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Livermore
Livermore
ZHEN

Mizuho Securities Co. Ltd.

SEC CIK
0001520309
Latest filing
May 7, 2026

The latest 13F from Mizuho Securities Co. Ltd. covers Q1 2026 (filed May 7, 2026): 16 long positions worth $7.68M. The top 10 holdings make up 99.0% of the portfolio, and the largest is Trip.com Group Ltd (TCOM) at 64.0%. Livermore has 22 filings on Form 13F from this institution, going back to Q1 2021.

What changed in Q1 2026

Share counts compared with Q4 2025: how many positions were new, added to, reduced or sold out, and the biggest buys and sells. Dollar amounts are estimated at the quarter-end prices implied by the filing.

Full comparison
New
7
Est. +$197.6K
Added
3
Est. +$1.77M
Reduced
1
Est. −$10.9K
Sold out
5
Est. −$88.5K

Top 5 holdings

Share of this quarter's portfolio value

  1. TCOMTrip.com Group Ltd
    64.0%$4.92MHistory
  2. BILIBilibili Inc.
    21.8%$1.67MHistory
  3. BABAAlibaba Group Holding Ltd
    4.5%$345.0KHistory
  4. JDJD.com, Inc.
    3.5%$269.1KHistory
  5. NVDANVIDIA Corp
    2.0%$155.2KHistory

Biggest buys

New and added positions, by estimated amount bought

  1. TCOMTrip.com Group Ltd
    +$1.59MAddedHistory
  2. NVDANVIDIA Corp
    +$153.5KAddedHistory
  3. IAUiShares Gold Trust
    +$73.2KNewHistory
  4. MAMastercard Inc
    +$40.0KNewHistory
  5. MSFTMicrosoft Corp
    +$27.8KAddedHistory

Largest weight increases

New and added positions, by percentage points of the portfolio gained

  1. NVDANVIDIA Corp
    +2.00 pp<0.1% → 2.0%History
  2. IAUiShares Gold Trust
    +0.95 pp0.0% → 1.0%History
  3. MAMastercard Inc
    +0.52 pp0.0% → 0.5%History
  4. MSFTMicrosoft Corp
    +0.34 pp0.1% → 0.4%History
  5. AMZNAmazon Com Inc
    +0.30 pp0.0% → 0.3%History

Biggest sells

Reduced and sold-out positions, by estimated amount sold

  1. CATCaterpillar Inc
    −$51.6KSold outHistory
  2. PYPLPayPal Holdings, Inc.
    −$17.8KSold outHistory
  3. GOOGLAlphabet Inc.
    −$10.9KReducedHistory
  4. ISRGIntuitive Surgical Inc
    −$7.36KSold outHistory
  5. ORCLOracle Corp
    −$6.82KSold outHistory

Largest weight decreases

Reduced and sold-out positions, by percentage points of the portfolio lost

  1. CATCaterpillar Inc
    −0.69 pp0.7% → 0.0%History
  2. PYPLPayPal Holdings, Inc.
    −0.24 pp0.2% → 0.0%History
  3. GOOGLAlphabet Inc.
    −0.18 pp0.3% → 0.1%History
  4. ISRGIntuitive Surgical Inc
    −0.10 pp0.1% → 0.0%History
  5. ORCLOracle Corp
    −0.09 pp0.1% → 0.0%History

Metrics

13F metrics for Q1 2026, computed only from the numbers in the filings. Definitions below.

