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WELLINGTON MANAGEMENT GROUP LLP

Position in ARM — Arm Holdings PLC /Uk

CIK 902219 Boston, MA

Position in ARM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$287,007,039
+$36,532,291 QoQ
Shares Held
809,451
-51.1% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#27
of 955 holders
Holding Since
Sep 2023
12 quarters on record
Voting authority Sole 0% Shared 73% None 27%

Common Shares in ARM Over Time

Shares Held

Position Value (USD)

Derivatives in ARM

reported options exposure · as of Sep 30, 2025
CallValue
$202,754
CallShares
1,433
PutValue
$0
PutShares
0

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

WELLINGTON MANAGEMENT GROUP LLP holds $71,567,813,700 across 38 Semiconductors names. ARM ranks #16 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ARM

Export CSV
15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $287,007,039 809,451
2026-03-31 $250,474,748 1,655,703
2025-12-31 $234,924,568 2,149,159
2025-09-30 $214,520,062 1,516,150
2025-09-30 $202,754 1,433
2025-06-30 $171,391,186 1,059,671
2025-06-30 $186,646 1,154
2025-03-31 $59,161 554
2025-03-31 $111,974,865 1,048,552
2024-12-31 $132,732,151 1,075,974
2024-09-30 $161,228,471 1,127,393
2024-06-30 $216,912,178 1,325,707
2024-03-31 $72,730,678 581,892
2023-12-31 $335,801,961 4,468,720
2023-09-30 $152,895,613 2,856,794