Q2 2026 13F · SEC CIK 1068855

Asset Management One Co., Ltd.

Institutional asset managerFiled 2026-07-28 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $39.0B
Reported positions: 957
Top holdings a year, 3 yrs: +23.8%
Assets under management: $470.5B

Asset Management One Co., Ltd. is an institutional asset manager that reported 957 positions worth $39.0B in its Q2 2026 13F, filed 2026-07-28. Its largest holdings were Ishares Core S&p 500 ETF (IVV, 6.3%), Nvidia Corporation Com (NVDA, 5.5%), Apple Inc (AAPL, 5.0%). A portfolio copying its top holdings returned 23.8% a year over the last 3 years, against 20.4% for the S&P 500.

Asset Management One Co., Ltd. holdings largest 50 of 957 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Asset Management One Co., Ltd. 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
IVVIshares Core S&p 500 ETF	6.3%	6.2%	3,253,020	+0.8%	$2.4B
NVDANvidia Corporation Com	5.5%	5.7%	10,758,962	-3.0%	$2.2B
AAPLApple Inc	5.0%	4.9%	6,707,060	+2.0%	$1.9B
MSFTMicrosoft Corp	3.3%	3.7%	3,425,583	+2.0%	$1.3B
AMZNAmazon Com Inc Com	2.9%	2.8%	4,661,019	+1.5%	$1.1B
GOOGLAlphabet Inc	2.6%	2.3%	2,884,732	+4.2%	$1.0B
AVGOBroadcom Inc	2.1%	2.0%	2,147,884	-0.9%	$811.4M
GOOGAlphabet Inc	2.0%	1.9%	2,211,427	-2.2%	$781.4M
MUMicron Technology Inc	1.6%	0.5%	530,154	+4.6%	$612.0M
METAMeta Platforms Inc Class A	1.6%	1.8%	1,073,040	+0.1%	$604.4M
IEMGIshares	1.5%	1.5%	7,068,028	-1.6%	$585.5M
TSLATesla Inc Com	1.5%	1.4%	1,357,562	+5.2%	$571.0M
VGKVanguard Intl Equity Index F	1.4%	1.5%	6,241,352	-1.2%	$552.6M
LLYLilly Eli & Co	1.2%	1.0%	384,625	+3.3%	$461.3M
AMDAdvanced Micro Devices Inc	1.1%	0.4%	762,209	+3.8%	$442.8M
JPMJpmorgan Chase & Co	1.1%	1.2%	1,318,113	-1.0%	$431.5M
CATCaterpillar Inc Com	0.9%	0.7%	320,025	+0.2%	$340.8M
JNJJohnson & Johnson	0.8%	0.9%	1,249,228	+0.0%	$317.3M
BRK-BBerkshire Hathaway Inc Del	0.8%	0.8%	619,590	+4.6%	$310.0M
VVisa Inc Com Cl A	0.8%	0.8%	899,673	-1.2%	$308.7M
WELLWelltower Inc	0.8%	0.8%	1,326,391	+2.0%	$301.1M
INTCIntel Corp	0.8%	—	2,094,705	—	$292.5M
LRCXLam Research Corp	0.7%	0.4%	630,534	-5.7%	$273.2M
AMATApplied Matls Inc	0.7%	0.3%	370,282	+9.0%	$267.7M
XOMExxon Mobil Corp	0.7%	1.0%	1,939,080	-0.6%	$265.1M
CSCOCisco Sys Inc	0.6%	0.5%	2,140,956	+2.9%	$251.5M
WMTWalmart Inc	0.6%	0.8%	2,198,582	+0.1%	$249.0M
GSGoldman Sachs Group Inc	0.6%	0.6%	241,898	-1.8%	$244.6M
PLDPrologis Inc	0.6%	0.7%	1,795,486	-0.2%	$243.2M
UNHUnitedhealth Group Inc Com	0.6%	0.4%	540,703	+9.3%	$224.7M
COSTCostco Whsl Corp New	0.5%	0.7%	227,281	+0.5%	$212.6M
KLACKla Corp	0.5%	—	698,179	—	$210.6M
ABBVAbbvie Inc	0.5%	0.6%	836,335	-5.0%	$210.5M
MAMastercard Inc.	0.5%	0.6%	395,840	-2.0%	$203.3M
GEGe Aerospace	0.5%	0.4%	539,411	+11.0%	$201.6M
EQIXEquinix Inc	0.5%	0.5%	188,734	+0.8%	$196.7M
HDHome Depot Inc Com	0.5%	0.5%	521,980	-4.5%	$184.1M
BACBank of Amer Corp	0.5%	0.5%	3,204,174	-2.8%	$182.6M
MRKMerck & Co. Inc	0.5%	0.5%	1,380,043	-4.3%	$177.3M
PGProcter & Gamble Co Com	0.4%	0.5%	1,146,165	-0.3%	$168.1M
KOCoca Cola Co	0.4%	0.5%	2,054,854	-5.9%	$167.0M
IBMInternational Business Machs	0.4%	0.4%	551,582	+2.3%	$155.1M
USIGiShares Broad USD Invm Grd Cor	0.4%	0.4%	3,002,847	+8.5%	$154.0M
CVXChevron Corp New	0.4%	0.6%	929,123	-2.2%	$154.0M
GEVGe Vernova Inc	0.4%	0.4%	129,915	-5.3%	$152.6M
PMPhilip Morris Intl Inc Com	0.4%	0.4%	805,893	-10.9%	$145.8M
PANWPalo Alto Networks Inc	0.4%	—	413,429	—	$141.0M
NFLXNetflix Inc Total	0.4%	0.6%	1,960,665	-0.1%	$140.0M
SPGSimon Property Group Inc	0.3%	—	603,265	—	$134.9M
MSMorgan Stanley Com New	0.3%	—	619,784	—	$129.6M

