CASTLEARK MANAGEMENT LLC - Stock Holdings in 13F Filings (SEC)
Updated on March 15, 2026.
Based on 13F Filings filed with the SEC on February 13, 2026, for the 2025 Q4 period, CASTLEARK MANAGEMENT LLC held in its portfolio 292 assets valued at $3,406,475,013 (i.e. $3.41B).
The most valuable assets in the portfolio included: NVIDIA CORPORATION ($262.62M), MICROSOFT CORP ($178.68M), and SPDR SERIES TRUST ($134.10M).
The chart below shows the top 10 valuable assets, and the table below shows the top 292 valuable assets.
You can see similar for other investment managers.
Related Topics: SEC Topic List.
Data Source: SEC.
CASTLEARK MANAGEMENT LLC - Stock Holdings in 13F Filings (SEC)
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| Name of Issuer | No. of Shares | Value ($) | Class |
|---|---|---|---|
| NVIDIA CORPORATION | 1408146 | 262619229 | COM |
| MICROSOFT CORP | 369460 | 178678245 | COM |
| SPDR SERIES TRUST | 3934340 | 134104680 | STATE STREET SPD |
| ALPHABET INC | 381639 | 119453007 | CAP STK CL A |
| AMAZON COM INC | 472149 | 108981432 | COM |
| APPLE INC | 387041 | 105220966 | COM |
| ELI LILLY & CO | 81578 | 87670245 | COM |
| META PLATFORMS INC | 122415 | 80804917 | CL A |
| VANGUARD SCOTTSDALE FDS | 1705540 | 80296823 | MTG-BKD SECS ETF |
| ISHARES TR | 3329569 | 76663326 | US TREAS BD ETF |
| BROADCOM INC | 205880 | 71255068 | COM |
| LAM RESEARCH CORP | 372876 | 63828914 | COM NEW |
| SCHWAB CHARLES CORP | 622535 | 62197472 | COM |
| VISA INC | 170478 | 59788339 | COM CL A |
| MASTERCARD INCORPORATED | 102451 | 58487227 | CL A |
| SHOPIFY INC | 345382 | 55596141 | CL A SUB VTG SHS |
| ARISTA NETWORKS INC | 411277 | 53889625 | COM SHS |
| SERVICENOW INC | 270420 | 41425640 | COM |
| BLACKSTONE INC | 244268 | 37651470 | COM |
| GILEAD SCIENCES INC | 277328 | 34039239 | COM |
| ISHARES TR | 347580 | 33378107 | MSCI EAFE ETF |
| SNOWFLAKE INC | 151192 | 33165477 | COM SHS |
| MICROCHIP TECHNOLOGY INC. | 515494 | 32847278 | COM |
| GE VERNOVA INC | 47741 | 31202085 | COM |
| ULTA BEAUTY INC | 49941 | 30214804 | COM |
| BOOKING HOLDINGS INC | 5472 | 29304366 | COM |
| ISHARES TR | 258432 | 26274781 | 10-20 YR TRS ETF |
| UBER TECHNOLOGIES INC | 309136 | 25259503 | COM |
| INSULET CORP | 80957 | 23011218 | COM |
| ADVANCED MICRO DEVICES INC | 104746 | 22432403 | COM |
| VERTIV HOLDINGS CO | 124737 | 20208641 | COM CL A |
| ISHARES TR | 204235 | 19447257 | MBS ETF |
| SPOTIFY TECHNOLOGY S A | 33465 | 19433460 | SHS |
