SM
Sumitomo Mitsui DS Asset Management Company, Ltd SEC 13F Filing (Q2 2026) — Holdings & Portfolio
Sumitomo Mitsui DS Asset Management Company, LtdCIK: 0001411530
Diversified strategyMomentum follower
Total reported value
$14.5B
Reporting period: 2026-06-30 · Number of holdings: 767
Sumitomo Mitsui DS Asset Management Company, Ltd disclosed 767 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $14.5B and a quarterly turnover rate of 24.3%.
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Personality snowflake
- Concentration
- 5.5
- Portfolio Stability
- 24.31
- Momentum
- 100
- Sector conviction
- 52.34
- Diversification
- 100
- Sizing Uniformity
- 69.09
Sumitomo Mitsui DS Asset Management Company, Ltd's disclosed holdings carry a Herfindahl concentration index of 0.014 — mathematically equivalent to about 73 equally-sized positions, well below its 767 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 3.09), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govAdd MU
+9.5% $150.9M
Add GOOGL
+25.3% $162.8M
Add AMD
-2.9% $98.6M
Sold out HON
Trim MSFT
+2.5% $16.6M
Add CAT
-1.0% $109.4M
Holdings Map
New buyAddUnchangedTrim
Institutional Game-State Analysis
Core Intent
Sumitomo Mitsui DS aggressively added to GOOGL and MU this quarter, lifting their weights from 2.37% to 3.14% and 0.45% to 1.42%, respectively, while trimming NVDA (5.82%→5.62%), CAT, and AMD (though price appreciation pushed those weights higher). It fully exited HON. With 767 holdings and a ~24% turnover rate, the portfolio is extremely diversified and heavily momentum-tilted (momentum tilt +0.119 pct pts, momentum score 100).
Macro & Fundamentals
This rotation into MU and GOOGL away from NVDA may align with an AI capex cycle broadening from GPU to memory and advertising, though this inference is based solely on one quarter's data. The simultaneous trimming of two semiconductor names while adding another suggests a possible intra-sector capital rotation rather than a sector-wide bet.
Blind Spots / Risks
The portfolio's extreme momentum orientation (score 100) leaves it acutely vulnerable to trend reversals; a sharp market rotation could trigger disproportionate downside relative to a more balanced benchmark. Additionally, the extreme diversification (767 positions) may dilute alpha and increase execution costs during volatile periods.
AI-assisted summary drawn from this institution's SEC EDGAR filings, covering historical data only. Not a substitute for professional investment advice — cross-check against the primary source filing below. View the original 2026-06-30 Form 13F filing on SEC.gov
Top 10 holdings by weight
Full holdings list this quarter
Showing top 200 holdings (of 767 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 5.62% | -0.20% | -1.40% | |
| 2 | AAPL | Apple Inc | Stock-Tech | 4.73% | -0.06% | +1.58% | |
| 3 | MSFT | Microsoft CORP | Stock-Tech | 3.64% | -0.50% | +2.47% | |
| 4 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 3.14% | +0.77% | +25.25% | |
| 5 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 2.87% | +0.15% | +8.07% | |
| 6 | CAT | Caterpillar Inc | Stock-Industrials | 2.30% | +0.49% | -0.99% | |
