CASTLEARK MANAGEMENT LLC

All Holdings — 2025 Q4

Portfolio Concentration Analytics: 7.6
Risk-based ENB:
Total Positions
347
Quarter
2025 Q4
Top Holding
NVDA (7.7%)
Top 10 Concentration
34.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
1-25 of 347
Stock History Sector / Type Port % Prev % Rank / Prev Conviction Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
NVDA
NVIDIA CORPORAT...
Technology 7.71% 7.21% #1 1
Prev: #2
5.1 30,630 2.2%
P
S
1,408,146 $262,619,229 2020 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
MSFT
MICROSOFT CORP
Technology 5.25% 5.25% #2 1
Prev: #3
4.1 7,856 2.2%
P
S
369,460 $178,678,245 1999 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
GOOGL
ALPHABET INC
Communication Services 3.51% 2.55% #3 3
Prev: #6
3.4 7,760 2.1%
P
S
381,639 $119,453,007 2015 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
AMZN
AMAZON COM INC
Consumer Cyclical 3.20% 2.40% #4 3
Prev: #7
3.3 81,542 20.9%
P
S
472,149 $108,981,432 2008 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
AAPL
APPLE INC
Technology 3.09% 2.71% #5
Prev: #5
3.2 7,020 1.8%
P
S
387,041 $105,220,966 2001 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
LLY
ELI LILLY & CO
Healthcare 2.57% 0.95% #6 16
Prev: #22
3.3 37,025 83.1%
P
S
81,578 $87,670,245 2002 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
SPIB
SPDR SERIES TRU...
ETF 2.50% 2.39% #7 1
Prev: #8
1.0 no change no change
P
S
2,519,370 $85,179,900 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
META
META PLATFORMS ...
Communication Services 2.37% 3.03% #8 4
Prev: #4
1.0 -24,960 -16.9%
P
S
122,415 $80,804,917 2014 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
VMBS
VANGUARD SCOTTS...
ETF 2.36% 2.25% #9
Prev: #9
0.9 no change no change
P
S
1,705,540 $80,296,823 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
GOVT
ISHARES TR
ETF 2.25% 2.11% #10
Prev: #10
2.9 71,470 2.2%
P
S
3,329,569 $76,663,326 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
AVGO
BROADCOM INC
Technology 2.09% 1.90% #11
Prev: #11
0.8 -6 -0.0%
P
S
205,880 $71,255,068 2016 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
LRCX
LAM RESEARCH CO...
Technology 1.87% 1.89% #12
Prev: #12
0.8 -131,244 -26.0%
P
S
372,876 $63,828,914 2018 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
SCHW
SCHWAB CHARLES ...
Financial Services 1.83% 1.64% #13 2
Prev: #15
2.7 10,861 1.8%
P
S
622,535 $62,197,472 1999 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
V
VISA INC
Financial Services 1.76% 1.60% #14 3
Prev: #17
2.7 3,388 2.0%
P
S
170,478 $59,788,339 2014 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
MA
MASTERCARD INCO...
Financial Services 1.72% 1.60% #15 1
Prev: #16
2.7 2,122 2.1%
P
S
102,451 $58,487,227 2007 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
SHOP
SHOPIFY INC
Technology 1.63% 1.41% #16 2
Prev: #18
2.7 7,138 2.1%
P
S
345,382 $55,596,141 2016 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
ANET
ARISTA NETWORKS...
Technology 1.58% 1.64% #17 3
Prev: #14
2.6 8,798 2.2%
P
S
411,277 $53,889,625 2017 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
NOW
SERVICENOW INC
Technology 1.22% 1.37% #18 1
Prev: #19
2.8 217,442 410.4%
P
S
270,420 $41,425,640 2014 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
SPTS
SPDR SERIES TRU...
ETF 1.15% 1.10% #19 2
Prev: #21
0.5 no change no change
P
S
1,334,080 $39,061,862 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
BX
BLACKSTONE INC
Financial Services 1.11% 1.15% #20
Prev: #20
2.4 5,094 2.1%
P
S
244,268 $37,651,470 2019 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
GILD
GILEAD SCIENCES...
Healthcare 1.00% 0.44% #21 18
Prev: #39
2.7 136,296 96.6%
P
S
277,328 $34,039,239 2001 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
EFA
ISHARES TR
ETF 0.98% 0.91% #22 2
Prev: #24
0.4 no change no change
P
S
347,580 $33,378,107 2007 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
SNOW
SNOWFLAKE INC
Technology 0.97% 0.94% #23
Prev: #23
2.4 3,082 2.1%
P
S
151,192 $33,165,477 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
MCHP
MICROCHIP TECHN...
Technology 0.96% 0.85% #24 1
Prev: #25
2.4 43,150 9.1%
P
S
515,494 $32,847,278 2002 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
GEV
GE VERNOVA INC
Industrials 0.92% 0.80% #25 1
Prev: #26
2.4 1,168 2.5%
P
S
47,741 $31,202,085 2024 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
CARK
ADVISORS INNER ...