| GE AEROSPACE | 61380 | 18906881 | COM NEW |
| TAPESTRY INC | 142084 | 18154073 | COM |
| DELTA AIR LINES INC DEL | 260740 | 18095356 | COM NEW |
| VANGUARD SCOTTSDALE FDS | 236450 | 17934733 | LG-TERM COR BD |
| GUARDANT HEALTH INC | 165043 | 16857492 | COM |
| ANALOG DEVICES INC | 61172 | 16589846 | COM |
| OLD DOMINION FREIGHT LINE IN | 95730 | 15010464 | COM |
| JPMORGAN CHASE & CO. | 44635 | 14382290 | COM |
| EATON CORP PLC | 44514 | 14178154 | SHS |
| ASCENDIS PHARMA A/S | 66336 | 14145489 | SPONSORED ADR |
| MORGAN STANLEY | 79470 | 14108309 | COM NEW |
| ISHARES TR | 259994 | 14008477 | ISHS 5-10YR INVT |
| TJX COS INC NEW | 90620 | 13920138 | COM |
| CITIGROUP INC | 117464 | 13706874 | COM NEW |
| DYCOM INDS INC | 38166 | 12896291 | COM |
| TESLA INC | 28100 | 12637132 | COM |
| WALMART INC | 113270 | 12619411 | COM |
| LIGAND PHARMACEUTICALS INC | 66736 | 12617776 | COM NEW |
| STIFEL FINL CORP | 98530 | 12337927 | COM |
| SITIME CORP | 33554 | 11850937 | COM |
| KRATOS DEFENSE & SEC SOLUTIO | 152904 | 11606943 | COM NEW |
| LUMENTUM HLDGS INC | 31153 | 11482684 | COM |
| EQT CORP | 205765 | 11029004 | COM |
| TAIWAN SEMICONDUCTOR MFG LTD | 36290 | 11028168 | SPONSORED ADS |
| PIPER SANDLER COMPANIES | 32456 | 11025628 | COM |
| EVERCORE INC | 32046 | 10903652 | CLASS A |
| SANMINA CORPORATION | 72459 | 10873922 | COM |
| BOEING CO | 48770 | 10588942 | COM |
| ADVANCED ENERGY INDS | 49133 | 10286976 | COM |
| SPX TECHNOLOGIES INC | 49827 | 9968390 | COM |
| XOMETRY INC | 167478 | 9959917 | CLASS A COM |
| FIRSTCASH HOLDINGS INC | 61200 | 9754056 | COM |
| GENEDX HOLDINGS CORP | 74016 | 9626521 | COM CL A |
| CECO ENVIRONMENTAL CORP | 156505 | 9366824 | COM |
| ROCKET COS INC | 481560 | 9323002 | COM CL A |
| INTERDIGITAL INC | 28936 | 9212644 | COM |
| NEXTPOWER INC | 105484 | 9188711 | CLASS A COM |
| FIVE BELOW INC | 48340 | 9105322 | COM |
| TTM TECHNOLOGIES INC | 131850 | 9097650 | COM |
| ARCUTIS BIOTHERAPEUTICS INC | 309430 | 8985847 | COM |
| GARRETT MOTION INC | 514400 | 8965992 | COM |
| TECHNIPFMC PLC | 200886 | 8951480 | COM |
| IRHYTHM TECHNOLOGIES INC | 50193 | 8906246 | COM |
| DIGITALOCEAN HLDGS INC | 184989 | 8901671 | COM |
| JBT MAREL CORPORATION | 58539 | 8820071 | COM |
| RAMBUS INC DEL | 95578 | 8782662 | COM |
| BRIDGEBIO PHARMA INC | 114017 | 8721160 | COM |
| PLANET FITNESS INC | 80305 | 8710683 | CL A |
| SELECT SECTOR SPDR TR | 56130 | 8688924 | STATE STREET HEA |
| MERCURY SYS INC | 118458 | 8648619 | COM |
