Castleark Management Llc
Source: SEC Form 13F · as of Mar 2026Castleark Management Llc holds 25 biotech & pharma companies tracked by BioSniper, totaling $244.5M in value as of Mar 2026 (SEC Form 13F).
Companies held
25
Total value held
$244.5M
| Company | Shares | Value |
|---|---|---|
| LLYELI LILLY & Co | 73,478 | $67.6M |
| GILDGILEAD SCIENCES, INC. | 342,150 | $47.7M |
| GHGuardant Health Inc. | 160,283 | $14.8M |
| LGNDLigand Pharmaceuticals Incorporated | 48,696 | $9.7M |
| JAZZJazz Pharmaceuticals plc | 48,740 | $9.2M |
| KNSAKiniksa Pharmaceuticals International, plc | 181,512 | $8.7M |
| ELANElanco Animal Health Inc | 355,950 | $8.5M |
| KRYSKrystal Biotech, Inc. | 31,630 | $8.2M |
| PAHCPHIBRO ANIMAL HEALTH CORP | 142,900 | $7.9M |
| GMOptec International, Inc. | 99,280 | $7.4M |
| ARQTArcutis Biotherapeutics, Inc. | 293,460 | $6.9M |
| CRLCHARLES RIVER LABORATORIES INTERNATIONAL, INC. | 39,435 | $6.8M |
| PTCTPTC THERAPEUTICS, INC. | 91,880 | $6.3M |
| BBIOBridgeBio Pharma, Inc. | 81,737 | $6.1M |
| MEDPMedpace Holdings Inc. | 10,030 | $4.8M |
| RYTMRHYTHM PHARMACEUTICALS, INC. | 52,279 | $4.5M |
| AXSMAxsome Therapeutics, Inc. | 22,973 | $3.9M |
| IQVIQVIA Holdings Inc. | 22,580 | $3.9M |
| XENEXenon Pharmaceuticals Inc. | 64,563 | $3.8M |
| MDGLMADRIGAL PHARMACEUTICALS, INC. | 5,296 | $2.8M |
| COGTCogent Biosciences, Inc. | 63,950 | $2.5M |
| INSMINSMED Inc | 7,790 | $1.3M |
| SUNSUNSET ISLAND GROUP | 14,450 | $939K |
| VRTXVERTEX PHARMACEUTICALS INC / MA | 730 | $326K |
| PFEPFIZER INC | 2,971 | $83K |
13F holdings reflect long positions in U.S.-listed securities as reported to the SEC. Values are point-in-time for the most recent reported quarter.