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Taiwan Semiconductor Manufacturing Company Ltd.

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Recent trades of TSM by members of U.S. Congress

Politician Type Traded
Josh Gottheimer House / D Sale $1,001 - $15,000 Jan. 28, 2025
Josh Gottheimer House / D Sale $1,001 - $15,000 Oct. 24, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Oct. 04, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Sep. 23, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Jul. 05, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Jun. 21, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Mar. 12, 2024
Josh Gottheimer House / D Sale $1,001 - $15,000 Feb. 09, 2024
Josh Gottheimer House / D Purchase $1,001 - $15,000 Jan. 18, 2024
Thomas R. Carper Senate / D Sale (Partial) $1,001 - $15,000 Dec. 11, 2023
Daniel S. Goldman House / D Sale $50,001 - $100,000 Jul. 10, 2023
Tommy Tuberville Senate / R Purchase $1,001 - $15,000 Mar. 21, 2023
Josh Gottheimer House / D Purchase $1,001 - $15,000 Mar. 09, 2023
Daniel S. Goldman House / D Sale $50,001 - $100,000 Feb. 27, 2023
Thomas R. Carper Senate / D Sale (Partial) $1,001 - $15,000 Feb. 21, 2023
Tommy Tuberville Senate / R Sale (Full) $1,001 - $15,000 Nov. 23, 2022
Tommy Tuberville Senate / R Sale (Full) $1,001 - $15,000 Nov. 23, 2022
Thomas R. Carper Senate / D Purchase $1,001 - $15,000 Oct. 17, 2022
Josh Gottheimer House / D Sale $1,001 - $15,000 Mar. 30, 2022
Thomas R. Carper Senate / D Sale (Partial) $1,001 - $15,000 Jan. 19, 2022
Pete Sessions House / R Sale $1,001 - $15,000 Nov. 16, 2021
Thomas R. Suozzi House / D Sale $15,001 - $50,000 Oct. 06, 2021
Katherine M. Clark House / D Sale $1,001 - $15,000 Sep. 16, 2021
Marjorie Taylor Greene House / R Purchase $1,001 - $15,000 Jun. 16, 2021
Thomas R. Suozzi House / D Purchase $15,001 - $50,000 Jun. 11, 2021
Sara Jacobs House / D Sale $50,001 - $100,000 Apr. 09, 2021
Pete Sessions House / R Purchase $1,001 - $15,000 Mar. 10, 2021
Peter Meijer House / R Sale $50,001 - $100,000 Feb. 17, 2021
Katherine M. Clark House / D Sale $1,001 - $15,000 Feb. 08, 2021
Katherine M. Clark House / D Sale $1,001 - $15,000 Feb. 08, 2021
Peter Meijer House / R Sale $1,001 - $15,000 Feb. 08, 2021
Josh Gottheimer House / D Sale $1,001 - $15,000 Feb. 03, 2021
Marjorie Taylor Greene House / R Purchase $1,001 - $15,000 Jan. 22, 2021
Peter Meijer House / R Sale $1,001 - $15,000 Jan. 13, 2021
Josh Gottheimer House / D Sale $1,001 - $15,000 Jan. 11, 2021
Katherine M. Clark House / D Sale $1,001 - $15,000 Nov. 05, 2020
Katherine M. Clark House / D Sale $1,001 - $15,000 Oct. 22, 2020
Greg Gianforte House / R Sale $50,001 - $100,000 Aug. 04, 2020
Josh Gottheimer House / D Sale $1,001 - $15,000 Aug. 04, 2020
Greg Gianforte House / R Sale $100,001 - $250,000 Jul. 28, 2020
Josh Gottheimer House / D Sale $1,001 - $15,000 Jul. 27, 2020
Sean Patrick Maloney House / D Sale $1,001 - $15,000 Jun. 26, 2020
Josh Gottheimer House / D Purchase $1,001 - $15,000 Apr. 17, 2020
Greg Gianforte House / R Sale $50,001 - $100,000 Mar. 13, 2020
Josh Gottheimer House / D Sale $1,001 - $15,000 Mar. 12, 2020
Greg Gianforte House / R Sale $50,001 - $100,000 Jan. 13, 2020
Greg Gianforte House / R Purchase $50,001 - $100,000 Jan. 03, 2020
Greg Gianforte House / R Sale $15,001 - $50,000 Dec. 17, 2019
Katherine M. Clark House / D Sale $1,001 - $15,000 Nov. 05, 2019
Thomas R. Carper Senate / D Purchase $1,001 - $15,000 Nov. 04, 2019
TSM Stock Insider Trading Activity
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Recently reported changes by institutional investors