| MADRIGAL PHARMACEUTICALS INC | 14466 | 8424130 | COM |
| WESCO INTL INC | 34237 | 8375740 | COM |
| FERRARI N V | 22352 | 8260405 | COM |
| ISHARES TR | 94540 | 8240106 | 20 YR TR BD ETF |
| HCI GROUP INC | 42585 | 8163119 | COM |
| MIRION TECHNOLOGIES INC | 348130 | 8153205 | COM CL A |
| ANTERO RESOURCES CORP | 234290 | 8073633 | COM |
| GENERAL MTRS CO | 99280 | 8073450 | COM |
| API GROUP CORP | 210993 | 8072592 | COM STK |
| CAPITAL ONE FINL CORP | 32920 | 7978491 | COM |
| CATERPILLAR INC | 13920 | 7974350 | COM |
| PEGASYSTEMS INC | 133167 | 7952733 | COM |
| VALMONT INDS INC | 19706 | 7928118 | COM |
| KINIKSA PHARMACEUTICALS INTL | 192192 | 7927920 | ORD SHS CL A |
| CREDO TECHNOLOGY GROUP HOLDI | 54916 | 7901863 | ORDINARY SHARES |
| HELIOS TECHNOLOGIES INC | 146749 | 7849604 | COM |
| CELSIUS HLDGS INC | 169842 | 7768573 | COM NEW |
| NATIONAL VISION HLDGS INC | 299666 | 7737376 | COM |
| GATES INDL CORP PLC | 357932 | 7684800 | ORD SHS |
| PLANET LABS PBC | 389470 | 7680348 | COM CL A |
| SEMTECH CORP | 102958 | 7586975 | COM |
| WILLIAMS COS INC | 125730 | 7557630 | COM |
| MARRIOTT INTL INC NEW | 24220 | 7514013 | CL A |
| ASSOCIATED BANC CORP | 289573 | 7459400 | COM |
| SIGNET JEWELERS LIMITED | 89388 | 7408477 | SHS |
| XPO INC | 54269 | 7375700 | COM |
| PTC THERAPEUTICS INC | 96860 | 7357486 | COM |
| HYATT HOTELS CORP | 45190 | 7244861 | COM CL A |
| KRYSTAL BIOTECH INC | 29260 | 7213760 | COM |
| AAR CORP | 86854 | 7190643 | COM |
| ESCO TECHNOLOGIES INC | 36662 | 7163388 | COM |
| BORGWARNER INC | 157336 | 7089560 | COM |
| IMPINJ INC | 40540 | 7054365 | COM |
| SOLARIS ENERGY INFRAS INC | 150996 | 6941286 | COM CL A |
| RHYTHM PHARMACEUTICALS INC | 64479 | 6901832 | COM |
| DOLLAR GEN CORP NEW | 51930 | 6894746 | COM |
| TUTOR PERINI CORP | 102220 | 6850784 | COM |
| STERLING INFRASTRUCTURE INC | 22330 | 6838116 | COM |
| ONTO INNOVATION INC | 42970 | 6783244 | COM |
| HERC HLDGS INC | 45600 | 6766128 | COM |
| TURNING PT BRANDS INC | 61944 | 6714730 | COM |
| ISHARES SILVER TR | 102570 | 6607559 | ISHARES |
| ELEMENT SOLUTIONS INC | 263504 | 6584965 | COM |
| LATTICE SEMICONDUCTOR CORP | 89019 | 6550018 | COM |
| SIMPSON MFG INC | 40432 | 6528555 | COM |
| SPDR GOLD TR | 16435 | 6513355 | GOLD SHS |
| CHARLES RIV LABS INTL INC | 32245 | 6432233 | COM |
| EXPAND ENERGY CORPORATION | 58200 | 6422952 | COM |
| ADAPTIVE BIOTECHNOLOGIES COR | 390874 | 6347794 | COM |
| ALPHATEC HLDGS INC | 296160 | 6231206 | COM NEW |
