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Blue Water Life Science Advisors, LP

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13F filer, CIK 1789778, LARKSPUR, CA

Blue Water Life Science Advisors, LP reported $158,751,868 across 9 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001420506-26-001647

Period
2026-06-30
Reported value
$159M
Holdings
9
Top 10 weight
100%
New
0
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
CDNAadded+255,000$7.27M
BLLNadded+50,000$6M
QTRXadded+1,332,055$5.75M

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
GHreduced-127,500-$19.1M
TXGreduced-448,000-$17.2M
TWSTexited-276,000-$13.1M
TEMreduced-51,000-$2.95M
NTRAreduced-10,300-$2.8M

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, Q2 2026

Share positions as resolved from 13F-HR 0001420506-26-001647, largest first. % of portfolio is the value over $158,751,868, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
CDNACAREDX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 604,000 shares; 2024Q4: 604,000 shares; 2025Q1: 724,014 shares; 2025Q2: 724,014 shares; 2025Q3: 510,000 shares; 2025Q4: 510,000 shares; 2026Q1: 935,000 shares; 2026Q2: 1,190,000 shares 1,190,000$33.9M21.36%+255,000Timeline
TXG10X GENOMICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 1,100,720 shares; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 1,090,000 shares; 2026Q2: 642,000 shares 642,000$24.6M15.5%-448,000Timeline
PSNLPERSONALIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 1,000,000 shares; 2024Q4: 1,132,900 shares; 2025Q1: 1,175,400 shares; 2025Q2: 1,676,300 shares; 2025Q3: 1,676,300 shares; 2025Q4: 1,676,300 shares; 2026Q1: 1,676,300 shares; 2026Q2: 1,676,300 shares 1,676,300$22.5M14.15%0Timeline
ADPTADAPTIVE BIOTECHNOLOGIES CORQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 2,145,145 shares; 2024Q4: 2,145,145 shares; 2025Q1: 2,145,145 shares; 2025Q2: 2,145,145 shares; 2025Q3: 2,145,145 shares; 2025Q4: 1,765,145 shares; 2026Q1: 1,010,145 shares; 2026Q2: 1,010,145 shares 1,010,145$21.7M13.65%0Timeline
GHGUARDANT HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 451,047 shares; 2024Q4: 694,047 shares; 2025Q1: 694,047 shares; 2025Q2: 439,047 shares; 2025Q3: 405,647 shares; 2025Q4: 355,047 shares; 2026Q1: 242,247 shares; 2026Q2: 114,747 shares 114,747$17.2M10.84%-127,500Timeline
QTRXQUANTERIX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 78,393 shares; 2024Q4: 78,393 shares; 2025Q1: 372,175 shares; 2025Q2: 957,747 shares; 2025Q3: 957,747 shares; 2025Q4: 2,092,147 shares; 2026Q1: 2,142,147 shares; 2026Q2: 3,474,202 shares 3,474,202$15M9.45%+1,332,055Timeline
NTRANATERA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 291,094 shares; 2024Q4: 254,794 shares; 2025Q1: 208,494 shares; 2025Q2: 166,494 shares; 2025Q3: 141,494 shares; 2025Q4: 141,494 shares; 2026Q1: 44,794 shares; 2026Q2: 34,494 shares 34,494$9.36M5.9%-10,300Timeline
BLLNBILLIONTOONE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 20,000 shares; 2026Q2: 70,000 shares 70,000$8.4M5.29%+50,000Timeline
TEMTEMPUS AI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: 90,000 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 72,412 shares; 2025Q4: 86,412 shares; 2026Q1: 156,412 shares; 2026Q2: 105,412 shares 105,412$6.11M3.85%-51,000Timeline

Sold out in Q2 2026

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

SecurityShares beforeValue beforeType
TWSTTWIST BIOSCIENCE CORP276,000$13.1Mshares

How Q2 2026 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 0001420506-26-001647 base2026-08-14acceptance time not in the bulk data set