Two Sigma Advisers
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Two Sigma Advisers’s Inspire Medical Systems INSP Stock Holding History

Two Sigma Advisers’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
Q1 		– Sell
-6,200
Closed -$572K – 1048
2025
Q4 		$572K Sell
6,200
-13,800
-69% -$1.32M ﹤0.01% 1725
2025
Q3 		$1.48M Buy
+20,000
New +$2.02M ﹤0.01% 1271
2025
Q2 		– Sell
-7,600
Closed -$1.21M – 2418
2025
Q1 		$1.21M Buy
+7,600
New +$1.37M ﹤0.01% 1386
2024
Q4 		– Sell
-1,600
Closed -$338K – 2429
2024
Q3 		$338K Buy
+1,600
New +$278K ﹤0.01% 1866
2023
Q3 		– Sell
-26,000
Closed -$8.44M – 2477
2023
Q2 		$8.44M Buy
26,000
+23,600
+983% +$6.74M 0.02% 561
2023
Q1 		$562K Buy
+2,400
New +$607K ﹤0.01% 1895
2020
Q4 		– Sell
-1,900
Closed -$245K – 2488
2020
Q3 		$245K Sell
1,900
-4,800
-72% -$529K ﹤0.01% 2089
2020
Q2 		$583K Buy
6,700
+2,600
+63% +$200K ﹤0.01% 1825
2020
Q1 		$247K Buy
+4,100
New +$303K ﹤0.01% 2097
2019
Q3 		– Sell
-5,100
Closed -$309K – 2304
2019
Q2 		$309K Sell
5,100
-1,000
-16% -$53.9K ﹤0.01% 2003
2019
Q1 		$346K Buy
+6,100
New +$330K ﹤0.01% 1941

Other funds holding INSP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DM
Deerfield Management New York $9.59B AUM 113.36% 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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

Two Sigma Advisers's INSP Position: Q1 2026 in Review

Two Sigma Advisers sold out of Inspire Medical Systems (INSP) in Q1 2026, closing a stake of 6,200 shares — an estimated $572K sold.

Two Sigma Advisers first reported a position in INSP in Q1 2019 and held it in 11 quarters. The position peaked at $8.44M in Q2 2023. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

  • Two Sigma Advisers reported no remaining Inspire Medical Systems position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Advisers sold 6,200 Inspire Medical Systems shares in Q1 2026, an estimated $572K.
  • Two Sigma Advisers first reported a position in Inspire Medical Systems in Q1 2019 and held it in 11 quarters.
  • Two Sigma Advisers's Inspire Medical Systems position peaked at $8.44M in Q2 2023.
  • 301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.