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Champlain Investment Partners’s Inspire Medical Systems INSP Stock Holding History

Champlain Investment Partners’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 		$8.2M Sell
158,989
-44,109
-22% -$3.09M 0.1% 127
2025
Q4 		$18.7M Sell
203,098
-203,961
-50% -$19.5M 0.19% 120
2025
Q3 		$30.2M Sell
407,059
-5,047
-1% -$511K 0.23% 127
2025
Q2 		$53.5M Sell
412,106
-23,656
-5% -$3.43M 0.37% 105
2025
Q1 		$69.4M Sell
435,762
-8,647
-2% -$1.56M 0.5% 84
2024
Q4 		$82.4M Sell
444,409
-20,203
-4% -$3.92M 0.52% 81
2024
Q3 		$98.1M Sell
464,612
-50,173
-10% -$8.72M 0.59% 73
2024
Q2 		$68.9M Sell
514,785
-126,900
-20% -$24M 0.42% 91
2024
Q1 		$138M Sell
641,685
-6,910
-1% -$1.35M 0.79% 47
2023
Q4 		$132M Buy
648,595
+179,050
+38% +$29M 0.78% 55
2023
Q3 		$93.2M Sell
469,545
-96,570
-17% -$24.4M 0.6% 67
2023
Q2 		$184M Sell
566,115
-90,210
-14% -$25.8M 1.13% 29
2023
Q1 		$154M Sell
656,325
-11,930
-2% -$3.02M 0.97% 35
2022
Q4 		$168M Sell
668,255
-21,915
-3% -$4.67M 1.08% 27
2022
Q3 		$122M Sell
690,170
-8,415
-1% -$1.69M 0.84% 49
2022
Q2 		$128M Sell
698,585
-4,070
-0.6% -$812K 0.82% 48
2022
Q1 		$180M Buy
702,655
+29,930
+4% +$6.84M 0.93% 41
2021
Q4 		$155M Buy
672,725
+3,345
+0.5% +$817K 0.7% 61
2021
Q3 		$156M Buy
669,380
+7,725
+1% +$1.61M 0.75% 56
2021
Q2 		$128M Buy
661,655
+66,315
+11% +$13.2M 0.61% 74
2021
Q1 		$123M Buy
595,340
+14,680
+3% +$3.12M 0.64% 72
2020
Q4 		$109M Sell
580,660
-306,790
-35% -$50.2M 0.63% 70
2020
Q3 		$115M Sell
887,450
-35,730
-4% -$3.94M 0.78% 54
2020
Q2 		$80.3M Buy
923,180
+52,860
+6% +$4.06M 0.58% 69
2020
Q1 		$52.5M Buy
870,320
+207,355
+31% +$15.3M 0.47% 79
2019
Q4 		$49.2M Buy
662,965
+366,575
+124% +$23.6M 0.36% 96
2019
Q3 		$18.1M Buy
+296,390
New +$19.5M 0.15% 110

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

Champlain Investment Partners's INSP Position: Q1 2026 in Review

Champlain Investment Partners reduced its Inspire Medical Systems (INSP) stake by 22% in Q1 2026, selling an estimated $3.09M and leaving 158,989 shares worth $8.2M. The position accounts for 0.1% of the portfolio, ranked #127.

Champlain Investment Partners first reported a position in INSP in Q3 2019 and has held it in 27 quarters since. The position peaked at $184M in Q2 2023. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

  • Champlain Investment Partners held 158,989 shares of Inspire Medical Systems worth $8.2M as of Q1 2026.
  • Champlain Investment Partners sold 44,109 Inspire Medical Systems shares in Q1 2026, an estimated $3.09M.
  • Inspire Medical Systems made up 0.1% of Champlain Investment Partners's portfolio in Q1 2026, its #127 holding.
  • Champlain Investment Partners first reported a position in Inspire Medical Systems in Q3 2019 and has held it in 27 quarters since.
  • Champlain Investment Partners's Inspire Medical Systems position peaked at $184M in Q2 2023.
  • 301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

Based on Champlain Investment Partners's 13F filing for Q1 2026, filed 13 May 2026.