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13F holdings · Q2 2026

Blue Water Life Science Advisors

Larkspur, CA · files as Blue Water Life Science Advisors, LP
Holdings as of Jun 30, 2026Filed Aug 14, 2026Next filing due Nov 16, 2026CIK 1789778

Blue Water Life Science Advisors reported 9 stocks worth $159M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are CDNA (21.4%), TXG (15.5%) and PSNL (14.2%). Compared with Q1 2026, the fund added to CDNA, QTRX and BLLN, trimmed TXG, GH and NTRA and sold out of TWST.

Reported value$159M+27.3% vs last quarter
Stocks held90 new · 1 sold out
Top 5 weight75.5%very concentrated
Turnover47%of the portfolio changed
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Holdings

#StockValueWeightSharesChangeShares, 8 qtrsHeld
1
CDNA
Caredx Inc
$33.9M21.4%1.2M+255K (+27%)8 of 8
2
TXG
10X Genomics Inc
$24.6M15.5%642K−448K (−41%)3 of 8
3
PSNL
Personalis Inc
$22.5M14.2%1.7MNo change8 of 8
4
ADPT
Adaptive Biotechnologies Cor
$21.7M13.7%1MNo change8 of 8
5
GH
Guardant Health Inc
$17.2M10.8%115K−128K (−53%)8 of 8
6
QTRX
Quanterix Corp
$15M9.4%3.5M+1.3M (+62%)8 of 8
7
NTRA
Natera Inc
$9.4M5.9%34K−10K (−23%)8 of 8
8
BLLN
Billiontoone Inc
$8.4M5.3%70K+50K (+250%)2 of 8
9
TEM
Tempus AI Inc
$6.1M3.9%105K−51K (−33%)5 of 8

Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.

Sold out

held in Q1 2026, gone in Q2 2026
StockValue last quarterShares sold
TWST
Twist Bioscience Corp
$13.1M276K

Reported value

last 8 quarters
$114MQ3 '24
$113MQ4 '24
$101MQ1 '25
$126MQ2 '25
$110MQ3 '25
$159MQ4 '25
$125MQ1 '26
$159MQ2 '26

The value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.

Filings for Q2 2026

straight from the SEC
FiledFormQuarter
Aug 14, 202613F-HRQ2 2026SEC filing ↗

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Blue Water Life Science Advisors 13F FAQ

What does Blue Water Life Science Advisors own?

Blue Water Life Science Advisors reported 9 stocks worth $159M in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are CDNA (21.4%), TXG (15.5%) and PSNL (14.2%). The table above lists every position in the filing (the top 10 without an account).

What did Blue Water Life Science Advisors buy and sell in Q2 2026?

Compared with Q1 2026: 0 new positions, 3 added to, 4 trimmed and 1 sold out. It sold all of TWST.

When will Blue Water Life Science Advisors file its next 13F?

Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.

How much is Blue Water Life Science Advisors's portfolio worth?

The Q2 2026 filing reports $159M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.