TSM β€” TAIWAN SEMICONDUCTOR MFG LTD

Ownership history in GUYASUTA INVESTMENT ADVISORS INC  Β·  22 quarters on record

This page tracks every 13F SEC filing in which GUYASUTA INVESTMENT ADVISORS INC reported a position in TAIWAN SEMICONDUCTOR MFG LTD (TSM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
2.06% (2025 Q4)
πŸ“Š Avg. % of fund
0.24%
πŸ“… First filed
2020 Q3
πŸ“… Last filed
2025 Q4
⏱ Quarters held
22

Position Intelligence

GUYASUTA INVESTMENT ADVISORS INC Γ— TSM AI Analytics

πŸ“ˆ GUYASUTA INVESTMENT ADVISORS INC outperformed the S&P 500 by +31.4% annually on this TSM position. Timing score: 70% (7/10 decisions correct). Average cost basis: $239.24. Maximum drawdown during holding period: –42.1%.

πŸ“ˆ Position Alpha vs SPY
+31.4%
annualised excess return

πŸ”₯ Exceptional β€” beat the S&P 500 by 31.4% per year on this position.
11 quarters analyzed

⏱️ Timing Score
70%

🎯 Smart timing β€” consistently buying dips and trimming near peaks.
7 of 10 add/trim decisions correct

πŸ’° Entry Quality
$239.24
+26.7% vs current ($303.04)

Best entry: $70.89 (2022 Q4)  Β·  Worst: $303.04 (2025 Q4)

πŸ›‘οΈ Drawdown Resilience
–42.1%
max drawdown while held

πŸ’ͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.

πŸ’ͺ Fund Conviction
73%
buy-side decisions

8 adds Β· 3 trims. Bought during 0 of 6 down-price quarters. πŸ‚ Consistently bullish β€” fund kept accumulating this position.

πŸ“‘ Position Trajectory
↑ Growing
last 4–5 quarters trend

πŸ“ˆ GUYASUTA INVESTMENT ADVISORS INC has been actively increasing its TSM allocation β€” a bullish signal from insiders.
Currently 2.06% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    TSM price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 119,140 +31,939 +36.6% 2.06% $36.2M $303.04
2025 Q3 ADDED 87,201 +321 +0.4% 1.40% $24.4M $277.76
2025 Q2 ADDED 86,880 +81,957 +1664.8% 1.21% $19.7M $224.54
2025 Q1 REDUCED 4,923 -100 -2.0% 0.05% $817K $163.97
2024 Q4 UNCHANGED 5,023 β€” 0% 0.06% $992K $194.32
2024 Q3 UNCHANGED 5,023 β€” 0% 0.05% $872K $170.34
2024 Q2 UNCHANGED 5,023 β€” 0% 0.04% $522K $169.85
2024 Q1 UNCHANGED 5,023 β€” 0% 0.04% $522K $132.53
2023 Q4 UNCHANGED 5,023 β€” 0% 0.04% $522K $100.90
2023 Q3 UNCHANGED 5,023 β€” 0% 0.03% $436K $83.91
12 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history
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