Atika Capital Management LLC

CIK: 0001599731SEC EDGAR →

Portfolio Value

$949.0M

Holdings

74

As of

Q4 2025

New Positions

81

Closed Positions

0

Top 10 Holdings

RankStockSharesValue% of Portfolio
1
XBIPut

SPDR SERIES TRUST

9,625$116.0M
12.22%
2

VERTIV HOLDINGS CO

636,100$101.0M
10.64%
3
SATSCall

ECHOSTAR CORP

128,789$54.0M
5.69%
4

ELI LILLY & CO

41,100$42.0M
4.43%
5

INTUITIVE SURGICAL INC

57,216$31.0M
3.27%
6
TEVACall

TEVA PHARMACEUTICAL INDS

720,000$29.0M
3.06%
7
IWMPut

ISHARES TR

910$21.0M
2.21%
8

MADRIGAL PHARMACEUTICALS

34,000$19.0M
2.00%
9

SHOPIFY INC

124,000$19.0M
2.00%
10

AMAZON COM INC

80,000$17.0M
1.79%

Quarterly Changes

Top Buys

XBINEW
$116.0M
TEVANEW
$29.0M
IWMNEW
$21.0M
MDGLNEW
$19.0M
SATS↑ Increased
$18.3M

Top Sells

MSFTCLOSED
$85.5M
AMZN↓ Decreased
$70.2M
SPOTCLOSED
$43.9M
MLMCLOSED
$43.2M
ANETCLOSED
$33.7M

New Positions (36)

$116.0M · 10K shares
$29.0M · 720K shares
$21.0M · 910 shares
$19.0M · 34K shares
$16.0M · 506K shares
$13.0M · 52K shares
$12.0M · 321K shares
$12.0M · 42K shares
$11.0M · 52K shares
$8.0M · 22K shares
$7.0M · 116K shares
$7.0M · 26K shares
$7.0M · 25K shares
$7.0M · 420K shares
$7.0M · 2K shares
$6.0M · 334K shares
$5.0M · 101K shares
$4.0M · 135K shares
$4.0M · 35K shares
$4.0M · 249K shares
$3.0M · 207K shares
$3.0M · 29K shares
$3.0M · 2K shares
$3.0M · 816 shares
$3.0M · 225K shares
$3.0M · 62K shares
$3.0M · 118K shares
$3.0M · 94K shares
$3.0M · 4K shares
$1.0M · 94K shares
$1.0M · 30K shares
$1.0M · 760 shares
$1.0M · 130K shares
$1.0M · 88K shares
$0 · 2K shares
$0 · 3K shares

Closed Positions (43)

$85.5M · 165K shares
$43.9M · 63K shares
$43.2M · 68K shares
$33.7M · 231K shares
$33.4M · 118K shares
$31.2M · 95K shares
$26.1M · 42K shares
$26.1M · 36K shares
$24.1M · 123K shares
$21.7M · 45K shares
$20.2M · 180K shares
$19.7M · 143K shares
$18.8M · 176K shares
$17.3M · 121K shares
$17.3M · 212K shares
$13.9M · 188K shares
$13.8M · 74K shares
$13.7M · 39K shares
$9.4M · 6K shares
$8.8M · 301K shares
$8.5M · 9K shares
$7.5M · 46K shares
$7.5M · 44K shares
$7.1M · 22K shares
$6.6M · 174K shares
$5.5M · 90K shares
$5.3M · 90K shares
$5.2M · 31K shares
$4.7M · 260K shares
$4.6M · 81K shares
$4.5M · 224K shares
$4.2M · 1K shares
$3.8M · 12K shares
$3.6M · 2K shares
$3.2M · 355K shares
$2.6M · 114K shares
$2.3M · 69K shares
$1.6M · 1K shares
$1.5M · 500 shares
$1.2M · 276K shares
$764K · 3K shares
$756K · 25K shares
$441K · 16K shares

Sector Breakdown

Sector# HoldingsValue%
Healthcare21$215.0M25.6%
Industrials13$176.0M20.9%
Financial Services8$169.0M20.1%
Technology10$131.0M15.6%
Consumer Cyclical10$65.0M7.7%
Communication Services5$40.0M4.8%
Unknown5$28.0M3.3%
Utilities1$14.0M1.7%
Consumer Defensive1$3.0M0.4%