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Dmitry Balyasny’s Inspire Medical Systems INSP Stock Holding History

Dmitry Balyasny’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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
SCM
Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Dmitry Balyasny's INSP Position: Q2 2026 in Review

Dmitry Balyasny sold out of Inspire Medical Systems (INSP) in Q2 2026, closing a stake of 151,856 shares — an estimated $7.83M sold.

Dmitry Balyasny first reported a position in INSP in Q1 2019 and held it in 17 quarters. The position peaked at $45.6M in Q3 2025. 274 funds tracked by Wall St. Rank hold INSP as of Q2 2026.

  • Dmitry Balyasny reported no remaining Inspire Medical Systems position as of Q2 2026 after selling out during the quarter.
  • Dmitry Balyasny sold 151,856 Inspire Medical Systems shares in Q2 2026, an estimated $7.83M.
  • Dmitry Balyasny first reported a position in Inspire Medical Systems in Q1 2019 and held it in 17 quarters.
  • Dmitry Balyasny's Inspire Medical Systems position peaked at $45.6M in Q3 2025.
  • 274 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q2 2026.

Based on Balyasny Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.