Portfolio value
$7.68M
+$196.2K (+2.6%) vs. prior quarter
Positions
16
+2 vs. prior quarter
Top 10 concentration
99.0%
Top 10 as share of value
Turnover
1.3%
Q1 2026, one quarter
Average holding period
3.7 quarters
Weighted by value

How these are calculated

  • Portfolio value: the market value of all long positions in the 13F, as reported at quarter end, excluding options.
  • Top 10 concentration: the combined value of the 10 largest positions as a share of portfolio value.
  • Turnover: the smaller of this quarter's estimated purchases and estimated sales, divided by the average of this and last quarter's portfolio value. Estimates multiply the change in shares by the quarter-end price implied by the filing (market value divided by shares); new positions use this quarter's value and sold-out positions last quarter's. Only positions reported in shares count, and it is not calculated when the previous quarter was not filed.
  • Average holding period: how many consecutive quarters each current position has been held (including this one; a quarter without the position or without a filing starts the count over), weighted by this quarter's value. Counting starts with the first 13F in Livermore (Q1 2021), so positions held before then are understated.

13F filings by quarter

21 quarters, going back to Q1 2021. Bars show each quarter's 13F portfolio value; quarters without a filing are left blank.

Peak $523.3M (Q2 2021)

Q1 2021: $482.9MQ2 2021: $523.3MQ3 2021: $344.2MQ4 2021: $277.9MQ1 2022: $459.9MQ2 2022: $471.0MQ3 2022: $295.2MQ4 2022: $36.0MQ1 2023: $32.1MQ2 2023: $44.4MQ3 2023: $21.4MQ4 2023: $27.9MQ1 2024: $18.2MQ2 2024: $43.0MQ3 2024: $40.6MQ4 2024: $6.62MQ1 2025: $8.43MQ2 2025: $27.7MQ3 2025: $14.6MQ4 2025: $7.48MQ1 2026: $7.68M
Q1 2021Q1 2026
13F filings of Mizuho Securities Co. Ltd. by quarter
QuarterFiledPositionsValueTop 3 holdingsChangesFiling
Q1 2026May 7, 202616$7.68MTCOMBILIBABAvs. Q4 2025SEC
Q4 2025Jan 30, 202614$7.48MTCOMBILIBABAvs. Q3 2025SEC
Q3 2025Oct 30, 202543$14.6MTCOMBILIVRTvs. Q2 2025SEC
Q2 2025Aug 12, 202549$27.7MNVDAMUARMvs. Q1 2025SEC
Q1 2025Apr 22, 202550$8.43MTSLANVDATSMvs. Q4 2024SEC
Q4 2024Feb 12, 202545$6.62MAAPLCHTASXvs. Q3 2024SEC
Q3 2024Nov 6, 202478$40.6MNVDACRWDTSLAvs. Q2 2024SEC
Q2 2024Aug 1, 202482$43.0MNVDAMUPANWvs. Q1 2024SEC
Q1 2024May 2, 202458$18.2MLLYNOWAVGOvs. Q4 2023SEC
Q4 2023Feb 2, 202474$27.9MAMDAMZNARMvs. Q3 2023SEC
Q3 2023Nov 1, 202366$21.4MMETANVDAAMZNvs. Q2 2023SEC
Q2 2023Aug 1, 202378$44.4MMETAAMZNUBERvs. Q1 2023SEC
Q1 2023Apr 25, 202372$32.1MNVDAMETAAAPLvs. Q4 2022SEC
Q4 2022Feb 7, 202387$36.0MTSMMETAXYZvs. Q3 2022SEC
Q3 2022Nov 2, 2022Amended207$295.2MDirexion Shs ETF TrSPYInvesco QQQ Trust Series Ivs. Q2 2022SEC
Q2 2022Jul 21, 2022203$471.0MDirexion Shs ETF TrInvesco QQQ Trust Series ISPYvs. Q1 2022SEC
Q1 2022Apr 15, 2022203$459.9MBABADirexion Shs ETF TrTSMvs. Q4 2021SEC
Q4 2021Feb 4, 2022201$277.9MBABASEDirexion Shs ETF Trvs. Q3 2021SEC
Q3 2021Nov 5, 2021194$344.2MBABATSLASEvs. Q2 2021SEC
Q2 2021Aug 5, 2021206$523.3MBABACCCCXYZvs. Q1 2021SEC
Q1 2021May 14, 2021192$482.9MBABACCCCJD–SEC