| 7 | GS | Goldman Sachs Group Inc | Stock-Financials | 2.01% | +0.02% | -1.13% | |
| 8 | AVGO | Broadcom Inc | Stock-Tech | 1.97% | +0.12% | +2.47% | |
| 9 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 1.96% | +0.03% | -2.98% | |
| 10 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.59% | -0.08% | -0.29% | |
| 11 | MU | Micron Technology Inc | Stock-Tech | 1.42% | +0.97% | +9.48% | |
| 12 | META | Meta Platforms Inc-class A | Stock-Comm Services | 1.41% | -0.28% | -0.73% | |
| 13 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.23% | +0.13% | +0.36% | |
| 14 | TSLA | Tesla Inc | Stock-Consumer Disc | 1.17% | -0.03% | +1.53% | |
| 15 | V | Visa Inc-class A Shares | Stock-Financials | 1.16% | -0.04% | -0.18% | |
| 16 | GLDM | Spdr Gold Minishares Trust | ETF-Commodities | 1.16% | -0.04% | +31.51% | |
| 17 | UNH | Unitedhealth Group Inc | Stock-Healthcare | 1.07% | +0.25% | -0.18% | |
| 18 | AMD | Advanced Micro Devices | Stock-Tech | 1.06% | +0.61% | -2.90% | |
| 19 | JNJ | Johnson & Johnson | Stock-Healthcare | 1.05% | -0.13% | +0.40% | |
| 20 | HD | Home Depot Inc | Stock-Consumer Disc | 0.95% | -0.08% | -0.12% | |
| 21 | AXP | American Express Co | Stock-Financials | 0.84% | -0.06% | -1.33% | |
| 22 | VUG | Vanguard Growth ETF | ETF-Other | 0.82% | -0.01% | +482.96% | |
| 23 | VTV | Vanguard Value ETF | ETF-Other | 0.81% | -0.02% | +3.28% | |
| 24 | AMGN | Amgen Inc | Stock-Healthcare | 0.80% | -0.12% | -0.85% | |
| 25 | CSCO | Cisco Systems Inc | Stock-Tech | 0.76% | +0.24% | +12.98% | |
| 26 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 0.74% | -0.07% | +2.80% | |
| 27 | URTH | Ishares Msci World ETF | ETF-Other | 0.74% | +0.15% | +29.05% | |
| 28 | VGK | Vanguard Ftse Europe ETF | ETF-Other | 0.74% | -0.05% | +1.39% | |
| 29 | IBM | Intl Business Machines CORP | Stock-Tech | 0.73% | -0.01% | -0.23% | |
| 30 | INTC | Intel CORP | Stock-Tech | 0.73% | +0.44% | -6.45% | |
| 31 | BND | Vanguard Total Bond Market | ETF-Other | 0.70% | +0.47% | +264.45% | |
| 32 | WMT | Walmart Inc | Stock-Consumer Staples | 0.69% | -0.19% | +1.18% | |
| 33 | SHW | Sherwin-williams Co/the | Stock-Materials | 0.66% | -0.07% | -1.09% | |
| 34 | MCD | Mcdonald's CORP | Stock-Consumer Disc | 0.66% | -0.27% | -4.90% | |
| 35 | TRV | Travelers Cos Inc/the | Stock-Financials | 0.63% | -0.04% | -1.64% | |
| 36 | XOM | Exxon Mobil CORP | Stock-Energy | 0.62% | -0.36% | -7.07% | |
| 37 | CVX | Chevron CORP | Stock-Energy | 0.62% | -0.37% | -8.24% | |
| 38 | MRK | Merck & Co. Inc. | Stock-Healthcare | 0.62% | -0.05% | +0.48% | |
| 39 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 0.59% | -0.10% | -0.25% | |
| 40 | AMAT | Applied Materials Inc | Stock-Tech | 0.58% | +0.26% | +2.21% | |
| 41 | BAC | Bank Of America CORP | Stock-Financials | 0.58% | — | -0.25% | |
| 42 | ABBV | Abbvie Inc | Stock-Healthcare | 0.56% | — | +1.06% | |
| 43 | LRCX | Lam Research CORP | Stock-Tech | 0.54% | +0.23% | +1.55% | |
| 44 | KLAC | Kla CORP | Stock-Tech | 0.53% | +0.23% | +910.44% | |
| 45 | BA | Boeing Co/the | Stock-Industrials | 0.52% | -0.04% | -0.97% | |
