Merck & Co., Inc.
CIK
310158
Location
RAHWAY, NJ
Portfolio Value
Small
$315,241,752
Diversification
Highly concentrated
Filing Date
Global Rank
#3,033
/ 8,232
▲ 512
Top Industry
Biotechnology
71.6%
3Y Alpha vs SPY
+26.5%
Period ended 2 months ago
Filed May 13, 2026 · 32d
6 quarters · since Dec 2024
Clone Performance
Feb 2025–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+61.7%
SPY
+23.4%
Annualised alpha
+26.4%
Max drawdown
−40.8%
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
9 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
37.2%
−5.5 pts
Top 5
97.0%
−1.9 pts
Top 10
100.0%
0.0 pts
HHI
2,672
Highly concentrated−388
Portfolio Trend
6 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Healthcare | 100.0% | $315,241,752 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
1 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| HURA | TuHURA Biosciences, Inc./NV | +5,495 | 19,445 | $34,806 | |
| No positions match the current search. | |||||
Trimmed
Positions the filer reducedNo qualifying positions this quarter.
Sold Out
Positions the filer fully exited
1 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| XLO | Xilio Therapeutics, Inc. | 1,483,758 | $13,294,471 | |
| No positions match the current search. | ||||
9 positions ·
$315,241,752 total
· as of Mar 31, 2026
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| MRNA |
Moderna, Inc.
Healthcare
|
Held | 2,308,190 | $117,256,052 | 37.20% | |
| PSNL |
Personalis, Inc.
Healthcare
|
Held | 14,044,943 | $89,466,286 | 28.38% | |
| KYMR |
Kymera Therapeutics, Inc.
Healthcare
|
Held | 772,165 | $64,313,622 | 20.40% | |
| EIKN |
Eikon Therapeutics, Inc.
Healthcare
|
NEW | 1,666,666 | $17,633,326 | 5.59% | |
| AKTS |
Aktis Oncology, Inc.
Healthcare
|
NEW | 952,844 | $17,046,379 | 5.41% | |
| ALEC |
Alector, Inc.
Healthcare
|
Held | 3,545,719 | $7,623,295 | 2.42% | |
| VRDN |
Viridian Therapeutics, Inc.DE
Healthcare
|
Held | 93,414 | $1,827,177 | 0.58% | |
| NEUP |
Neuphoria Therapeutics Inc.
Healthcare
|
Held | 10,027 | $40,809 | 0.01% | |
| HURA |
TuHURA Biosciences, Inc./NV
Healthcare
|
Added | 19,445 | $34,806 | 0.01% |