Atika Capital Management LLC Inspire Medical Systems, Inc. Transaction History

Atika Capital Management LLC

$595 Million
Q1 2025

A detailed history of Atika Capital Management LLC transactions in Inspire Medical Systems, Inc. stock. As of the latest transaction made, Atika Capital Management LLC holds 160,600 shares of INSP stock, worth $20.4 Million. This represents 4.3% of its overall portfolio holdings.

Number of Shares

160,600

Previous 157,600 1.9%

Holding current value

$20.4 Million

Previous $29.2 Million 12.44%

% of portfolio

4.3%

Previous 4.31%

27 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 14, 2025	BUY	$157.24 - $215.42 $471,720 - $646,260	3,000 Added 1.9%	160,600 $25.6 Million
Q4 2024 Feb 13, 2025	SELL	$172.7 - $214.93 $414,480 - $515,832	-2,400 Reduced 1.5%	157,600 $29.2 Million
Q3 2024 Nov 13, 2024	SELL	$125.79 - $216.71 $377,370 - $650,130	-3,000 Reduced 1.84%	160,000 $33.8 Million
Q2 2024 Aug 13, 2024	BUY	$133.83 - $251.19 $4.45 Million - $8.36 Million	33,265 Added 25.64%	163,000 $21.8 Million
Q1 2024 May 14, 2024	BUY	$165.3 - $226.0 $1.34 Million - $1.84 Million	8,135 Added 6.69%	129,735 $27.9 Million
Q4 2023 Feb 13, 2024	SELL	$125.26 - $203.83 $2.33 Million - $3.78 Million	-18,565 Reduced 13.25%	121,600 $24.7 Million
Q2 2023 Aug 11, 2023	SELL	$226.52 - $324.64 $271,824 - $389,568	-1,200 Reduced 0.85%	140,165 $45.5 Million
Q1 2023 May 12, 2023	BUY	$229.06 - $278.01 $114,530 - $139,005	500 Added 0.35%	141,365 $33.1 Million
Q4 2022 Feb 13, 2023	SELL	$164.02 - $259.76 $2.07 Million - $3.28 Million	-12,637 Reduced 8.23%	140,865 $35.5 Million
Q3 2022 Nov 14, 2022	BUY	$170.68 - $226.46 $4.4 Million - $5.84 Million	25,802 Added 20.21%	153,502 $27.2 Million
Q2 2022 Aug 12, 2022	BUY	$147.53 - $266.6 $324,566 - $586,520	2,200 Added 1.75%	127,700 $23.3 Million
Q1 2022 May 13, 2022	SELL	$193.94 - $261.91 $1.01 Million - $1.36 Million	-5,200 Reduced 3.98%	125,500 $32.2 Million
Q4 2021 Feb 11, 2022	SELL	$207.57 - $280.17 $1.95 Million - $2.63 Million	-9,400 Reduced 6.71%	130,700 $30.1 Million
Q3 2021 Nov 12, 2021	SELL	$170.0 - $258.58 $595,000 - $905,030	-3,500 Reduced 2.44%	140,100 $32.6 Million
Q2 2021 Aug 12, 2021	SELL	$164.93 - $242.23 $725,692 - $1.07 Million	-4,400 Reduced 2.97%	143,600 $27.8 Million
Q1 2021 May 14, 2021	SELL	$182.45 - $249.25 $9.49 Million - $13 Million	-52,000 Reduced 26.0%	148,000 $30.6 Million
Q4 2020 Feb 16, 2021	SELL	$119.35 - $200.46 $6.92 Million - $11.6 Million	-58,000 Reduced 22.48%	200,000 $37.6 Million
Q3 2020 Nov 13, 2020	BUY	$87.5 - $130.91 $218,750 - $327,275	2,500 Added 0.98%	258,000 $33.3 Million
Q2 2020 Aug 13, 2020	SELL	$49.5 - $97.93 $668,250 - $1.32 Million	-13,500 Reduced 5.02%	255,500 $22.2 Million
Q1 2020 May 14, 2020	BUY	$41.62 - $89.92 $166,480 - $359,680	4,000 Added 1.51%	269,000 $16.2 Million
Q4 2019 Feb 14, 2020	BUY	$52.12 - $75.0 $2.14 Million - $3.08 Million	41,000 Added 18.3%	265,000 $19.7 Million
Q3 2019 Nov 14, 2019	BUY	$61.02 - $70.19 $3.6 Million - $4.14 Million	59,000 Added 35.76%	224,000 $13.7 Million
Q2 2019 Aug 12, 2019	BUY	$47.07 - $60.71 $1.22 Million - $1.58 Million	26,000 Added 18.71%	165,000 $10 Million
Q1 2019 May 13, 2019	BUY	$39.48 - $62.0 $157,920 - $248,000	4,000 Added 2.96%	139,000 $7.89 Million
Q4 2018 Feb 14, 2019	BUY	$37.07 - $52.58 $318,802 - $452,188	8,600 Added 6.8%	135,000 $5.7 Million
Q3 2018 Nov 14, 2018	BUY	$36.8 - $56.99 $1.43 Million - $2.22 Million	38,900 Added 44.46%	126,400 $5.32 Million
Q2 2018 Aug 14, 2018	BUY	$24.05 - $39.5 $2.1 Million - $3.46 Million	87,500 New	87,500 $3.12 Million

Others Institutions Holding INSP

# of Institutions

412

Shares Held

29.9M

Call Options Held

233K

Put Options Held

227K

View Full List

About Inspire Medical Systems, Inc.

Ticker INSP
Exchange NYSE
Sector Healthcare
Industry Medical Devices
Shares Outstandng 28,788,600
Market Cap $3.65B
Description
Inspire Medical Systems, Inc., a medical technology company, focuses on the development and commercialization of minimally invasive solutions for patients with obstructive sleep apnea (OSA) in the United States and internationally. The company offers Inspire system, a neurostimulation technology that provides a safe and effective treatment for m...

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Atika Capital Management LLC Inspire Medical Systems, Inc. Transaction History