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US INSIDER PROFILE · NON-SCORING RESEARCH
PERCEPTIVE LIFE SCIENCES MASTER FUND LTD
10% Owner | Director
Identity: SEC reporting-owner CIK · Reporting-owner CIK: 0001249675
Purchase history
- Companies traded
- 3
- Purchases · 12M
- 1
- Purchases · 24M
- 3
- Average purchase
- $9.9M
- Median purchase
- $7.5M
- Gross purchase value
- $29.6M
Companies: Immatics N.V. | Orchestra BioMed Holdings, Inc. | Solid Biosciences Inc.
3 SEC accession(s) · 3 joint-owner event(s). Values are reported Form 4 transaction values in USD.
Qualifying purchase disclosures
| Published | Company | Ticker | Role | Reported value | SEC source |
|---|---|---|---|---|---|
| 2026-08-27 | Immatics N.V. | IMTX | Director | $7.5M | Open filing |
| 2025-08-05 | Orchestra BioMed Holdings, Inc. | OBIO | 10% Owner | $1.9M | Open filing |
| 2025-02-21 | Solid Biosciences Inc. | SLDB | Director | 10% Owner | $20.1M | Open filing |
Post-purchase outcomes
Excess return = stock return − S&P 500 ETF (SPY adjusted close) return. Returns start on the first shared trading session on or after publication.
No completed point-in-time price outcome is available yet.
Research patterns
- First purchase in 12M
- 1/1
- Large purchase ≥ $100k
- 3/3
- Cluster buying · 15D
- 3/3
- Buying the dip
- 0/—
Routine / opportunistic: Not classifiable. These labels never affect the score or ranking.
Small samples remain visible but are not scored. This research enrichment never affects US-v1.1.