Atika Capital Management LLC
•CIK: 1599731•Filing: Q4 2025
**Atika Capital Management LLC** manages $878M across a diversified portfolio of 74 positions. The fund exhibits significant concentration in the technology and industrial sectors, notably holding XBI at $117.4M and VRT at $103.1M. Further top holdings include LLY ($44.2M) and ISRG ($32.4M), indicating a strategic focus on growth-oriented, market-leading names. This allocation profile suggests a conviction-driven, large-cap growth mandate.
Total AUM
$689.9M
+ $188.4M in options
QoQ Performance
-40.0%
Positions
62
+ 11 options
Top 10 Concentration
47.2%
Latest Filing
Q4 2025
Top Holdings Allocation
XBI
VRT
LLY
XBI13.4%
VRT11.7%
LLY5.0%
ISRG3.7%
IWM2.6%
SHOP2.3%
MDGL2.3%
BWXT2.1%
📈 Biggest Buys
📉 Biggest Sells
Sector Breakdown
Other87.0%
Healthcare5.0%
Consumer3.6%
Communication1.9%
Technology1.5%
Industrial0.9%
🚪 Exited Positionssold since Q3 2025
+35 more exited positions
Changes from Q3 2025
NEW33 new positions
↑14 increased
↓23 decreased
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023