Rock Springs Capital Management LP
Q1 2014 13F-HR Holdings
Net value change ($000)
+153,651
(54.9%)
New positions
19
Sold out positions
13
Turnover %
25.0%
Sector allocation + QoQ delta (equities-only)
Snapshot: Change Analysis
Compared to Q4 2013
Methodology:
sector metrics are equities-only;
instrument mix chart is ex-options;
options exposure is shown separately.
Why this matters.
Top Adds (Value $000, Stocks/ETFs)
| JNJ | 24,558 | NEW |
| INTERMUNE INC | 11,882 | 645.4% |
| FLAMEL TECHNOLOGIES SA | 10,050 | NEW |
| ACTAVIS INC | 7,463 | 181.3% |
| UNH | 7,310 | 97.1% |
| ABBV | 6,622 | 55.7% |
| COO | 6,267 | 306.8% |
| MCK | 5,988 | 58.9% |
| TMO | 5,380 | 71.6% |
| AMGN | 5,165 | 57.3% |
Top Reduces (Value $000, Stocks/ETFs)
| XLV | -8,815 | -43.0% |
| GENTIUM SPA SPONSORED ADR | -6,824 | -100.0% |
| AETNA INC NEW | -4,273 | -100.0% |
| PBYI | -2,873 | -88.1% |
| EW | -2,795 | -100.0% |
| *AEGERION PHARMACEUTICALS INC | -2,785 | -100.0% |
| TORNIER NV | -2,443 | -100.0% |
| AUXILIUM PHARMACEUTICALS | -2,074 | -100.0% |
| COR | -1,582 | -100.0% |
| XENOPORT INC | -1,006 | -100.0% |
Instrument mix + QoQ Δ (ex-options)
How this table is calculated:
SEC
VALUE ($000) is used as reported.
For derivatives (PUT/CALL/WARRANT/RIGHT), SEC value represents reported underlying exposure, not premium cash paid/received.
Column % is bucket-based:
non-options share is calculated inside non-option total, options share is calculated inside options total.
Details.
Filter:
Instrument:
| Issuer Name | Ticker | Sector | Industry | Class | History | Value ($000) | % | Shares | Shares Δ | Shares Δ% | Value Δ ($000) | Value Δ% | Principal | Option Type |
|---|