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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
2026
Q2 		– Sell
-151,856
Closed -$7.83M – 3244
2026
Q1 		$7.83M Sell
151,856
-35,370
-19% -$2.48M 0.01% 1146
2025
Q4 		$17.3M Sell
187,226
-427,133
-70% -$40.9M 0.02% 791
2025
Q3 		$45.6M Buy
+614,359
New +$62.2M 0.06% 391
2025
Q1 		– Sell
-1,895
Closed -$343K – 3030
2024
Q4 		$351K Buy
+1,895
New +$368K ﹤0.01% 2325
2024
Q3 		– Sell
-315,098
Closed -$54.7M – 2937
2024
Q2 		$42.2M Buy
315,098
+238,123
+309% +$45.1M 0.07% 335
2024
Q1 		$16.5M Sell
76,975
-23,852
-24% -$4.68M 0.03% 712
2023
Q4 		$20.5M Buy
100,827
+83,704
+489% +$13.6M 0.04% 588
2023
Q3 		$3.4M Buy
+17,123
New +$4.32M 0.01% 1230
2021
Q4 		– Sell
-27,250
Closed -$6.35M – 2413
2021
Q3 		$6.35M Sell
27,250
-147,643
-84% -$30.8M 0.03% 742
2021
Q2 		$33.8M Buy
174,893
+167,135
+2,154% +$33.1M 0.16% 154
2021
Q1 		$1.61M Buy
+7,758
New +$1.65M 0.01% 1098
2020
Q4 		– Sell
-31,027
Closed -$4M – 1511
2020
Q3 		$4M Sell
31,027
-37,800
-55% -$4.17M 0.03% 672
2020
Q2 		$5.99M Buy
+68,827
New +$5.29M 0.05% 469
2020
Q1 		– Sell
-84,939
Closed -$6.3M – 1318
2019
Q4 		$6.3M Buy
84,939
+78,462
+1,211% +$5.04M 0.04% 536
2019
Q3 		$395K Sell
6,477
-144
-2% -$9.48K ﹤0.01% 986
2019
Q2 		$402K Buy
6,621
+2,521
+61% +$136K ﹤0.01% 1268
2019
Q1 		$233K Buy
+4,100
New +$222K ﹤0.01% 1334

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.