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Livermore
Livermore
ZHEN

Longitude (Cayman) Ltd.

SEC CIK
0001664999
Latest filing
Aug 12, 2026

The latest 13F from Longitude (Cayman) Ltd. covers Q2 2026 (filed Aug 12, 2026): 27 long positions worth $151.4M. The top 10 holdings make up 71.3% of the portfolio, and the largest is Advanced Micro Devices Inc (AMD) at 19.2%. Livermore has 19 filings on Form 13F from this institution, going back to Q1 2021.

What changed in Q2 2026

Share counts compared with Q1 2026: 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
3
Est. +$9.99M
Added
14
Est. +$16.1M
Reduced
10
Est. −$31.0M
Sold out
5
Est. −$4.54M

Top 5 holdings

Share of this quarter's portfolio value

  1. AMDAdvanced Micro Devices Inc
    19.2%$29.0MHistory
  2. SOFISoFi Technologies, Inc.
    9.6%$14.5MHistory
  3. IBITiShares Bitcoin Trust ETF
    8.9%$13.4MHistory
  4. TSLATesla, Inc.
    8.5%$12.9MHistory
  5. ARMArm Holdings PLC
    4.8%$7.27MHistory

Biggest buys

New and added positions, by estimated amount bought

  1. Tidal Trust III45259A241
    +$4.84MNew
  2. SPCXSpace Exploration Technologies Corp
    +$4.07MNewHistory
  3. NUNu Holdings Ltd.
    +$3.82MAddedHistory
  4. SOFISoFi Technologies, Inc.
    +$2.91MAddedHistory
  5. IBITiShares Bitcoin Trust ETF
    +$1.90MAddedHistory

Largest weight increases

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

  1. Tidal Trust III45259A241
    +3.20 pp0.0% → 3.2%
  2. SPCXSpace Exploration Technologies Corp
    +2.69 pp0.0% → 2.7%History
  3. NUNu Holdings Ltd.
    +2.46 pp0.2% → 2.7%History
  4. Themes ETF Tr88340W525
    +0.72 pp0.0% → 0.7%
  5. SOFISoFi Technologies, Inc.
    +0.62 pp8.9% → 9.6%History

Biggest sells

Reduced and sold-out positions, by estimated amount sold

  1. AMDAdvanced Micro Devices Inc
    −$15.7MReducedHistory
  2. ARMArm Holdings PLC
    −$12.2MReducedHistory
  3. Tidal Trust I886364231
    −$4.15MSold out
  4. GOOGLAlphabet Inc.
    −$750.5KReducedHistory
  5. AMZNAmazon Com Inc
    −$738.9KReducedHistory

Largest weight decreases

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

  1. Tidal Trust I886364231
    −3.62 pp3.6% → 0.0%
  2. ARMArm Holdings PLC
    −2.46 pp7.3% → 4.8%History
  3. NVDANVIDIA Corp
    −1.23 pp5.7% → 4.5%History
  4. AMZNAmazon Com Inc
    −1.08 pp4.4% → 3.3%History
  5. GOOGLAlphabet Inc.
    −0.76 pp4.4% → 3.7%History

Metrics

13F metrics for Q2 2026, computed only from the numbers in the filings. Definitions below.

Portfolio value
$151.4M
+$36.8M (+32.1%) vs. prior quarter
Positions
27
−2 vs. prior quarter
Top 10 concentration
71.3%
Top 10 as share of value
Turnover
19.6%
Q2 2026, one quarter
Average holding period
2.8 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

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

Peak $172.0M (Q1 2021)

Q1 2021: $172.0MQ2 2021: $152.9MQ3 2021: $128.8MQ4 2021: $122.5MQ1 2022: $91.7MQ2 2022: $49.7MQ3 2022: $45.7MQ4 2022: $36.0MQ1 2023: $50.4MQ2 2023: $65.3MQ3 2023: $55.2MQ4 2023: $62.5MQ1 2024: $68.7MQ2 2024: $63.5MQ3 2024: $69.8MQ4 2024: $87.2MQ4 2025: $115.5MQ1 2026: $114.6MQ2 2026: $151.4M
Q1 2021Q2 2026
13F filings of Longitude (Cayman) Ltd. by quarter
QuarterFiledPositionsValueTop 3 holdingsChangesFiling
Q2 2026Aug 12, 202627$151.4MAMDSOFIIBITvs. Q1 2026SEC
Q1 2026May 5, 202629$114.6MAMDIBITTSLAvs. Q4 2025SEC
Q4 2025Feb 12, 202621$115.5MIBITAMDTSLA–SEC
Q4 2024Jan 29, 202519$87.2MSOFITSLAAMDvs. Q3 2024SEC
Q3 2024Nov 7, 202418$69.8MSOFIPLTRTSLAvs. Q2 2024SEC
Q2 2024Jul 23, 202422$63.5MSOFIPLTRAMDvs. Q1 2024SEC
Q1 2024May 9, 202427$68.7MSOFIMSTRPLTRvs. Q4 2023SEC
Q4 2023Feb 8, 202426$62.5MSOFITSLAPLTRvs. Q3 2023SEC
Q3 2023Nov 8, 202328$55.2MSOFITSLAPLTRvs. Q2 2023SEC
Q2 2023Aug 9, 202330$65.3MSOFITSLAPLTRvs. Q1 2023SEC
Q1 2023May 11, 202334$50.4MSOFITSLAARK Innovation ETFvs. Q4 2022SEC
Q4 2022Feb 6, 202331$36.0MSOFIARK Innovation ETFTSLAvs. Q3 2022SEC
Q3 2022Nov 8, 202241$45.7MSOFIARK Innovation ETFTSLAvs. Q2 2022SEC
Q2 2022Aug 12, 202238$49.7MSOFIARK Innovation ETFTSLAvs. Q1 2022SEC
Q1 2022May 12, 202233$91.7MSOFIARK Innovation ETFAMRNvs. Q4 2021SEC
Q4 2021Feb 3, 202231$122.5MSOFIARK Innovation ETFAMRNvs. Q3 2021SEC
Q3 2021Nov 8, 202129$128.8MSOFIARK Innovation ETFAMRNvs. Q2 2021SEC
Q2 2021Aug 10, 202136$152.9MSOFIARK Innovation ETFTWTRvs. Q1 2021SEC
Q1 2021May 11, 202130$172.0MARK Innovation ETFSocial Capital Hedosopha HLDNNOX–SEC