Blue Water Life Science Advisors, LP
CIK 1789778 · View on SEC EDGAR ↗
- Portfolio value
- $158.8M
- Positions
- 9
- As of
- June 30, 2026
Portfolio value QoQ: +27.3% 13F does not disclose cash
- Top 10 holdings weight
- 100.00%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 9
- Effective number of positions
- 7.3
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 13.42% Est. buys $19,020,978 · sells $55,171,029
Median holding: 7.0 quarters Tracked Q4 2024–Q2 2026 · 69.2% still held
- New positions
- 0
- Increased
- 3
- Decreased
- 4
- Closed
- 1
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: +90.4% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 96.8% · Options excluded: 0.0%
Sector breakdown
Full portfolio 9 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| CDNA CareDx, Inc. - Common Stock | $33,915,000 | 21.36% | 1,190,000 | $17,683,400 | Up ×2 | ||
| TXG 10x Genomics, Inc. - Common Stock | $24,614,280 | 15.50% | 642,000 | $1,473,580 | Down ×1 | ||
| PSNL Personalis, Inc. - Common Stock | $22,462,420 | 14.15% | 1,676,300 | $11,784,389 | |||
| ADPT Adaptive Biotechnologies Corporation - Common Stock | $21,667,610 | 13.65% | 1,010,145 | $7,646,797 | |||
| GH Guardant Health, Inc. - Common Stock | $17,215,492 | 10.84% | 114,747 | $-5,160,863 | Down ×5 | ||
| QTRX Quanterix Corporation - Common Stock | $15,008,553 | 9.45% | 3,474,202 | $7,468,196 | Up ×3 | ||
| NTRA Natera, Inc. - Common Stock | $9,363,396 | 5.90% | 34,494 | $405,044 | Down ×2 | ||
| BLLN BillionToOne, Inc. - Class A common stock | $8,398,600 | 5.29% | 70,000 | $6,819,800 | Up ×1 | ||
| TEM Tempus AI, Inc. - Class A Common Stock | $6,106,517 | 3.85% | 105,412 | $-966,434 | Down ×1 | ||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
| Security | Value | % of portfolio | Streak |
|---|---|---|---|
| QTRX | $15,008,553 | 9.45% | up ×3 |
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| CDNA | Bought more | +255K | +$17.7M |
| PSNL | Price move only | +0 | +$11.8M |
| ADPT | Price move only | +0 | +$7.6M |
| QTRX | Bought more | +1.3M | +$7.5M |
| GH | Trimmed | -128K | -$5.2M |
| TXG | Trimmed | -448K | +$1.5M |
| TEM | Trimmed | -51K | -$966K |
| NTRA | Trimmed | -10K | +$405K |
1 position hidden (data completeness check)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| TWST | June 30, 2026 | 276,000 | $13,115,520 | 33.1% |
| TXG | Sept. 30, 2025 | 1,100,720 | $12,746,338 | 433.1% |
| GRAL | March 31, 2026 | 99,000 | $8,473,410 | 49.1% |
| AKYA | Sept. 30, 2025 | 4,697,785 | $6,107,121 | No longer tracked |
| EXAS | March 31, 2025 | 78,843 | $4,430,188 | No longer tracked |
| TEM | March 31, 2025 | 90,000 | $3,038,400 | 37.6% |