Atika Capital Management LLC Top Holdings and 13F Report (2025)

About Atika Capital Management LLC

Investment Activity

Atika Capital Management LLC has $941.40 million in total holdings as of December 31, 2024.
Atika Capital Management LLC owns shares of 83 different stocks, but just 43 companies or ETFs make up 80% of its holdings.
Approximately 38.33% of the portfolio was purchased this quarter.
About 49.88% of the portfolio was sold this quarter.
This quarter, Atika Capital Management LLC has purchased 82 new stocks and bought additional shares in 13 stocks.
Atika Capital Management LLC sold shares of 33 stocks and completely divested from 30 stocks this quarter.

Largest Holdings

Microsoft: $45,311,251
iShares Russell 2000 ETF: $44,192,000
Vertiv: $40,098,764
Amazon.com: $39,545,048
Apple: $37,563,000

Largest New Holdings this Quarter

iShares Russell 2000 ETF: $44,192,000 Holding
Apple: $37,563,000 Holding
iShares 20+ Year Treasury Bond ETF: $34,932,000 Holding
Tesla: $24,230,400 Holding
ARISTA NETWORKS INC: $23,167,088 Holding

Largest Purchases this Quarter

iShares Russell 2000 ETF: 2,000 shares (about $44.19M)
Apple: 1,500 shares (about $37.56M)
iShares 20+ Year Treasury Bond ETF: 4,000 shares (about $34.93M)
Tesla: 600 shares (about $24.23M)
ARISTA NETWORKS INC: 209,600 shares (about $23.17M)

Largest Sales this Quarter

NVIDIA: 569,500 shares (about $76.48M)
Medical Properties Trust: 186,000 shares (about $73.47M)
MercadoLibre: 14,500 shares (about $24.66M)
Meta Platforms: 21,200 shares (about $12.41M)
Amazon.com: 51,750 shares (about $11.35M)

