Sign in

You're signed outSign in or to get full access.

Atika Capital Management LLC

CIK:0001599731
Investment Adviser
$123M AUM
63 holdings
New York, NY, United States
Founded:2013
10 employees
Latest filing:Jun 30, 2025

Atika Capital Management LLC is an investment adviser based in New York, NY, founded in February 2013 by Bradley Farber. The firm specializes in asset management and serves institutional clients through its investment advisory services.

Investment Strategy

Atika Capital Management LLC adopts a fundamentally driven, research-intensive approach to its investment strategy, focusing on public equities and options. The firm primarily manages a concentrated portfolio and actively analyzes sector-specific trends to identify undervalued securities with asymmetric risk/reward profiles. The strategy incorporates both long and short positions based on deep industry and company research.

Latest 13F Filing Activity

Atika Capital Management LLC filed their most recent 13F report on Jun 30, 2025 disclosing 56 equity positions and 6 options positions with a total 13F market value of $1000M. The fund increased holdings in Vertiv Holdings Co., Microsoft Corp., Amazon Com Inc. among other positions. Atika Capital Management LLC reduced exposure to Rxsight Inc., Tarsus Pharmaceuticals Inc., Insmed Inc. among others.

Top Buys
V
VRTVERTIV HOLDINGS CO
+$43.6M
M
MSFTMICROSOFT CORP
+$38.2M
A
AMZNAMAZON COM INC
+$27.8M
C
CEGCONSTELLATION ENERGY CORP
+$22.3M
B
BWXTBWX TECHNOLOGIES INC
+$19.7M
Top Sells
R
RXSTRXSIGHT INC
-$8.3M
T
TARSTARSUS PHARMACEUTICALS INC
-$7.4M
I
INSMINSMED INC
-$7.3M
E
ERJEMBRAER S.A.
-$6.9M
T
TEVATEVA PHARMACEUTICAL INDS LTD
-$6.7M

Top Holdings

A
AMZNAMAZON COM INC
+8.7%$87.4M
V
VRTVERTIV HOLDINGS CO
+7.9%$78.7M
M
MSFTMICROSOFT CORP
+7.9%$78.6M
S
SPOTSPOTIFY TECHNOLOGY S A
+4.8%$48.0M
M
MLMMARTIN MARIETTA MATLS INC
+4.0%$39.8M

Equity Positions (56)

TickerSecurityWeightMarket ValueSharesAvg CostPriceChange (QoQ)
AMAZON COM INC8.74%$87.4M398,249$185.93$219.39+$27.8M
VERTIV HOLDINGS CO7.87%$78.7M613,100$61.24$128.41+$43.6M
MICROSOFT CORP7.86%$78.6M158,000$369.31$497.41+$38.2M
SPOTIFY TECHNOLOGY S A4.80%$48.0M62,520$397.30$767.34+$14.0M
MARTIN MARIETTA MATLS INC3.98%$39.8M72,533$446.60$548.96+$13.2M

Options Positions (6)

TickerSecurityActionTypeNotional ValueContractsUnderlying PricePremium PaidChange (Contracts)Change (Value)
ECHOSTAR CORPNew
Call
$12.1M44$27.70$27.70+43.7+$12.1M
AMAZON COM INCNew
Call
$11.0M5$219.39$219.39+5+$11.0M
UBER TECHNOLOGIES INCNew
Call
$9.3M10$93.30$93.30+10+$9.3M
MEDTRONIC PLCNew
Call
$6.3M7$87.17$87.17+7.2+$6.3M
FLOOR & DECOR HLDGS INCNew
Call
$2.3M3$75.96$75.96+3+$2.3M

Industry Allocation

SERVICES-PREPACKAGED SOFTWARE
+16.7%
PHARMACEUTICAL PREPARATIONS
+9.4%
ELECTRONIC COMPONENTS, NEC
+7.4%
RETAIL-CATALOG & MAIL-ORDER HOUSES
+7.0%
ELECTRIC SERVICES
+6.8%