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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

VRTX holding history

Vertex Pharmaceuticals Inc in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

VRTX overviewAll 13F holders of VRTXFull Q2 2026 holdings

Shares (Q2 2026)
730
Value
$362.6K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of VRTX by Castleark Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026730$362.6K<0.1%00.0%UnchangedHolders
Q1 2026730$326.0K<0.1%00.0%UnchangedHolders
Q4 2025730$331.0K<0.1%00.0%UnchangedHolders
Q3 2025730$285.9K<0.1%00.0%UnchangedHolders
Q2 2025730$325.0K<0.1%−46,309−98.4%ReducedHolders
Q1 202547,039$22.8M0.8%+554+1.2%AddedHolders
Q4 202446,485$18.7M0.7%−36,240−43.8%ReducedHolders
Q3 202482,725$38.5M1.6%+35,922+76.8%AddedHolders
Q2 202446,803$21.9M0.9%+46,073+6,311.4%AddedHolders
Q1 2024730$305.1K<0.1%00.0%UnchangedHolders
Q4 2023730$297.0K<0.1%00.0%UnchangedHolders
Q3 2023730$253.8K<0.1%00.0%UnchangedHolders
Q2 2023730$256.9K<0.1%00.0%UnchangedHolders
Q1 2023730$230.0K<0.1%00.0%UnchangedHolders
Q4 2022730$210.8K<0.1%00.0%UnchangedHolders
Q3 2022730$211.0K<0.1%00.0%UnchangedHolders
Q2 2022730$206.0K<0.1%00.0%UnchangedHolders
Q1 2022730$191.0K<0.1%00.0%UnchangedHolders
Q4 2021730$160.0K<0.1%00.0%UnchangedHolders
Q3 2021730$132.0K<0.1%00.0%UnchangedHolders
Q2 2021730$147.0K<0.1%00.0%UnchangedHolders
Q1 2021730$157.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.