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LMR Partners LLP

Position in ARM — Arm Holdings PLC /Uk

CIK 1578621 LONDON, X0

Position in ARM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$326,558
-$127,282 QoQ
Shares Held
921
-69.3% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#697
of 955 holders
Holding Since
Mar 2024
10 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
$10,637,100
CallShares
30,000
PutValue
$131,190,900
PutShares
370,000

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

LMR Partners LLP holds $796,224,580 across 32 Semiconductors names. ARM ranks #32 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ARM

Export CSV
27 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $326,558 921
2026-06-30 $10,637,100 30,000
2026-06-30 $131,190,900 370,000
2026-03-31 $453,840 3,000
2026-03-31 $23,448,400 155,000
2026-03-31 $15,128,000 100,000
2025-12-31 $409,693 3,748
2025-12-31 $9,214,833 84,300
2025-12-31 $174,896 1,600
2025-09-30 $11,290,902 79,800
2025-09-30 $13,568,891 95,900
2025-09-30 $1,762,965 12,460
2025-06-30 $26,897,362 166,300
2025-06-30 $18,276,620 113,000
2025-06-30 $899,597 5,562
2025-03-31 $4,538,575 42,500
2025-03-31 $2,600,443 24,351
2025-03-31 $3,598,823 33,700
2024-12-31 $7,611,312 61,700
2024-12-31 $15,234,960 123,500
2024-09-30 $1,725,415 12,065
2024-09-30 $9,381,456 65,600
2024-09-30 $36,210,132 253,200
2024-06-30 $41,428,584 253,200
2024-06-30 $10,733,472 65,600
2024-03-31 $5,787,037 46,300
2024-03-31 $38,634,409 309,100