New Leaf Venture Partners, L.L.C. — 13F Holdings & Portfolio
CIK 1631614 · latest 13F-HR filed 2025-11-14
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.
$43.0M
Long-equity book
7
Distinct positions
2025-09-30
Filed 2025-11-14
+0 / −1 / ↑6 / ↓1
vs 2025-06-30
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- EWTX$3.2M +23.7%
- ARVN$1.8M +15.8%
- CRNX$1.8M +44.8%
- COGT$1.8M +100.0%
- RLYB$531.6K +47.6%
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 | EWTX | EWTX | 28036F105 | $16.7M | 38.82% | 1,030,161 | SH |
| 2 | ARVN | ARVN | 04335A105 | $13.5M | 31.38% | 1,585,721 | SH |
| 3 | CRNX | CRNX | 22663K107 | $5.9M | 13.64% | 141,000 | SH |
| 4 | COGT | COGT | 19240Q201 | $3.6M | 8.37% | 250,765 | SH |
| 5 | RLYB | RLYB | 75120L100 | $1.6M | 3.83% | 3,301,603 | SH |
| 6 | ALEC | ALEC | 014442107 | $1.0M | 2.33% | 339,569 | SH |
| 7 | PASG | — | 702712100 | $702.0K | 1.63% | 87,426 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2025-09-30 | 2025-11-14 | $43.0M | 7 | 0001193125-25-280589 |
| 2025-06-30 | 2025-08-13 | $52.9M | 8 | 0000950123-25-007852 |