Duquesne Family Office LLC
Family OfficePosition in ARM — Arm Holdings PLC /Uk
CIK 1536411
New York, NY
Position in ARM
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$9,959,871
-$6,181,705 QoQ
Shares Held
28,090
-73.7% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
#199
of 952 holders
Holding Since
Sep 2024
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ARM Over Time
Shares Held
Position Value (USD)
Position in Semiconductors
Technology · as of Jun 30, 2026Duquesne Family Office LLC holds $594,835,302 across 6 Semiconductors names. ARM ranks #5 (1.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TSM |
Taiwan Semiconductor Manufacturing Co Ltd
|
589,680 | $281,613,477 | |
| 2 | STM |
STMicroelectronics N.V.
|
3,102,880 | $232,374,683 | |
| 3 | AMD |
Advanced Micro Devices Inc
|
72,900 | $42,348,339 | |
| 4 | RMBS |
Rambus Inc
|
173,000 | $22,964,020 | |
| 5 | ARM |
Arm Holdings PLC /Uk
This page
|
28,090 | $9,959,871 | |
| 6 | NVTS |
Navitas Semiconductor Corp
|
311,100 | $5,574,912 |
All Filings in ARM
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $9,959,871 | 28,090 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $16,141,576 | 106,700 | Shares | Defined | 2026-05-15 | |
| 2025-09-30 | $23,756,171 | 167,900 | Shares | Defined | 2025-11-14 | |
| 2024-12-31 | $22,006,683 | 178,394 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $3,090,446 | 21,610 | Shares | Defined | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||