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Marc Stad’s Inspire Medical Systems INSP Stock Holding History

Marc Stad’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
-2,354,411
Closed -$306M – 27
2025
Q2 		$306M Buy
2,354,411
+1,056,808
+81% +$153M 6.24% 7
2025
Q1 		$207M Buy
1,297,603
+426,493
+49% +$77.2M 4.35% 10
2024
Q4 		$161M Buy
+871,110
New +$169M 2.82% 14

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 40.91% 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 $3.37T AUM 44.26% 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

Marc Stad's INSP Position: Q3 2025 in Review

Marc Stad sold out of Inspire Medical Systems (INSP) in Q3 2025, closing a stake of 2,354,411 shares — an estimated $306M sold.

Marc Stad first reported a position in INSP in Q4 2024 and held it in 3 quarters. The position peaked at $306M in Q2 2025. 325 funds tracked by Wall St. Rank hold INSP as of Q3 2025.

  • Marc Stad reported no remaining Inspire Medical Systems position as of Q3 2025 after selling out during the quarter.
  • Marc Stad sold 2,354,411 Inspire Medical Systems shares in Q3 2025, an estimated $306M.
  • Marc Stad first reported a position in Inspire Medical Systems in Q4 2024 and held it in 3 quarters.
  • Marc Stad's Inspire Medical Systems position peaked at $306M in Q2 2025.
  • 325 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q3 2025.

Based on Dragoneer Investment Group's 13F filing for Q3 2025, filed 14 Nov 2025.