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13F holdings

Asset Management One Co., Ltd. portfolio

Managed by . 911 reported positions worth $33.9B as of 2026-03-31, filed with the SEC on 2026-05-08. Parsed from the filing itself, not a reseller.

$33.9B
Book value
911
Positions
33%
Top 10 weight
+37
New this quarter
-65
Exited
134 days
Age today
How old this actually is

Every position on this page is a snapshot of 2026-03-31. It was already 38 days old on 2026-05-08, the day it first became public. Today it is 134 days old.

That lag is the law, not a service level — Rule 13f-1 gives managers 45 days after quarter end to file, and no product can shorten it. A fund can have sold every share below before you read this sentence. Treat it as a record of what happened, never as a position you can follow.

What changed

Positions opened and closed

Against its 2025-12-31 filing. This is the part worth reading — the holdings table below is mostly years old.

New positions (37)
TickerIssuerValueShares% of book
LITELUMENTUM HLDGS INC$20.6M29,3730.06%
COHRCOHERENT CORP$15.7M66,1150.05%
CWCURTISS WRIGHT CORP$10.7M15,6850.03%
CASYCASEYS GEN STORES INC$10.1M13,8330.03%
AMCRAMCOR PLC$9.6M241,6290.03%
NPKINPK INTERNATIONAL INC$7.3M505,5200.02%
CDECOEUR MNG INC$7.1M378,0840.02%
RVMDREVOLUTION MEDICINES INC$5.4M55,8160.02%
PNFPPINNACLE FINL PARTNERS INC$4.7M54,0060.01%
IRENIREN LIMITED$4.2M122,6830.01%
KGSKODIAK GAS SVCS INC$3.0M50,7560.01%
MWHSOLV ENERGY INC$2.8M93,5890.01%
FTKFLOTEK INDUSTRIES INC$2.4M140,2980.01%
ASTEASTEC INDS INC$1.9M36,1610.01%
MEDPMEDPACE HLDGS INC$1.9M3,9600.01%
TTMITTM TECHNOLOGIES INC$1.6M17,1460.00%
MTRNMATERION CORP$1.6M11,4290.00%
EQPTEQUIPMENTSHARE COM INC$1.6M80,3770.00%
KRMNKARMAN HLDGS INC$1.6M19,4670.00%
MIRMIRION TECHNOLOGIES INC$1.0M55,7230.00%
ASCENDIS PHARMA A/SASCENDIS PHARMA A/S$870,3183,8050.00%
XLUSELECT SECTOR SPDR TR$869,61618,9500.00%
EIDOISHARES TR$835,44952,9100.00%
XLRESELECT SECTOR SPDR TR$668,59116,3750.00%
SYMSYMBOTIC INC$642,12412,0700.00%
Closed out (65)
TickerIssuerWas worthShares% of book
EMBISHARES TR$17.7M183,3810.00%
CYBRCYBERARK SOFTWARE LTD$11.7M26,0260.00%
AMCRAMCOR PLC$8.6M1,019,5030.00%
DTDYNATRACE INC$6.1M138,7290.00%
DOCUDOCUSIGN INC$5.4M77,0940.00%
NTNXNUTANIX INC$4.9M93,0160.00%
BAHBOOZ ALLEN HAMILTON HLDG COR$4.2M49,0070.00%
MAKEMYTRIP LIMITED MAURIMAKEMYTRIP LIMITED MAURITIUS$4.2M50,5340.00%
ALEXALEXANDER & BALDWIN INC NEW$4.0M192,4790.00%
WTRGESSENTIAL UTILS INC$4.0M102,7220.00%
MGRCMCGRATH RENTCORP$3.4M32,3050.00%
PAYCPAYCOM SOFTWARE INC$3.4M21,2560.00%
BSYBENTLEY SYS INC$2.3M59,7890.00%
ELMEELME COMMUNITIES$2.1M122,8310.00%
WIXWIX COM LTD$2.0M19,2290.00%
HALOHALOZYME THERAPEUTICS INC$1.7M24,8440.00%
SNXTD SYNNEX CORPORATION$1.6M10,3870.00%
PRIMPRIMORIS SVCS CORP$1.5M12,1600.00%
MANHMANHATTAN ASSOCIATES INC$1.5M8,7230.00%
RBRKRUBRIK INC.$1.5M19,6340.00%
PRMPERIMETER SOLUTIONS INC$1.4M48,9590.00%
GLBEGLOBAL E ONLINE LTD$1.4M33,9520.00%
PLYMPLYMOUTH INDL REIT INC$1.3M59,5700.00%
CRSPCRISPR THERAPEUTICS AG$1.2M22,1320.00%
AIVAPARTMENT INVT & MGMT CO$1.1M180,8900.00%
Added to (216)
TickerIssuerValueShares% of bookShares Δ
METAMETA PLATFORMS INC$613.3M1,071,8851.81%+1%
IEMGISHARES INC$501.1M7,184,4161.48%+2%
EXMOCEXXON MOBIL CORP$331.0M1,950,6720.98%+2%
WMTWALMART INC$272.8M2,195,3190.80%+2%
CATCATERPILLAR INC$226.4M319,5170.67%+10%
CVXCHEVRON CORPORATION$196.6M949,9890.58%+2%
HDHOME DEPOT INC$179.7M546,3050.53%+3%
MRKMERCK & CO INC$173.4M1,441,3060.51%+7%
LRCXLAM RESEARCH CORP$142.9M668,7130.42%+2%
USIGISHARES TR$141.8M2,767,0240.42%+17%
GEVGE VERNOVA INC$119.7M137,1400.35%+2%
RTXRTX CORPORATION$115.1M596,5580.34%+7%
VZVERIZON COMMUNICATIONS INC$111.1M2,213,7710.33%+7%
MBBISHARES TR$109.6M1,154,2120.32%+14%
PEPPEPSICO INC$105.4M678,8130.31%+6%
Trimmed (451)
TickerIssuerValueShares% of bookShares Δ
GWREGUIDEWIRE SOFTWARE INC$45,0183010.00%-97%
SEICSEI INVTS CO$47,2396020.00%-96%
SJMSMUCKER J M CO$509,5895,2840.00%-93%
BAXBAXTER INTL INC$317,90618,9230.00%-91%
BF/BBROWN FORMAN CORP$195,9207,4100.00%-91%
AFGAMERICAN FINANCIAL GROUP INC$581,8474,5560.00%-86%
QFINQFIN HOLDINGS INC$45,5083,5250.00%-85%
AKAMAKAMAI TECHNOLOGIES INC$757,8956,5990.00%-74%
ROKUROKU INC$842,1188,9000.00%-73%
BEKEKE HLDGS INC$42,0062,8060.00%-69%
TMETENCENT MUSIC ENTMT GROUP$1.7M178,2970.00%-65%
SRADSPORTRADAR GROUP AG$771,86546,1090.00%-63%
PODDINSULET CORP$6.2M29,4140.02%-62%
PAXPATRIA INVESTMENTS LIMITED$108,4618,6080.00%-59%
NXSTNEXSTAR MEDIA GROUP INC$308,8581,7080.00%-56%
The book

