Terminal · Institutions
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
CASTLEARK MANAGEMENT LLC (CIK 1106832) reported $3.02B across 291 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: NVDA ($219.4M, 7.26%), GOOGL ($120.2M, 3.98%), MSFT ($97.8M, 3.23%), SPIB ($90.2M, 2.98%), AAPL ($88.8M, 2.94%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | NVDA | NVIDIA CORPORATION | $219.4M | 7.26% | 1.3M | Trimmed |
| 2 | GOOGL | ALPHABET INC | $120.2M | 3.98% | 418,019 | Added |
| 3 | MSFT | MICROSOFT CORP | $97.8M | 3.23% | 264,102 | Trimmed |
| 4 | SPIB | SPDR SERIES TRUST | $90.2M | 2.98% | 2.7M | Added |
| 5 | AAPL | APPLE INC | $88.8M | 2.94% | 350,011 | Trimmed |
| 6 | GOVT | ISHARES TR | $76.3M | 2.52% | 3.3M | Hold |
| 7 | LRCX | LAM RESEARCH CORP | $71.9M | 2.38% | 336,740 | Trimmed |
| 8 | META | META PLATFORMS INC | $70.9M | 2.35% | 123,965 | Added |
| 9 | VMBS | VANGUARD SCOTTSDALE FDS | $69.9M | 2.31% | 1.5M | Trimmed |
| 10 | LLY | ELI LILLY & CO | $67.6M | 2.24% | 73,478 | Trimmed |
| 11 | AVGO | BROADCOM INC | $62.7M | 2.08% | 202,704 | Trimmed |
| 12 | ANET | ARISTA NETWORKS INC | $52.9M | 1.75% | 430,935 | Added |
| 13 | AMZN | AMAZON COM INC | $51.2M | 1.69% | 245,861 | Trimmed |
| 14 | GILD | GILEAD SCIENCES INC | $47.7M | 1.58% | 342,150 | Added |
| 15 | SCHW | SCHWAB CHARLES CORP | $47.4M | 1.57% | 504,053 | Trimmed |
| 16 | V | VISA INC | $46.5M | 1.54% | 153,826 | Trimmed |
| 17 | MA | MASTERCARD INCORPORATED | $46.0M | 1.52% | 92,013 | Trimmed |
| 18 | SPTS | SPDR SERIES TRUST | $38.9M | 1.29% | 1.3M | Hold |
| 19 | SHOP | SHOPIFY INC | $36.8M | 1.22% | 310,590 | Trimmed |
| 20 | GEV | GE VERNOVA INC | $36.2M | 1.20% | 41,489 | Trimmed |
| 21 | VCLT | VANGUARD SCOTTSDALE FDS | $33.5M | 1.11% | 448,330 | Added |
| 22 | NOW | SERVICENOW INC | $31.8M | 1.05% | 303,756 | Added |
| 23 | TPR | TAPESTRY INC | $28.9M | 0.95% | 204,470 | Added |
| 24 | FANG | DIAMONDBACK ENERGY INC | $28.7M | 0.95% | 145,020 | New |
| 25 | VRT | VERTIV HOLDINGS CO | $28.2M | 0.93% | 112,363 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31