13FBOX
CASTLEARK MANAGEMENT LLC · 13F Holdings
Options Calculator Rankings

CASTLEARK MANAGEMENT LLC

No.1185 Data as of 2026Q2
Latest AUM (Q2 2026)
$3.71B
QoQ Change Q1 2026
+$687.2M+22.7%
Holdings
309
New Buys
58
Adds
71
Reduces
89
Exits
41
Unchanged
91
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
NVIDIA CORPORATIONNVDA
7.01%7.26%$260.0M1.3M$219.4M1.3M+41,593+3.31%Add
ALPHABET INCGOOGL
4.89%3.98%$181.2M507,093$120.2M418,019+89,074+21.31%Add
APPLE INCAAPL
3.68%2.94%$136.6M472,108$88.8M350,011+122,097+34.88%Add
LAM RESEARCH CORPLRCX
3.32%2.38%$123.0M283,808$71.9M336,740-52,932-15.72%Reduce
MICROSOFT CORPMSFT
2.94%3.23%$109.2M292,770$97.8M264,102+28,668+10.85%Add
ELI LILLY & COLLY
2.84%2.24%$105.2M87,697$67.6M73,478+14,219+19.35%Add
BROADCOM INCAVGO
2.48%2.08%$92.1M243,896$62.7M202,704+41,192+20.32%Add
SSTATE STREETSPIB
2.43%2.98%$90.0M2.7M$90.2M2.7M00.00%Unchanged
VISA INCV
2.18%1.54%$81.0M236,166$46.5M153,826+82,340+53.53%Add
ARISTA NETWORKS INCANET
2.17%1.75%$80.4M473,319$52.9M430,935+42,384+9.84%Add
IISHARES TRGJS
2.04%2.52%$75.8M3.3M$76.3M3.3M00.00%Unchanged
VVANGUARD SCOTTSDALE FDSVMBS
1.88%2.31%$69.6M1.5M$69.9M1.5M00.00%Unchanged
ADVANCED MICRO DEVICES INCAMD
1.86%0.6%$69.0M118,865$18.1M88,954+29,911+33.63%Add
GGILEAD SCIENCES INC COMGILD
1.8%1.58%$66.6M527,542$47.7M342,150+185,392+54.18%Add
AMAZON COM INCAMZN
1.72%1.69%$63.9M268,249$51.2M245,861+22,388+9.11%Add
GE VERNOVA INCGEV
1.46%1.2%$54.2M46,101$36.2M41,489+4,612+11.12%Add
META PLATFORMS INCMETA
1.42%2.35%$52.8M93,744$70.9M123,965-30,221-24.38%Reduce
ANALOG DEVICES INC COMADI
1.29%0.82%$48.0M120,934$24.8M77,908+43,026+55.23%Add
MASTERCARD INCORPORATEDMA
1.27%1.52%$47.0M91,462$46.0M92,013-551-0.60%Reduce
MORGAN STANLEYMS
1.18%0.13%$43.6M208,542$3.9M23,680+184,862+780.67%Add
SNOWFLAKE INC COM SHSSNOW
1.14%0.68%$42.5M166,818$20.5M136,044+30,774+22.62%Add
VERTIV HOLDINGS COVRT
1.12%0.93%$41.5M123,901$28.2M112,363+11,538+10.27%Add
TAPESTRY INCTPR
1.05%0.95%$38.9M265,749$28.9M204,470+61,279+29.97%Add
SSTATE STREET SPDR PORTFOLIO SHORT TERM TREASURY ETFSPTS
1.04%1.29%$38.7M1.3M$38.9M1.3M00.00%Unchanged
VVANGUARD LONG-TERM CORPORATE BOND INDEX FUND (ETF SHS)VCLT
0.91%1.11%$33.7M448,330$33.5M448,33000.00%Unchanged
SERVICENOW INCNOW
0.86%1.05%$31.9M321,623$31.8M303,756+17,867+5.88%Add
IISHARES TRTLH
0.7%0.86%$25.9M258,432$26.0M258,43200.00%Unchanged
BOOKING HOLDINGS INC COMBKNG
0.66%0.68%$24.4M136,776$20.6M4,896+131,880+2,693.63%Add
MOODYS CORPMCO
0.65%0.24%$24.2M53,444$7.4M16,900+36,544+216.24%Add
TESLA INCTSLA
0.55%0.48%$20.2M48,070$14.6M39,180+8,890+22.69%Add
CATERPILLAR INCCAT
0.54%0.33%$20.2M18,980$9.9M13,920+5,060+36.35%Add
GE AEROSPACEGE
0.53%0.29%$19.7M52,830$8.7M30,680+22,150+72.20%Add
TAIWAN SEMICONDUCTOR MANUFACTSM
0.53%0.46%$19.7M41,210$13.9M41,21000.00%Unchanged
LIGAND PHARMACEUTICALS INCLGND
0.53%0.32%$19.6M62,043$9.7M48,696+13,347+27.41%Add
EAST WEST BANCORP INCEWBC
0.52%$19.4M127,170$00+127,170New Buy
ISHARES MBSACGL
0.52%0.64%$19.3M204,235$19.4M204,23500.00%Unchanged
TWILIO INCTWLO
0.51%0.11%$19.1M92,390$3.4M26,760+65,630+245.25%Add
BAKER HUGHES COMPANYBKR
0.49%0.78%$18.3M330,020$23.6M387,190-57,170-14.77%Reduce
GGARRETT MOTION INCGTX
0.46%0.29%$17.0M469,470$8.9M488,000-18,530-3.80%Reduce
JPMORGAN CHASE & COJPM
0.45%0.49%$16.5M50,525$14.9M50,52500.00%Unchanged
AASCENDIS PHARMA A/S SPONSORED ADRASND
0.44%0.51%$16.5M61,696$15.5M67,616-5,920-8.76%Reduce
HUNT J B TRANS SVCS INCJBHT
0.44%0.16%$16.4M56,520$4.8M22,600+33,920+150.09%Add
DIAMONDBACK ENERGY INCFANG
0.43%0.95%$15.9M90,680$28.7M145,020-54,340-37.47%Reduce
GENERAL MTRS COGM
0.41%0.24%$15.4M199,440$7.4M99,280+100,160+100.89%Add
BBRIGHTSPRING HEALTH SVCS INCBTSG
0.4%0.35%$14.8M212,430$10.5M247,200-34,770-14.07%Reduce
SSEMTECH CORPSMTC
0.4%0.27%$14.8M91,218$8.3M107,758-16,540-15.35%Reduce
FIRSTCASH HOLDINGS INCFCFS
0.4%0.44%$14.8M68,190$13.3M70,730-2,540-3.59%Reduce
MARRIOTT INTL INC NEWMAR
0.38%0.09%$14.0M37,910$2.7M8,360+29,550+353.47%Add
IISHARES TRIGIB
0.37%0.46%$13.8M259,994$13.8M259,99400.00%Unchanged
TJX COS INC NEWTJX
0.37%0.48%$13.7M90,620$14.5M90,62000.00%Unchanged

🧭 Institutional Sector Flow Heatmap

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