Top Institutional Investors

Asset Management One Co., Ltd. — 13F Holdings & Portfolio

CIK 1068855 · latest 13F-HR filed 2026-07-28

Backtest portfolio

Asset Management One Co., Ltd. manages $38.97B in 13F-reported U.S. long-equity assets across 957 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are IVV (6.25%), NVDA (5.52%), AAPL (4.98%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 77 new positions, exited 31, added to 493, and trimmed 225.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
TEKKO BUILDING
8-2, MARUNOUCHI 1-CHOME, CHIYODA-KU
TOKYO, M0 100-0005
Phone
81-3-6774-5055
Filing Manager
Asset Management One Co., Ltd.
TOKYO, M0
Signatory
GOTO, Ryoichi
Head of Legal & Compliance
Loading holdings…
AUM

$38.97B

Long-equity book

Holdings

957

Distinct positions

Period

2026-06-30

Filed 2026-07-28

Q/Q Activity

+77 / −31 / ↑493 / ↓225

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • MICRON TECHNOLOGY INC$440.7M +257.3%
  • ISHARES TR$329.0M +15.6%
  • ADVANCED MICRO DEVICES INC$293.4M +196.4%
  • APPLE INC$272.0M +16.3%
  • ALPHABET INC$235.1M +29.5%
Show all 493 →

Top Trims

  • EXXON MOBIL CORP-$65.8M -19.9%
  • NETFLIX INC.-$48.8M -25.8%
  • CHEVRON CORPORATION-$42.5M -21.6%
  • PALANTIR TECHNOLOGIES INC-$30.7M -21.7%
  • AT&T INC-$27.4M -27.2%
Show all 225 →

New Positions

  • HONEYWELL INTL INC$50.8M
  • SPACE EXPLORATION TECHN CORP$33.3M
  • HONEYWELL AEROSPACE INC$30.2M
  • CARNIVAL CORP LTD$15.3M
  • DUPONT DE NEMOURS INC$11.8M
Show all 77 →

Exited Positions

  • HONEYWELL INTL INC$86.3M
  • CARNIVAL CORP$11.9M
  • COTERRA ENERGY INC$11.2M
  • HOLOGIC INC$10.8M
  • DUPONT DE NEMOURS INC$8.2M
Show all 31 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 ISHARES TR IVV 464287200 $2.44B 6.25% 3,253,020 SH
2 NVIDIA CORPORATION NVDA 67066G104 $2.15B 5.52% 10,758,962 SH
3 APPLE INC AAPL 037833100 $1.94B 4.98% 6,707,060 SH
4 MICROSOFT CORP MSFT 594918104 $1.28B 3.28% 3,425,583 SH
5 AMAZON COM INC AMZN 023135106 $1.11B 2.85% 4,661,019 SH
6 ALPHABET INC GOOGL 02079K305 $1.03B 2.65% 2,884,732 SH
7 BROADCOM INC AVGO 11135F101 $811.4M 2.08% 2,147,884 SH
8 ALPHABET INC GOOG 02079K107 $781.4M 2.01% 2,211,427 SH
9 MICRON TECHNOLOGY INC MU 595112103 $612.0M 1.57% 530,154 SH
10 META PLATFORMS INC META 30303M102 $604.4M 1.55% 1,073,040 SH
11 ISHARES INC IEMG 46434G103 $585.5M 1.50% 7,068,028 SH
12 TESLA INC TSLA 88160R101 $571.0M 1.47% 1,357,562 SH
13 VANGUARD INTL EQUITY INDEX F VGK 922042874 $552.6M 1.42% 6,241,352 SH
14 ELI LILLY & CO LLY 532457108 $461.3M 1.18% 384,625 SH
15 ADVANCED MICRO DEVICES INC AMD 007903107 $442.8M 1.14% 762,209 SH
16 JPMORGAN CHASE & CO JPM 46625H100 $431.5M 1.11% 1,318,113 SH
17 CATERPILLAR INC CAT 149123101 $340.8M 0.87% 320,025 SH
18 JOHNSON & JOHNSON JNJ 478160104 $317.3M 0.81% 1,249,228 SH
19 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $310.0M 0.80% 619,590 SH
20 VISA INC V 92826C839 $308.7M 0.79% 899,673 SH
21 WELLTOWER INC WELL 95040Q104 $301.1M 0.77% 1,326,391 SH
22 INTEL CORP INTC 458140100 $292.5M 0.75% 2,094,705 SH
23 LAM RESEARCH CORP LRCX 512807306 $273.2M 0.70% 630,534 SH
24 APPLIED MATLS INC AMAT 038222105 $267.7M 0.69% 370,282 SH
25 EXXON MOBIL CORP XOM 30231G102 $265.1M 0.68% 1,939,080 SH
26 CISCO SYS INC CSCO 17275R102 $251.5M 0.65% 2,140,956 SH
27 WALMART INC WMT 931142103 $249.0M 0.64% 2,198,582 SH
28 GOLDMAN SACHS GROUP INC GS 38141G104 $244.6M 0.63% 241,898 SH
29 PROLOGIS INC. PLD 74340W103 $243.2M 0.62% 1,795,486 SH
30 UNITEDHEALTH GROUP INC UNH 91324P102 $224.7M 0.58% 540,703 SH
31 COSTCO WHOLESALE CORPORATION COST 22160K105 $212.6M 0.55% 227,281 SH
32 KLA CORP KLAC 482480100 $210.6M 0.54% 698,179 SH
33 ABBVIE INC ABBV 00287Y109 $210.5M 0.54% 836,335 SH
34 MASTERCARD INCORPORATED MA 57636Q104 $203.3M 0.52% 395,840 SH
35 GE AEROSPACE GE 369604301 $201.6M 0.52% 539,411 SH
36 EQUINIX INC EQIX 29444U700 $196.7M 0.50% 188,734 SH
37 HOME DEPOT INC HD 437076102 $184.1M 0.47% 521,980 SH
38 BANK OF AMER CORP BAC 060505104 $182.6M 0.47% 3,204,174 SH
39 MERCK & CO INC MRK 58933Y105 $177.3M 0.46% 1,380,043 SH
40 PROCTER & GAMBLE CO PG 742718109 $168.1M 0.43% 1,146,165 SH
41 COCA COLA CO KO 191216100 $167.0M 0.43% 2,054,854 SH
42 INTERNATIONAL BUSINESS MACHS IBM 459200101 $155.1M 0.40% 551,582 SH
43 ISHARES TR USIG 464288620 $154.0M 0.40% 3,002,847 SH
44 CHEVRON CORPORATION CVX 166764100 $154.0M 0.40% 929,123 SH
45 GE VERNOVA INC GEV 36828A101 $152.6M 0.39% 129,915 SH
46 PHILIP MORRIS INTL INC PM 718172109 $145.8M 0.37% 805,893 SH
47 PALO ALTO NETWORKS INC PANW 697435105 $141.0M 0.36% 413,429 SH
48 NETFLIX INC. NFLX 64110L106 $140.0M 0.36% 1,960,665 SH
49 SIMON PPTY GROUP INC NEW SPG 828806109 $134.9M 0.35% 603,265 SH
50 MORGAN STANLEY MS 617446448 $129.6M 0.33% 619,784 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-28 $38.97B 957 0001193125-26-318819
2026-03-31 2026-05-08 $33.91B 911 0001193125-26-213217
2025-12-31 2026-01-27 $35.97B 939 0001193125-26-023286