Largest 150 of 911 holdings

TickerIssuerValueShares% of bookShares Δ
IVVISHARES TR$2.1B3,225,8106.21%
NVDANVIDIA CORPORATION$1.9B11,091,7765.70%
AAPLAPPLE INC$1.7B6,575,2534.92%
MSFTMICROSOFT CORP$1.2B3,357,5093.67%
AMZNAMAZON COM INC$956.8M4,593,9692.82%
GOOGLALPHABET INC$795.8M2,767,5162.35%
AVGOBROADCOM INC$670.6M2,166,5351.98%
GOOGALPHABET INC$648.9M2,262,2501.91%
METAMETA PLATFORMS INC$613.3M1,071,8851.81%
VGKVANGUARD INTL EQUITY INDEX F$520.8M6,318,3051.54%
IEMGISHARES INC$501.1M7,184,4161.48%
TSLATESLA INC$479.8M1,290,5861.41%
JPMJPMORGAN CHASE & CO$391.8M1,331,7941.16%
LLYELI LILLY & CO$342.3M372,2091.01%
EXMOCEXXON MOBIL CORP$331.0M1,950,6720.98%
JNJJOHNSON & JOHNSON$305.3M1,249,1540.90%
BRK/BBERKSHIRE HATHAWAY INC DEL$283.9M592,3930.84%
VVISA INC$275.1M910,2190.81%
WMTWALMART INC$272.8M2,195,3190.80%
WELLWELLTOWER INC$257.0M1,299,9580.76%
PLDPROLOGIS INC.$237.9M1,799,7050.70%
CATCATERPILLAR INC$226.4M319,5170.67%
COSTCOSTCO WHOLESALE CORPORATION$225.4M226,2440.66%
GSGOLDMAN SACHS GROUP INC$208.3M246,2500.61%
MAMASTERCARD INCORPORATED$201.9M404,0820.60%
CVXCHEVRON CORPORATION$196.6M949,9890.58%
ABBVABBVIE INC$191.4M880,0260.56%
NFLXNETFLIX INC.$188.8M1,963,2930.56%
EQIXEQUINIX INC$183.5M187,1940.54%
HDHOME DEPOT INC$179.7M546,3050.53%
MRKMERCK & CO INC$173.4M1,441,3060.51%
MUMICRON TECHNOLOGY INC$171.3M506,9030.51%
KOCOCA COLA CO$166.1M2,184,2790.49%
PGPROCTER & GAMBLE CO$166.0M1,149,4690.49%
CSCOCISCO SYS INC$161.4M2,080,1560.48%
BACBANK AMERICA CORP$160.8M3,297,6640.47%
PMPHILIP MORRIS INTL INC$149.6M904,8080.44%
AMDADVANCED MICRO DEVICES INC$149.4M734,4390.44%
LRCXLAM RESEARCH CORP$142.9M668,7130.42%
USIGISHARES TR$141.8M2,767,0240.42%
PLTRPALANTIR TECHNOLOGIES INC$141.4M966,9420.42%
GEGE AEROSPACE$137.9M486,0530.41%
GLDMWORLD GOLD TR$137.8M1,486,5950.41%
UNHUNITEDHEALTH GROUP INC$133.8M494,6490.39%
MCDMCDONALDS CORP$130.7M420,6730.39%
IBMINTERNATIONAL BUSINESS MACHS$130.6M538,9580.39%
AMGNAMGEN INC$120.6M342,7490.36%
GEVGE VERNOVA INC$119.7M137,1400.35%
AMATAPPLIED MATLS INC$116.2M339,8410.34%
RTXRTX CORPORATION$115.1M596,5580.34%
DLRDIGITAL RLTY TR INC$115.0M638,2670.34%
SPGSIMON PPTY GROUP INC NEW$112.0M600,5750.33%
ORCLORACLE CORP$111.5M758,2030.33%
AXPAMERICAN EXPRESS CO$111.4M368,4180.33%
VZVERIZON COMMUNICATIONS INC$111.1M2,213,7710.33%
MBBISHARES TR$109.6M1,154,2120.32%
OREALTY INCOME CORP$108.3M1,770,1660.32%
KLACKLA CORP$108.2M73,4990.32%
CCITIGROUP INC$107.5M948,1350.32%
EWCISHARES INC$105.6M1,927,7680.31%
PEPPEPSICO INC$105.4M678,8130.31%
WFCWELLS FARGO & CO$104.9M1,317,4090.31%
MSMORGAN STANLEY$104.4M634,3280.31%
LINLINDE PLC$104.2M210,2790.31%
SPHYSPDR SERIES TRUST$103.2M4,425,6200.30%
GILDGILEAD SCIENCES INC$102.5M735,6490.30%
CRMSALESFORCE INC$101.9M546,1240.30%
TAT&T INC$101.0M3,482,7120.30%
TJXTJX COS INC NEW$100.9M631,9350.30%
TMOTHERMO FISHER SCIENTIFIC INC$100.1M203,7190.30%
NEENEXTERA ENERGY INC$99.9M1,075,6320.29%
ISRGINTUITIVE SURGICAL INC$90.5M196,2150.27%
INTCINTEL CORP$88.9M2,015,0230.26%