Unknown 0.00% 9.03%
Sold All 😨
(Was: #1)
0.3 -7,383,950 -100.0%
CLOSED
$— 2025 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
NFLX
NETFLIX INC
ETF 0.00% 1.85%
Sold All 😨
(Was: #13)
0.3 -54,948 -100.0%
CLOSED
$— 2003 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
DXCM
DEXCOM INC
Healthcare 0.00% 0.57%
Sold All 😨
(Was: #30)
0.3 -300,249 -100.0%
CLOSED
$— 2010 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
XRT
SPDR SERIES TRU...
ETF 0.00% 0.45%
Sold All 😨
(Was: #36)
0.3 -188,220 -100.0%
CLOSED
$— 2022 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
ORCL
ORACLE CORP
Technology 0.00% 0.40%
Sold All 😨
(Was: #47)
0.3 -51,200 -100.0%
CLOSED
$— 1999 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
LIF
LIFE360 INC
Technology 0.00% 0.30%
Sold All 😨
(Was: #58)
0.3 -100,802 -100.0%
CLOSED
$— 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
PNC
PNC FINL SVCS G...
Financial Services 0.00% 0.27%
Sold All 😨
(Was: #69)
0.3 -48,240 -100.0%
CLOSED
$— 2015 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
MPC
MARATHON PETE C...
Energy 0.00% 0.25%
Sold All 😨
(Was: #75)
0.3 -46,258 -100.0%
CLOSED
$— 2012 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
XTL
SPDR SERIES TRU...
ETF 0.00% 0.23%
Sold All 😨
(Was: #83)
0.3 -59,740 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
PM
PHILIP MORRIS I...
Consumer Defensive 0.00% 0.23%
Sold All 😨
(Was: #87)
0.3 -49,855 -100.0%
CLOSED
$— 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
AMSC
AMERICAN SUPERC...
Industrials 0.00% 0.23%
Sold All 😨
(Was: #88)
0.3 -135,617 -100.0%
CLOSED
$— 2008 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
RCL
ROYAL CARIBBEAN...
Consumer Cyclical 0.00% 0.22%
Sold All 😨
(Was: #92)
0.3 -24,310 -100.0%
CLOSED
$— 2025 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
SRAD
SPORTRADAR GROU...
Technology 0.00% 0.21%
Sold All 😨
(Was: #108)
0.3 -273,962 -100.0%
CLOSED
$— 2025 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
XHB
SPDR SERIES TRU...
Unknown 0.00% 0.18%
Sold All 😨
(Was: #122)
0.3 -59,240 -100.0%
CLOSED
$— 2012 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
PRCH
PORCH GROUP INC
Technology 0.00% 0.18%
Sold All 😨
(Was: #128)
0.3 -380,761 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
AGCO
AGCO CORP
Industrials 0.00% 0.17%
Sold All 😨
(Was: #133)
0.3 -56,415 -100.0%
CLOSED
$— 2007 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
VRNS
VARONIS SYS INC
Technology 0.00% 0.17%
Sold All 😨
(Was: #134)
0.3 -104,061 -100.0%
CLOSED
$— 2016 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
VC
VISTEON CORP
Consumer Cyclical 0.00% 0.16%
Sold All 😨
(Was: #135)
0.3 -48,885 -100.0%
CLOSED
$— 2015 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
RSI
RUSH STREET INT...
Consumer Cyclical 0.00% 0.16%
Sold All 😨
(Was: #137)
0.3 -281,986 -100.0%
CLOSED
$— 2025 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
KFY
KORN FERRY
Industrials 0.00% 0.15%
Sold All 😨
(Was: #140)
0.3 -77,641 -100.0%
CLOSED
$— 2009 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ITRI
ITRON INC
Technology 0.00% 0.15%
Sold All 😨
(Was: #143)
0.3 -42,070 -100.0%
CLOSED
$— 2001 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ALAB
ASTERA LABS INC
Technology 0.00% 0.14%
Sold All 😨
(Was: #145)
0.3 -26,221 -100.0%
CLOSED
$— 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
TGTX
TG THERAPEUTICS...
Healthcare 0.00% 0.14%
Sold All 😨
(Was: #146)
0.3 -140,316 -100.0%
CLOSED
$— 2020 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
TEX
TEREX CORP NEW
Industrials 0.00% 0.14%
Sold All 😨
(Was: #147)
0.3 -98,375 -100.0%
CLOSED
$— 2012 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ALK
ALASKA AIR GROU...
Industrials 0.00% 0.14%
Sold All 😨
(Was: #149)
0.3 -97,153 -100.0%
CLOSED
$— 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
WING
WINGSTOP INC
Consumer Cyclical 0.00% 0.13%
Sold All 😨
(Was: #152)
0.3 -17,843 -100.0%
CLOSED
$— 2019 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
AAP
ADVANCE AUTO PA...
