Institutional Manager · CIK 0001789778
Blue Water Life Science Advisors, LP
LARKSPUR, CA · File #028-20810
Latest AUM
$159.3M
Positions
9
Top-10 Concentration
100.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | TWIST BIOSCIENCE CORP | TWST | +383,000 | +$12.1M | $0 |
| NEW | GRAIL INC | GRAL | +99,000 | +$8.5M | $0 |
| ADD | QUANTERIX CORP | QTRX | +1,134,400 | +$7.2M | +$890,705 |
| REDUCE | ADAPTIVE BIOTECHNOLOGIES COR | ADTI | -380,000 | -$6.2M | +$2.7M |
| REDUCE | GUARDANT HEALTH INC | GH | -50,600 | -$5.2M | +$16.1M |
| ADD | TEMPUS AI INC | TEM | +14,000 | +$826,700 | -$1.6M |
| REDUCE | CAREDX INC | CDNA | 0 | $0 | +$2.2M |
| REDUCE | NATERA INC | NTRA | 0 | $0 | +$9.6M |
| REDUCE | PERSONALIS INC | PSNL | 0 | $0 | +$2.4M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20259 pos · $159.3M
- 13F HOLDINGS REPORTQ/E Sep 20257 pos · $109.6M
- 13F HOLDINGS REPORTQ/E Jun 20258 pos · $126.3M
- 13F HOLDINGS REPORTQ/E Mar 20257 pos · $100.9M
- 13F HOLDINGS REPORTQ/E Dec 20249 pos · $112.9M
- 13F HOLDINGS REPORTQ/E Sep 20248 pos · $113.7M
- 13F HOLDINGS REPORTQ/E Jun 20248 pos · $102.8M
- 13F HOLDINGS REPORTQ/E Mar 20248 pos · $106.3M
- 13F HOLDINGS REPORTQ/E Dec 20237 pos · $105.9M
Top 9 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | GUARDANT HEALTH INC | GH | 355,047 | $36.3M | 22.76% |
| 2 | NATERA INC | NTRA | 141,494 | $32.4M | 20.34% |
| 3 | ADAPTIVE BIOTECHNOLOGIES COR | ADTI | 1,765,145 | $28.7M | 17.99% |
| 4 | PERSONALIS INC | PSNL | 1,676,300 | $13.3M | 8.37% |
| 5 | QUANTERIX CORP | QTRX | 2,092,147 | $13.3M | 8.35% |
| 6 | TWIST BIOSCIENCE CORP | TWST | 383,000 | $12.1M | 7.63% |
| 7 | CAREDX INC | CDNA | 510,000 | $9.6M | 6.03% |
| 8 | GRAIL INC | GRAL | 99,000 | $8.5M | 5.32% |
| 9 | TEMPUS AI INC | TEM | 86,412 | $5.1M | 3.20% |