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Westmount Partners, LLC

Position in TSM — Taiwan Semiconductor Manufacturing Co Ltd

CIK 2051491 LOS ANGELES, CA

Position in TSM

as of Jun 30, 2026 · filed Jul 7, 2026
Position Value
$1,004,807
+$166,354 QoQ
Shares Held
2,104
-15.2% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.33%
of 13F equity value
Holder Rank
#2,204
of 3,554 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority Sole 95% Shared 0% None 5%

Common Shares in TSM Over Time

Shares Held

Position Value (USD)

Derivatives in TSM

reported options exposure · as of Jun 30, 2026
CallValue
$47,757
CallShares
100
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

Westmount Partners, LLC holds $49,353,650 across 9 Semiconductors names. TSM ranks #7 (2.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 TSM
Taiwan Semiconductor Manufacturing Co Ltd
This page
2,104 $1,004,807

All Filings in TSM

Export CSV
11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,004,807 2,104
2026-06-30 $47,757 100
2026-03-31 $838,453 2,481
2025-12-31 $661,264 2,176
2025-09-30 $593,770 2,126
2025-06-30 $481,517 2,126
2025-03-31 $345,446 2,081
2024-12-31 $410,976 2,081
2024-09-30 $324,415 1,868
2024-06-30 $262,453 1,510
2024-03-31 $201,354 1,480