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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
2026
Q2 		$394K Buy
+8,821
New +$418K ﹤0.01% 524
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 $6.73T AUM 46.02% 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
SCM
Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Weiss Asset Management's INSP Position: Q2 2026 in Review

Weiss Asset Management opened a new position in Inspire Medical Systems (INSP) in Q2 2026: 8,821 shares worth $394K. The stake represents ﹤0.01% of the portfolio and ranks #524 among its holdings. This is a return to the name: Weiss Asset Management previously reported a position in INSP as recently as Q3 2025.

Weiss Asset Management first reported a position in INSP in Q3 2025 and has held it in 2 quarters since. The position peaked at $4.68M in Q3 2025. 275 funds tracked by Wall St. Rank hold INSP as of Q2 2026.

  • Weiss Asset Management held 8,821 shares of Inspire Medical Systems worth $394K as of Q2 2026.
  • Inspire Medical Systems was a new Weiss Asset Management position in Q2 2026.
  • Inspire Medical Systems made up ﹤0.01% of Weiss Asset Management's portfolio in Q2 2026, its #524 holding.
  • Weiss Asset Management first reported a position in Inspire Medical Systems in Q3 2025 and has held it in 2 quarters since.
  • Weiss Asset Management's Inspire Medical Systems position peaked at $4.68M in Q3 2025.
  • 275 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q2 2026.

Based on Weiss Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.