We are live on ! Find out more
ACM

Atika Capital Management Portfolio holdings

AUM $1.52B
1-Year Est. Return 229.41%
This Fund
S&P 500
This Quarter Est. Return
+67.26%
1 Year Est. Return
+229.41%
3 Year Est. Return
+810.62%
5 Year Est. Return
+1,830.01%
10 Year Est. Return
+67,312.86%
AUM
$1.52B
AUM Growth
+$725M
Cap. Flow
+$143M
Cap. Flow %
9.43%
Top 10 Hldgs %
50.26%
Holding
104
New
44
Increased
15
Reduced
13
Closed
23

Top Buys

Rank Stock Value
1
AMD icon
Advanced Micro Devices
AMD
+$39.2M
2
INTC icon
Intel
INTC
+$26.7M
3
STX icon
Seagate
STX
+$20.1M
4
ECHO
EchoStar
ECHO
+$18.3M
5
AXSM icon
Axsome Therapeutics
AXSM
+$13.7M

Top Sells

Rank Stock Value
1
TERN
Terns Pharmaceuticals
TERN
+$15.8M
2
NET icon
Cloudflare
NET
+$13.4M
3
GOOG icon
Alphabet (Google) Class C
GOOG
+$12.4M
4
ORKA
Oruka Therapeutics
ORKA
+$8.66M
5
MTZ icon
MasTec
MTZ
+$8.46M

Sector Composition

Rank Sector Weight
1 Miscellaneous 33.76%
2 Technology 20.12%
3 Healthcare 19.16%
4 Industrials 18.7%
5 Communication Services 3.59%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
DNTH icon
26
Dianthus Therapeutics
DNTH
$6.05B
$16.1M 1.06%
165,000
+36,200
+28% +$3.16M
DRAM
27
PUT
Roundhill Memory ETF
DRAM
$28B
$15.5M 1.02%
+2,100
New +$109K
AXSM icon
28
Axsome Therapeutics
AXSM
$10.8B
$15.4M 1.01%
+63,000
New +$13.7M
TEVA icon
29
Teva Pharmaceuticals
TEVA
$42.4B
$14.9M 0.98%
440,000
-37,000
-8% -$1.23M
MTZ icon
30
MasTec
MTZ
$19B
$14.8M 0.97%
35,500
-22,136
-38% -$8.46M
SN icon
31
SharkNinja
SN
$24.4B
$13.4M 0.88%
+88,000
New +$10.5M
NFLX icon
32
Netflix
NFLX
$326B
$12.9M 0.84%
180,000
– –
CW icon
33
Curtiss-Wright
CW
$20.9B
$12.1M 0.8%
16,000
+3,000
+23% +$2.2M
KYMR icon
34
Kymera Therapeutics
KYMR
$9.76B
$11.9M 0.78%
+104,000
New +$8.94M
STUB
35
CALL
StubHub Holdings
STUB
$2.52B
$11.6M 0.76%
+9,000
New +$79.4K
SITM icon
36
SiTime
SITM
$18.4B
$11.2M 0.74%
15,000
+195
+1% +$123K
TWST icon
37
Twist Bioscience
TWST
$8.21B
$11.1M 0.73%
+108,000
New +$7.03M
REAL icon
38
The RealReal
REAL
$1.2B
$11.1M 0.73%
940,000
+488,945
+108% +$5.21M
COGT icon
39
Cogent Biosciences
COGT
$6.03B
$10.5M 0.69%
272,000
-21,200
-7% -$742K
BWXT icon
40
BWX Technologies
BWXT
$14.4B
$10.5M 0.69%
54,000
-28,550
-35% -$5.95M
AMZN icon
41
Amazon
AMZN
$2.79T
$10.5M 0.69%
44,000
+300
+0.7% +$75.3K
TBBB icon
42
BBB Foods
TBBB
$6B
$10.4M 0.68%
250,000
+154,782
+163% +$5.91M
AXGN icon
43
Axogen
AXGN
$2.6B
$10.2M 0.67%
+221,000
New +$8.91M
NOK icon
44
Nokia
NOK
$56.2B
$9.96M 0.65%
+750,000
New +$9.65M
ORKA
45
Oruka Therapeutics
ORKA
$6.13B
$9.52M 0.63%
100,000
-129,900
-57% -$8.66M
TTMI icon
46
TTM Technologies
TTMI
$13.2B
$9.35M 0.61%
50,000
-43,000
-46% -$6.94M
CRL icon
47
Charles River Laboratories
CRL
$13.8B
$8.62M 0.57%
+38,000
New +$6.77M
ALKS icon
48
CALL
Alkermes
ALKS
$7.73B
$8.38M 0.55%
+1,600
New +$62.5K
ACMR icon
49
ACM Research
ACMR
$5.18B
$7.99M 0.53%
+63,000
New +$4.45M
ROIV icon
50
Roivant Sciences
ROIV
$25.2B
$7.68M 0.5%
+217,000
New +$6.41M
1
2
3 4 5

Similar funds

ACM
Adelante Capital Management Alameda, California $1.52B AUM 23.15% 1-Year Est. Return
MP
Mangrove Partners Greenwich, Connecticut $1.52B AUM 36.54% 1-Year Est. Return
MIM
Marco Investment Management Atlanta, Georgia $1.52B AUM 47.33% 1-Year Est. Return
RW
RVW Wealth Los Angeles, California $1.52B AUM 23.06% 1-Year Est. Return
AU
Algebris (UK) London, United Kingdom $1.52B AUM 3.09% 1-Year Est. Return
WFA
Wellspring Financial Advisors Cleveland, Ohio $1.52B AUM 29.68% 1-Year Est. Return
KCMH
Kontiki Capital Management (HK) Hong Kong $1.52B AUM 10.48% 1-Year Est. Return
SC
Styrax Capital New York $1.52B AUM 57.44% 1-Year Est. Return

Atika Capital Management's Q2 2026 Portfolio in Review

As of Q2 2026, Atika Capital Management held 104 positions worth $1.52B, up 91% from $796M the previous quarter. Its ten largest holdings account for 50% of the portfolio.

Atika Capital Management deployed $143M of net new capital in Q2 2026, opening 44 new positions and adding to 15 existing holdings. Its largest new stake was Advanced Micro Devices: 95,500 shares worth $55.5M.

By sector, the portfolio is most concentrated in Miscellaneous at 34% of assets, up from 21% a quarter earlier, followed by Technology and Healthcare.

On the sell side, the largest reduction was Oruka Therapeutics, an estimated $8.66M trimmed.

  • Atika Capital Management's largest Q2 2026 buy was Advanced Micro Devices: 95,500 shares worth $55.5M.
  • Atika Capital Management added most to Seagate in Q2 2026, an estimated $20.1M increase.
  • Atika Capital Management's biggest Q2 2026 reduction was Oruka Therapeutics, cutting an estimated $8.66M.
  • Atika Capital Management fully exited Terns Pharmaceuticals in Q2 2026, selling an estimated $15.8M.
  • Atika Capital Management's ten largest holdings make up 50% of its $1.52B portfolio in Q2 2026.
  • Atika Capital Management opened 44 new positions and closed 23 in Q2 2026.
  • Atika Capital Management's portfolio value rose 91% quarter-over-quarter to $1.52B.

Based on Atika Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.