Quarterly net insider trading by TSM's directors and management

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Government lobbying spending instances

  • $540,000 Jan 21, 2025 Issue: Economics/Economic Development Taxation/Internal Revenue Code Trade (domestic/foreign) Immigration Chemicals/Chemical Industry Clean Air and Water (quality) Law Enforcement/Crime/Criminal Justice Copyright/Patent/Trademark
  • $540,000 Oct 21, 2024 Issue: Copyright/Patent/Trademark Law Enforcement/Crime/Criminal Justice Clean Air and Water (quality) Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development
  • $790,000 Jul 17, 2024 Issue: Law Enforcement/Crime/Criminal Justice Clean Air and Water (quality) Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development
  • $540,000 Apr 19, 2024 Issue: Law Enforcement/Crime/Criminal Justice Clean Air and Water (quality) Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development
  • $540,000 Jan 19, 2024 Issue: Clean Air and Water (quality) Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development
  • $540,000 Oct 18, 2023 Issue: Chemicals/Chemical Industry Immigration Trade (domestic/foreign) Taxation/Internal Revenue Code Economics/Economic Development

Estimated quarterly lobbying spending

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U.S. Patents

New patents grants

  • Patent Title: Diffusion barrier layer in programmable metallization cell Mar. 04, 2025
  • Patent Title: Memory device with composite spacer Mar. 04, 2025
  • Patent Title: Sidewall protection for pcram device Mar. 04, 2025
  • Patent Title: Self-aligned encapsulation hard mask to separate physically under-etched mtj cells to reduce conductive re-deposition Mar. 04, 2025
  • Patent Title: Interconnection for a memory array and methods for forming the same Mar. 04, 2025
  • Patent Title: Semiconductor device Mar. 04, 2025
  • Patent Title: Device structure including field effect transistors and ferroelectric capacitors Mar. 04, 2025
  • Patent Title: Grid structure to reduce domain size in ferroelectric memory device Mar. 04, 2025
  • Patent Title: Memory device and manufacturing method thereof Mar. 04, 2025
  • Patent Title: Sram cell word line structure with reduced rc effects Mar. 04, 2025
  • Patent Title: Interconnect structure having conductor extending along dielectric block Mar. 04, 2025
  • Patent Title: Physical unclonable function (puf) security key generation Mar. 04, 2025
  • Patent Title: Low noise ring oscillator devices and methods Mar. 04, 2025
  • Patent Title: Power loss regulation circuit Mar. 04, 2025
  • Patent Title: Circuit and method to enhance efficiency of semiconductor device Mar. 04, 2025
  • Patent Title: Methods of forming air spacers in semiconductor devices Mar. 04, 2025
  • Patent Title: Channel structures including doped 2d materials for semiconductor devices Mar. 04, 2025
  • Patent Title: Method for performing lithography process, light source, and euv lithography system Feb. 25, 2025
  • Patent Title: System and method for dynamically controlling temperature of thermostatic reticles Feb. 25, 2025
  • Patent Title: Method of manufacturing a semiconductor device and apparatus for manufacturing the semiconductor device Feb. 25, 2025
  • Patent Title: Euv photolithography system fuel source and methods of operating the same Feb. 25, 2025
  • Patent Title: Semiconductor developer tool and methods of operation Feb. 25, 2025
  • Patent Title: Euv photomask and manufacturing method of the same Feb. 25, 2025
  • Patent Title: Semiconductor structure and method for forming the same Feb. 25, 2025
  • Patent Title: Methods for wafer bonding Feb. 25, 2025
  • Patent Title: Outgassing material coated cavity for a micro-electro mechanical system device and methods for forming the same Feb. 25, 2025
  • Patent Title: Particle remover and method Feb. 25, 2025
  • Patent Title: Multi-doped data storage structure configured to improve resistive memory cell performance Feb. 18, 2025
  • Patent Title: Fatigue-free bipolar loop treatment to reduce imprint effect in piezoelectric device Feb. 18, 2025
  • Patent Title: Threshold voltage-modulated memory device using variable-capacitance and methods of forming the same Feb. 18, 2025
  • Patent Title: Semiconductor memory devices and methods of manufacturing thereof Feb. 18, 2025
  • Patent Title: Integrated circuit Feb. 18, 2025
  • Patent Title: Memory devices with selector layer and methods of forming the same Feb. 18, 2025
  • Patent Title: Stacked ferroelectric structure Feb. 18, 2025
  • Patent Title: Memory devices Feb. 18, 2025
  • Patent Title: Memory device and method of forming the same Feb. 18, 2025
  • Patent Title: 3d ram sl/bl contact modulation Feb. 18, 2025
  • Patent Title: Dummy metal bonding pads for underfill application in semiconductor die packaging and methods of forming the same Feb. 18, 2025
  • Patent Title: Hybrid analog-to-digital converter with inverter-based residue amplifier Feb. 18, 2025
  • Patent Title: System for signal propagation and method of operating the same Feb. 18, 2025
  • Patent Title: Integrated circuit and method of manufacturing same Feb. 18, 2025
  • Patent Title: Semiconductor structure with recessed top semiconductor layer in substrate and method of fabricating the same Feb. 18, 2025
  • Patent Title: Semiconductor structure with thin film transistor Feb. 18, 2025
  • Patent Title: Semiconductor device structure and methods of forming the same Feb. 18, 2025
  • Patent Title: Dielectric fin structure Feb. 18, 2025
  • Patent Title: Transistor structure and manufacturing method of the same Feb. 18, 2025
  • Patent Title: Self-aligned inner spacer on gate-all-around structure and methods of forming the same Feb. 18, 2025
  • Patent Title: Method of forming a high electron mobility transistor Feb. 18, 2025
  • Patent Title: Semiconductor memory devices with different doping types Feb. 18, 2025
  • Patent Title: Manufacturing method of semiconductor device including hbnc layer, and manufacturing method of hbnc layer Feb. 18, 2025
Government Contracts

