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Mizuho Securities Co. Ltd.

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13F filer, CIK 1520309, TOKYO, Japan

Mizuho Securities Co. Ltd. reported $14,593,329 across 43 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-10-30. Its ten largest share positions make up 82.83% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001520309-25-000025

Period
2025-09-30
Reported value
$14.6M
Holdings
43
Top 10 weight
82.83%
New
13
Sold out
19

Part of the filer group MIZUHO FINANCIAL GROUP INC

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
TCOMnew+63,365$4.77M
BILIadded+62,106$1.74M
CRWDadded+1,550$760K
UNHnew+1,413$488K
AAPLadded+1,570$400K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
NVDAreduced-43,940-$8.2M
MUreduced-14,230-$2.38M
MSFTreduced-2,900-$1.5M
ARMreduced-9,970-$1.41M
ETNreduced-3,695-$1.38M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0001520309-25-000025, largest first. % of portfolio is the value over $14,593,329, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TCOMTRIP COM GROUP LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 63,365 shares 63,365$4.77M32.65%newTimeline
BILIBILIBILI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 12,100 shares; 2025Q3: 74,206 shares 74,206$2.08M14.28%+62,106Timeline
VRTVERTIV HOLDINGS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 600 shares; 2025Q2: 5,870 shares; 2025Q3: 5,440 shares 5,440$821K5.62%-430Timeline
CRWDCROWDSTRIKE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,130 shares; 2024Q4: 1,000 shares; 2025Q1: 520 shares; 2025Q2: 100 shares; 2025Q3: 1,650 shares 1,650$809K5.54%+1,550Timeline
AAPLAPPLE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 930 shares; 2024Q4: 2,390 shares; 2025Q1: 860 shares; 2025Q2: 1,430 shares; 2025Q3: 3,000 shares 3,000$764K5.23%+1,570Timeline
TSLATESLA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 12,060 shares; 2024Q4: 80 shares; 2025Q1: 4,010 shares; 2025Q2: 2,970 shares; 2025Q3: 1,680 shares 1,680$747K5.12%-1,290Timeline
CRMSALESFORCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,090 shares; 2024Q4: 190 shares; 2025Q1: 40 shares; 2025Q2: 5,620 shares; 2025Q3: 2,480 shares 2,480$588K4.03%-3,140Timeline
NVDANVIDIA CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 44,610 shares; 2024Q4: 1,210 shares; 2025Q1: 7,280 shares; 2025Q2: 46,780 shares; 2025Q3: 2,840 shares 2,840$530K3.63%-43,940Timeline
BABAALIBABA GROUP HLDG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 3,100 shares; 2024Q4: 3,100 shares; 2025Q1: not reported; 2025Q2: 550 shares; 2025Q3: 2,750 shares 2,750$492K3.37%+2,200Timeline
UNHUNITEDHEALTH GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,413 shares 1,413$488K3.34%newTimeline
JDJD.COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 9,100 shares; 2025Q3: 9,100 shares 9,100$318K2.18%0Timeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,040 shares; 2024Q4: 2,340 shares; 2025Q1: 390 shares; 2025Q2: 1,660 shares; 2025Q3: 960 shares 960$233K1.6%-700Timeline
INTCINTEL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 28,900 shares; 2024Q4: not reported; 2025Q1: 1,400 shares; 2025Q2: not reported; 2025Q3: 6,216 shares 6,216$209K1.43%newTimeline
NFLXNETFLIX INC.Quarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10 shares; 2024Q4: 60 shares; 2025Q1: 230 shares; 2025Q2: 220 shares; 2025Q3: 140 shares 140$168K1.15%-80Timeline
ARMARM HOLDINGS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 13,780 shares; 2024Q4: 1,720 shares; 2025Q1: 7,050 shares; 2025Q2: 10,970 shares; 2025Q3: 1,000 shares 1,000$141K0.97%-9,970Timeline
MUMICRON TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,210 shares; 2024Q4: 2,460 shares; 2025Q1: 670 shares; 2025Q2: 15,050 shares; 2025Q3: 820 shares 820$137K0.94%-14,230Timeline
ETNEATON CORP PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 4,060 shares; 2025Q3: 365 shares 365$137K0.94%-3,695Timeline
AMZNAMAZON COM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 5,320 shares; 2024Q4: 380 shares; 2025Q1: 2,760 shares; 2025Q2: 2,930 shares; 2025Q3: 605 shares 605$133K0.91%-2,325Timeline
METAMETA PLATFORMS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,380 shares; 2024Q4: 10 shares; 2025Q1: 710 shares; 2025Q2: 480 shares; 2025Q3: 168 shares 168$123K0.85%-312Timeline
GSGOLDMAN SACHS GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 450 shares; 2025Q1: 330 shares; 2025Q2: 20 shares; 2025Q3: 150 shares 150$119K0.82%+130Timeline
GLWCORNING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,600 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,300 shares 1,300$107K0.73%newTimeline
LILI AUTO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 3,950 shares; 2025Q3: 3,950 shares 3,950$100K0.69%0Timeline
AVGOBROADCOM INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 7,950 shares; 2024Q4: 390 shares; 2025Q1: 170 shares; 2025Q2: 800 shares; 2025Q3: 300 shares 300$99K0.68%-500Timeline
VVISA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 890 shares; 2024Q4: 70 shares; 2025Q1: 50 shares; 2025Q2: 2,010 shares; 2025Q3: 280 shares 280$95.6K0.65%-1,730Timeline
GMGENERAL MTRS COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 500 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,500 shares 1,500$91.5K0.63%newTimeline
PANWPALO ALTO NETWORKS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,770 shares; 2024Q4: 680 shares; 2025Q1: 1,780 shares; 2025Q2: 970 shares; 2025Q3: 300 shares 300$61.1K0.42%-670Timeline
LLYELI LILLY & COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 920 shares; 2024Q4: 10 shares; 2025Q1: 150 shares; 2025Q2: 460 shares; 2025Q3: 80 shares 80$61K0.42%-380Timeline
HDHOME DEPOT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 620 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 150 shares 150$60.8K0.42%newTimeline
XYZBLOCK INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 8,710 shares; 2024Q4: 1,440 shares; 2025Q1: 680 shares; 2025Q2: 1,670 shares; 2025Q3: 610 shares 610$44.1K0.3%-1,060Timeline
MSFTMICROSOFT CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,800 shares; 2024Q4: 420 shares; 2025Q1: 340 shares; 2025Q2: 2,920 shares; 2025Q3: 20 shares 20$10.4K0.07%-2,900Timeline
UBERUBER TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 17,870 shares; 2024Q4: 2,510 shares; 2025Q1: 5,030 shares; 2025Q2: 7,480 shares; 2025Q3: 100 shares 100$9.8K0.07%-7,380Timeline
ITUBITAU UNIBANCO HLDG S AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 657 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,205 shares; 2025Q3: 1,205 shares 1,205$8.85K0.06%0Timeline
KOCOCA COLA COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,330 shares; 2024Q4: 100 shares; 2025Q1: 460 shares; 2025Q2: not reported; 2025Q3: 100 shares 100$6.63K0.05%newTimeline
UMCUNITED MICROELECTRONICS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 29,335 shares; 2024Q4: 53,335 shares; 2025Q1: not reported; 2025Q2: 501 shares; 2025Q3: 782 shares 782$5.93K0.04%+281Timeline
LMTLOCKHEED MARTIN CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 70 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 10 shares 10$4.99K0.03%newTimeline
PYPLPAYPAL HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,020 shares; 2024Q4: 660 shares; 2025Q1: 110 shares; 2025Q2: 670 shares; 2025Q3: 70 shares 70$4.69K0.03%-600Timeline
JNJJOHNSON & JOHNSONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 130 shares; 2025Q2: not reported; 2025Q3: 25 shares 25$4.64K0.03%newTimeline
VALEVALE S AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 400 shares; 2024Q4: not reported; 2025Q1: 100 shares; 2025Q2: 300 shares; 2025Q3: 300 shares 300$3.26K0.02%0Timeline
ORCLORACLE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 260 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 10 shares 10$2.81K0.02%newTimeline
NKENIKE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,220 shares; 2024Q4: not reported; 2025Q1: 120 shares; 2025Q2: not reported; 2025Q3: 30 shares 30$2.09K0.01%newTimeline
PFEPFIZER INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 70 shares 70$1.78K0.01%newTimeline
PGPROCTER & GAMBLE COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 760 shares; 2024Q4: 30 shares; 2025Q1: 200 shares; 2025Q2: 690 shares; 2025Q3: 5 shares 5$7680.01%-685Timeline
AEPAMERICAN ELEC PWR CO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 100 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 5 shares 5$562<0.01%newTimeline