| VIAVI SOLUTIONS INC | 349370 | 6225773 | COM |
| SPINNAKER ETF SERIES | 147000 | 6193110 | SELECT STOXX EUR |
| BLOOM ENERGY CORP | 69615 | 6048847 | COM CL A |
| HASBRO INC | 72901 | 5977882 | COM |
| FABRINET | 13117 | 5971908 | SHS |
| BRIGHTSPRING HEALTH SVCS INC | 158600 | 5939570 | COM |
| PATRICK INDS INC | 53840 | 5837871 | COM |
| TOPBUILD CORP | 13907 | 5801861 | COM |
| ROBINHOOD MKTS INC | 50330 | 5692323 | COM CL A |
| MEDPACE HLDGS INC | 10122 | 5685021 | COM |
| VSE CORP | 32656 | 5641977 | COM |
| BEL FUSE INC | 33101 | 5614923 | CL B |
| AXON ENTERPRISE INC | 9819 | 5576505 | COM |
| TOLL BROTHERS INC | 41093 | 5556595 | COM |
| UNITED RENTALS INC | 6840 | 5535749 | COM |
| CHURCHILL DOWNS INC | 48570 | 5526295 | COM |
| CHENIERE ENERGY INC | 28426 | 5525730 | COM NEW |
| QXO INC | 283527 | 5469236 | COM NEW |
| NCINO INC | 205200 | 5261328 | COM |
| CONSTELLATION ENERGY CORP | 14810 | 5231929 | COM |
| ZETA GLOBAL HOLDINGS CORP | 256297 | 5215644 | CL A |
| ARCOSA INC | 48500 | 5156520 | COM |
| ISHARES TR | 24040 | 5056574 | RUS 1000 VAL ETF |
| FORD MTR CO | 380230 | 4988618 | COM |
| CAPRI HOLDINGS LIMITED | 203870 | 4974428 | SHS |
| TRANSOCEAN LTD | 1141690 | 4715180 | REGISTERED SHS |
| SOMNIGROUP INTERNATIONAL INC | 51235 | 4574261 | COM |
| TEXAS ROADHOUSE INC | 26920 | 4468720 | COM |
| HUB GROUP INC | 104810 | 4465954 | CL A |
| AXSOME THERAPEUTICS INC | 24253 | 4429568 | COM |
| HOME DEPOT INC | 12860 | 4425126 | COM |
| BARCLAYS PLC | 165235 | 4205231 | ADR |
| COINBASE GLOBAL INC | 17630 | 3986848 | COM CL A |
| ENERGY TRANSFER L P | 238240 | 3928578 | COM UT LTD PTN |
| HAEMONETICS CORP MASS | 48300 | 3871245 | COM |
| JONES LANG LASALLE INC | 11271 | 3792353 | COM |
| TARGA RES CORP | 19400 | 3579300 | COM |
| XERIS BIOPHARMA HOLDINGS INC | 445950 | 3500708 | COM |
| PEDIATRIX MEDICAL GROUP INC | 159090 | 3402935 | COM |
| LISTED FDS TR | 49640 | 3274254 | ROUNDHILL MAGNIF |
| INVESCO QQQ TR | 5320 | 3268129 | UNIT SER 1 |
| KINDER MORGAN INC DEL | 114730 | 3153928 | COM |
| TALEN ENERGY CORP | 8070 | 3024959 | COM |
| CRANE COMPANY | 16230 | 2993299 | COMMON STOCK |
| SILICON LABORATORIES INC | 22622 | 2956695 | COM |
| CRINETICS PHARMACEUTICALS IN | 62790 | 2922875 | COM |
| TC ENERGY CORP | 52460 | 2885825 | COM |
| VALERO ENERGY CORP | 17720 | 2884639 | COM |
| MPLX LP | 53112 | 2834587 | COM UNIT REP LTD |
| QUANTA SVCS INC | 6680 | 2819361 | COM |
| CALIX INC | 52920 | 2801056 | COM |
| IPG PHOTONICS CORP | 38690 | 2770204 | COM |
