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Polar Asset Management Partners’s Inspire Medical Systems INSP Stock Holding History

Polar Asset Management Partners’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
-25,000
Closed -$2.31M – 760
2025
Q4 		$2.31M Buy
+25,000
New +$2.39M 0.03% 359
2025
Q1 		– Sell
-5,100
Closed -$945K – 639
2024
Q4 		$945K Buy
+5,100
New +$990K 0.01% 446
2024
Q3 		– Sell
-29,800
Closed -$3.99M – 772
2024
Q2 		$3.99M Buy
+29,800
New +$5.64M 0.08% 232
2024
Q1 		– Sell
-39,800
Closed -$8.1M – 828
2023
Q4 		$8.1M Buy
+39,800
New +$6.45M 0.14% 144
2023
Q3 		– Sell
-24,482
Closed -$7.95M – 928
2023
Q2 		$7.95M Sell
24,482
-129,020
-84% -$36.9M 0.14% 183
2023
Q1 		$35.9M Buy
153,502
+9,700
+7% +$2.45M 0.55% 22
2022
Q4 		$36.2M Buy
143,802
+35,800
+33% +$7.63M 0.44% 25
2022
Q3 		$19.2M Buy
108,002
+96,202
+815% +$19.3M 0.23% 93
2022
Q2 		$2.16M Sell
11,800
-21,600
-65% -$4.31M 0.03% 679
2022
Q1 		$8.57M Sell
33,400
-42,200
-56% -$9.64M 0.09% 281
2021
Q4 		$17.4M Buy
75,600
+16,196
+27% +$3.95M 0.18% 124
2021
Q3 		$13.8M Sell
59,404
-13,700
-19% -$2.86M 0.14% 184
2021
Q2 		$14.1M Buy
+73,104
New +$14.5M 0.14% 161

Other funds holding INSP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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

Polar Asset Management Partners's INSP Position: Q1 2026 in Review

Polar Asset Management Partners sold out of Inspire Medical Systems (INSP) in Q1 2026, closing a stake of 25,000 shares — an estimated $2.31M sold.

Polar Asset Management Partners first reported a position in INSP in Q2 2021 and held it in 13 quarters. The position peaked at $36.2M in Q4 2022. 301 funds tracked by Wall St. Rank hold INSP as of Q1 2026.

  • Polar Asset Management Partners reported no remaining Inspire Medical Systems position as of Q1 2026 after selling out during the quarter.
  • Polar Asset Management Partners sold 25,000 Inspire Medical Systems shares in Q1 2026, an estimated $2.31M.
  • Polar Asset Management Partners first reported a position in Inspire Medical Systems in Q2 2021 and held it in 13 quarters.
  • Polar Asset Management Partners's Inspire Medical Systems position peaked at $36.2M in Q4 2022.
  • 301 funds tracked by Wall St. Rank held Inspire Medical Systems as of Q1 2026.

Based on Polar Asset Management Partners's 13F filing for Q1 2026, filed 15 May 2026.