Blue Water Life Science Advisors, LP — 13F Holdings & Portfolio
CIK 1789778 · latest 13F-HR filed 2026-08-14
Blue Water Life Science Advisors, LP manages $158.8M in 13F-reported U.S. long-equity assets across 9 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are CDNA (21.36%), TXG (15.50%), PSNL (14.15%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 1, added to 6, and trimmed 2.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
STE 4A
LARKSPUR, CA 94939
$158.8M
Long-equity book
9
Distinct positions
2026-06-30
Filed 2026-08-14
+0 / −1 / ↑6 / ↓2
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- CAREDX INC$17.7M +108.9%
- PERSONALIS INC$11.8M +110.4%
- ADAPTIVE BIOTECHNOLOGIES COR$7.6M +54.5%
- QUANTERIX CORP$7.5M +99.0%
- BILLIONTOONE INC$6.8M +432.0%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | CAREDX INC | CDNA | 14167L103 | $33.9M | 21.36% | 1,190,000 | SH |
| 2 | 10X GENOMICS INC | TXG | 88025U109 | $24.6M | 15.50% | 642,000 | SH |
| 3 | PERSONALIS INC | PSNL | 71535D106 | $22.5M | 14.15% | 1,676,300 | SH |
| 4 | ADAPTIVE BIOTECHNOLOGIES COR | ADPT | 00650F109 | $21.7M | 13.65% | 1,010,145 | SH |
| 5 | GUARDANT HEALTH INC | GH | 40131M109 | $17.2M | 10.84% | 114,747 | SH |
| 6 | QUANTERIX CORP | QTRX | 74766Q101 | $15.0M | 9.45% | 3,474,202 | SH |
| 7 | NATERA INC | NTRA | 632307104 | $9.4M | 5.90% | 34,494 | SH |
| 8 | BILLIONTOONE INC | BLLN | 090168105 | $8.4M | 5.29% | 70,000 | SH |
| 9 | TEMPUS AI INC | TEM | 88023B103 | $6.1M | 3.85% | 105,412 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $158.8M | 9 | 0001420506-26-001647 |
| 2026-03-31 | 2026-05-14 | $124.7M | 10 | 0001420506-26-001003 |
| 2025-12-31 | 2026-02-17 | $159.3M | 9 | 0001420506-26-000497 |
| 2025-09-30 | 2025-11-14 | $109.6M | 7 | 0001420506-25-003275 |