| CAMTEK LTD | 24580 | 2613960 | ORD |
| RANGE RES CORP | 74020 | 2609945 | COM |
| ENTERPRISE PRODS PARTNERS L | 79461 | 2547520 | COM |
| AEROVIRONMENT INC | 10283 | 2487355 | COM |
| BAKER HUGHES COMPANY | 53080 | 2417263 | CL A |
| COSTCO WHSL CORP NEW | 2800 | 2414552 | COM |
| ENBRIDGE INC | 50340 | 2407762 | COM |
| THREDUP INC | 373310 | 2385451 | CL A |
| ALPHABET INC | 7000 | 2196600 | CAP STK CL C |
| ISHARES TR | 16000 | 2191040 | RUS MD CP GR ETF |
| IONQ INC | 48320 | 2168118 | COM |
| AMERESCO INC | 73710 | 2158966 | CL A |
| EMCOR GROUP INC | 3440 | 2104558 | COM |
| PALO ALTO NETWORKS INC | 11185 | 2060277 | COM |
| VISTRA CORP | 12030 | 1940800 | COM |
| VITA COCO CO INC | 36560 | 1938046 | COM |
| ONEOK INC NEW | 25738 | 1891743 | COM |
| MASTEC INC | 8470 | 1841124 | COM |
| ISHARES TR | 3770 | 1784341 | RUS 1000 GRW ETF |
| DICKS SPORTING GOODS INC | 8440 | 1670867 | COM |
| ARLO TECHNOLOGIES INC | 118031 | 1651254 | COM |
| MAGNOLIA OIL & GAS CORP | 74790 | 1637153 | CL A |
| LINCOLN ELEC HLDGS INC | 6700 | 1605588 | COM |
| MODINE MFG CO | 11960 | 1596780 | COM |
| FTAI AVIATION LTD | 7826 | 1540548 | SHS |
| HDFC BANK LTD | 41260 | 1507640 | SPONSORED ADS |
| WESTERN MIDSTREAM PARTNERS L | 36200 | 1429900 | COM UNIT LP INT |
| INSMED INC | 7790 | 1355772 | COM PAR $.01 |
| ARCHROCK INC | 50690 | 1318954 | COM |
| GENIUS SPORTS LIMITED | 119226 | 1313871 | SHARES CL A |
| HESS MIDSTREAM LP | 37775 | 1303238 | CL A SHS |
| PLAINS ALL AMERN PIPELINE L | 70459 | 1265444 | UNIT LTD PARTN |
| ISHARES TR | 10840 | 1194460 | IBOXX INV CP ETF |
| QUALCOMM INC | 6950 | 1188798 | COM |
| DT MIDSTREAM INC | 9830 | 1176454 | COMMON STOCK |
| HUNT J B TRANS SVCS INC | 5660 | 1099964 | COM |
| MARTIN MARIETTA MATLS INC | 1760 | 1095882 | COM |
| C H ROBINSON WORLDWIDE INC | 6600 | 1061016 | COM NEW |
| SOFI TECHNOLOGIES INC | 39350 | 1030183 | COM |
| GUIDEWIRE SOFTWARE INC | 5100 | 1025151 | COM |
| TRANSDIGM GROUP INC | 770 | 1023985 | COM |
| ISHARES TR | 14480 | 993328 | EUROPE ETF |
| AMERICAN EXPRESS CO | 2675 | 989616 | COM |
| OCCIDENTAL PETE CORP | 23105 | 950078 | COM |
| NORDSON CORP | 3920 | 942486 | COM |
| CME GROUP INC | 3400 | 928472 | COM |
| ANTERO MIDSTREAM CORP | 52160 | 927926 | COM |
| TERADYNE INC | 4470 | 865213 | COM |
| PENUMBRA INC | 2686 | 835104 | COM |
| CARPENTER TECHNOLOGY CORP | 2580 | 812287 | COM |
| ELANCO ANIMAL HEALTH INC | 34510 | 780961 | COM |
| FIRST SOLAR INC | 2900 | 757567 | COM |
