Blue Water Life Science Advisors, LP: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1789778) · Explore on the interactive board
Blue Water Life Science Advisors, LP disclosed 9 US equity positions worth $158.8m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is CDNA at 21.4% of the reported book, followed by TXG, PSNL. The top ten holdings are 100.0% of the book, and the portfolio behaves like about 7 equal-weight positions. Versus the prior filing it opened 0 new positions, added to 3, reduced 4 and exited 1. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Blue Water Life Science Advisors, LP own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 0 new, 3 added, 4 reduced, 1 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | CDNA CAREDX INC | Healthcare | 21.4% | $33.9m | 1,190,000 | 27% | added |
| 2 | TXG 10X GENOMICS INC | Healthcare | 15.5% | $24.6m | 642,000 | -41% | reduced |
| 3 | PSNL PERSONALIS INC | Healthcare | 14.1% | $22.5m | 1,676,300 | 0% | held |
| 4 | ADPT ADAPTIVE BIOTECHNOLOGIES COR | Healthcare | 13.6% | $21.7m | 1,010,145 | 0% | held |
| 5 | GH GUARDANT HEALTH INC | Healthcare | 10.8% | $17.2m | 114,747 | -53% | reduced |
| 6 | QTRX QUANTERIX CORP | Healthcare | 9.5% | $15.0m | 3,474,202 | 62% | added |
| 7 | NTRA NATERA INC | Healthcare | 5.9% | $9.4m | 34,494 | -23% | reduced |
| 8 | BLLN BILLIONTOONE INC | 5.3% | $8.4m | 70,000 | 250% | added | |
| 9 | TEM TEMPUS AI INC | Healthcare | 3.8% | $6.1m | 105,412 | -33% | reduced |
What did Blue Water Life Science Advisors, LP sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| TWST TWIST BIOSCIENCE CORP | 100.0% | $13.1m |
Sector mix
| Sector | Weight |
|---|---|
| Healthcare | 94.7% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Blue Water Life Science Advisors, LP's portfolio?
Across every quarter Blue Water Life Science Advisors, LP has filed, its median largest position is 20.0% of the book and its median top-ten weight is 100.0%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 1.0 completed holding spells, the median lasted 1.0 quarters; 9.0 positions are still open and their final length is unknown.