Asset Management One Co., Ltd. holds a diversified book of 911 stocks worth $33.9B as of Q1 2026 (disclosed May 8, 2026, a ~45-day 13F lag). This quarter they opened Lumentum Holdings Inc and trimmed Ishares Core S&P 500 ETF. Their largest long position is Ishares Core S&P 500 ETF at 6% of the equity book.
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Use Arkolith to show Asset Management One Co., Ltd.'s latest holdings, largest changes, and filing provenance.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
88% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Ishares TR CORE S&P500 ETF | $2.1B | 3.23M | 6.2% | ▼−0.3% Reduced · −9K sh | |
| 2 | Nvidia Corporation COM | $1.9B | 11.09M | 5.7% | ▼−0.1% Reduced · −11K sh | |
| 3 | Apple Inc COM | $1.7B | 6.58M | 4.9% | ▼−1.1% Reduced · −72K sh | |
| 4 | Microsoft Corp COM | $1.2B | 3.36M | 3.7% | ▼−1.4% Reduced · −48K sh | |
| 5 | Amazon Com Inc COM | $956.8M | 4.59M | 2.8% | ▲+0.8% Added · +39K sh | |
| 6 | Alphabet Inc CAP STK CL A | $795.8M | 2.77M | 2.3% | ▼−0.6% Reduced · −17K sh | |
| 7 | Broadcom Inc COM | $670.6M | 2.17M | 2.0% | ▼−1.1% Reduced · −25K sh | |
| 8 | Alphabet Inc CAP STK CL C | $648.9M | 2.26M | 1.9% | ▼−1.7% Reduced · −40K sh | |
| 9 | Meta Platforms Inc CL A | $613.3M | 1.07M | 1.8% | ▲+1.2% Added · +13K sh | |
| 10 | Vanguard Intl Equity Index F FTSE EUROPE ETF | $520.8M | 6.32M | 1.5% | ▲+0.4% Added · +24K sh | |
| 11 | Ishares Inc CORE MSCI EMKT | $501.1M | 7.18M | 1.5% | ▲+2.0% Added · +143K sh | |
| 12 | Tesla Inc COM | $479.8M | 1.29M | 1.4% | ▼−2.3% Reduced · −30K sh | |
| 13 | JPMorgan Chase & Co COM | $391.8M | 1.33M | 1.2% | ▼−5.9% Reduced · −83K sh | |
| 14 | Eli Lilly & Co COM | $342.3M | 372.2K | 1.0% | ▲+1.0% Added · +4K sh | |
| 15 | Exxon Mobil Corp COM | $331.0M | 1.95M | 1.0% | ▲+1.7% Added · +32K sh | |
| 16 | Johnson & Johnson COM | $305.3M | 1.25M | 0.9% | ▼−0.2% Reduced · −2K sh | |
| 17 | Berkshire Hathaway Inc Del CL B NEW | $283.9M | 592.4K | 0.8% | ▼−0.6% Reduced · −3K sh | |
| 18 | Visa Inc COM CL A | $275.1M | 910.2K | 0.8% | ▼−2.4% Reduced · −23K sh | |
| 19 | Walmart Inc COM | $272.8M | 2.20M | 0.8% | ▲+2.4% Added · +52K sh | |
| 20 | Welltower Inc COM | $257.0M | 1.30M | 0.8% | ▲+0.3% Added · +4K sh | |
| 21 | Prologis Inc. COM | $237.9M | 1.80M | 0.7% | ▼−1.0% Reduced · −19K sh | |
| 22 | Caterpillar Inc COM | $226.4M | 319.5K | 0.7% | ▲+10% Added · +30K sh | |
| 23 | Costco Wholesale Corporation COM | $225.4M | 226.2K | 0.7% | ▼−0.6% Reduced · −1K sh | |
| 24 | Goldman Sachs Group Inc COM | $208.3M | 246.3K | 0.6% | ▼−3.2% Reduced · −8K sh | |
| 25 | Mastercard Incorporated CL A | $201.9M | 404.1K | 0.6% | ▼−3.2% Reduced · −13K sh | |
| 26 | Chevron Corporation COM | $196.6M | 950.0K | 0.6% | ▲+2.1% Added · +20K sh | |
| 27 | Abbvie Inc COM | $191.4M | 880.0K | 0.6% | ▼−3.2% Reduced · −29K sh | |
| 28 | Netflix Inc. COM | $188.8M | 1.96M | 0.6% | ▼−3.3% Reduced · −68K sh | |
| 29 | Equinix Inc COM | $183.5M | 187.2K | 0.5% | ▼−1.6% Reduced · −3K sh | |
| 30 | Home Depot Inc COM | $179.7M | 546.3K | 0.5% | ▲+2.7% Added · +14K sh | |
| 31 | Merck & Co Inc COM | $173.4M | 1.44M | 0.5% | ▲+6.8% Added · +91K sh | |
| 32 | Micron Technology Inc COM | $171.3M | 506.9K | 0.5% | ▼−1.2% Reduced · −6K sh | |
| 33 | Coca Cola Co COM | $166.1M | 2.18M | 0.5% | ▼−0.3% Reduced · −7K sh | |