Sector Allocation Over Time

Selling

Neutral

Buying

Latest 13F Holdings and Changes Since Previous Quarterly Filing

Issuer Name	Holdings Value	Approximate Purchase/Sale	Change in Shares	Shares Held	% of Portfolio	Sector
MSFT Microsoft	$45,311,251		0.0%	107,500	4.8%	Computer and Technology
IWM iShares Russell 2000 ETF	$44,192,000	$44,192,000 ▲	New Holding	2,000	4.7%	Finance
VRT Vertiv	$40,098,764	$96,682 ▲	0.2%	352,951	4.3%	Computer and Technology
AMZN Amazon.com	$39,545,048	$11,353,433 ▼	-22.3%	180,250	4.2%	Retail/Wholesale
AAPL Apple	$37,563,000	$37,563,000 ▲	New Holding	1,500	4.0%	Computer and Technology
GKOS Glaukos	$35,910,631	$224,910 ▼	-0.6%	239,500	3.8%	Medical
TLT iShares 20+ Year Treasury Bond ETF	$34,932,000	$34,932,000 ▲	New Holding	4,000	3.7%	ETF
INSP Inspire Medical Systems	$29,215,888	$444,912 ▼	-1.5%	157,600	3.1%	Medical
ISRG Intuitive Surgical	$27,977,056	$313,176 ▼	-1.1%	53,600	3.0%	Medical
LLY Eli Lilly and Company	$25,205,800		0.0%	32,650	2.7%	Medical
MLM Martin Marietta Materials	$24,327,151	$8,573,900 ▲	54.4%	47,100	2.6%	Construction
TSLA Tesla	$24,230,400	$24,230,400 ▲	New Holding	600	2.6%	Auto/Tires/Trucks
ARISTA NETWORKS INC	$23,167,088	$23,167,088 ▲	New Holding	209,600	2.5%	COM SHS
SPOT Spotify Technology	$18,611,008	$402,642 ▲	2.2%	41,600	2.0%	Business Services
TALEN ENERGY CORP	$17,326,420	$604,410 ▼	-3.4%	86,000	1.8%	COM
CYBR CyberArk Software	$15,158,326	$3,164,925 ▼	-17.3%	45,500	1.6%	Computer and Technology
APPF AppFolio	$14,137,056	$419,424 ▼	-2.9%	57,300	1.5%	Computer and Technology
RXST RxSight	$14,047,668	$68,760 ▼	-0.5%	408,600	1.5%	Medical
DOORDASH INC	$13,487,100	$3,455,650 ▼	-20.4%	80,400	1.4%	CL A
GE VERNOVA INC	$13,305,218	$838,771 ▼	-5.9%	40,450	1.4%	COM
MELI MercadoLibre	$13,178,410	$24,656,380 ▼	-65.2%	7,750	1.4%	Retail/Wholesale
META Meta Platforms	$12,764,118	$12,412,812 ▼	-49.3%	21,800	1.4%	Computer and Technology
BWXT BWX Technologies	$11,963,286		0.0%	107,400	1.3%	Computer and Technology
GPS GAP	$11,418,016	$11,418,016 ▲	New Holding	483,200	1.2%	Consumer Cyclical
NTRA Natera	$11,350,110	$1,218,910 ▲	12.0%	71,700	1.2%	Medical
UTHR United Therapeutics	$10,938,040	$1,234,940 ▲	12.7%	31,000	1.2%	Medical
CEG Constellation Energy	$10,603,855	$4,272,861 ▼	-28.7%	47,400	1.1%	Oils/Energy
FIVE Five Below	$10,496,000	$10,496,000 ▲	New Holding	1,000	1.1%	Retail/Wholesale
VST Vistra	$10,133,444	$5,032,255 ▼	-33.2%	73,500	1.1%	Utilities
VRNA Verona Pharma	$9,845,279	$6,501,599 ▲	194.4%	212,000	1.0%	Medical
TARS Tarsus Pharmaceuticals	$9,811,564	$9,811,564 ▲	New Holding	177,200	1.0%	Medical
GE General Electric	$9,206,808	$9,974,042 ▼	-52.0%	55,200	1.0%	Transportation
EW Edwards Lifesciences	$8,883,600	$8,883,600 ▲	New Holding	1,200	0.9%	Medical
GLNG Golar LNG	$8,400,520	$8,400,520 ▲	New Holding	198,500	0.9%	Transportation
REAL RealReal	$8,149,408	$8,149,408 ▲	New Holding	745,600	0.9%	Consumer Discretionary
ADBE Adobe	$8,004,240		0.0%	18,000	0.9%	Computer and Technology
NET Cloudflare	$7,731,425	$1,636,736 ▼	-17.5%	71,800	0.8%	Computer and Technology
TSM Taiwan Semiconductor Manufacturing	$7,662,612	$3,594,318 ▼	-31.9%	38,800	0.8%	Computer and Technology
BSX Boston Scientific	$7,610,065	$7,610,065 ▲	New Holding	85,200	0.8%	Medical
FRPT Freshpet	$7,316,634	$2,458,626 ▼	-25.2%	49,400	0.8%	Consumer Staples
MTZ MasTec	$7,079,281	$7,079,281 ▲	New Holding	52,000	0.8%	Construction
TOST Toast	$7,020,271	$7,020,271 ▲	New Holding	192,600	0.7%	Computer and Technology
SG Sweetgreen	$6,957,020	$2,500,680 ▼	-26.4%	217,000	0.7%	Retail/Wholesale
SHW Sherwin-Williams	$6,934,572	$7,002,558 ▼	-50.2%	20,400	0.7%	Basic Materials
MRVL Marvell Technology	$6,737,450	$6,737,450 ▲	New Holding	61,000	0.7%	Computer and Technology
NBIX Neurocrine Biosciences	$6,552,000	$6,552,000 ▲	New Holding	48,000	0.7%	Medical
GTLB GitLab	$6,547,870	$6,519,695 ▲	23,140.0%	116,200	0.7%	Computer and Technology
SHOP Shopify	$6,486,130	$6,486,130 ▲	New Holding	61,000	0.7%	Computer and Technology
CRM Salesforce	$6,486,002	$6,486,002 ▲	New Holding	19,400	0.7%	Computer and Technology
TW Tradeweb Markets	$6,403,035	$3,259,908 ▼	-33.7%	48,908	0.7%	Finance
BECN Beacon Roofing Supply	$6,338,592	$365,688 ▼	-5.5%	62,400	0.7%	Retail/Wholesale
NVDA NVIDIA	$6,244,485	$76,478,155 ▼	-92.5%	46,500	0.7%	Computer and Technology
BBB FOODS INC	$6,241,396	$1,094,436 ▲	21.3%	220,700	0.7%	CL A COM