| 46 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.49% | -0.01% | +6.48% | |
| 47 | WELL | Welltower Inc | Stock-Real Estate | 0.44% | — | +2.76% | |
| 48 | PM | Philip Morris International | Stock-Consumer Staples | 0.43% | -0.02% | +1.65% | |
| 49 | MA | Mastercard Inc - A | Stock-Financials | 0.43% | -0.06% | -0.48% | |
| 50 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 0.42% | -0.09% | +1.74% |
1–50 of 200
Portfolio Performance
Performance for Q3 2026
+2.6%
Performance Last 4 Quarters
+20.3%
- Stdev
- +12.3%
- Beta
- +0.94
- Alpha
- -0.4%
- Max Drawdown
- -7.3%
- Annualized Perf
- +19.2%
- Batting Avg vs S&P
- +44.4%
- Sortino
- +3.09
- Stutzer
- +0.44
- Treynor
- +0.2
- Sterling
- +1.23
- Calmar
- +2.61
- Information Ratio
- -0.83
- Tracking Error
- +2%
- Stdev Down
- +5.9%
- Winning Months %
- +69.4%
- Losing Months %
- +30.6%
- Best 12 Months
- +32.7%
- Worst 12 Months
- +7%
- Efficiency Ratio
- +0.62
- Sharpe
- +1.5
- Stdev Sectors
- +8.7%
- Skewness
- +0.05
- Kurtosis
- -0.08
- Upside Potential
- +4.66
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 767 | $14.5B | 24 | ||
| 2026 Q1 | 770 | $12.4B | 14 | ||
| 2025 Q4 | 770 | $12.7B | 11 | ||
| 2025 Q3 | 757 | $12.3B | 28 | ||
| 2025 Q2 | 759 | $11.1B | 0 | ||
| 2025 Q1 | 771 | $9.8B | 100 | ||
| 2024 Q4 | 778 | $9.8B | 0 | ||
| 2024 Q3 | 775 | $9.3B | 0 | ||
| 2024 Q2 | 777 | $8.5B | 0 | ||
| 2024 Q1 | 771 | $8.0B | 0 | ||
| 2023 Q4 | 788 | $7.6B | 0 | ||
| 2023 Q3 | 778 | $6.4B | 0 | ||
| 2023 Q2 | 778 | $6.5B | 0 | ||
| 2023 Q1 | 779 | $5.5B | 0 | ||
| 2022 Q4 | 769 | $4.9B | 0 | ||
| 2022 Q3 | 762 | $4.4B | 0 | ||
| 2022 Q2 | 760 | $4.2B | 0 | ||
| 2022 Q1 | 771 | $4.7B | 0 | ||
| 2021 Q4 | 770 | $4.8B | 0 | ||
| 2021 Q3 | 749 | $4.2B | 0 | ||
| 2021 Q2 | 763 | $4.2B | 95 | ||
| 2021 Q1 | 738 | $3.8B | 14 | ||
| 2020 Q4 | 732 | $3.5B | 18 | ||
| 2020 Q3 | 716 | $3.2B | 17 | ||
| 2020 Q2 | 709 | $2.9B | 25 | ||
| 2020 Q1 | 686 | $2.4B | 25 | ||
| 2019 Q4 | 723 | $3.0B | 16 | ||
| 2019 Q3 | 712 | $2.7B | 16 | ||
| 2019 Q2 | 722 | $2.5B | 98 | ||
| 2019 Q1 | 790 | $6.1B | 35 | ||
| 2018 Q4 | 777 | $5.5B | 43 | ||
| 2018 Q3 | 792 | $6.5B | 31 | ||
| 2018 Q2 | 779 | $6.5B | 30 | ||
| 2018 Q1 | 776 | $6.8B | 31 | ||
| 2017 Q4 | 785 | $6.7B | 25 | ||
| 2017 Q3 | 751 | $6.4B | 25 | ||
| 2017 Q2 | 757 | $6.1B | 28 | ||
| 2017 Q1 | 755 | $5.9B | 36 | ||
| 2016 Q4 | 752 | $5.2B | 36 | ||
| 2016 Q3 | 735 | $4.6B | 49 | ||
| 2016 Q2 | 704 | $3.3B | 25 | ||
| 2016 Q1 | 707 | $3.2B | 25 | ||
| 2015 Q4 | 705 | $3.0B | 24 | ||
| 2015 Q3 | 706 | $2.9B | 34 | ||
| 2015 Q2 | 721 | $3.2B | 21 | ||
| 2015 Q1 | 710 | $3.3B | 25 | ||
| 2014 Q4 | 720 | $3.3B | 23 | ||
| 2014 Q3 | 729 | $3.3B | 19 | ||
| 2014 Q2 | 763 | $3.5B | 30 | ||
| 2014 Q1 | 787 | $3.4B | 18 | ||
| 2013 Q4 | 783 | $3.5B | 19 | ||
| 2013 Q3 | 751 | $3.5B | 22 | ||
| 2013 Q2 | 743 | $3.6B | 0 |
Holding changes this quarter
Sumitomo Mitsui DS Asset Management Company, Ltd's most significant position changes for 2026-06-30: Sold out: Honeywell International Inc (HON); New buy: Ishares US Real Estate ETF (IYR); New buy: ; New buy: ; New buy: Vanguard Ftse Developed ETF (VEA).
