Catalys Pacific, LLC
CIK
2011385
Location
TOKYO, M0
Portfolio Value
Small
$230,711,688
Diversification
Highly concentrated
Filing Date
Global Rank
#3,575
/ 8,232
▼ 350
Top Industry
Biotechnology
100.0%
3Y Alpha vs SPY
+5.7%
Period ended 2 months ago
Filed May 14, 2026 · 31d
10 quarters · since Dec 2023
Clone Performance
Feb 2024–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+70.4%
SPY
+52.9%
Annualised alpha
+5.7%
Max drawdown
−51.7%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
2 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
92.8%
+0.4 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
8,665
Highly concentrated+75
Portfolio Trend
10 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Healthcare | 100.0% | $230,711,688 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
1 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| PHAT | Phathom Pharmaceuticals, Inc. | +64,840 | 1,493,854 | $16,596,717 | |
| No positions match the current search. | |||||
Trimmed
Positions the filer reducedNo qualifying positions this quarter.
New Positions
Positions the filer opened this quarterNo qualifying positions this quarter.
Sold Out
Positions the filer fully exitedNo qualifying positions this quarter.
2 positions ·
$230,711,688 total
· as of Mar 31, 2026
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| MLYS |
Mineralys Therapeutics, Inc.
Healthcare
|
Held | 7,903,838 | $214,114,971 | 92.81% | |
| PHAT |
Phathom Pharmaceuticals, Inc.
Healthcare
|
Added | 1,493,854 | $16,596,717 | 7.19% |