CHENIERE ENERGY INC	$6,231,230	$6,231,230 ▲	New Holding	29,000	0.7%	COM NEW
NFLX Netflix	$6,105,542	$2,807,658 ▼	-31.5%	6,850	0.6%	Consumer Discretionary
ITCI Intra-Cellular Therapies	$6,096,960	$835,200 ▼	-12.0%	73,000	0.6%	Medical
MASI Masimo	$6,083,040	$6,083,040 ▲	New Holding	36,800	0.6%	Medical
TTD Trade Desk	$6,029,289	$6,029,289 ▲	New Holding	51,300	0.6%	Computer and Technology
PGNY Progyny	$5,727,001	$5,727,001 ▲	New Holding	332,000	0.6%	Medical
DUOLINGO INC	$5,641,602	$32,423 ▼	-0.6%	17,400	0.6%	CL A COM
KYMR Kymera Therapeutics	$5,491,396	$1,589,085 ▲	40.7%	136,500	0.6%	Medical
GTLS Chart Industries	$5,267,183	$5,267,183 ▲	New Holding	27,600	0.6%	Industrial Products
LNTH Lantheus	$5,108,166	$1,422,414 ▼	-21.8%	57,100	0.5%	Medical
FERGUSON ENTERPRISES INC	$5,085,602		0.0%	29,300	0.5%	COMMON STOCK NEW
ERJ Embraer	$5,010,488	$5,010,488 ▲	New Holding	136,600	0.5%	Aerospace
AFRM Affirm	$4,951,169	$4,951,169 ▲	New Holding	81,300	0.5%	Business Services
OSCR Oscar Health	$4,791,360	$153,820 ▼	-3.1%	322,642	0.5%	Finance
CAVA CAVA Group	$4,748,881	$4,839,121 ▼	-50.5%	42,100	0.5%	Retail/Wholesale
FSLR First Solar	$4,423,624	$281,984 ▲	6.8%	25,100	0.5%	Oils/Energy
SATS EchoStar	$4,336,344	$4,336,344 ▲	New Holding	189,360	0.5%	Computer and Technology
HEI.A HEICO	$4,335,664	$4,335,664 ▲	New Holding	23,300	0.5%	Aerospace
NVO Novo Nordisk A/S	$4,301,000	$4,301,000 ▲	New Holding	500	0.5%	Medical
ARM HOLDINGS PLC	$3,466,417	$2,232,817 ▲	181.0%	28,100	0.4%	SPONSORED ADS
ASTERA LABS INC	$3,218,535	$3,099,330 ▲	2,600.0%	24,300	0.3%	COM
SLNO Soleno Therapeutics	$3,177,965	$3,177,965 ▲	New Holding	70,700	0.3%	Medical
XENE Xenon Pharmaceuticals	$2,845,921	$2,093,281 ▼	-42.4%	72,600	0.3%	Medical
WRBY Warby Parker	$2,501,813	$2,501,813 ▲	New Holding	103,338	0.3%	Consumer Staples
MPW Medical Properties Trust	$2,370,000	$73,470,000 ▼	-96.9%	6,000	0.3%	Finance
AXSM Axsome Therapeutics	$1,861,420	$2,961,350 ▼	-61.4%	22,000	0.2%	Medical
LUMN Lumen Technologies	$1,062,000		0.0%	2,000	0.1%	Business Services
ABIVAX SA	$760,760	$71,019 ▼	-8.5%	103,929	0.1%	SPONSORED ADS
SAVA Cassava Sciences	$582,920	$287,920 ▲	97.6%	2,470	0.1%	Medical
BRIGHT MINDS BIOSCIENCES INC	$540,300	$540,300 ▲	New Holding	15,000	0.1%	COM NEW
ANET Arista Networks	$0	$19,344,528 ▼	-100.0%	0	0.0%	Computer and Technology
ENPH Enphase Energy	$0	$15,687,177 ▼	-100.0%	0	0.0%	Oils/Energy
AMD Advanced Micro Devices	$0	$14,110,881 ▼	-100.0%	0	0.0%	Computer and Technology
ARGX argenx	$0	$12,790,378 ▼	-100.0%	0	0.0%	Medical
ABNB Airbnb	$0	$11,412,899 ▼	-100.0%	0	0.0%	Consumer Discretionary
S SentinelOne	$0	$11,170,639 ▼	-100.0%	0	0.0%	Computer and Technology
SFM Sprouts Farmers Market	$0	$10,047,310 ▼	-100.0%	0	0.0%	Retail/Wholesale
THC Tenet Healthcare	$0	$9,473,400 ▼	-100.0%	0	0.0%	Medical
PWR Quanta Services	$0	$9,391,725 ▼	-100.0%	0	0.0%	Construction
REGN Regeneron Pharmaceuticals	$0	$8,935,541 ▼	-100.0%	0	0.0%	Medical
ALNY Alnylam Pharmaceuticals	$0	$8,525,929 ▼	-100.0%	0	0.0%	Medical
MDB MongoDB	$0	$8,245,675 ▼	-100.0%	0	0.0%	Computer and Technology
TEMPUS AI INC	$0	$6,599,560 ▼	-100.0%	0	0.0%	CL A
ASND Ascendis Pharma A/S	$0	$6,420,330 ▼	-100.0%	0	0.0%	Medical
DXCM DexCom	$0	$5,832,481 ▼	-100.0%	0	0.0%	Medical
CNM Core & Main	$0	$5,550,000 ▼	-100.0%	0	0.0%	Industrial Products
HOV Hovnanian Enterprises	$0	$4,802,695 ▼	-100.0%	0	0.0%	Construction

Showing largest 100 holdings. View all holdings.

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Atika Capital Management LLC Top Holdings and 13F Report (2025)

About Atika Capital Management LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools

About MarketBeat

MarketBeat Products

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Atika Capital Management LLC Top Holdings and 13F Report (2025)

About Atika Capital Management LLC

Investment Activity

Largest Holdings

Largest New Holdings this Quarter

Largest Purchases this Quarter

Largest Sales this Quarter

Sector Allocation Over Time

Map of 500 Largest Holdings ofAtika Capital Management LLC

Latest 13F Holdings and Changes Since Previous Quarterly Filing

More Institutional Buying and Selling Information

MarketBeat All Access Features

Best-in-Class Portfolio Monitoring

Stock Ideas and Recommendations

Advanced Stock Screeners and Research Tools