Balyasny Asset Management’s Inspire Medical Systems INSP Stock Holding History

Balyasny Asset Management’s Portfolio INSP Stock Details INSP Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-3,700	Closed	-$480K	–	3172
2025 Q2	$480K	Sell	3,700 -1,100	-23%	-$160K	﹤0.01%	2302
2025 Q1	$765K	Buy	4,800 +2,600	+118%	+$470K	﹤0.01%	2111
2024 Q4	$408K	Sell	2,200 -11,300	-84%	-$2.19M	﹤0.01%	2264
2024 Q3	$2.85M	Buy	+13,500	New	+$2.35M	﹤0.01%	1519
2024 Q1	–	Sell	-4,000	Closed	-$814K	–	2848
2023 Q4	$814K	Buy	+4,000	New	+$648K	﹤0.01%	1765

Other funds holding INSP

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

Balyasny Asset Management's INSP Position: Q1 2026 in Review

Balyasny Asset Management reduced its Inspire Medical Systems (INSP) stake by 19% in Q1 2026, selling an estimated $2.48M and leaving 151,856 shares worth $7.83M. The position accounts for 0.01% of the portfolio, ranked #1146.

Balyasny Asset Management first reported a position in INSP in Q1 2019 and has held it in 17 quarters since. The position peaked at $45.6M in Q3 2025. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

Balyasny Asset Management held 151,856 shares of Inspire Medical Systems worth $7.83M as of Q1 2026.
Balyasny Asset Management sold 35,370 Inspire Medical Systems shares in Q1 2026, an estimated $2.48M.
Inspire Medical Systems made up 0.01% of Balyasny Asset Management's portfolio in Q1 2026, its #1146 holding.
Balyasny Asset Management first reported a position in Inspire Medical Systems in Q1 2019 and has held it in 17 quarters since.
Balyasny Asset Management's Inspire Medical Systems position peaked at $45.6M in Q3 2025.
301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

Based on Balyasny Asset Management's 13F filing for Q1 2026, filed 15 May 2026.