SEC 13F Intelligence

Managers / Q4 2018 · view latest →

CASTLEARK MANAGEMENT LLC

CIK 0001106832 · 1 N WACKER DR, STE 3950, CHICAGO, IL, 60606 · 3124569682

Reported Value
$2.3B
Q4 2018
Positions
365
Filings on Record
30
2019–present window
Filed
Feb 12, 2019
original filing

Summary

Castleark Management Llc reported $2.3B in U.S.-listed holdings across 365 positions for Q4 2018.

Its largest position, AMZN, represents 2.6% of the portfolio.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $2.3BQ4 ’18Q1 ’19: $2.7BQ2 ’19: $2.6BQ3 ’19: $2.5BQ4 ’19: $2.5BQ4 ’19Q1 ’20: $1.7BQ2 ’20: $2.3BQ3 ’20: $2.6BQ4 ’20: $2.7BQ4 ’20Q1 ’21: $2.8BQ2 ’21: $3.0BQ3 ’21: $2.6BQ4 ’21: $2.7BQ4 ’21Q1 ’22: $2.3BQ2 ’22: $1.9BQ3 ’22: $1.8BQ4 ’22: $1.91TQ4 ’22Q1 ’23: $2.0BQ2 ’23: $2.2BQ3 ’23: $2.0BQ4 ’23: $2.3BQ4 ’23Q1 ’24: $2.4BQ2 ’24: $2.4BQ3 ’24: $2.5BQ4 ’24: $2.9BQ4 ’24Q1 ’25: $2.9BQ2 ’25: $3.3BQ3 ’25: $3.6BQ4 ’25: $3.4BQ4 ’25Q1 ’26: $3.0Bfilingsflow.com

Portfolio Composition

By security type

Composition data arrives with ticker enrichment.

Quarter-over-Quarter Changes full breakdown →

Holdings — Q4 2018

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Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$3.0B292May 15, 202613F-HRchanges · EDGAR ↗
Q4 2025$3.4B294Feb 13, 202613F-HRchanges · EDGAR ↗
Q3 2025$3.6B284Nov 17, 202513F-HRchanges · EDGAR ↗
Q2 2025$3.3B275Aug 18, 202513F-HRchanges · EDGAR ↗
Q1 2025$2.9B280May 15, 202513F-HRchanges · EDGAR ↗
Q4 2024$2.9B283Feb 18, 202513F-HRchanges · EDGAR ↗
Q3 2024$2.5B272Nov 15, 202413F-HRchanges · EDGAR ↗
Q2 2024$2.4B271Aug 14, 202413F-HRchanges · EDGAR ↗
Q1 2024$2.4B278May 16, 202413F-HRchanges · EDGAR ↗
Q4 2023$2.3B281Feb 15, 202413F-HRchanges · EDGAR ↗
Q3 2023$2.0B274Nov 15, 202313F-HRchanges · EDGAR ↗
Q2 2023$2.2B274Aug 16, 202313F-HRchanges · EDGAR ↗
Q1 2023$2.0B272May 16, 202313F-HRchanges · EDGAR ↗
Q4 2022$1.91T282Feb 10, 202313F-HRchanges · EDGAR ↗
Q3 2022$1.8B284Nov 15, 202213F-HRchanges · EDGAR ↗
Q2 2022$1.9B306Aug 16, 202213F-HRchanges · EDGAR ↗
Q1 2022$2.3B321May 16, 202213F-HRchanges · EDGAR ↗
Q4 2021$2.7B326Feb 16, 202213F-HRchanges · EDGAR ↗
Q3 2021$2.6B328Nov 12, 202113F-HRchanges · EDGAR ↗
Q2 2021$3.0B335Aug 17, 202113F-HRchanges · EDGAR ↗
Q1 2021$2.8B330May 14, 202113F-HRchanges · EDGAR ↗
Q4 2020$2.7B328Feb 17, 202113F-HRchanges · EDGAR ↗
Q3 2020$2.6B343Nov 16, 202013F-HRchanges · EDGAR ↗
Q2 2020$2.3B334Aug 14, 202013F-HRchanges · EDGAR ↗
Q1 2020$1.7B336May 13, 202013F-HRchanges · EDGAR ↗
Q4 2019$2.5B341Feb 14, 202013F-HRchanges · EDGAR ↗
Q3 2019$2.5B350Nov 15, 201913F-HRchanges · EDGAR ↗
Q2 2019$2.6B347Aug 13, 201913F-HRchanges · EDGAR ↗
Q1 2019$2.7B360May 14, 201913F-HRchanges · EDGAR ↗
Q4 2018$2.3B365Feb 12, 201913F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.