| 34 | Procter & Gamble Co COM | $166.0M | 1.15M | 0.5% | ▼−0.5% Reduced · −6K sh | |
| 35 | Cisco Sys Inc COM | $161.4M | 2.08M | 0.5% | ▼−7.6% Reduced · −170K sh | |
| 36 | Bank America Corp COM | $160.8M | 3.30M | 0.5% | ▼−6.6% Reduced · −234K sh | |
| 37 | Philip Morris Intl Inc COM | $149.6M | 904.8K | 0.4% | ▼−1.0% Reduced · −9K sh | |
| 38 | Advanced Micro Devices Inc COM | $149.4M | 734.4K | 0.4% | ▼−0.2% Reduced · −2K sh | |
| 39 | Lam Research Corp COM NEW | $142.9M | 668.7K | 0.4% | ▲+2.1% Added · +14K sh | |
| 40 | Ishares TR USD INV GRDE ETF | $141.8M | 2.77M | 0.4% | ▲+17% Added · +397K sh | |
| 41 | Palantir Technologies Inc CL A | $141.4M | 966.9K | 0.4% | ▼−0.1% Reduced · −619 sh | |
| 42 | Ge Aerospace COM NEW | $137.9M | 486.1K | 0.4% | ▲+0.2% Added · +952 sh | |
| 43 | World Gold TR SPDR GLD MINIS | $137.8M | 1.49M | 0.4% | ▼−43% Reduced · −1.1M sh | |
| 44 | Unitedhealth Group Inc COM | $133.8M | 494.6K | 0.4% | ▼−0.1% Reduced · −472 sh | |
| 45 | McDonalds Corp COM | $130.7M | 420.7K | 0.4% | ▼−0.8% Reduced · −3K sh | |
| 46 | International Business Machs COM | $130.6M | 539.0K | 0.4% | ▼−1.1% Reduced · −6K sh | |
| 47 | Amgen Inc COM | $120.6M | 342.7K | 0.4% | ▼−1.2% Reduced · −4K sh | |
| 48 | Ge Vernova Inc COM | $119.7M | 137.1K | 0.4% | ▲+2.5% Added · +3K sh | |
| 49 | Applied Matls Inc COM | $116.2M | 339.8K | 0.3% | ▼−0.7% Reduced · −3K sh | |
| 50 | RTX Corporation COM | $115.1M | 596.6K | 0.3% | ▲+7.4% Added · +41K sh |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 8, 2026 | 911 | $33.9B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Jan 27, 2026 | 939 | $36.0B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Oct 22, 2025 | 946 | $34.5B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Jul 31, 2025 | 944 | $31.9B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | Apr 23, 2025 | 966 | $28.9B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Jan 30, 2025 | 952 | $29.1B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Oct 30, 2024 | 965 | $28.1B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Jul 18, 2024 | 962 | $26.1B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 2, 2024 | 973 | $25.9B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Jan 24, 2024 | 976 | $24.8B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Oct 19, 2023 | 990 | $22.5B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Jul 31, 2023 | 999 | $23.6B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | Apr 25, 2023 | 1,006 | $22.1B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 6, 2023 | 999 | $20.5B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 4, 2022 | 1,012 | $19.7B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Jul 29, 2022 | 1,033 | $21.3B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 13, 2022 | 1,039 | $25.6B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 9, 2022 | 1,051 | $28.7B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 2, 2021 | 1,064 | $26.1B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 3, 2021 | 1,060 | $26.9B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 14, 2021 | 1,061 | $25.2B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 12, 2021 | 1,043 | $24.3B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 13, 2020 | 1,078 | $21.8B | 13F-HR |
| Q2 2020 | Jun 30, 2020 | Aug 14, 2020 | 1,044 | $20.3B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.