SEC 13F Intelligence

Managers / Q3 2025 · view latest →

Atika Capital Management LLC

CIK 0001599731 · 475 TENTH AVENUE, 14TH FLOOR, NEW YORK, NY, 10018 · 212-408-2700

Reported Value
$1.2B
Q3 2025
Positions
258
Filings on Record
30
2019–present window
Filed
Nov 13, 2025
original filing

Summary

Atika Capital Management Llc reported $1.2B in U.S.-listed holdings across 258 positions for Q3 2025.

Its largest position, VRT, represents 4.3% of the portfolio.

Compared with Q2 2025, the fund opened 31 new positions and exited 11.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $340MQ4 ’18Q1 ’19: $492MQ2 ’19: $509MQ3 ’19: $475MQ4 ’19: $518MQ4 ’19Q1 ’20: $522MQ2 ’20: $774MQ3 ’20: $1.2BQ4 ’20: $1.3BQ4 ’20Q1 ’21: $1.2BQ2 ’21: $1.3BQ3 ’21: $1.7BQ4 ’21: $1.4BQ4 ’21Q1 ’22: $1.2BQ2 ’22: $890MQ3 ’22: $1.2BQ4 ’22: $695.5BQ4 ’22Q1 ’23: $677MQ2 ’23: $999MQ3 ’23: $762MQ4 ’23: $747MQ4 ’23Q1 ’24: $1.0BQ2 ’24: $1.0BQ3 ’24: $975MQ4 ’24: $941MQ4 ’24Q1 ’25: $711MQ2 ’25: $1000MQ3 ’25: $1.2BQ4 ’25: $950MQ4 ’25Q1 ’26: $796Mfilingsflow.com

Portfolio Composition

By security type
Common Stock: 85.0%Other: 12.2%ADR: 2.5%ETP: 0.3%
  • Common Stock · 85.0% · $1.1B
  • Other · 12.2% · $152M
  • ADR · 2.5% · $31M
  • ETP · 0.3% · $4M

Quarter-over-Quarter Changes full breakdown →

Holdings — Q3 2025

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Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$796M180May 14, 202613F-HRchanges · EDGAR ↗
Q4 2025$950M231Feb 13, 202613F-HRchanges · EDGAR ↗
Q3 2025$1.2B258Nov 13, 202513F-HRchanges · EDGAR ↗
Q2 2025$1000M189Aug 13, 202513F-HRchanges · EDGAR ↗
Q1 2025$711M186May 14, 202513F-HRchanges · EDGAR ↗
Q4 2024$941M252Feb 13, 202513F-HRchanges · EDGAR ↗
Q3 2024$975M252Nov 13, 202413F-HRchanges · EDGAR ↗
Q2 2024$1.0B273Aug 13, 202413F-HRchanges · EDGAR ↗
Q1 2024$1.0B264May 14, 202413F-HRchanges · EDGAR ↗
Q4 2023$747M228Feb 13, 202413F-HRchanges · EDGAR ↗
Q3 2023$762M225Nov 13, 202313F-HRchanges · EDGAR ↗
Q2 2023$999M248Aug 11, 202313F-HRchanges · EDGAR ↗
Q1 2023$677M231May 12, 202313F-HRchanges · EDGAR ↗
Q4 2022$695.5B195Feb 13, 202313F-HRchanges · EDGAR ↗
Q3 2022$1.2B272Nov 14, 202213F-HRchanges · EDGAR ↗
Q2 2022$890M228Aug 12, 202213F-HRchanges · EDGAR ↗
Q1 2022$1.2B210May 13, 202213F-HRchanges · EDGAR ↗
Q4 2021$1.4B264Feb 11, 202213F-HRchanges · EDGAR ↗
Q3 2021$1.7B342Nov 12, 202113F-HRchanges · EDGAR ↗
Q2 2021$1.3B285Aug 12, 202113F-HRchanges · EDGAR ↗
Q1 2021$1.2B270May 14, 202113F-HRchanges · EDGAR ↗
Q4 2020$1.3B327Feb 16, 202113F-HRchanges · EDGAR ↗
Q3 2020$1.2B318Nov 13, 202013F-HRchanges · EDGAR ↗
Q2 2020$774M282Aug 13, 202013F-HRchanges · EDGAR ↗
Q1 2020$522M252May 14, 202013F-HRchanges · EDGAR ↗
Q4 2019$518M228Feb 14, 202013F-HRchanges · EDGAR ↗
Q3 2019$475M146Nov 14, 201913F-HRchanges · EDGAR ↗
Q2 2019$509M154Aug 12, 201913F-HRchanges · EDGAR ↗
Q1 2019$492M143May 13, 201913F-HRchanges · EDGAR ↗
Q4 2018$340M140Feb 14, 201913F-HRchanges · EDGAR ↗

Other Included Managers

This filing reports holdings on behalf of 2 additional managers.

  • Atika Capital Partners LP028-16711
  • Optika Master Portfolio Ltd028-20128

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 ↗.