Impax Asset Management Group
INSP icon

Impax Asset Management Group’s Inspire Medical Systems INSP Stock Holding History

Impax Asset Management 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
2025
Q3 		– Sell
-50,000
Closed -$6.49M – 294
2025
Q2 		$6.49M Hold
50,000
– – 0.04% 190
2025
Q1 		$7.96M Hold
50,000
– – 0.05% 157
2024
Q4 		$9.27M Hold
50,000
– – 0.04% 167
2024
Q3 		$10.6M Sell
50,000
-10,000
-17% -$1.74M 0.04% 160
2024
Q2 		$8.03M Buy
+60,000
New +$11.4M 0.03% 174

Other funds holding INSP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $2.7B AUM 88.53% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Impax Asset Management Group's INSP Position: Q3 2025 in Review

Impax Asset Management Group sold out of Inspire Medical Systems (INSP) in Q3 2025, closing a stake of 50,000 shares — an estimated $6.49M sold.

Impax Asset Management Group first reported a position in INSP in Q2 2024 and held it in 5 quarters. The position peaked at $10.6M in Q3 2024. 325 funds tracked by Wall St. Rank hold INSP as of Q3 2025.

  • Impax Asset Management Group reported no remaining Inspire Medical Systems position as of Q3 2025 after selling out during the quarter.
  • Impax Asset Management Group sold 50,000 Inspire Medical Systems shares in Q3 2025, an estimated $6.49M.
  • Impax Asset Management Group first reported a position in Inspire Medical Systems in Q2 2024 and held it in 5 quarters.
  • Impax Asset Management Group's Inspire Medical Systems position peaked at $10.6M in Q3 2024.
  • 325 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q3 2025.

Based on Impax Asset Management Group's 13F filing for Q3 2025, filed 6 Nov 2025.