CASTLEARK MANAGEMENT LLC
Q4 2020 13F-HR Holdings
Net value change ($000)
+119,455
(4.7%)
New positions
39
Sold out positions
54
Turnover %
18.9%
Sector allocation + QoQ delta (equities-only)
Snapshot: Change Analysis
Compared to Q3 2020
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)
| LRCX | 24,123 | 71.3% |
| NKE | 23,039 | 66.0% |
| IWN | 21,944 | NEW |
| XLF | 18,392 | 218.6% |
| TSLA | 15,394 | 75.6% |
| VCYT | 12,325 | NEW |
| MCHP | 11,986 | 31.1% |
| DAR | 10,721 | 1229.5% |
| HCA | 10,392 | 28.6% |
| PLUG | 10,021 | 558.0% |
Top Reduces (Value $000, Stocks/ETFs)
| GLD | -46,433 | -79.2% |
| UNH | -18,606 | -100.0% |
| Horizon Therapeutics Public Ltd Co | -16,849 | -84.5% |
| SPGI | -15,434 | -42.9% |
| TNDM | -14,965 | -100.0% |
| MOMENTIVE GLOBAL INC. | -12,976 | -100.0% |
| MyoKardia, Inc. | -12,547 | -100.0% |
| HELE | -12,495 | -100.0% |
| OC | -12,091 | -100.0% |
| BLD | -11,426 | -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 |
|---|