Atika Capital Management LLC Portfolio Holdings

Atika Capital Management LLC

  • $825 Million
  • Q2 2025

Atika Capital Management LLC has filed its 13F form on August 13, 2025 for Q2 2025 where it was disclosed a total value porftolio of $825 Million distributed in 189 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Amazon Com Inc with a value of $87.4M, Microsoft Corp with a value of $78.6M, Vertiv Holdings CO with a value of $53.1M, Spotify Technology S.A. with a value of $48M, and Martin Marietta Materials Inc with a value of $39.8M.

Examining the 13F form we can see an increase of $230M in the current position value, from $595M to 825M.

Atika Capital Management LLC is based out at New York, NY

Below you can find more details about Atika Capital Management LLC portfolio as well as his latest detailed transactions.

Portfolio value $825 Million
Healthcare: $180 Million
Technology: $178 Million
Communication Services: $124 Million
Consumer Cyclical: $123 Million
Industrials: $113 Million
Utilities: $54.6 Million
Basic Materials: $39.8 Million
Financial Services: $12.8 Million
Other: $0

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$2.26T
$87.4 Million 10.59% of portfolio
398,249
Q2 2025 Added 27.13%
$3.95T
$78.6 Million 9.53% of portfolio
158,000
Q2 2025 Added 46.98%
$32.7B
$53.1 Million 6.44% of portfolio
613,100
Q2 2025 Added 25.87%
$133B
$48 Million 5.82% of portfolio
62,520
Q2 2025 Added 1.17%
$38.4B
$39.8 Million 4.83% of portfolio
72,533
Q2 2025 Added 30.38%
$4.25B
$33 Million 4.0% of portfolio
319,500
Q2 2025 Added 21.25%
$169B
$32.4 Million 3.93% of portfolio
59,600
Q2 2025 Added 8.17%
$608B
$32 Million 3.88% of portfolio
41,100
Q2 2025 Added 24.17%
$111B
$30.6 Million 3.71% of portfolio
94,800
Q2 2025 Added 129.54%
$16.3B
$30.3 Million 3.67% of portfolio
210,400
Q2 2025 Added 95.9%
$1.78T
$28 Million 3.4% of portfolio
38,000
Q2 2025 Added 99.99%
$118B
$26.1 Million 3.17% of portfolio
10,000
Q2 2025 Added 26.12%
$87.2B
$24 Million 2.91% of portfolio
124,000
Q2 2025 Added 6.9%
$2.39B
$21 Million 2.55% of portfolio
161,900
Q2 2025 Added 0.81%
$95.5B
$20.4 Million 2.48% of portfolio
218,100
Q2 2025 Added 52.52%
$6.41B
$20.1 Million 2.44% of portfolio
212,500
Q2 2025 Added 2.1%
$545B
$16.1 Million 1.95% of portfolio
12,000
Q2 2025 Reduced 25.93%
$17B
$15.8 Million 1.92% of portfolio
38,855
Q2 2025 Reduced 9.0%
$57.3B
$13.5 Million 1.63% of portfolio
68,801
Q2 2025 Added 91.11%
$70.6B
$11.5 Million 1.39% of portfolio
109,000
Q2 2025 New
$5.5B
$10.2 Million 1.24% of portfolio
44,500
Q1 2025 Reduced 22.34%
$1.82B
$9.53 Million 1.16% of portfolio
414,200
Q2 2025 New
$456B
$9.29 Million 1.13% of portfolio
58,800
Q2 2025 Added 13.08%
$52.9B
$9.03 Million 1.1% of portfolio
27,700
Q2 2025 New
$157B
$8.63 Million 1.05% of portfolio
22,298
Q2 2025 Added 4.2%
$9.89B
$8.65 Million 1.05% of portfolio
21,100
Q2 2025 Reduced 9.44%
$14.4B
$8.39 Million 1.02% of portfolio
49,200
Q2 2025 New
$306B
$8.09 Million 0.98% of portfolio
31,441
Q2 2025 Reduced 35.17%
$178B
$8.01 Million 0.97% of portfolio
69,400
Q2 2025 Added 39.45%
$15.5B
$7.86 Million 0.95% of portfolio
46,497
Q2 2025 Reduced 35.12%
$14.6B
$7.32 Million 0.89% of portfolio
50,000
Q2 2025 Added 34.21%
$15.1B
$7.01 Million 0.85% of portfolio
28,600
Q2 2025 New
$2.18B
$6.4 Million 0.78% of portfolio
146,600
Q2 2025 New
$19.3B
$5.62 Million 0.68% of portfolio
11,500
Q2 2025 New
$3B
$5.49 Million 0.67% of portfolio
269,300
Q2 2025 Reduced 35.88%
$4.51B
$4.81 Million 0.58% of portfolio
46,121
Q2 2025 Reduced 37.42%
$203M
$4.61 Million 0.56% of portfolio
354,907
Q2 2025 Reduced 30.79%
$5.63B
$4.64 Million 0.56% of portfolio
89,200
Q2 2025 Added 4.33%
$10.2B
$3.92 Million 0.48% of portfolio
44,600
Q2 2025 Reduced 38.23%
$10.9B
$2.83 Million 0.34% of portfolio
16,400
Q2 2025 Reduced 53.41%
$1.27T
$2.26 Million 0.27% of portfolio
10,000
Q2 2025 New
$5.62B
$1.67 Million 0.2% of portfolio
10,600
Q2 2025 New
$2.34B
$982,000 0.12% of portfolio
44,800
Q2 2025 New
$994M
$670,000 0.08% of portfolio
24,200
Q2 2025 Reduced 88.1%
$1.32B
$275,000 0.03% of portfolio
16,400
Q2 2025 New
Hinge Health Inc
-
$0 0.0% of portfolio
-
Q2 2025 New
Tko Group Holdings Inc
-
$0 0.0% of portfolio
-
Q2 2025 Reduced 16.29%
Arista Networks Inc
-
$0 0.0% of portfolio
-
Q2 2025 Added 22.25%
Talen Energy Corp
-
$0 0.0% of portfolio
-
Q2 2025 Reduced 17.13%

Summary

  • Portfolio
  • No. of Stocks 189
  • Current Value $825 Million
  • Prior Value $595 Million
  • Filing
  • Period Q2 2025
  • Filing Date August 13, 2025
  • Form Type 13F-HR
  • Activity in Q2 2025
  • New Purchases 15 stocks
  • Additional Purchases 25 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 15 stocks
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