HONGBPHONEYWELL INTL INC$86.3M381,7700.25%
ABTABBOTT LABORATORIES$86.2M840,0370.25%
BABOEING CO$86.1M432,4750.25%
EMLCVANECK ETF TRUST$84.0M3,343,2950.25%
DISDISNEY WALT CO$83.3M864,3030.25%
EPPISHARES INC$80.8M1,519,5760.24%
TXNTEXAS INSTRS INC$80.5M414,5320.24%
PSAPUBLIC STORAGE OPER CO$80.0M295,4000.24%
COPCONOCOPHILLIPS$74.6M565,2530.22%
VTRVENTAS INC$74.0M904,5090.22%
ANETARISTA NETWORKS INC$73.4M597,4160.22%
APHAMPHENOL CORP$73.3M580,1150.22%
PFEPFIZER INC$72.7M2,590,7400.21%
SHWSHERWIN WILLIAMS CO$71.9M224,4440.21%
ADIANALOG DEVICES INC$70.2M220,6470.21%
SCHWSCHWAB CHARLES CORP$68.6M729,7030.20%
NEMNEWMONT CORP$68.4M631,7550.20%
DEDEERE & CO$68.2M121,1390.20%
PANWPALO ALTO NETWORKS INC$67.6M421,5510.20%
IAUMISHARES GOLD TR$66.7M1,427,6920.20%
UBERUBER TECHNOLOGIES INC$66.2M919,8100.20%
BKNGBOOKING HOLDINGS INC$64.4M15,2840.19%
VRTXVERTEX PHARMACEUTICALS INC$63.4M141,9490.19%
SPGIS&P GLOBAL INC$63.4M148,9850.19%
QCOMQUALCOMM INC$61.9M480,3330.18%
ETNEATON CORP PLC$60.3M168,6050.18%
BLKBLACKROCK INC$60.3M62,6720.18%
UNPUNION PAC CORP$60.1M247,5550.18%
CBCHUBB LTD SWITZ$58.3M179,0230.17%
TRVTRAVELERS COMPANIES INC$56.9M195,0580.17%
MOALTRIA GROUP INC$56.6M857,7750.17%
DHRDANAHER CORP DEL$56.5M298,2260.17%
BMYBRISTOL-MYERS SQUIBB CO$56.5M930,8220.17%
IRMIRON MTN INC DEL$55.9M547,4740.16%
VICIVICI PPTYS INC$55.3M2,025,2580.16%
LOWLOWES COS INC$55.0M232,9050.16%
ACNACCENTURE PLC IRELAND$54.3M273,8140.16%
CMECME GROUP INC$54.3M183,6870.16%
ROYAL CARIBBEAN GROUPROYAL CARIBBEAN GROUP$54.1M196,7110.16%
INTUINTUIT$52.9M122,4230.16%
CRWDCROWDSTRIKE HLDGS INC$52.4M134,2130.15%
LMTLOCKHEED MARTIN CORP$52.0M86,0300.15%
TMUST-MOBILE US INC$51.9M247,0680.15%
SBUXSTARBUCKS CORP$51.7M577,2650.15%
EXREXTRA SPACE STORAGE INC$50.9M388,3490.15%
MDTMEDTRONIC PLC$50.8M586,2090.15%
NOWSERVICENOW INC$50.8M485,7170.15%
GLWCORNING INC$50.6M372,1890.15%
PGRPROGRESSIVE CORP$50.1M252,6170.15%
SOSOUTHERN CO$50.0M518,2680.15%
COFCAPITAL ONE FINL CORP$49.9M273,6720.15%
TSMTAIWAN SEMICONDUCTOR MANUFAC$49.3M146,0170.15%
BSXBOSTON SCIENTIFIC CORP$48.8M778,3760.14%
SYKSTRYKER CORPORATION$48.6M148,0350.14%
MCKMCKESSON CORP$48.6M56,1150.14%
DUKDUKE ENERGY CORP NEW$48.5M370,5400.14%
PHPARKER-HANNIFIN CORP$47.3M52,8220.14%
PWRQUANTA SVCS INC$47.0M85,5800.14%
HWMHOWMET AEROSPACE INC$46.3M200,7890.14%
ADBEADOBE INC$46.0M189,4050.14%
MMM3M CO$45.8M315,3870.14%
NOCNORTHROP GRUMMAN CORP$45.8M67,0710.13%
NETCLOUDFLARE INC$45.8M221,7370.13%
VRTVERTIV HOLDINGS CO$45.1M179,8850.13%
TTTRANE TECHNOLOGIES PLC$44.7M107,2510.13%
AVBAVALONBAY CMNTYS INC$44.7M273,6120.13%
CMCSACOMCAST CORP NEW$44.5M1,549,8510.13%
FIXCOMFORT SYS USA INC$44.3M32,1480.13%
CORCENCORA INC$44.2M140,6270.13%
WMWASTE MGMT INC DEL$43.4M188,9060.13%
MELIMERCADOLIBRE INC$40.8M23,6120.12%
MSIMOTOROLA SOLUTIONS INC$40.8M93,9290.12%
GMGENERAL MTRS CO$40.5M543,4290.12%
VOOVANGUARD INDEX FDS$40.3M67,4840.12%
WDCWESTERN DIGITAL CORP$40.1M148,3450.12%
CVSCVS HEALTH CORP$39.9M556,1250.12%
EQREQUITY RESIDENTIAL$39.7M670,9140.12%

