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Frontier Capital Management’s Inspire Medical Systems INSP Stock Holding History

Frontier Capital 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 		– Sell
-142,007
Closed -$13.1M – 306
2025
Q4 		$13.1M Sell
142,007
-20,288
-13% -$1.94M 0.14% 212
2025
Q3 		$12M Sell
162,295
-530,908
-77% -$53.8M 0.11% 232
2025
Q2 		$90M Buy
693,203
+259,716
+60% +$37.7M 0.83% 19
2025
Q1 		$69M Buy
433,487
+14,633
+3% +$2.65M 0.76% 29
2024
Q4 		$77.6M Buy
418,854
+23,838
+6% +$4.63M 0.74% 29
2024
Q3 		$83.4M Sell
395,016
-104,194
-21% -$18.1M 0.78% 28
2024
Q2 		$66.8M Sell
499,210
-185,530
-27% -$35.1M 0.66% 35
2024
Q1 		$147M Sell
684,740
-57,306
-8% -$11.2M 1.37% 7
2023
Q4 		$151M Buy
742,046
+380,362
+105% +$61.6M 1.52% 8
2023
Q3 		$71.8M Sell
361,684
-45,195
-11% -$11.4M 0.79% 27
2023
Q2 		$132M Buy
406,879
+20,312
+5% +$5.8M 1.27% 10
2023
Q1 		$90.5M Buy
386,567
+28,535
+8% +$7.21M 0.94% 22
2022
Q4 		$90.2M Buy
358,032
+151,473
+73% +$32.3M 0.98% 17
2022
Q3 		$36.6M Sell
206,559
-6,504
-3% -$1.31M 0.43% 80
2022
Q2 		$38.9M Buy
213,063
+52,128
+32% +$10.4M 0.45% 80
2022
Q1 		$41.3M Buy
160,935
+42,323
+36% +$9.67M 0.37% 96
2021
Q4 		$27.3M Sell
118,612
-144,110
-55% -$35.2M 0.22% 148
2021
Q3 		$61.2M Buy
262,722
+148,528
+130% +$31M 0.48% 66
2021
Q2 		$22.1M Buy
114,194
+81,571
+250% +$16.2M 0.16% 177
2021
Q1 		$6.75M Sell
32,623
-17,798
-35% -$3.78M 0.05% 243
2020
Q4 		$9.48M Sell
50,421
-56,601
-53% -$9.25M 0.07% 230
2020
Q3 		$13.8M Sell
107,022
-20,501
-16% -$2.26M 0.12% 188
2020
Q2 		$11.1M Buy
127,523
+54,563
+75% +$4.19M 0.1% 212
2020
Q1 		$4.4M Buy
72,960
+59,663
+449% +$4.42M 0.05% 243
2019
Q4 		$987K Sell
13,297
-86,347
-87% -$5.55M 0.01% 273
2019
Q3 		$6.08M Sell
99,644
-13,859
-12% -$913K 0.05% 247
2019
Q2 		$6.88M Buy
+113,503
New +$6.12M 0.05% 246

Other funds holding INSP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Frontier Capital Management's INSP Position: Q1 2026 in Review

Frontier Capital Management sold out of Inspire Medical Systems (INSP) in Q1 2026, closing a stake of 142,007 shares — an estimated $13.1M sold.

Frontier Capital Management first reported a position in INSP in Q2 2019 and held it in 27 quarters. The position peaked at $151M in Q4 2023. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

  • Frontier Capital Management reported no remaining Inspire Medical Systems position as of Q1 2026 after selling out during the quarter.
  • Frontier Capital Management sold 142,007 Inspire Medical Systems shares in Q1 2026, an estimated $13.1M.
  • Frontier Capital Management first reported a position in Inspire Medical Systems in Q2 2019 and held it in 27 quarters.
  • Frontier Capital Management's Inspire Medical Systems position peaked at $151M in Q4 2023.
  • 301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

Based on Frontier Capital Management's 13F filing for Q1 2026, filed 15 May 2026.