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Cubist Systematic Strategies’s Inspire Medical Systems INSP Stock Holding History

Cubist Systematic Strategies’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 		$282K Buy
+3,800
New +$385K ﹤0.01% 2536
2025
Q1 		– Sell
-13,300
Closed -$2.47M – 3152
2024
Q4 		$2.47M Sell
13,300
-7,300
-35% -$1.42M 0.02% 1233
2024
Q3 		$4.35M Buy
20,600
+2,100
+11% +$365K 0.03% 917
2024
Q2 		$2.48M Buy
18,500
+14,200
+330% +$2.69M 0.02% 1194
2024
Q1 		$924K Sell
4,300
-20,500
-83% -$4.02M 0.01% 2238
2023
Q4 		$5.05M Buy
24,800
+6,300
+34% +$1.02M 0.03% 876
2023
Q3 		$3.67M Buy
+18,500
New +$4.67M 0.03% 950

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
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Cubist Systematic Strategies's INSP Position: Q3 2025 in Review

Cubist Systematic Strategies opened a new position in Inspire Medical Systems (INSP) in Q3 2025: 97,387 shares worth $7.23M. The stake represents 0.03% of the portfolio and ranks #744 among its holdings. This is a return to the name: Cubist Systematic Strategies previously reported a position in INSP as recently as Q2 2024.

Cubist Systematic Strategies first reported a position in INSP in Q1 2019 and has held it in 21 quarters since. The position peaked at $30M in Q1 2023. 325 funds tracked by Wall St. Rank hold INSP as of Q3 2025.

  • Cubist Systematic Strategies held 97,387 shares of Inspire Medical Systems worth $7.23M as of Q3 2025.
  • Inspire Medical Systems was a new Cubist Systematic Strategies position in Q3 2025.
  • Inspire Medical Systems made up 0.03% of Cubist Systematic Strategies's portfolio in Q3 2025, its #744 holding.
  • Cubist Systematic Strategies first reported a position in Inspire Medical Systems in Q1 2019 and has held it in 21 quarters since.
  • Cubist Systematic Strategies's Inspire Medical Systems position peaked at $30M in Q1 2023.
  • 325 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.