This table is the 150 largest positions by value, out of 911 reported. The search box only searches what is on this page — a name absent from it may still be in the filing further down the book. The full info table is here.

Rows are aggregated by CUSIP — a manager files the same security multiple times when different internal desks hold it. Tickers link to our own backtest of that asset where we cover it.

Read the original

This page was built from one document: the 2026-03-31 Form 13F info table filed by Asset Management One Co., Ltd. (CIK 1068855, accession 0001193125-26-213217). Every other 13F site is reading the same file.

If anything here disagrees with it, the filing wins — and we would want to know. All 13F filings by this manager

What a 13F cannot show you

A 13F is a long-only equity snapshot, and the holes in it are structural. Anyone selling you this data as "what the smart money is doing" is selling you one leg of a position:

  • No short positions. None, ever. A fund shown here as bullish may be net short the same name through a book you cannot see.
  • No cash, bonds, FX, commodities or non-US listings. A macro fund's entire thesis can be invisible.
  • No intra-quarter round trips. Bought and sold inside the same quarter means it never appears at all.
  • Options are notional, not ownership. We keep puts and calls in a separate bucket rather than adding their notional into a fund's book size, which is how a $2B fund gets reported as a $20B one.
  • Confidential treatment. Managers can ask the SEC to withhold a position while they build it. Those holdings are legally absent from the filing, so a "new" position may be months old.

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