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Asset Manager ← All Institutions

CASTLEARK MANAGEMENT LLC

Q1 2026 · Filed 2026-05-15
Market Value
$3.0B
-11.1%
Holdings
343
+1
New Purchases
53
Added To
65
Closed
54
Reduced
99
Top 10 Concentration
32.5%
Turnover
31.2%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
FANG 0.96% 0.00% +0.96% $29M
CVX 0.94% 0.00% +0.94% $28M
BKR 0.79% 0.07% +0.72% $24M
VCLT 1.12% 0.53% +0.59% $33M
GILD 1.59% 1.01% +0.58% $48M
CF 0.56% 0.00% +0.56% $17M
RRC 0.62% 0.08% +0.54% $19M
LRCX 2.40% 1.89% +0.51% $72M
SPIB 3.01% 2.53% +0.48% $90M
GOOGL 4.01% 3.54% +0.47% $120M
PR 0.45% 0.00% +0.45% $13M
TPR 0.96% 0.54% +0.42% $29M
XOM 0.37% 0.00% +0.37% $11M
VRT 0.94% 0.60% +0.34% $28M
ADI 0.83% 0.49% +0.34% $25M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
MSFT 3.26% 5.30% -2.04% $98M
AMZN 1.71% 3.23% -1.52% $51M
BX 0.00% 1.12% -1.12% $0
EFA 0.00% 0.99% -0.99% $0
PODD 0.00% 0.68% -0.68% $0
SPOT 0.00% 0.58% -0.58% $0
DAL 0.00% 0.54% -0.54% $0
MCHP 0.44% 0.97% -0.53% $13M
NVDA 7.32% 7.79% -0.47% $219M
SHOP 1.23% 1.65% -0.42% $37M
ETN 0.01% 0.42% -0.41% $211K
LLY 2.26% 2.60% -0.34% $68M
UBER 0.41% 0.75% -0.34% $12M
SANM 0.00% 0.32% -0.32% $0
LITE 0.02% 0.34% -0.32% $541K

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 32 $1.1B 38.3%
Large Cap 194 $1.4B 46.1%
Mid Cap 100 $443M 14.8%
Small Cap 16 $24M 0.8%
Micro Cap 1 $975K 0.0%

Portfolio Analytics

Avg Market Cap
$154.9B
Median Market Cap
$15.4B
Avg P/E
48.3
Median P/E
31.5
Avg Dividend Yield
0.01%
Avg Beta
1.17
# Stocks
311
# ETFs / Funds
32