Showing top 200 changes by size (of 799 total)
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | MU | Micron Technology Inc | +1% | +9.48% | Add |
| 2 | GOOGL | Alphabet Inc-cl A | +0.8% | +25.25% | Add |
| 3 | AMD | Advanced Micro Devices | +0.6% | -2.90% | Trim |
| 4 | CAT | Caterpillar Inc | +0.5% | -0.99% | Trim |
| 5 | BND | Vanguard Total Bond Market | +0.5% | +264.45% | Add |
| 6 | INTC | Intel CORP | +0.4% | -6.45% | Trim |
| 7 | IYR | Ishares US Real Estate ETF | +0.4% | NEW | New buy |
| 8 | MRVL | Marvell Technology Inc | +0.3% | +88.65% | Add |
| 9 | AMAT | Applied Materials Inc | +0.3% | +2.21% | Add |
| 10 | ✓ | +0.3% | NEW | New buy | |
| 11 | UNH | Unitedhealth Group Inc | +0.3% | -0.18% | Trim |
| 12 | ✓ | +0.3% | NEW | New buy | |
| 13 | CSCO | Cisco Systems Inc | +0.2% | +12.98% | Add |
| 14 | LRCX | Lam Research CORP | +0.2% | +1.55% | Add |
| 15 | KLAC | Kla CORP | +0.2% | +910.44% | Add |
| 16 | VEA | Vanguard Ftse Developed ETF | +0.2% | NEW | New buy |
| 17 | IEMG | Ishares Core Msci Emerging | +0.2% | +155.58% | Add |
| 18 | STX | Seagate Technology Holdings plc | +0.2% | -15.39% | Trim |
| 19 | SNDK | Sandisk CORP | +0.2% | +160.44% | Add |
| 20 | AMZN | Amazon.com Inc | +0.2% | +8.07% | Add |
| 21 | URTH | Ishares Msci World ETF | +0.2% | +29.05% | Add |
| 22 | GLW | Corning Inc | +0.2% | +35.98% | Add |
| 23 | LLY | Eli Lilly & Co | +0.1% | +0.36% | Add |
| 24 | WDC | Western Digital CORP | +0.1% | -16.28% | Trim |
| 25 | AVGO | Broadcom Inc | +0.1% | +2.47% | Add |
| 26 | CRWD | Crowdstrike Holdings Inc - A | +0.1% | -3.80% | Trim |
| 27 | PANW | Palo Alto Networks Inc | +0.1% | +3.25% | Add |
| 28 | DDOG | Datadog Inc - Class A | +0.1% | -4.59% | Trim |
| 29 | DELL | Dell Technologies -c | +0.1% | -3.09% | Trim |
| 30 | VTI | Vanguard Total Stock Mkt ETF | +0.1% | NEW | New buy |
| 31 | VWOB | Vanguard Emerg Mkts Gov Bnd | +0.1% | +39.42% | Add |
| 32 | TXN | Texas Instruments Inc | +0.1% | +0.93% | Add |
| 33 | IAU | Ishares Gold Trust | +0.1% | +143.64% | Add |
| 34 | BAM | Brookfield Asset Mgmt-a | +0.1% | NEW | New buy |
| 35 | ALAB | Astera Labs Inc | +0.1% | +61.43% | Add |
| 36 | APH | Amphenol Corp-cl A | +0.1% | -0.32% | Trim |
| 37 | FNV | Franco-nevada CORP | +0.1% | +1719.47% | Add |
| 38 | ROK | Rockwell Automation Inc | +0.1% | +85.36% | Add |
| 39 | ✓ | +0.1% | NEW | New buy | |
| 40 | GE | General Electric | +0.1% | +0.52% | Add |
| 41 | FTNT | Fortinet Inc | +0.1% | -16.93% | Trim |
| 42 | RCL | Royal Caribbean Cruises Ltd. | +0.1% | +41.82% | Add |
| 43 | DCI | Donaldson Co Inc | +0.1% | +2174.41% | Add |
| 44 | GEV | GE Vernova Inc | 0% | +0.56% | Add |
| 45 | ANET | Arista Networks Inc | 0% | -2.68% | Trim |
