BW
Blue Water Life Science Advisors, LP
Sector-focusedContrarianQuality / disciplined sizing
Total reported value
$124.7M
Reporting period: 2026-03-31 · Number of holdings: 10
Blue Water Life Science Advisors, LP disclosed 10 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $124.7M and a quarterly turnover rate of 72.6%.
Personality snowflake
- Concentration
- 50.71
- Portfolio Stability
- 72.65
- Momentum/Contrarian
- 0
- Sector conviction
- 100
- Diversification
- 20
- Sizing Uniformity
- 94.54
Recent moves
Trim NTRA
-68.3% -$23.5M
Add CDNA
+83.3% $6.6M
Trim ADPT
-42.8% -$14.6M
Trim GH
-31.8% -$13.9M
Add TWST
-27.9% $966.8K
Add TEM
+81.0% $2.0M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | TXG | 10x Genomics Inc-class A | Stock-Other | 18.56% | +18.56% | NEW | |
| 2 | GH | Guardant Health INC | Stock-Healthcare | 17.94% | -4.82% | -31.77% | |
| 3 | CDNA | Caredx INC | Stock-Other | 13.02% | +6.99% | +83.33% | |
| 4 | ADPT | Adaptive Biotechnologies | Stock-Other | 11.24% | -6.75% | -42.77% | |
| 5 | TWST | Twist Bioscience CORP | Stock-Other | 10.52% | +2.90% | -27.94% | |
| 6 | PSNL | Personalis INC | Stock-Other | 8.56% | +0.19% | — | |
| 7 | NTRA | Natera INC | Stock-Healthcare | 7.18% | -13.16% | -68.34% | |
| 8 | QTRX | Quanterix CORP | Stock-Other | 6.05% | -2.30% | +2.39% | |
| 9 | TEM | Tempus Ai Inc-cl A | Stock-Healthcare | 5.67% | +2.47% | +81.01% | |
| 10 | BLLN | Billiontoone INC Cl A | Stock-Other | 1.27% | +1.27% | NEW |
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 10 | $124.7M | 73 | |
| 2025-12-31 | 9 | $159.3M | 43 | |
| 2025-09-30 | 7 | $109.6M | 46 | |
| 2025-06-30 | 8 | $126.3M | 0 | |
| 2025-03-31 | 7 | $100.9M | 100 | |
| 2024-12-31 | 9 | $112.9M | 0 | |
| 2024-09-30 | 8 | $113.7M | 0 | |
| 2024-06-30 | 8 | $102.8M | 0 | |
| 2024-03-31 | 8 | $106.3M | 0 | |
| 2023-12-31 | 9 | $114.2M | 0 | |
| 2023-09-30 | 7 | $105.9M | 0 | |
| 2023-06-30 | 7 | $148.2M | 0 | |
| 2023-03-31 | 8 | $151.2M | 0 | |
| 2022-12-31 | 8 | $148.9M | 0 | |
| 2022-09-30 | 9 | $247.8M | 0 | |
| 2022-06-30 | 9 | $184.1M | 0 | |
| 2022-03-31 | 10 | $210.7M | 0 | |
| 2021-12-31 | 13 | $326.9M | 0 | |
| 2021-09-30 | 24 | $307.4M | 0 | |
| 2021-06-30 | 22 | $265.8M | 87 | |
| 2021-03-31 | 24 | $204.7M | 49 | |
| 2020-12-31 | 21 | $170.4M | 0 |
Holding changes this quarter
Blue Water Life Science Advisors, LP's most significant position changes for 2026-03-31: New buy: 10x Genomics Inc-class A (TXG); Sold out: Grail INC (GRAL); New buy: Billiontoone INC Cl A (BLLN); Trim: Natera INC (NTRA) — shares -68.34%; Add: Caredx INC (CDNA) — shares +83.33%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | CDNA | Caredx INC | +7% | +83.33% | Add |
| 2 | TWST | Twist Bioscience CORP | +2.9% | -27.94% | Trim |
| 3 | TEM | Tempus Ai Inc-cl A | +2.5% | +81.01% | Add |
| 4 | PSNL | Personalis INC | +0.2% | — | Unchanged |
| 5 | QTRX | Quanterix CORP | -2.3% | +2.39% | Add |
| 6 | GH | Guardant Health INC | -4.8% | -31.77% | Trim |
| 7 | ADPT | Adaptive Biotechnologies | -6.8% | -42.77% | Trim |
| 8 | NTRA | Natera INC | -13.2% | -68.34% | Trim |
| 9 | TXG | 10x Genomics Inc-class A | — | NEW | New buy |
| 10 | GRAL | Grail INC | — | EXIT | Sold out |
| 11 | BLLN | Billiontoone INC Cl A | — | NEW | New buy |
FAQ
What is Blue Water Life Science Advisors, LP and what type of investor is it?
Blue Water Life Science Advisors, LP is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $124.7M, spread across 10 disclosed positions.
What are Blue Water Life Science Advisors, LP's largest equity positions?
Based on the latest 13F filing, Blue Water Life Science Advisors, LP's top holdings by market value are:
1. 10x Genomics Inc-class A (TXG) — $23.1M (18.6%)
2. Guardant Health INC (GH) — $22.4M (17.9%)
3. Caredx INC (CDNA) — $16.2M (13.0%)
4. Adaptive Biotechnologies (ADPT) — $14.0M (11.2%)
5. Twist Bioscience CORP (TWST) — $13.1M (10.5%)
What changes did Blue Water Life Science Advisors, LP make in its most recent portfolio filing?
In the latest reported quarter, Blue Water Life Science Advisors, LP made 10 notable position adjustments: 2 new positions were initiated, 3 existing holdings were added to, 4 positions were partially reduced, and 1 were completely exited. The largest of these moves: New buy: 10x Genomics Inc-class A (TXG); Sold out: Grail INC (GRAL); New buy: Billiontoone INC Cl A (BLLN); Trim: Natera INC (NTRA) — shares -68.34%; Add: Caredx INC (CDNA) — shares +83.33%
What sectors does Blue Water Life Science Advisors, LP focus on?
Blue Water Life Science Advisors, LP is concentrated in the following sectors based on its current disclosed equity portfolio:
• Health Care: 100.0%