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Inspire Medical Systems, Inc.

INSPNYSE
$69.97-0.81 (-1.14%)as of Oct 2, 2026
Legend
Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds
bought vs sold
Greener markers show more buyers; redder markers show more sellers.
Company share activityNet buybacksNo changeNet dilution
Marker size reflects transaction size.
  • Insider buy
  • Insider sell
  • Congress buy
  • Congress sell
  • Hedge Funds bought vs sold
Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

  • Insider Buy
  • Insider Sell
  • Congress Buy
  • Congress Sell
  • Hedge funds bought vs sold
  • BuybackNo changeNet dilution

Inspire Medical Systems, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-5.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding

Largest institutional holders

13F · Q2 2026
Fund% of company heldValue% of portfolioQuarterly activity
BlackRock, Inc.16.39%$211M0.00%Not reported
Wellington Management Group LLP8.24%$106M0.02%Reduce 6.04%
Vanguard Portfolio Management LLC7.23%$93.2M0.00%Not reported
Soleus Capital Management, L.P.6.68%$86.2M2.97%Not reported
AQR Capital Management LLC6.42%$80.9M0.03%Not reported
Assenagon Asset Management S.A.5.98%$77.1M0.05%Not reported
UBS Group AG5.69%$73.4M0.01%Not reported
D. E. Shaw & Co., Inc.5.09%$65.6M0.03%Not reported
Nomura Holdings Inc4.74%$61.1M0.07%Not reported
Deerfield Management Company, L.P.4.49%$57.9M0.60%Reduce 52.03%
Vanguard Capital Management LLC4.40%$56.7M0.00%Not reported
State Street Corp4.17%$53.8M0.00%Not reported
Morgan Stanley2.74%$35.3M0.00%Not reported
Artisan Partners Limited Partnership2.53%$32.7M0.05%Reduce 6.18%
Geode Capital Management, LLC2.42%$31.3M0.00%Not reported
Braidwell LP2.34%$30.2M1.12%Not reported
Goldman Sachs Group Inc2.23%$28.8M0.00%Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC1.89%$24.4M0.00%Not reported
Nantahala Capital Management, LLC1.86%$24M0.40%New Not reported
Citadel Advisors LLC1.75%$22.6M0.00%Not reported
SG Americas Securities, LLC1.70%$21.9M0.01%Not reported
BNP Paribas Financial Markets1.48%$19.1M0.01%Not reported
Renaissance Technologies LLC1.47%$19M0.03%Not reported
ADAR1 Capital Management, LLC1.30%$16.7M0.76%Reduce 7.55%
Aberdeen Group plc1.24%$16M0.02%Reduce 24.82%
Northern Trust Corp1.16%$14.9M0.00%Not reported
Barclays PLC1.06%$13.7M0.00%Not reported
Federated Hermes, Inc.0.94%$12.1M0.02%Not reported
FMR LLC0.93%$11.9M0.00%Not reported
Bank of America Corp0.86%$11.1M0.00%Not reported
Walleye Capital LLC0.85%$11M0.04%Not reported
Rock Springs Capital Management LP0.84%$10.9M0.53%Add 85.13%
Capital Fund Management S.A.0.76%$9.81M0.04%Add 101.69%
Charles Schwab Investment Management Inc0.73%$9.37M0.00%Not reported
Norges Bank0.69%$8.84M0.00%Not reported
Vanguard Fiduciary Trust Co0.66%$8.5M0.00%Not reported
Deutsche Bank Ag\0.61%$7.86M0.00%Not reported
Tudor Investment Corp Et Al0.59%$7.54M0.01%Not reported
Canada Pension Plan Investment Board0.57%$7.37M0.00%Add 0.61%
Bank of New York Mellon Corp0.51%$6.63M0.00%Not reported
Quantinno Capital Management LP0.48%$6.14M0.01%Add 418.23%
Edgestream Partners, L.P.0.46%$5.97M0.18%Add 62.60%
Principal Financial Group Inc0.44%$5.72M0.00%Not reported
Alberta Investment Management Corp0.43%$5.48M0.03%Not reported
Rheos Capital Works Inc.0.41%$5.24M0.30%Not reported
Dimensional Fund Advisors LP0.40%$5.17M0.00%Not reported
Invesco Ltd.0.38%$4.92M0.00%Not reported
Victory Capital Management Inc0.37%$4.8M0.00%Not reported
Integral Health Asset Management, LLC0.35%$4.46M0.18%New Not reported
Millennium Management LLC0.33%$4.2M0.00%Not reported
50 of 255 holders

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