What Asset Management One Co., Ltd. bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +18.5% /yr; S&P 500 +20.1%
3 years: +23.8% /yr; S&P 500 +20.4%
5 years: +14.0% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$39.0B	957
Q1 2026	$33.9B	911
Q4 2025	$36.0B	939
Q3 2025	$34.5B	946
Q2 2025	$31.9B	944
Q1 2025	$28.9B	966
Q4 2024	$29.1B	952
Q3 2024	$28.1B	964
Q2 2024	$26.1B	961
Q1 2024	$25.9B	972
Q4 2023	$24.8B	975
Q3 2023	$22.5B	989

Questions about Asset Management One Co., Ltd.'s portfolio

What stocks does Asset Management One Co., Ltd. own?

Asset Management One Co., Ltd.'s latest 13F, for Q2 2026 and filed Jul 28, 2026, lists 957 positions worth $39.0B. The largest are Ishares Core S&p 500 ETF (IVV) at 6.3%, Nvidia Corporation Com (NVDA) at 5.5%, Apple Inc (AAPL) at 5.0%, Microsoft Corp (MSFT) at 3.3% and Amazon Com Inc Com (AMZN) at 2.9%.

What did Asset Management One Co., Ltd. buy last quarter?

In Q2 2026, Asset Management One Co., Ltd. added Ge Aerospace (GE) (+11.0% shares), Unitedhealth Group Inc Com (UNH) (+9.3% shares) and Applied Matls Inc (AMAT) (+9.0% shares), compared with its Q1 2026 filing.

What did Asset Management One Co., Ltd. sell last quarter?

In Q2 2026, Asset Management One Co., Ltd. cut from its top 50 Palantir Technologies Inclass Class A (PLTR), cut from its top 50 World Gold Tr (GLDM), cut from its top 50 Mcdonalds Corp Com (MCD), cut from its top 50 Amgen Inc Com (AMGN), cut from its top 50 Rtx Corporation Com (RTX), Philip Morris Intl Inc Com (PM) (-10.9% shares), Coca Cola Co (KO) (-5.9% shares) and Lam Research Corp (LRCX) (-5.7% shares), compared with its Q1 2026 filing.

How has Asset Management One Co., Ltd.'s portfolio performed?

A portfolio copying Asset Management One Co., Ltd.'s 20 largest 13F holdings each quarter, from the day each filing was public, returned +23.8% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +18.5% against +20.1%. Over 5 years: +14.0% a year against +11.6%.

When is Asset Management One Co., Ltd.'s next 13F filing due?

13F filings are due 45 days after each quarter ends. Asset Management One Co., Ltd.'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does Asset Management One Co., Ltd. manage?

Asset Management One Co., Ltd. reported $470.5B of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $39.0B.