CASTLEARK MANAGEMENT LLC 13F Holdings

CIK 0001106832 · CHICAGO, IL

As of Sep 30, 2025, CASTLEARK MANAGEMENT LLC reported 284 positions worth $3.5B in its SEC Form 13F filing.

Top 25 holdings

SecurityTickerSectorSharesValue% of portfolio
ADVISORS INNER CIRCLE FD II——7,383,950$322.1M9.17%
NVIDIA CORPNVDATechnology1,377,516$257.0M7.32%
MICROSOFT CORPMSFTTechnology361,604 87.3M5.33%
META PLATFORMS INCMETACommunication Services147,375 08.2M3.08%
APPLE INCAAPLTechnology380,021$96.8M2.76%
ALPHABET INCGOOGLEquity373,879$90.9M2.59%
AMAZON.COM INCAMZNEquity390,607$85.8M2.44%
STATE STREET(R) SPDR(R) PORTFOLIO INTERMEDIATE TERM CORPORATE BOND ETFSPIB—2,519,370$85.4M2.43%
VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUNDVMBS—1,705,540$80.1M2.28%
ISHARES US TREASURY BOND ETFGOVT—3,258,099$75.3M2.15%
BROADCOM INCAVGOTechnology205,886$67.9M1.93%
LAM RESEARCH CORPLRCXTechnology504,120$67.5M1.92%
NETFLIX INCNFLXCommunication Services54,948$65.9M1.88%
ARISTA NETWORKS INCANETTechnology402,479$58.6M1.67%
SCHWAB CHARLES CORPSCHWEquity611,674$58.4M1.66%
MASTERCARD INCMAFinancial Services100,329$57.1M1.63%
VISA INC-CLASS A SHARESVFinancial Services167,090$57.0M1.62%
SHOPIFY INCSHOPTechnology338,244$50.3M1.43%
SERVICENOW INCNOWTechnology52,978$48.8M1.39%
BLACKSTONE INCBXFinancial Services239,174$40.9M1.16%
STATE STREET(R) SPDR(R) PORTFOLIO SHORT TERM TREASURY ETFSPTS—1,334,080$39.1M1.11%
ELI LILLY & COLLYHealthcare44,553$34.0M0.97%
SNOWFLAKE INCSNOWTechnology148,110$33.4M0.95%
ISHARES MSCI EAFE ETFEFA—347,580$32.5M0.92%
MICROCHIP TECHNOLOGY INCMCHPTechnology472,344$30.3M0.86%