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JANE STREET GROUP, LLC

Position in ARM — Arm Holdings PLC /Uk

CIK 1595888 NEW YORK, NY

Position in ARM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$29,595,956
-$18,136,967 QoQ
Shares Held
83,470
-73.5% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#127
of 955 holders
Holding Since
Sep 2023
12 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ARM Over Time

Shares Held

Position Value (USD)

Derivatives in ARM

reported options exposure · as of Jun 30, 2026
CallValue
$1,528,834,926
CallShares
4,311,800
PutValue
$2,510,213,772
PutShares
7,079,600

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Semiconductors

Technology · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $11,974,282,121 across 58 Semiconductors names. ARM ranks #29 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ARM

Export CSV
28 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $29,595,956 83,470
2026-06-30 $1,528,834,926 4,311,800
2026-06-30 $2,510,213,772 7,079,600
2026-03-31 $754,796,432 4,989,400
2026-03-31 $546,665,408 3,613,600
2026-03-31 $47,732,923 315,527
2025-12-31 $623,012,345 5,699,500
2025-12-31 $768,941,195 7,034,500
2025-12-31 $6,816,680 62,361
2025-09-30 $949,015,877 6,707,300
2025-09-30 $24,143,145 170,635
2025-09-30 $780,416,393 5,515,700
2025-06-30 $635,622,026 3,929,900
2025-06-30 $13,023,789 80,523
2025-06-30 $812,193,584 5,021,600
2025-03-31 $28,746,158 269,184
2025-03-31 $428,911,356 4,016,400
2025-03-31 $399,981,945 3,745,500
2024-12-31 $594,656,880 4,820,500
2024-12-31 $435,584,160 3,531,000
2024-12-31 $38,076,789 308,664
2024-09-30 $663,294,681 4,638,100
2024-09-30 $8,760,219 61,256
2024-09-30 $530,552,799 3,709,900
2024-06-30 $38,234,393 233,678
2024-03-31 $153,300,858 1,226,505
2023-12-31 $16,988,405 226,075
2023-09-30 $38,820,036 725,337