Balyasny Asset Management
INSP icon

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
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 $5.72T AUM 30.48% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
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
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Artisan Partners
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.