Top Holdings (343 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 NVDA 7.32% 1,258,012 $219M $174.40 -$43M -150,134 -10.7%
2 GOOGL 4.01% 418,019 $120M $287.56 $753K +36,380 +9.5%
3 MSFT 3.26% 264,102 $98M $370.17 -$81M -105,358 -28.5%
4 SPIB 3.01% 2,688,380 $90M $33.54 $5M +169,010 +6.7%
5 AAPL 2.96% 350,011 $89M $253.79 -$16M -37,030 -9.6%
6 GOVT 2.55% 3,329,569 $76M $22.91 -$383K
7 LRCX 2.40% 336,740 $72M $213.66 $8M -36,136 -9.7%
8 META 2.37% 123,965 $71M $572.13 -$10M +1,550 +1.3%
9 VMBS 2.33% 1,487,800 $70M $46.95 -$10M -217,740 -12.8%
10 LLY 2.26% 73,478 $68M $919.77 -$20M -8,100 -9.9%
11 AVGO 2.09% 202,704 $63M $309.51 -$9M -3,176 -1.5%
12 ANET 1.77% 430,935 $53M $122.78 -$979K +19,658 +4.8%
13 AMZN 1.71% 245,861 $51M $208.27 -$58M -226,288 -47.9%
14 GILD 1.59% 342,150 $48M $139.37 $14M +64,822 +23.4%
15 SCHW 1.58% 504,053 $47M $93.98 -$15M -118,482 -19.0%
16 V 1.55% 153,826 $46M $302.24 -$13M -16,652 -9.8%
17 MA 1.53% 92,013 $46M $499.66 -$13M -10,438 -10.2%
18 SPTS 1.30% 1,334,080 $39M $29.18 -$133K
19 SHOP 1.23% 310,590 $37M $118.62 -$19M -34,792 -10.1%
20 GEV 1.21% 41,489 $36M $872.90 $5M -6,252 -13.1%
21 VCLT 1.12% 448,330 $33M $74.72 $16M +211,880 +89.6%
22 NOW 1.06% 303,756 $32M $104.55 -$10M +33,336 +12.3%
23 TPR 0.96% 204,470 $29M $141.11 $11M +62,386 +43.9%
24 FANG 0.96% 145,020 $29M $197.79 +145,020 NEW
25 CVX 0.94% 136,550 $28M $206.90 +136,550 NEW
26 VRT 0.94% 112,363 $28M $250.58 $8M -12,374 -9.9%
27 ULTA 0.88% 50,629 $26M $522.71 -$4M +688 +1.4%
28 TLH 0.87% 258,432 $26M $100.72 -$246K
29 ADI 0.83% 77,908 $25M $318.14 $8M +16,736 +27.4%
30 BKR 0.79% 387,190 $24M $61.05 $21M +334,110 +629.5%
31 BKNG 0.69% 4,896 $21M $4,210.32 -$9M -576 -10.5%
32 SNOW 0.68% 136,044 $21M $150.82 -$13M -15,148 -10.0%
33 MBB 0.65% 204,235 $19M $94.95 -$55K
34 RRC 0.62% 410,520 $19M $45.18 $16M +336,500 +454.6%
35 AMD 0.60% 88,954 $18M $203.43 -$4M -15,792 -15.1%
36 CF 0.56% 129,150 $17M $129.84 +129,150 NEW
37 DOCN 0.52% 182,249 $16M $85.78 $7M -2,740 -1.5%
38 AEIS 0.50% 46,623 $15M $322.71 $5M -2,510 -5.1%
39 JPM 0.50% 50,525 $15M $294.16 $480K +5,890 +13.2%
40 GH 0.49% 160,283 $15M $92.37 -$2M -4,760 -2.9%
41 TSLA 0.49% 39,180 $15M $371.75 $2M +11,080 +39.4%
42 TJX 0.48% 90,620 $14M $159.70 $552K
43 WMT 0.47% 113,270 $14M $124.28 $1M
44 TSM 0.46% 41,210 $14M $337.95 $3M +4,920 +13.6%
45 IGIB 0.46% 259,994 $14M $53.22 -$172K
46 NXT 0.46% 114,074 $14M $120.55 $5M +8,590 +8.1%
47 PR 0.45% 630,980 $13M $21.32 +630,980 NEW
48 FCFS 0.44% 70,730 $13M $188.00 $4M +9,530 +15.6%
49 MCHP 0.44% 204,874 $13M $64.61 -$20M -310,620 -60.3%
50 VIAV 0.42% 378,597 $13M $33.28 $6M +29,227 +8.4%
51 EQT 0.41% 193,845 $12M $63.64 $1M -11,920 -5.8%
52 UBER 0.41% 169,876 $12M $71.93 -$13M -139,260 -45.0%
53 TLT 0.40% 137,270 $12M $86.69 $4M +42,730 +45.2%
