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Weiss Asset Management’s Inspire Medical Systems INSP Stock Holding History

Weiss Asset 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
2025
Q4 		– Sell
-63,029
Closed -$4.68M – 716
2025
Q3 		$4.68M Buy
+63,029
New +$6.38M 0.05% 163

Other funds holding INSP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
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
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Weiss Asset Management's INSP Position: Q4 2025 in Review

Weiss Asset Management sold out of Inspire Medical Systems (INSP) in Q4 2025, closing a stake of 63,029 shares — an estimated $4.68M sold.

Weiss Asset Management first reported a position in INSP in Q3 2025 and held it in 1 quarter. The position peaked at $4.68M in Q3 2025. 342 funds tracked by Wall St. Rank hold INSP as of Q4 2025.

  • Weiss Asset Management reported no remaining Inspire Medical Systems position as of Q4 2025 after selling out during the quarter.
  • Weiss Asset Management sold 63,029 Inspire Medical Systems shares in Q4 2025, an estimated $4.68M.
  • Weiss Asset Management first reported a position in Inspire Medical Systems in Q3 2025 and held it in 1 quarter.
  • Weiss Asset Management's Inspire Medical Systems position peaked at $4.68M in Q3 2025.
  • 342 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q4 2025.

Based on Weiss Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.