| 46 | QCOM | Qualcomm Inc | 0% | +3.32% | Add |
| 47 | MSI | Motorola Solutions Inc | 0% | +68.95% | Add |
| 48 | VGT | Vanguard Info Tech ETF | 0% | +946.19% | Add |
| 49 | CVS | Cvs Health CORP | 0% | +5.52% | Add |
| 50 | FTAI | FTAI Aviation Ltd. | 0% | +184.98% | Add |
1–50 of 200
Filing History
FAQ
What is Sumitomo Mitsui DS Asset Management Company, Ltd and what type of investor is it?
Sumitomo Mitsui DS Asset Management Company, Ltd is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $14.5B, spread across 767 disclosed positions.
What are Sumitomo Mitsui DS Asset Management Company, Ltd's largest equity positions?
Based on the latest 13F filing, Sumitomo Mitsui DS Asset Management Company, Ltd's top holdings by market value are:
1. Nvidia CORP (NVDA) — $813.8M (5.6%)
2. Apple Inc (AAPL) — $685.3M (4.7%)
3. Microsoft CORP (MSFT) — $528.1M (3.6%)
4. Alphabet Inc-cl A (GOOGL) — $455.2M (3.1%)
5. Amazon.com Inc (AMZN) — $415.6M (2.9%)
What changes did Sumitomo Mitsui DS Asset Management Company, Ltd make in its most recent portfolio filing?
In the latest reported quarter, Sumitomo Mitsui DS Asset Management Company, Ltd made 199 notable position adjustments: 15 new positions were initiated, 108 existing holdings were added to, 69 positions were partially reduced, and 7 were completely exited. The largest of these moves: Sold out: Honeywell International Inc (HON); New buy: Ishares US Real Estate ETF (IYR); New buy: ; New buy: ; New buy: Vanguard Ftse Developed ETF (VEA)
What sectors does Sumitomo Mitsui DS Asset Management Company, Ltd focus on?
Sumitomo Mitsui DS Asset Management Company, Ltd is concentrated in the following sectors based on its current disclosed equity portfolio:
• Information Technology: 34.0%
• Financials: 13.4%
• Industrials: 10.1%
• Health Care: 9.6%
• Communication Services: 9.1%
• Consumer Discretionary: 9.1%
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Investment Profile
Sumitomo Mitsui DS Asset Management Company, Ltd returned an annualized 19.2% over the trailing 36 months — underperforming the S&P 500 by 0.4 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.94 (roughly in line with the market) and a 44% quarterly batting average against the index.
Its portfolio is broadly diversified and moderately active, with 34.0% of the portfolio concentrated in Information Technology.
Its turnover score has risen from 0 to 24 over the past 4 quarters — a shift toward more active trading.
It has added to its MU position over the past two quarters (+$160.5M, now $205.9M), while trimming CRM over the same stretch (-$41.5M, still holding $56.4M).
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