| SUNOCO LP/SUNOCO FIN CORP | 14450 | 757325 | COM UT REP LP |
| ROCKET LAB CORP | 10460 | 729690 | COM |
| INTUITIVE SURGICAL INC | 1200 | 679632 | COM NEW |
| SYNOPSYS INC | 1372 | 644456 | COM |
| PACCAR INC | 5774 | 632311 | COM |
| NEXTDECADE CORP | 106250 | 559938 | COM |
| CINTAS CORP | 2960 | 556687 | COM |
| ISHARES TR | 1720 | 555577 | RUS 2000 GRW ETF |
| CELESTICA INC | 1850 | 546879 | COM |
| PROCTER AND GAMBLE CO | 3800 | 544578 | COM |
| GENESIS ENERGY L P | 29980 | 467688 | UNIT LTD PARTN |
| USA COMPRESSION PARTNERS LP | 19990 | 459770 | COM UNIT LTDPAR |
| GOLAR LNG LTD | 12210 | 454334 | SHS |
| FIRST TR EXCHANGE-TRADED FD | 21262 | 435233 | GBL WND ENRG ETF |
| VIPER ENERGY INC | 10995 | 424737 | CL A |
| COMSTOCK RES INC | 18000 | 417240 | COM |
| ISHARES INC | 4930 | 398048 | MSCI JAPAN ETF |
| KODIAK GAS SVCS INC | 10580 | 395692 | COM |
| STARBUCKS CORP | 4620 | 389050 | COM |
| KINETIK HOLDINGS INC | 10370 | 373839 | COM NEW CL A |
| MATADOR RES CO | 8350 | 354374 | COM |
| FLEX LTD | 5710 | 344998 | ORD |
| VERTEX PHARMACEUTICALS INC | 730 | 330953 | COM |
| NATIONAL FUEL GAS CO | 4130 | 330648 | COM |
| NRG ENERGY INC | 2060 | 328034 | COM NEW |
| EOG RES INC | 3000 | 315030 | COM |
| ENTERGY CORP NEW | 3220 | 297625 | COM |
| FEDEX CORP | 1000 | 288860 | COM |
| NEXTERA ENERGY INC | 3590 | 288205 | COM |
| BKV CORP | 10510 | 285347 | COM |
| FASTENAL CO | 6920 | 277700 | COM |
| POWELL INDS INC | 830 | 264587 | COM |
| COCA COLA CO | 3397 | 237484 | COM |
| ISHARES TR | 1290 | 233761 | RUS 2000 VAL ETF |
| MOOG INC | 860 | 209453 | CL A |
| GENTEX CORP | 8620 | 200587 | COM |
| ISHARES INC | 3130 | 198849 | MSCI TAIWAN ETF |
| ISHARES INC | 3670 | 197923 | MSCI CDA ETF |
| ILLINOIS TOOL WKS INC | 770 | 189651 | COM |
| TRIMBLE INC | 2160 | 169236 | COM |
| CUMMINS INC | 300 | 153135 | COM |
| PRIMORIS SVCS CORP | 1120 | 139037 | COM |
| FISERV INC | 2000 | 134340 | COM |
| NIKE INC | 2000 | 127420 | CL B |
| STRYKER CORPORATION | 340 | 119500 | COM |
| ISHARES TR | 2000 | 109420 | MSCI EMG MKT ETF |
| FREEPORT-MCMORAN INC | 1950 | 99041 | CL B |
| ISHARES INC | 3770 | 98736 | MSCI AUST ETF |
| ISHARES INC | 1010 | 98192 | MSCI STH KOR ETF |
| PFIZER INC | 2971 | 73978 | COM |
| SOUTHWEST AIRLS CO | 1560 | 64475 | COM |
| RPM INTL INC | 580 | 60320 | COM |
| PAYCHEX INC | 360 | 40385 | COM |
| F5 INC | 140 | 35736 | COM |
| SEALED AIR CORP NEW | 720 | 29830 | COM |
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