Sold out in Q3 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
BABOEING CO5,280$1.11Mshares
ANETARISTA NETWORKS INC9,840$1.01Mshares
DISDISNEY WALT CO8,080$1Mshares
XPEVXPENG INC34,023$608Kshares
AMDADVANCED MICRO DEVICES INC4,060$576Kshares
WMTWALMART INC2,130$208Kshares
VEEVVEEVA SYS INC500$144Kshares
IAUISHARES GOLD TR2,230$139Kshares
CATCATERPILLAR INC340$132Kshares
COSTCOSTCO WHOLESALE CORPORATION130$129Kshares
GEGE AEROSPACE400$103Kshares
TSMTAIWAN SEMICONDUCTOR MANUFAC350$79.3Kshares
BIDUBAIDU INC500$42.9Kshares
LVSLAS VEGAS SANDS CORP950$41.3Kshares
JPMJPMORGAN CHASE & CO110$31.9Kshares
OXYOCCIDENTAL PETE CORP500$21Kshares
AMATAPPLIED MATLS INC110$20.1Kshares
PBRPETROLEO BRASILEIRO S A200$2.5Kshares
GILDGILEAD SCIENCES INC10$1.11Kshares

How Q3 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001520309-25-000025 base2025-10-30acceptance time not in the bulk data set