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Asset Management One Co., Ltd.

Diversified strategyMomentum followerLong-term holder

Total reported value

$33.9B

Reporting period: 2026-03-31 · Number of holdings: 911

Asset Management One Co., Ltd. disclosed 911 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $33.9B and a quarterly turnover rate of 15.2%.

Personality snowflake

Concentration
6.38
Portfolio Stability
15.2
Momentum/Contrarian
100
Sector conviction
45.41
Diversification
100
Sizing Uniformity
63.2

Recent moves

  • Trim MSFT

    -1.4%　-$415.6M

  • Add XOM

    +1.7%　$99.7M

  • Trim TSLA

    -2.3%　-$127.1M

  • Trim GLDM

    -43.3%　-$87.2M

  • Add CAT

    +10.4%　$59.0M

  • Add CVX

    +2.1%　$56.1M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1IVVIshares Core S&p 500 ETFETF-Large Cap & Growth6.21%-0.01%-0.29%
2NVDANvidia CORPStock-Tech5.70%-0.11%-0.10%
3AAPLApple INCStock-Tech4.92%-0.14%-1.08%
4MSFTMicrosoft CORPStock-Tech3.67%-0.94%-1.41%
5AMZNAmazon.com INCStock-Consumer Disc2.82%-0.12%+0.86%
6GOOGLAlphabet Inc-cl AStock-Comm Services2.35%-0.08%-0.60%
7AVGOBroadcom INCStock-Tech1.98%-0.15%-1.13%
8GOOGAlphabet Inc-cl CStock-Comm Services1.91%-0.10%-1.74%
9METAMeta Platforms Inc-class AStock-Comm Services1.81%-0.13%+1.20%
10VGKVanguard Ftse Europe ETFETF-Other1.54%—+0.38%
11IEMGIshares Core Msci EmergingETF-Emerging Markets1.48%+0.16%+2.03%
12TSLATesla INCStock-Consumer Disc1.41%-0.28%-2.31%
13JPMJpmorgan Chase & CoStock-Financials1.16%-0.11%-5.87%
14LLYEli Lilly & CoStock-Healthcare1.01%-0.10%+0.99%
15XOMExxon Mobil CORPStock-Energy0.98%+0.34%+1.66%
16JNJJohnson & JohnsonStock-Healthcare0.90%+0.18%-0.18%
17BRK-BBerkshire Hathaway Inc-cl BStock-Other0.84%—-0.59%
18VVisa Inc-class A SharesStock-Financials0.81%-0.11%-2.45%
19WMTWalmart INCStock-Consumer Staples0.80%+0.13%+2.40%
20WELLWelltower INCStock-Real Estate0.76%—+0.31%
21PLDPrologis INCStock-Real Estate0.70%—-1.04%
22CATCaterpillar INCStock-Industrials0.67%+0.20%+10.45%
23COSTCostco Wholesale CORPStock-Consumer Staples0.66%+0.11%-0.63%
24GSGoldman Sachs Group INCStock-Financials0.61%—-3.17%
25MAMastercard INC - AStock-Financials0.60%-0.07%-3.19%
26CVXChevron CORPStock-Energy0.58%+0.19%+2.15%
27ABBVAbbvie INCStock-Healthcare0.56%—-3.21%
28NFLXNetflix INCStock-Comm Services0.56%—-3.33%
29EQIXEquinix INCStock-Real Estate0.54%+0.14%-1.63%
30HDHome Depot INCStock-Consumer Disc0.53%—+2.66%
31MRKMerck & Co. INC.Stock-Healthcare0.51%+0.11%+6.77%
32MUMicron Technology INCStock-Tech0.51%—-1.19%
33KOCoca-cola Co/theStock-Consumer Staples0.49%—-0.31%
34PGProcter & Gamble Co/theStock-Consumer Staples0.49%—-0.54%
35CSCOCisco Systems INCStock-Tech0.48%—-7.56%
36BACBank Of America CORPStock-Financials0.47%-0.07%-6.62%
37PMPhilip Morris InternationalStock-Consumer Staples0.44%—-1.01%
38AMDAdvanced Micro DevicesStock-Tech0.44%—-0.25%
39LRCXLam Research CORPStock-Tech0.42%+0.10%+2.13%
40USIGIshares Broad Usd InvestmentETF-Other0.42%—+16.75%
41PLTRPalantir Technologies Inc-aStock-Tech0.42%-0.08%-0.06%
42GEGeneral ElectricStock-Industrials0.41%—+0.20%
43GLDMSpdr Gold Minishares TrustETF-Commodities0.41%-0.22%-43.31%
44UNHUnitedhealth Group INCStock-Healthcare0.39%-0.06%-0.10%
45MCDMcdonald's CORPStock-Consumer Disc0.39%—-0.77%
46IBMIntl Business Machines CORPStock-Tech0.39%-0.07%-1.15%
47AMGNAmgen INCStock-Healthcare0.36%—-1.17%
48GEVGE Vernova INCStock-Industrials0.35%+0.10%+2.45%
49AMATApplied Materials INCStock-Tech0.34%+0.09%-0.74%
50RTXRtx CORPStock-Industrials0.34%—+7.44%
1–50 of 911

Holding changes this quarter

Asset Management One Co., Ltd.'s most significant position changes for 2026-03-31: New buy: Lumentum Holdings INC (LITE); Trim: Microsoft CORP (MSFT) — shares -1.41%; Add: Exxon Mobil CORP (XOM) — shares +1.66%; Trim: Tesla INC (TSLA) — shares -2.31%; Trim: Spdr Gold Minishares Trust (GLDM) — shares -43.31%.