54 DY 0.37% 32,506 $11M $338.82 -$2M -5,660 -14.8%
55 XOM 0.37% 64,460 $11M $169.66 +64,460 NEW
56 BTSG 0.35% 247,200 $11M $42.61 $5M +88,600 +55.9%
57 HLIO 0.35% 160,409 $10M $64.71 $3M +13,660 +9.3%
58 XBI 0.34% 80,890 $10M $127.73 $469K
59 CAT 0.33% 13,920 $10M $708.46 $2M
60 LGND 0.32% 48,696 $10M $199.65 -$3M -18,040 -27.0%
61 WMB 0.32% 131,770 $10M $72.78 $2M +6,040 +4.8%
62 ESI 0.31% 273,884 $9M $34.14 $3M +10,380 +3.9%
63 FTI 0.31% 135,176 $9M $69.13 $393K -65,710 -32.7%
64 TSEM 0.31% 53,240 $9M $175.48 +53,240 NEW
65 VSEC 0.31% 50,086 $9M $184.40 $4M +17,430 +53.4%
66 JAZZ 0.31% 48,740 $9M $189.05 +48,740 NEW
67 FIVE 0.31% 40,110 $9M $228.48 $59K -8,230 -17.0%
68 EVR 0.30% 30,416 $9M $298.51 -$2M -1,630 -5.1%
69 TPC 0.30% 116,440 $9M $77.19 $2M +14,220 +13.9%
70 TTMI 0.30% 91,230 $9M $97.42 -$210K -40,620 -30.8%
71 GTX 0.30% 488,000 $9M $18.17 -$99K -26,400 -5.1%
72 HAS 0.30% 94,701 $9M $93.60 $3M +21,800 +29.9%
73 GE 0.29% 30,680 $9M $283.77 -$10M -30,700 -50.0%
74 STRL 0.29% 21,200 $9M $407.27 $2M -1,130 -5.1%
75 SOLS 0.29% 113,050 $9M $76.16 +113,050 NEW
76 ELAN 0.28% 355,950 $9M $23.93 $8M +321,440 +931.4%
77 LSCC 0.28% 91,639 $9M $92.76 $2M +2,620 +2.9%
78 GOOG 0.28% 29,610 $8M $286.86 $6M +22,610 +323.0%
79 SPXC 0.28% 41,567 $8M $199.94 -$2M -8,260 -16.6%
80 SMTC 0.28% 107,758 $8M $76.89 $699K +4,800 +4.7%
81 XOP 0.28% 45,340 $8M $181.83 +45,340 NEW
82 XLV 0.27% 56,130 $8M $146.61 -$460K
83 MOD 0.27% 37,850 $8M $216.71 $7M +25,890 +216.5%
84 BKD 0.27% 598,454 $8M $13.68 +598,454 NEW
85 KRYS 0.27% 31,630 $8M $258.32 $957K +2,370 +8.1%
86 APG 0.27% 200,263 $8M $40.52 $42K -10,730 -5.1%
87 BWA 0.27% 148,506 $8M $54.26 $968K -8,830 -5.6%
88 ASB 0.27% 311,423 $8M $25.86 $594K +21,850 +7.5%
89 PL 0.27% 285,650 $8M $27.95 $304K -103,820 -26.7%
90 ACA 0.26% 74,650 $8M $106.14 $3M +26,150 +53.9%
91 PAHC 0.26% 142,900 $8M $55.31 +142,900 NEW
92 WCC 0.26% 28,397 $8M $273.62 -$606K -5,840 -17.1%
93 KTOS 0.26% 109,634 $8M $70.51 -$4M -43,270 -28.3%
94 ADSK 0.26% 31,940 $8M $239.40 +31,940 NEW
95 LBRT 0.25% 264,789 $8M $28.80 +264,789 NEW
96 SF 0.25% 102,010 $8M $73.92 -$5M +3,480 +3.5%
97 BE 0.25% 55,045 $7M $135.49 $1M -14,570 -20.9%
98 GM 0.25% 99,280 $7M $74.50 -$677K
99 MCO 0.25% 16,900 $7M $436.25 +16,900 NEW
100 QXO 0.24% 375,807 $7M $19.42 $2M +92,280 +32.5%

New Positions

SymbolValue% Port
FANG $29M 0.96%
CVX $28M 0.94%
CF $17M 0.56%
PR $13M 0.45%
XOM $11M 0.37%
TSEM $9M 0.31%
JAZZ $9M 0.31%
SOLS $9M 0.29%
XOP $8M 0.28%
BKD $8M 0.27%
PAHC $8M 0.26%
ADSK $8M 0.26%
LBRT $8M 0.25%
MCO $7M 0.25%
KNX $7M 0.24%

Sold Out Positions

SymbolValue% Port
AR —%
TPB —%
HCI —%
CPRI —%
SPOT —%
BCS —%
CR —%
AMRC —%
VMI —%
PEN —%
BLD —%
DG —%
BX —%
ARLO —%
PLNT —%
View SEC EDGAR Filings for CASTLEARK MANAGEMENT LLC →

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms