Asset Management One Co., Ltd.Asset Management One Co., Ltd.

Institutional investor · Portfolio as of Q1 2026

SEC EDGAR SourceSEC Filings

Top Holdings911 positions

Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction
IVVIVV
ETF

iShares Trust CORE S&P500 ETF

3.2M$2.1B6.2%$268.85+181.99%
29 qtrssince 2019-Q1
Decreased
0

NVIDIA CORPORATION

11.1M$1.9B5.7%$115.56+82.55%
29 qtrssince 2019-Q1
Decreased
0

APPLE INC

6.6M$1.7B4.9%$112.65+179.90%
29 qtrssince 2019-Q1
Decreased
0

MICROSOFT CORP

3.4M$1.2B3.7%$159.65+141.21%
29 qtrssince 2019-Q1
Decreased
0

AMAZON COM INC

4.6M$956.8M2.8%$124.15+97.61%
29 qtrssince 2019-Q1
Increased
55

ALPHABET INC

2.8M$795.8M2.3%$109.37+226.59%
29 qtrssince 2019-Q1
Decreased
0

BROADCOM INC

2.2M$670.6M2.0%$168.17+137.83%
29 qtrssince 2019-Q1
Decreased
0

ALPHABET INC

2.3M$648.9M1.9%$106.75+232.57%
29 qtrssince 2019-Q1
Decreased
0

META PLATFORMS INC

1.1M$613.3M1.8%$236.78+182.63%
29 qtrssince 2019-Q1
Increased
50
VGKVGK
ETF

VANGUARD INTL EQUITY INDEX F

6.3M$520.8M1.5%$46.10+92.13%
29 qtrssince 2019-Q1
Increased
49
IEMGIEMG
ETF

ISHARES INC

7.2M$501.1M1.5%$45.84+77.42%
29 qtrssince 2019-Q1
Increased
50

TESLA INC

1.3M$479.8M1.4%$236.88+72.14%
29 qtrssince 2019-Q1
Decreased
0

JPMORGAN CHASE & CO

1.3M$391.8M1.2%$102.22+229.18%
29 qtrssince 2019-Q1
Decreased
0

ELI LILLY & CO

372,209$342.3M1.0%$206.69+475.05%
29 qtrssince 2019-Q1
Increased
49

EXXON MOBIL CORP

2M$331M1.0%$70.61+96.67%
29 qtrssince 2019-Q1
Increased
44

JOHNSON & JOHNSON

1.2M$305.3M0.9%$121.36+111.75%
29 qtrssince 2019-Q1
Decreased
0

BERKSHIRE HATHAWAY INC DEL

592,393$283.9M0.8%$250.78+90.35%
29 qtrssince 2019-Q1
Decreased
0

VISA INC

910,219$275.1M0.8%$189.89+83.77%
29 qtrssince 2019-Q1
Decreased
0

WALMART INC

2.2M$272.8M0.8%$53.24+113.94%
29 qtrssince 2019-Q1
Increased
44
WELLWELL
REIT

WELLTOWER INC

1.3M$257M0.8%$80.33+188.31%
29 qtrssince 2019-Q1
Increased
43
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$33.9B
AUM
911
Positions
Q1 2026
Filing
Rating · 2.5
Quarterly Portfolio Change
+4%Q4'24$29.1B-1%Q1'25$28.9B+10%Q2'25$31.9B+8%Q3'25$34.5B+4%Q4'25$36B-6%Q1'26$33.9B
Activity profile
$ moved · Q1'26
New2%Increased30%Decreased66%Exited2%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 5.7 years
<1Q3%1-4Q5%1-2Y5%2Y+88%

Asset Management One Co., Ltd. manages $33.9B across 911 positions as of Q1 2026. Top holdings: IVV (6.2%), NVDA (5.7%), AAPL (4.9%). Fund DNA: Steady Compounder. HoldingsIntel Rating: 2.5/5.0.

Q1 2026 Summary

Active quarter - 36 new positions, 64 exits, 278 increased. Top move: AMZN (INCREASED, conviction 55). Portfolio: $33.9B across 911 positions.

Top holdings by portfolio weight

Total AUM$34B
IVV6.21%
NVDA5.70%
AAPL4.92%
MSFT3.67%
AMZN2.82%
GOOGL2.35%
AVGO1.98%
GOOG1.91%
META1.81%
VGK1.54%
Other1.48%

Portfolio allocation by GICS sector

Sectors11
Technology26.56%
Unknown12.22%
Financial Services10.02%
Communication Services8.54%
Consumer Cyclical8.40%
Healthcare8.34%
Industrials7.78%
Real Estate6.75%
Consumer Defensive4.52%
Energy3.13%
Other3.74%

Behavioral investing profile

7-dimension quality assessment
Solid(2.5 / 5.0)
Track Record68
Conviction39
Concentration49
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

Security
7Q
AMZNAMAZON COM INC
Q3 2024 Q1 2026+717,814 shares+$207.7M
7Q
ARESARES MANAGEMENT CORPORATION
Q3 2024 Q1 2026+27,439 shares+$1.4M
7Q
AXONAXON ENTERPRISE INC
Q3 2024 Q1 2026+7,648 shares+$6.6M

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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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