Consumer Cyclical 0.00% 0.12%
Sold All 😨
(Was: #154)
0.3 -70,705 -100.0%
CLOSED
$— 2015 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
SAN
BANCO SANTANDER...
Financial Services 0.00% 0.12%
Sold All 😨
(Was: #156)
0.3 -405,515 -100.0%
CLOSED
$— 2025 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
MGNI
MAGNITE INC
Communication Services 0.00% 0.12%
Sold All 😨
(Was: #157)
0.3 -193,185 -100.0%
CLOSED
$— 2021 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
R
RYDER SYS INC
Industrials 0.00% 0.11%
Sold All 😨
(Was: #159)
0.3 -21,680 -100.0%
CLOSED
$— 2008 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
KNF
KNIFE RIVER COR...
Basic Materials 0.00% 0.11%
Sold All 😨
(Was: #164)
0.3 -51,539 -100.0%
CLOSED
$— 2023 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
ALGM
ALLEGRO MICROSY...
Technology 0.00% 0.11%
Sold All 😨
(Was: #165)
0.3 -133,508 -100.0%
CLOSED
$— 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
RIOT
RIOT PLATFORMS ...
Financial Services 0.00% 0.10%
Sold All 😨
(Was: #166)
0.3 -193,630 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
IAI
ISHARES TR
ETF 0.00% 0.10%
Sold All 😨
(Was: #170)
0.3 -19,520 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
AAOI
APPLIED OPTOELE...
Technology 0.00% 0.09%
Sold All 😨
(Was: #174)
0.3 -125,379 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
MCD
MCDONALDS CORP
Consumer Cyclical 0.00% 0.09%
Sold All 😨
(Was: #178)
0.3 -10,250 -100.0%
CLOSED
$— 2011 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
HSBC
HSBC HLDGS PLC
Financial Services 0.00% 0.08%
Sold All 😨
(Was: #181)
0.3 -42,100 -100.0%
CLOSED
$— 2025 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
ROAD
CONSTRUCTION PA...
Industrials 0.00% 0.08%
Sold All 😨
(Was: #182)
0.3 -23,305 -100.0%
CLOSED
$— 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
SNV
SYNOVUS FINL CO...
Financial Services 0.00% 0.08%
Sold All 😨
(Was: #187)
0.3 -54,880 -100.0%
CLOSED
$— 2015 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
HIMS
HIMS & HERS HEA...
Healthcare 0.00% 0.07%
Sold All 😨
(Was: #191)
0.3 -43,494 -100.0%
CLOSED
$— 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
TDW
TIDEWATER INC N...
Energy 0.00% 0.07%
Sold All 😨
(Was: #193)
0.3 -45,204 -100.0%
CLOSED
$— 2011 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
DE
DEERE & CO
Industrials 0.00% 0.06%
Sold All 😨
(Was: #195)
0.3 -4,620 -100.0%
CLOSED
$— 2006 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
DAVE
DAVE INC
Technology 0.00% 0.06%
Sold All 😨
(Was: #196)
0.3 -9,863 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
PLUG
PLUG POWER INC
Industrials 0.00% 0.05%
Sold All 😨
(Was: #204)
0.3 -728,110 -100.0%
CLOSED
$— 2020 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
FANG
DIAMONDBACK ENE...
Energy 0.00% 0.05%
Sold All 😨
(Was: #205)
0.3 -11,855 -100.0%
CLOSED
$— 2014 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
CORZ
CORE SCIENTIFIC...
Technology 0.00% 0.05%
Sold All 😨
(Was: #206)
0.3 -94,131 -100.0%
CLOSED
$— 2025 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
ENVX
ENOVIX CORPORAT...
Industrials 0.00% 0.05%
Sold All 😨
(Was: #207)
0.3 -168,590 -100.0%
CLOSED
$— 2025 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
HOLX
HOLOGIC INC
Healthcare 0.00% 0.02%
Sold All 😨
(Was: #239)
0.3 -8,790 -100.0%
CLOSED
$— 2005 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
CVX
CHEVRON CORP NE...
Energy 0.00% 0.01%
Sold All 😨
(Was: #243)
0.3 -3,170 -100.0%
CLOSED
$— 2001 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
MANH
MANHATTAN ASSOC...
Technology 0.00% 0.01%
Sold All 😨
(Was: #244)
0.3 -2,350 -100.0%
CLOSED
$— 2001 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
WHD
CACTUS INC
Energy 0.00% 0.01%
Sold All 😨
(Was: #254)
0.3 -7,290 -100.0%
CLOSED
$— 2024 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
BSX
BOSTON SCIENTIF...
Healthcare 0.00% 0.01%
Sold All 😨
(Was: #259)
0.3 -2,350 -100.0%
CLOSED
$— 2003 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
CORT
CORCEPT THERAPE...
Healthcare 0.00% 0.01%
Sold All 😨
(Was: #260)
0.3 -2,740 -100.0%
CLOSED
$— 2017 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
Showing 1-25 of 347 holdings

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