Asset Management One Co., Ltd.
Long book
$33.91B
Q1 2026
Positions
911
Top-10 weight
33%
concentration
Last quarter
+14.3%
SPY +14.8%
Turnover
10%
of book per quarter
Strategy in plain words
auto-generated from filingsAsset Management One Co., Ltd. is an institutional manager, running a $33.91B US long book across 911 positions.
The portfolio is moderately concentrated (top 10 ≈ 33% of the book). Turnover is modest: positions are typically held for years. Current anchor positions: ISHARES CORE S&P 500 ETF, NVIDIA CORP, APPLE INC, MICROSOFT CORP, AMAZON.COM INC.
Over the last 9 quarters its long book ran on average 0.1pp per quarter behind the S&P 500, beating the index in 3 of 9 quarters. Signal value of individual moves is limited — treat changes as weak evidence.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+3.4%
Q2 2024
+6.9%
Q3 2024
+1.4%
Q4 2024
-3.3%
Q1 2025
+10.3%
Q2 2025
+7.5%
Q3 2025
+2.2%
Q4 2025
-3.7%
Q1 2026
+14.3%
Sector allocation
Technology 39%
Industrials 11%
Financials 11%
Consumer discretionary 10%
Healthcare 8%
Services media 5%
Utilities 4%
Other 3%
Long book by quarter
What does Asset Management own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 11.1M | $1.93B | 5.7% | -0.1% |
| AAPL APPLE INC | Technology | 6.6M | $1.67B | 4.9% | -1.1% |
| MSFT MICROSOFT CORP | Technology | 3.4M | $1.24B | 3.7% | -1.4% |
| AMZN AMAZON.COM INC | Consumer discretionary | 4.6M | $956.8M | 2.8% | +0.9% |
| GOOGL ALPHABET INC-CL A | Technology | 2.8M | $795.8M | 2.3% | -0.6% |
| AVGO BROADCOM INC | Technology | 2.2M | $670.6M | 2.0% | -1.1% |
| GOOG ALPHABET INC-CL C | Technology | 2.3M | $648.9M | 1.9% | -1.7% |
| META META PLATFORMS INC-CLASS A | Technology | 1.1M | $613.3M | 1.8% | +1.2% |
| TSLA TESLA INC | Industrials | 1.3M | $479.8M | 1.4% | -2.3% |
| JPM JPMORGAN CHASE & CO | Financials | 1.3M | $391.8M | 1.2% | -5.9% |
| LLY ELI LILLY & CO | Healthcare | 372.2K | $342.3M | 1.0% | +1.0% |
| XOM EXXON MOBIL CORP | Energy | 2.0M | $331.0M | 1.0% | +1.7% |
| JNJ JOHNSON & JOHNSON | Healthcare | 1.2M | $305.3M | 0.9% | -0.2% |
| BRK/B BERKSHIRE HATHAWAY INC-CL B | Financials | 592.4K | $283.9M | 0.8% | -0.6% |
| V VISA INC-CLASS A SHARES | Services media | 910.2K | $275.1M | 0.8% | -2.4% |
| WMT WALMART INC | Consumer discretionary | 2.2M | $272.8M | 0.8% | +2.4% |
| CAT CATERPILLAR INC | Industrials | 319.5K | $226.4M | 0.7% | +10.4% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 226.2K | $225.4M | 0.7% | -0.6% |
| GS GOLDMAN SACHS GROUP INC | Financials | 246.3K | $208.3M | 0.6% | -3.2% |
| MA MASTERCARD INC - A | Services media | 404.1K | $201.9M | 0.6% | -3.2% |
| CVX CHEVRON CORP | Energy | 950.0K | $196.6M | 0.6% | +2.1% |
| ABBV ABBVIE INC | Healthcare | 880.0K | $191.4M | 0.6% | -3.2% |
| NFLX NETFLIX INC | Services media | 2.0M | $188.8M | 0.6% | -3.3% |
| HD HOME DEPOT INC | Consumer discretionary | 546.3K | $179.7M | 0.5% | +2.7% |
| MRK MERCK & CO. INC. | Healthcare | 1.4M | $173.4M | 0.5% | +6.8% |
| MU MICRON TECHNOLOGY INC | Technology | 506.9K | $171.3M | 0.5% | -1.2% |
| KO COCA-COLA CO/THE | Consumer staples | 2.2M | $166.1M | 0.5% | -0.3% |
| PG PROCTER & GAMBLE CO/THE | Other | 1.1M | $166.0M | 0.5% | -0.5% |
| CSCO CISCO SYSTEMS INC | Technology | 2.1M | $161.4M | 0.5% | -7.6% |
| BAC BANK OF AMERICA CORP | Financials | 3.3M | $160.8M | 0.5% | -6.6% |
| PM PHILIP MORRIS INTERNATIONAL | Consumer staples | 904.8K | $149.6M | 0.4% | -1.0% |
| AMD ADVANCED MICRO DEVICES | Technology | 734.4K | $149.4M | 0.4% | -0.2% |
| LRCX LAM RESEARCH CORP | Industrials | 668.7K | $142.9M | 0.4% | +2.1% |
| PLTR PALANTIR TECHNOLOGIES INC-A | Technology | 966.9K | $141.4M | 0.4% | -0.1% |
| GE GENERAL ELECTRIC | Industrials | 486.1K | $137.9M | 0.4% | +0.2% |
| UNH UNITEDHEALTH GROUP INC | Financials | 494.6K | $133.8M | 0.4% | -0.1% |
| MCD MCDONALD'S CORP | Consumer discretionary | 420.7K | $130.7M | 0.4% | -0.8% |
| IBM INTL BUSINESS MACHINES CORP | Technology | 539.0K | $130.6M | 0.4% | -1.1% |
| AMGN AMGEN INC | Healthcare | 342.7K | $120.6M | 0.4% | -1.2% |
| GEV GE VERNOVA INC | Industrials | 137.1K | $119.7M | 0.4% | +2.5% |
| AMAT APPLIED MATERIALS INC | Technology | 339.8K | $116.2M | 0.3% | -0.7% |
| RTX RTX CORP | Industrials | 596.6K | $115.1M | 0.3% | +7.4% |
| ORCL ORACLE CORP | Technology | 758.2K | $111.5M | 0.3% | -0.9% |
| AXP AMERICAN EXPRESS CO | Financials | 368.4K | $111.4M | 0.3% | -5.7% |
| VZ VERIZON COMMUNICATIONS INC | Communications | 2.2M | $111.1M | 0.3% | +6.7% |
| KLAC KLA CORP | Other | 73.5K | $108.2M | 0.3% | -2.7% |
| C CITIGROUP INC | Financials | 948.1K | $107.5M | 0.3% | -9.7% |
| PEP PEPSICO INC | Consumer staples | 678.8K | $105.4M | 0.3% | +6.1% |
| WFC WELLS FARGO & CO | Financials | 1.3M | $104.9M | 0.3% | -2.4% |
| MS MORGAN STANLEY | Financials | 634.3K | $104.4M | 0.3% | -1.9% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 8, 2026 | 911 | $33.91B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Jan 27, 2026 | 939 | $35.97B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Oct 22, 2025 | 946 | $34.51B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Jul 31, 2025 | 944 | $31.90B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | Apr 23, 2025 | 966 | $28.91B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Jan 30, 2025 | 952 | $29.11B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Oct 30, 2024 | 965 | $28.10B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Jul 18, 2024 | 962 | $26.14B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 2, 2024 | 973 | $25.95B | canonical | SEC ↗ |
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