WT Asset Management Ltd

New 13F: Q3 2026

WT Asset Management Ltd filed its 13F for the quarter ended Sep 30, 2026 on Oct 28, 2026: $5.8B in AI and semiconductor stocks; $4.0B bought and $2.8B sold against its previous quarter, at the quarter's prices.

opened a position in NVIDIA (NVDA): +$713.0M at the quarter's price
opened a position in Microsoft (MSFT): +$607.0M at the quarter's price
opened a position in Palantir (PLTR): +$581.4M at the quarter's price
sold out of Western Digital (WDC): -$500.9M at the quarter's price
opened a position in Amazon (AMZN): +$478.8M at the quarter's price
sold out of STMicroelectronics (STM): -$431.1M at the quarter's price
sold out of Teradyne (TER): -$319.4M at the quarter's price
opened a position in Snowflake (SNOW): +$318.8M at the quarter's price
sold out of Applied Materials (AMAT): -$268.8M at the quarter's price
opened a position in Bloom Energy (BE): +$253.5M at the quarter's price

WT Asset Management Ltd declares $4.8B in 16 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 95.0% of its $5.1B 13F portfolio. Largest positions: Sandisk (0.17% of the company) and Seagate (0.25% of the company). Over time: $4.8B in 16 of these companies for Q2 2026, against $65.0M in 4 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought $1.6B and sold $4.4B of these stocks, at the quarter's prices: a net sale of $2.8B; 7 new positions and 9 sold out.

Performance of its AI picks

The AI-stock portfolio WT Asset Management Ltd declared for Q2 2026 (Form 13F), held unchanged, returned -14.5% in Q3 2026 (SMH -7.1%), ranked 1707 of 1,785 active managers. Over the last 12 months, quarter after quarter: +161.8% (SMH +87.2%), ranked 4 of 1,360 active managers. Over three years, quarter after quarter: +483.1% (SMH +325.8%). Trades made during a quarter are not visible in 13F filings: this measures its declared picks, not the return of its funds.

Largest positions

Sandisk (SNDK): $561.5M, 246,939 shares, 0.17% of the company, 11.1% of its portfolio (trimmed this quarter); held since Q3 2025
Seagate (STX): $545.0M, 564,716 shares, 0.25% of the company, 10.8% of its portfolio (added this quarter); held since Q3 2025
Western Digital (WDC): $500.9M, 784,212 shares, 0.21% of the company, 9.9% of its portfolio (trimmed this quarter); held since Q3 2025
Micron (MU): $495.5M, 429,300 shares, 0.04% of the company, 9.8% of its portfolio (trimmed this quarter); held since Q4 2025
Lumentum (LITE): $494.7M, 576,519 shares, 0.64% of the company, 9.8% of its portfolio (trimmed this quarter); held since Q2 2025
STMicroelectronics (STM): $431.1M, 5.8M shares, 0.65% of the company, 8.5% of its portfolio (new position this quarter)
Teradyne (TER): $319.4M, 660,196 shares, 0.42% of the company, 6.3% of its portfolio (added this quarter); held since Q3 2025
Applied Materials (AMAT): $268.8M, 371,798 shares, 0.05% of the company, 5.3% of its portfolio (new position this quarter)
TSMC (TSM): $218.2M, 456,906 shares, 0.01% of the company, 4.3% of its portfolio (new position this quarter)
Lam Research (LRCX): $213.7M, 493,233 shares, 0.04% of the company, 4.2% of its portfolio (new position this quarter)
ASML (ASML): $209.5M, 105,329 shares, 0.03% of the company, 4.1% of its portfolio (trimmed this quarter); held since Q4 2025
Intel (INTC): $162.9M, 1.2M shares, 0.02% of the company, 3.2% of its portfolio (new position this quarter)
SpaceX (SPCX): $130.2M, 761,964 shares, 0.00% of the company, 2.6% of its portfolio
Astera Labs (ALAB): $86.3M, 178,711 shares, 0.10% of the company, 1.7% of its portfolio (new position this quarter)
FormFactor (FORM): $85.5M, 534,492 shares, 0.68% of the company, 1.7% of its portfolio (new position this quarter)

By sector

Memory & storage: $2.1B, 44% of its AI holdings, 4 companies
Equipment & test: $1.1B, 23% of its AI holdings, 5 companies
Chips & compute: $812.2M, 17% of its AI holdings, 3 companies
Optics: $494.7M, 10% of its AI holdings, 1 company
Cloud & AI giants: $130.2M, 3% of its AI holdings, 1 company
Interconnect: $86.3M, 2% of its AI holdings, 1 company
Power, electrical & cooling: $78.4M, 2% of its AI holdings, 1 company

Biggest changes this quarter

trimmed Sandisk (SNDK): -$1.3B at the quarter's price
trimmed Lumentum (LITE): -$689.6M at the quarter's price
sold out of Coherent (COHR): -$637.5M at the quarter's price
opened a position in STMicroelectronics (STM): +$431.1M at the quarter's price
trimmed Micron (MU): -$409.1M at the quarter's price
sold out of Corning (GLW): -$269.0M at the quarter's price
opened a position in Applied Materials (AMAT): +$268.8M at the quarter's price
sold out of Tower Semiconductor (TSEM): -$257.5M at the quarter's price
trimmed Modine (MOD): -$232.1M at the quarter's price
opened a position in TSMC (TSM): +$218.2M at the quarter's price

Other holders of this size

Blue Sparrow, LLC /DE: $4.8B in 30 of these companies
MAI Capital Management: $4.8B in 136 of these companies
LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA: $4.8B in 79 of these companies
BANQUE PICTET & CIE SA: $4.8B in 48 of these companies
EP Wealth Advisors, LLC: $4.8B in 129 of these companies
HORIZON KINETICS ASSET MANAGEMENT LLC: $4.8B in 28 of these companies
LONDON CO OF VIRGINIA: $4.7B in 18 of these companies
Railway Pension Investments Ltd: $4.9B in 34 of these companies

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