Blue Water Life Science Advisors, LP

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), Blue Water Life Science Advisors, LP reported 8 stock positions worth $113.7 million. Its top holding was Natera (NTRA) at 32.5% of the portfolio, followed by Caredx (CDNA, 16.6%) and Exact Sciences (EXAS, 15.3%). Compared with Q2 2024, it opened 2 new positions, sold out of 2, added to 2 and reduced 3. The biggest buy was Exact Sciences (EXAS, shares +345%) and the biggest sale Natera (NTRA, shares −42%).

Most Recent 13F
Q2 2026
Location
LARKSPUR, CA
CIK
0001789778
Portfolio Value
$113.7M (Q3 2024)
SEC Filing
0001420506-24-002535 ↗ filed Nov 14, 2024

Holdings Value

0$50.0M$100.0M$150.0M$200.0M Q1 2024: $106.3M Q1 2024 Q2 2024: $102.8M Q2 2024 Q3 2024: $113.7M $113.7M Q3 2024 Q4 2024: $112.9M Q4 2024 Q1 2025: $100.9M Q1 2025 Q2 2025: $126.3M Q2 2025 Q3 2025: $109.6M Q3 2025 Q4 2025: $159.3M Q4 2025 Q1 2026: $124.7M Q1 2026 Q2 2026: $158.8M Q2 2026

Holdings 8 stocks · $113.7M
NTRA Natera Inc. 32.50% 291,094 $37.0M Reduce -42.1%
CDNA Caredx Inc. 16.59% 604,000 $18.9M Add +18.4%
EXAS Exact Sciences Corp. 15.29% 255,243 $17.4M Add +345.1%
AKYA Akoya Biosciences Inc. 11.24% 4,697,785 $12.8M No change
ADPT Adaptive Biotechnologies 9.66% 2,145,145 $11.0M New
GH Guardant Health Inc. 9.10% 451,047 $10.3M Reduce -21.0%
PSNL Personalis Inc. 4.73% 1,000,000 $5.4M New
QTRX Quanterix Corp. 0.89% 78,393 $1.0M Reduce -71.8%

Portfolio Sells Q2 2024 → Q3 2024
NTRA Natera Inc. Reduce -42.1% 32.50% −20.48
GH Guardant Health Inc. Reduce -21.0% 9.10% −6.94
TXG 10X Genomics Inc. Class A Sold out 0.00% −4.35
QTRX Quanterix Corp. Reduce -71.8% 0.89% −2.68
MXCT Maxcyte Inc. Sold out 0.00% −2.30

Portfolio Buys Q2 2024 → Q3 2024
EXAS Exact Sciences Corp. Add +345.1% 15.29% +12.94
ADPT Adaptive Biotechnologies New 9.66% +9.66
CDNA Caredx Inc. Add +18.4% 16.59% +8.88
PSNL Personalis Inc. New 4.73% +4.73

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 9$158.8MCDNA, TXG, PSNL, ADPT, GH
Q1 2026 10$124.7MTXG, GH, CDNA, ADPT, TWST
Q4 2025 9$159.3MGH, NTRA, ADPT, PSNL, QTRX
Q3 2025 7$109.6MADPT, GH, NTRA, PSNL, CDNA
Q2 2025 8$126.3MNTRA, ADPT, GH, CDNA, TXG
Q1 2025 7$100.9MGH, NTRA, ADPT, CDNA, AKYA
Q4 2024 9$112.9MNTRA, GH, CDNA, ADPT, AKYA
Q3 2024 8$113.7MNTRA, CDNA, EXAS, AKYA, ADPT
Q2 2024 8$102.8MNTRA, GH, AKYA, CDNA, TXG
Q1 2024 8$106.3MNTRA, AKYA, GH, TXG, QTRX