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

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$87.7K Sell
1,700
-8,800
-84% -$616K ﹤0.01% 4847
2025
Q4
$968K Sell
10,500
-2,600
-20% -$249K ﹤0.01% 2922
2025
Q3
$972K Buy
+13,100
New +$1.33M ﹤0.01% 3062
2025
Q2
Sell
-5,700
Closed -$908K 8261
2025
Q1
$908K Buy
5,700
+4,800
+533% +$868K ﹤0.01% 2541
2024
Q4
$167K Sell
900
-1,200
-57% -$233K ﹤0.01% 4083
2024
Q3
$443K Sell
2,100
-3,200
-60% -$556K ﹤0.01% 2938
2024
Q2
$709K Buy
5,300
+3,300
+165% +$624K ﹤0.01% 2277
2024
Q1
$430K Buy
2,000
+1,600
+400% +$314K ﹤0.01% 2883
2023
Q4
$81.4K Buy
400
+100
+33% +$16.2K ﹤0.01% 4637
2023
Q3
$59.5K Hold
300
﹤0.01% 4926
2023
Q2
$97.4K Buy
+300
New +$85.7K ﹤0.01% 4649
2023
Q1
Sell
-300
Closed -$75.6K 7537
2022
Q4
$75.6K Buy
300
+100
+50% +$21.3K ﹤0.01% 4684
2022
Q3
$35K Hold
200
﹤0.01% 5683
2022
Q2
$37K Buy
+200
New +$39.9K ﹤0.01% 5812
2022
Q1
Sell
-1,000
Closed -$230K 8325
2021
Q4
$230K Sell
1,000
-2,200
-69% -$537K ﹤0.01% 4946
2021
Q3
$745K Buy
3,200
+1,400
+78% +$292K ﹤0.01% 3735
2021
Q2
$348K Sell
1,800
-1,400
-44% -$278K ﹤0.01% 4620
2021
Q1
$662K Buy
3,200
+2,600
+433% +$553K ﹤0.01% 3713
2020
Q4
$113K Sell
600
-6,800
-92% -$1.11M ﹤0.01% 4479
2020
Q3
$955K Buy
7,400
+6,800
+1,133% +$749K ﹤0.01% 2240
2020
Q2
$52K Buy
+600
New +$46.1K ﹤0.01% 4330
2020
Q1
Sell
-2,000
Closed -$148K 5489
2019
Q4
$148K Sell
2,000
-400
-17% -$25.7K ﹤0.01% 3372
2019
Q3
$146K Hold
2,400
﹤0.01% 3301
2019
Q2
$146K Buy
2,400
+400
+20% +$21.6K ﹤0.01% 3068
2019
Q1
$114K Buy
+2,000
New +$108K ﹤0.01% 3083

Other funds holding INSP

Group One Trading's INSP Position: Q1 2026 in Review

Group One Trading reduced its Inspire Medical Systems (INSP) stake by 37% in Q1 2026, selling an estimated $48.5K and leaving 1,160 shares worth $59.8K. The position accounts for ﹤0.01% of the portfolio, ranked #5123.

Group One Trading first reported a position in INSP in Q1 2019 and has held it in 14 quarters since. The position peaked at $1.18M in Q3 2022. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

  • Group One Trading held 1,160 shares of Inspire Medical Systems worth $59.8K as of Q1 2026.
  • Group One Trading sold 693 Inspire Medical Systems shares in Q1 2026, an estimated $48.5K.
  • Inspire Medical Systems made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5123 holding.
  • Group One Trading first reported a position in Inspire Medical Systems in Q1 2019 and has held it in 14 quarters since.
  • Group One Trading's Inspire Medical Systems position peaked at $1.18M in Q3 2022.
  • 301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.