Position changes disclosed by Asset Management One Co., Ltd. for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1XOMExxon Mobil CORP+0.3%+1.66%Add
2CATCaterpillar INC+0.2%+10.45%Add
3CVXChevron CORP+0.2%+2.15%Add
4JNJJohnson & Johnson+0.2%-0.18%Trim
5IEMGIshares Core Msci Emerging+0.2%+2.03%Add
6EQIXEquinix INC+0.1%-1.63%Trim
7WMTWalmart INC+0.1%+2.40%Add
8MRKMerck & Co. INC.+0.1%+6.77%Add
9COSTCostco Wholesale CORP+0.1%-0.63%Trim
10GEVGE Vernova INC+0.1%+2.45%Add
11LRCXLam Research CORP+0.1%+2.13%Add
12VZVerizon Communications INC+0.1%+6.67%Add
13AMATApplied Materials INC+0.1%-0.74%Trim
14COPConocophillips+0.1%+4.41%Add
15VRTVertiv Holdings Co-a+0.1%+26.88%Add
16IVVIshares Core S&p 500 ETF0%-0.29%Trim
17WFCWells Fargo & Co0%-2.39%Trim
18ISRGIntuitive Surgical INC0%-0.17%Trim
19DISWalt Disney Co/the-0.1%-7.06%Trim
20QCOMQualcomm INC-0.1%-0.80%Trim
21ACNAccenture plc-0.1%-1.04%Trim
22UNHUnitedhealth Group INC-0.1%-0.10%Trim
23SPGIS&p Global INC-0.1%-12.88%Trim
24MELIMercadolibre INC-0.1%-27.38%Trim
25MAMastercard INC - A-0.1%-3.19%Trim
26IBMIntl Business Machines CORP-0.1%-1.15%Trim
27BACBank Of America CORP-0.1%-6.62%Trim
28APPApplovin Corp-class A-0.1%+1.05%Add
29BKNGBooking Holdings INC-0.1%-9.34%Trim
30GOOGLAlphabet Inc-cl A-0.1%-0.60%Trim
31PLTRPalantir Technologies Inc-a-0.1%-0.06%Trim
32AXPAmerican Express Co-0.1%-5.66%Trim
33ORCLOracle CORP-0.1%-0.91%Trim
34NOWServicenow INC-0.1%-13.66%Trim
35BSXBoston Scientific CORP-0.1%-11.46%Trim
36GOOGAlphabet Inc-cl C-0.1%-1.74%Trim
37LLYEli Lilly & Co-0.1%+0.99%Add
38NVDANvidia CORP-0.1%-0.10%Trim
39JPMJpmorgan Chase & Co-0.1%-5.87%Trim
40VVisa Inc-class A Shares-0.1%-2.45%Trim
41CRMSalesforce INC-0.1%-1.72%Trim
42INTUIntuit INC-0.1%-14.10%Trim
43AMZNAmazon.com INC-0.1%+0.86%Add
44METAMeta Platforms Inc-class A-0.1%+1.20%Add
45AAPLApple INC-0.1%-1.08%Trim
46AVGOBroadcom INC-0.2%-1.13%Trim
47GLDMSpdr Gold Minishares Trust-0.2%-43.31%Trim
48TSLATesla INC-0.3%-2.31%Trim
49MSFTMicrosoft CORP-0.9%-1.41%Trim
50LITELumentum Holdings INC—NEWNew buy

FAQ

What is Asset Management One Co., Ltd. and what type of investor is it?
Asset Management One Co., Ltd. is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $33.9B, spread across 911 disclosed positions.
What are Asset Management One Co., Ltd.'s largest equity positions?
Based on the latest 13F filing, Asset Management One Co., Ltd.'s top holdings by market value are: 1. Ishares Core S&p 500 ETF (IVV) — $2.1B (6.2%) 2. Nvidia CORP (NVDA) — $1.9B (5.7%) 3. Apple INC (AAPL) — $1.7B (4.9%) 4. Microsoft CORP (MSFT) — $1.2B (3.7%) 5. Amazon.com INC (AMZN) — $956.8M (2.8%)
What changes did Asset Management One Co., Ltd. make in its most recent portfolio filing?
In the latest reported quarter, Asset Management One Co., Ltd. made 50 notable position adjustments: 1 new positions were initiated, 15 existing holdings were added to, 34 positions were partially reduced, and 0 were completely exited. The largest of these moves: New buy: Lumentum Holdings INC (LITE); Trim: Microsoft CORP (MSFT) — shares -1.41%; Add: Exxon Mobil CORP (XOM) — shares +1.66%; Trim: Tesla INC (TSLA) — shares -2.31%; Trim: Spdr Gold Minishares Trust (GLDM) — shares -43.31%
What sectors does Asset Management One Co., Ltd. focus on?
Asset Management One Co., Ltd. is concentrated in the following sectors based on its current disclosed equity portfolio: • Information Technology: 30.3% • Financials: 11.5% • Communication Services: 9.7% • Consumer Discretionary: 9.6% • Health Care: 9.6% • Industrials: 8.9%