Sumitomo Mitsui DS Asset Management Company, Ltd

New 13F: Q3 2026

Sumitomo Mitsui DS Asset Management Company, Ltd filed its 13F for the quarter ended Sep 30, 2026 on Oct 20, 2026: $6.9B in AI and semiconductor stocks; $181.4M bought and $27.4M sold against its previous quarter, at the quarter's prices.

added to Sandisk (SNDK): +$32.2M at the quarter's price
added to Micron (MU): +$17.2M at the quarter's price
added to Apple (AAPL): +$12.7M at the quarter's price
added to Amazon (AMZN): +$12.5M at the quarter's price
added to NVIDIA (NVDA): +$11.6M at the quarter's price
added to Keysight Technologies (KEYS): +$8.4M at the quarter's price
added to Broadcom (AVGO): +$7.3M at the quarter's price
trimmed Datadog (DDOG): -$6.3M at the quarter's price
trimmed CrowdStrike (CRWD): -$6.3M at the quarter's price
added to Intel (INTC): +$6.0M at the quarter's price

Sumitomo Mitsui DS Asset Management Company, Ltd declares $6.5B in 112 of the 230 AI and semiconductor companies tracked on Silicon Floor, as of Jun 30, 2026 (Form 13F): 45.2% of its $14.5B 13F portfolio. Largest positions: NVIDIA (0.02% of the company) and Alphabet (0.02% of the company). Over time: $6.5B in 112 of these companies for Q2 2026, against $683.6M in 78 for Q4 2019 (13F values as filed). From Mar 31, 2026 to Jun 30, 2026, it bought $277.3M and sold $104.9M of these stocks, at the quarter's prices: a net purchase of $172.5M; 3 new positions and 4 sold out.

Performance of its AI picks

The AI-stock portfolio Sumitomo Mitsui DS Asset Management Company, Ltd declared for Q2 2026 (Form 13F), held unchanged, returned +3.8% in Q3 2026 (SMH -7.1%), ranked 866 of 1,785 active managers. Over the last 12 months, quarter after quarter: +27.8% (SMH +87.2%), ranked 737 of 1,360 active managers. Over three years, quarter after quarter: +144.7% (SMH +325.8%), ranked 425 of 784 active managers. Over five years, quarter after quarter: +159.7% (SMH +389.8%), ranked 260 of 535 active managers. Trades made during a quarter are not visible in 13F filings: this measures its declared picks, not the return of its funds.

Largest positions

NVIDIA (NVDA): $813.8M, 4.1M shares, 0.02% of the company, 5.6% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
Alphabet (GOOGL): $739.8M, 2.1M shares, 0.02% of the company, 5.1% of its portfolio (added this quarter); held since Q4 2019 or earlier
Apple (AAPL): $685.3M, 2.4M shares, 0.02% of the company, 4.7% of its portfolio (added this quarter); held since Q4 2019 or earlier
Microsoft (MSFT): $528.1M, 1.4M shares, 0.02% of the company, 3.6% of its portfolio (added this quarter); held since Q4 2019 or earlier
Amazon (AMZN): $415.6M, 1.7M shares, 0.02% of the company, 2.9% of its portfolio (added this quarter); held since Q4 2019 or earlier
Caterpillar (CAT): $333.4M, 313,099 shares, 0.07% of the company, 2.3% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
Broadcom (AVGO): $285.7M, 756,199 shares, 0.02% of the company, 2.0% of its portfolio (added this quarter); held since Q4 2019 or earlier
Micron (MU): $205.9M, 178,419 shares, 0.02% of the company, 1.4% of its portfolio (added this quarter); held since Q4 2019 or earlier
Meta Platforms (META): $203.6M, 361,497 shares, 0.01% of the company, 1.4% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
AMD (AMD): $154.2M, 265,501 shares, 0.02% of the company, 1.1% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
Cisco (CSCO): $110.2M, 938,596 shares, 0.02% of the company, 0.76% of its portfolio (added this quarter); held since Q4 2019 or earlier
IBM (IBM): $106.3M, 378,142 shares, 0.04% of the company, 0.73% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
Intel (INTC): $105.8M, 757,759 shares, 0.01% of the company, 0.73% of its portfolio (trimmed this quarter); held since Q4 2019 or earlier
Applied Materials (AMAT): $84.4M, 116,721 shares, 0.01% of the company, 0.58% of its portfolio (added this quarter); held since Q4 2019 or earlier
Lam Research (LRCX): $78.0M, 180,116 shares, 0.01% of the company, 0.54% of its portfolio (added this quarter); held since Q4 2019 or earlier

By sector

Cloud & AI giants: $2.6B, 39% of its AI holdings, 6 companies
Chips & compute: $1.5B, 24% of its AI holdings, 16 companies
Power, electrical & cooling: $769.6M, 12% of its AI holdings, 28 companies
AI software: $445.5M, 7% of its AI holdings, 20 companies
Memory & storage: $337.8M, 5% of its AI holdings, 5 companies
Equipment & test: $271.4M, 4% of its AI holdings, 7 companies
Interconnect: $239.9M, 4% of its AI holdings, 6 companies
Servers & systems: $158.1M, 2% of its AI holdings, 8 companies
Neoclouds & data centers: $129.7M, 2% of its AI holdings, 11 companies
Optics: $72.0M, 1% of its AI holdings, 5 companies

Biggest changes this quarter

added to Alphabet (GOOGL): +$82.6M at the quarter's price
added to Amazon (AMZN): +$31.0M at the quarter's price
added to Marvell (MRVL): +$23.4M at the quarter's price
added to Micron (MU): +$17.8M at the quarter's price
added to Sandisk (SNDK): +$16.1M at the quarter's price
added to Microsoft (MSFT): +$12.7M at the quarter's price
added to Cisco (CSCO): +$12.7M at the quarter's price
trimmed NVIDIA (NVDA): -$11.6M at the quarter's price
added to Apple (AAPL): +$10.7M at the quarter's price
added to Corning (GLW): +$10.6M at the quarter's price

Other holders of this size

Epoch Investment Partners, Inc.: $6.5B in 42 of these companies
Bridgewater Associates, LP: $6.6B in 127 of these companies
Soroban Capital Partners LP: $6.5B in 9 of these companies
Banco Santander, S.A.: $6.6B in 83 of these companies
TUDOR INVESTMENT CORP ET AL: $6.4B in 127 of these companies
K5 Global Advisor LLC: $6.6B in 1 of these companies
GF FUND MANAGEMENT CO. LTD.: $6.4B in 71 of these companies
SCOTIA CAPITAL INC.: $6.6B in 97 of these companies

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