RA Capital Healthcare Fund LP
Director, 10% Owner · SpyGlass Pharma, Inc.
Every open-market stock purchase RA Capital Healthcare Fund LP has reported to the SEC on Form 4 that met our signal bar, parsed straight from the filings. This page tracks where those buys landed inside insider clusters and how the prices paid compare to where the stock trades now.
Where the buys stand today
- SGP+22.2% vs price paidSpyGlass Pharma, Inc.
2 purchases totalling $59.0M at an average of $16.00 per share; the stock last traded at $19.56. See all insider buying in SGP →
Avg price paid$16.00Latest price$19.56Market cap$651.0M - PEPG−40.6% vs price paidPepGen Inc.
One purchase totalling $30.0M at an average of $3.20 per share; the stock last traded at $1.90. See all insider buying in PEPG →
Avg price paid$3.20Latest price$1.90Market cap$130.7M - JANXJanux Therapeutics, Inc.
4 purchases totalling $25.3M at an average of $30.75 per share. See all insider buying in JANX →
Avg price paid$30.75Latest price—Market capUnknown - TYRATyra Biosciences, Inc.
2 purchases totalling $21.7M at an average of $15.45 per share. See all insider buying in TYRA →
Avg price paid$15.45Latest price—Market capUnknown
Cluster participation
Qualifying buys grouped with other insiders buying the same stock — the pattern this site exists to catch.
All reported buys
| Date | Ticker | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Feb 9, 2026 | SGPcluster | 248,034 | $16.00 | $4.0M | SEC ↗ |
| Feb 9, 2026 | SGPcluster | 3,441,966 | $16.00 | $55.1M | SEC ↗ |
| Sep 26, 2025 | PEPGcluster | 9,375,000 | $3.20 | $30.0M | SEC ↗ |
| Jun 9, 2025 | TYRAcluster | 186,850 | $10.19 | $1.9M | SEC ↗ |
| Mar 7, 2025 | 110,206 | $31.02 | $3.4M | SEC ↗ | |
| Mar 6, 2025 | 372,093 | $30.78 | $11.5M | SEC ↗ | |
| Mar 5, 2025 | 37,455 | $31.30 | $1.2M | SEC ↗ | |
| Mar 5, 2025 | 304,287 | $30.56 | $9.3M | SEC ↗ | |
| Nov 8, 2024 | TYRAcluster | 1,220,681 | $16.25 | $19.8M | SEC ↗ |
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About this data
Figures are parsed from RA Capital Healthcare Fund LP's Form 4 filings on SEC EDGAR (CIK 1315082) and cover open-market purchases (transaction code P) — grants, option exercises, and sales are excluded, which is why totals here can differ from raw filing counts. Every row links to its source document.
This page is informational and reflects public filing data. It is not investment advice.