Institutional Manager · CIK 0001776382
venBio Partners LLC
SAN FRANCISCO, CA · File #028-19529
Latest AUM
$216.3M
Positions
6
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 |
|---|---|---|---|---|---|
| REDUCE | LYELL IMMUNOPHARMA INC | LYEL | -135,782 | -$4.2M | +$6.9M |
| REDUCE | ARTIVA BIOTHERAPEUTICS INC | ARTV | -500,468 | -$2.1M | +$1.6M |
| REDUCE | ALUMIS INC | ALMS | 0 | $0 | +$26.7M |
| REDUCE | ALX ONCOLOGY HLDGS INC | ALXO | 0 | $0 | -$6.8M |
| REDUCE | HARMONY BIOSCIENCES HLDGS IN | HRMY | 0 | $0 | +$4.8M |
| REDUCE | PHARVARIS N V | PHVS | 0 | $0 | +$13.0M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 20256 pos · $216.3M
- 13F HOLDINGS REPORTQ/E Sep 20256 pos · $176.4M
- 13F HOLDINGS REPORTQ/E Jun 20256 pos · $114.8M
- 13F HOLDINGS REPORTQ/E Mar 20257 pos · $123.6M
- 13F HOLDINGS REPORTQ/E Dec 20247 pos · $170.7M
- 13F HOLDINGS REPORTQ/E Sep 20246 pos · $194.3M
- 13F HOLDINGS REPORTQ/E Jun 20246 pos · $231.5M
- 13F HOLDINGS REPORTQ/E Mar 20245 pos · $281.9M
- 13F HOLDINGS REPORTQ/E Dec 20238 pos · $352.7M
Top 6 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | PHARVARIS N V | PHVS | 4,639,304 | $128.7M | 59.53% |
| 2 | ALUMIS INC | ALMS | 4,619,803 | $45.1M | 20.85% |
| 3 | HARMONY BIOSCIENCES HLDGS IN | HRMY | 489,194 | $18.3M | 8.46% |
| 4 | ALX ONCOLOGY HLDGS INC | ALXO | 9,699,925 | $11.0M | 5.07% |
| 5 | LYELL IMMUNOPHARMA INC | LYEL | 337,697 | $10.4M | 4.81% |
| 6 | ARTIVA BIOTHERAPEUTICS INC | ARTV | 648,507 | $2.8M | 1.29% |