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CASTLEARK MANAGEMENT LLC
Period ended Jun 30, 2026 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $3,709,338,225
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- NVIDIA CORPORATION · COM · 67066G104 · shares: $260,037,964
- ALPHABET INC · CAP STK CL A · 02079K305 · shares: $181,219,825
- APPLE INC · COM · 037833100 · shares: $136,609,171
- LAM RESEARCH CORP · COM NEW · 512807306 · shares: $122,982,521
- MICROSOFT CORP · COM · 594918104 · shares: $109,209,065
- ELI LILLY & CO · COM · 532457108 · shares: $105,186,413
- BROADCOM INC · COM · 11135F101 · shares: $92,131,714
- SPDR SERIES TRUST · ST INTER BD ETF · 78464A375 · shares: $89,953,195
- VISA INC · COM CL A · 92826C839 · shares: $81,026,193
- ARISTA NETWORKS INC · COM SHS · 040413205 · shares: $80,407,432
Reported holdings
309 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| STRYKER CORPORATION | COM | 863667101 | — | 340 shares | $107,046 |
| FISERV INC | COM | 337738108 | — | 2,000 shares | $98,100 |
| NIKE INC | CL B | 654106103 | — | 2,000 shares | $82,100 |
| SOUTHWEST AIRLS CO | COM | 844741108 | — | 1,560 shares | $80,215 |
| FEDEX FGHT HLDG CO INC | COMMON STOCK | 314352105 | — | 500 shares | $75,500 |
| PFIZER INC | COM | 717081103 | — | 2,971 shares | $71,542 |
| RPM INTL INC | COM | 749685103 | — | 580 shares | $64,467 |
| ISHARES INC | MSCI MEXICO ETF | 464286822 | — | 650 shares | $48,926 |
| PAYCHEX INC | COM | 704326107 | — | 360 shares | $35,399 |