Group One Trading
INSP icon

Group One Trading’s Inspire Medical Systems INSP Stock Holding History

Group One Trading’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
-1,160
Closed -$55K – 8008
2026
Q1 		$59.8K Sell
1,160
-693
-37% -$48.5K ﹤0.01% 5123
2025
Q4 		$171K Sell
1,853
-8,387
-82% -$802K ﹤0.01% 4520
2025
Q3 		$760K Buy
+10,240
New +$1.04M ﹤0.01% 3287
2025
Q2 		– Sell
-104
Closed -$16.6K – 8260
2025
Q1 		$16.6K Sell
104
-257
-71% -$46.5K ﹤0.01% 5942
2024
Q4 		$66.9K Sell
361
-481
-57% -$93.4K ﹤0.01% 4835
2024
Q3 		$178K Buy
+842
New +$146K ﹤0.01% 3732
2023
Q2 		– Sell
-495
Closed -$141K – 7918
2023
Q1 		$116K Buy
+495
New +$125K ﹤0.01% 4177
2022
Q4 		– Sell
-6,627
Closed -$1.41M – 7642
2022
Q3 		$1.18M Buy
6,627
+2,400
+57% +$482K ﹤0.01% 2400
2022
Q2 		$772K Buy
+4,227
New +$843K ﹤0.01% 2989
2022
Q1 		– Sell
-1,172
Closed -$268K – 8324
2021
Q4 		$270K Buy
+1,172
New +$286K ﹤0.01% 4765
2021
Q3 		– Sell
-268
Closed -$55.9K – 8446
2021
Q2 		$52K Sell
268
-1,513
-85% -$300K ﹤0.01% 6540
2021
Q1 		$369K Buy
+1,781
New +$378K ﹤0.01% 4393
2019
Q3 		– Sell
-265
Closed -$17.4K – 5326
2019
Q2 		$16K Sell
265
-482
-65% -$26K ﹤0.01% 4262
2019
Q1 		$42K Buy
+747
New +$40.4K ﹤0.01% 3649

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

Group One Trading's INSP Position: Q2 2026 in Review

Group One Trading sold out of Inspire Medical Systems (INSP) in Q2 2026, closing a stake of 1,160 shares — an estimated $55K sold.

Group One Trading first reported a position in INSP in Q1 2019 and held it in 14 quarters. The position peaked at $1.18M in Q3 2022. 275 funds tracked by Wall St. Rank hold INSP as of Q2 2026.

  • Group One Trading reported no remaining Inspire Medical Systems position as of Q2 2026 after selling out during the quarter.
  • Group One Trading sold 1,160 Inspire Medical Systems shares in Q2 2026, an estimated $55K.
  • Group One Trading first reported a position in Inspire Medical Systems in Q1 2019 and held it in 14 quarters.
  • Group One Trading's Inspire Medical Systems position peaked at $1.18M in Q3 2022.
  • 275 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.