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Winton Group’s Inspire Medical Systems INSP Stock Holding History

Winton Group’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 		$1.67M Buy
37,412
+33,212
+791% +$1.58M 0.05% 342
2026
Q1 		$217K Buy
4,200
+100
+2% +$7K 0.01% 956
2025
Q4 		$378K Sell
4,100
-87,358
-96% -$8.36M 0.01% 689
2025
Q3 		$6.79M Buy
91,458
+83,369
+1,031% +$8.44M 0.25% 100
2025
Q2 		$1.05M Buy
8,089
+1,457
+22% +$211K 0.05% 419
2025
Q1 		$1.06M Buy
6,632
+655
+11% +$118K 0.06% 372
2024
Q4 		$1.11M Buy
5,977
+806
+16% +$156K 0.07% 272
2024
Q3 		$1.09M Sell
5,171
-2,926
-36% -$508K 0.08% 246
2024
Q2 		$1.08M Buy
+8,097
New +$1.53M 0.07% 210
2023
Q4 		– Sell
-2,526
Closed -$501K – 795
2023
Q3 		$501K Buy
+2,526
New +$637K 0.04% 245
2023
Q2 		– Sell
-4,422
Closed -$1.04M – 933
2023
Q1 		$1.04M Buy
4,422
+143
+3% +$36.1K 0.06% 433
2022
Q4 		$1.08M Sell
4,279
-175
-4% -$37.3K 0.07% 379
2022
Q3 		$790K Sell
4,454
-796
-15% -$160K 0.05% 489
2022
Q2 		$959K Buy
5,250
+353
+7% +$70.4K 0.05% 498
2022
Q1 		$1.26M Sell
4,897
-74
-1% -$16.9K 0.07% 392
2021
Q4 		$1.14M Buy
+4,971
New +$1.21M 0.07% 416
2021
Q3 		– Sell
-2,301
Closed -$445K – 1404
2021
Q2 		$445K Sell
2,301
-1,229
-35% -$244K 0.02% 979
2021
Q1 		$731K Buy
3,530
+198
+6% +$42.1K 0.04% 656
2020
Q4 		$627K Sell
3,332
-12,658
-79% -$2.07M 0.05% 672
2020
Q3 		$2.06M Buy
+15,990
New +$1.76M 0.07% 512

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

Winton Group's INSP Position: Q2 2026 in Review

Winton Group increased its Inspire Medical Systems (INSP) stake by 791% in Q2 2026, buying an estimated $1.58M and bringing the position to 37,412 shares worth $1.67M. The position accounts for 0.05% of the portfolio, ranked #342.

Winton Group first reported a position in INSP in Q3 2020 and has held it in 20 quarters since. The position peaked at $6.79M in Q3 2025. 275 funds tracked by Wall St. Rank hold INSP as of Q2 2026.

  • Winton Group held 37,412 shares of Inspire Medical Systems worth $1.67M as of Q2 2026.
  • Winton Group bought 33,212 Inspire Medical Systems shares in Q2 2026, an estimated $1.58M.
  • Inspire Medical Systems made up 0.05% of Winton Group's portfolio in Q2 2026, its #342 holding.
  • Winton Group first reported a position in Inspire Medical Systems in Q3 2020 and has held it in 20 quarters since.
  • Winton Group's Inspire Medical Systems position peaked at $6.79M in Q3 2025.
  • 275 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.