.5M1.05%0Timeline
JPMJPMORGAN CHASE & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 30,000 shares; 2024Q4: 30,000 shares; 2025Q1: 30,000 shares; 2025Q2: 30,000 shares; 2025Q3: 30,000 shares; 2025Q4: 30,000 shares; 2026Q1: 30,000 shares 30,000$8.82M0.88%0Timeline
IBRXIMMUNITYBIO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 687,571 shares; 2024Q4: 687,571 shares; 2025Q1: 687,571 shares; 2025Q2: 687,571 shares; 2025Q3: 687,571 shares; 2025Q4: 687,571 shares; 2026Q1: 687,571 shares 687,571$5.27M0.52%0Timeline

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001214659-26-005738 base2026-05-07acceptance time not in the bulk data set