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TSM News

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WallStreetBets

Number of mentions of TSM in WallStreetBets Daily Discussion

CNBC Recommendations

Recent picks made for TSM stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in TSM

TSM Top Shareholders
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* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

TSM Stock Smart Score

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Quiver LogoOur Analysis
Posted: 1 year, 11 months ago // April 14, 2023 4:21 p.m. UTC
Why These Trades Could be a Cause for Concern...

In a CNBC interview early Wednesday morning, when Warren Buffet was asked why he sold almost his entire stake in Taiwan Semiconductor ($TSM), Buffet first responded with, "There’s a danger of seismic action where they're located” before giving a more cryptic response stating “I'd rather have a US domiciled company, rather than be subject to who knows what depending on conditions outside their control” suggesting that ongoing geopolitical risks related to Taiwan pose a threat to Taiwan Semiconductor.

Having followed Buffet for many years, I thought every part of this response was abnormal. The idea that The Oracle of Omaha sold approximately $3.8 billion of TSM stock because of a potential earthquake seems ambitious, to say the least. The second part of the response implying that he's selling the company due to heightened geopolitical risks is also very unlike Buffet, who prides himself on investing in “great companies” and makes a point to not speculate on factors outside his control. Despite Buffet's unusual response, it likely wasn't enough to be a definite cause for concern regarding Taiwan and heightened geopolitical risks.

However, that was until just later the same day when Senator Tuberville disclosed his trades for March and revealed that he had purchased $75 strike price, $TSM put contracts, expiring 9/15/23.

This could be cause for concern for two primary reasons, with the first being that it's very rare to see lawmakers buying put contracts due to the nature of them being that they’re betting on a company to fall in market value.

The second reason is that Senator Tuberville sits on The Senate Committee for Armed Services and the Seapower and Strategic Forces subcommittee. As a result, Tuberville has access to classified military and defense information out of reach to the public. Given the heightened geopolitical tension around Taiwan in recent weeks, along with his purchase of TSM put contracts, the data suggests that Taiwan might be in the cross hairs of a potential war sooner rather than later.

While an outbreak of a war between China and the US over the island would have far-reaching consequences, Taiwan Semiconductors arguably has the most to lose of any company. Especially when you consider that the US has already singled out that in the event of a Chinese invasion of Taiwan, the US would “Blow up” the TSM Semiconductor facilities and move the engineers to Arizona rather than let China access the technology.

Given the unusual nature of Buffet and Tuberville’s trades, it makes you wonder whether they know something about Taiwan that we don’t?

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