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Inspire Medical Systems, Inc.

INSP
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001609550

In the last 90 days, Inspire Medical Systems, Inc. insiders filed 0 open-market purchases and 1 sale; 275 institutions reported holding it in 13F filings for Q2 2026, worth $1.65B in total; no superinvestor holds it.

13F holders, Q1 2023

Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
374
+37 vs. Q4 2022
Shares held
28.7M
+538.1K (+1.9%) vs. Q4 2022
Total value
$6.68B
−$419.3M (−5.9%) vs. Q4 2022
New holders
64
156 more added
Sold out
27
101 more reduced

3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting INSP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 374 institutions
Q1 2021: 251 institutionsQ2 2021: 248 institutionsQ3 2021: 254 institutionsQ4 2021: 289 institutionsQ1 2022: 299 institutionsQ2 2022: 287 institutionsQ3 2022: 301 institutionsQ4 2022: 340 institutionsQ1 2023: 374 institutionsQ2 2023: 407 institutionsQ3 2023: 365 institutionsQ4 2023: 343 institutionsQ1 2024: 327 institutionsQ2 2024: 325 institutionsQ3 2024: 347 institutionsQ4 2024: 357 institutionsQ1 2025: 363 institutionsQ2 2025: 356 institutionsQ3 2025: 325 institutionsQ4 2025: 343 institutionsQ1 2026: 301 institutionsQ2 2026: 275 institutions
Value heldQ1 2023: $6.68B
Q1 2021: $5.21BQ2 2021: $4.83BQ3 2021: $5.91BQ4 2021: $5.95BQ1 2022: $6.92BQ2 2022: $5.01BQ3 2022: $5.01BQ4 2022: $7.11BQ1 2023: $6.68BQ2 2023: $9.11BQ3 2023: $5.65BQ4 2023: $6.31BQ1 2024: $6.83BQ2 2024: $4.23BQ3 2024: $7.03BQ4 2024: $6.20BQ1 2025: $5.46BQ2 2025: $4.39BQ3 2025: $2.31BQ4 2025: $3.12BQ1 2026: $1.80BQ2 2026: $1.65B
Institutions holding INSP and their total value by quarter
QuarterHoldersValue
Q2 2026275$1.65B
Q1 2026301$1.80B
Q4 2025343$3.12B
Q3 2025325$2.31B
Q2 2025356$4.39B
Q1 2025363$5.46B
Q4 2024357$6.20B
Q3 2024347$7.03B
Q2 2024325$4.23B
Q1 2024327$6.83B
Q4 2023343$6.31B
Q3 2023365$5.65B
Q2 2023407$9.11B
Q1 2023374$6.68B
Q4 2022340$7.11B
Q3 2022301$5.01B
Q2 2022287$5.01B
Q1 2022299$6.92B
Q4 2021289$5.95B
Q3 2021254$5.91B
Q2 2021248$4.83B
Q1 2021251$5.21B

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2022.

Institutions holding INSP in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Legal & General Group Plc34,587$8.10M0.00%+1,733+5.3%Added
Thornburg Investment Management Inc33,496$7.84M0.13%+33,496New
STRS Ohio33,200$7.77M0.03%+1,100+3.4%Added
Oak Ridge Investments LLC32,380$7.58M1.03%−765−2.3%Reduced
Next Century Growth Investors LLC30,875$7.23M0.80%−6,795−18.0%Reduced
Jacobs Levy Equity Management, Inc30,608$7.16M0.04%−45,330−59.7%Reduced
Dimensional Fund Advisors LP29,905$7.00M0.00%+7,064+30.9%Added
Barclays PLC29,860$6.99M0.01%+19,729+194.7%Added
Susquehanna Fundamental Investments, LLC29,754$6.96M0.16%00.0%Unchanged
Susquehanna International Group, LLP29,100$6.81M0.01%+17,017+140.8%Added
Jump Financial, LLC28,195$6.60M0.27%+6,707+31.2%Added
Sectoral Asset Management Inc27,500$6.44M1.24%+9,300+51.1%Added
M&G Investment Management Ltd26,369$6.17M0.04%+12,691+92.8%Added
Deutsche Bank AG24,895$5.83M0.00%−12,742−33.9%Reduced
Miura Global Management, LLC24,000$5.62M3.27%−6,000−20.0%Reduced
Dynamic Technology Lab Private Ltd23,320$5.46M0.50%+18,500+383.8%Added
First Trust Advisors LP22,760$5.33M0.01%+16,537+265.7%Added
Trexquant Investment LP22,462$5.26M0.14%−5,736−20.3%Reduced
HSBC Holdings PLC20,899$4.89M0.01%+158+0.8%Added
Hillsdale Investment Management Inc.20,425$4.78M0.41%+18,025+751.0%Added
Neuberger Berman Group LLC20,370$4.77M0.00%+1,139+5.9%Added
Engineers Gate Manager LP19,743$4.62M0.19%+11,480+138.9%Added
Wells Fargo & Company19,708$4.61M0.00%+5,799+41.7%Added
Envestnet Asset Management Inc231,421$4.59M0.00%+212,406+1,117.0%Added
Allianz Asset Management GmbH19,027$4.45M0.01%−88−0.5%Reduced
ABN AMRO Bank N.V.18,150$4.26M0.10%+18,150New
Mutual of America Capital Management LLC18,119$4.24M0.05%−834−4.4%Reduced
Public Employees Retirement System of Ohio17,974$4.21M0.02%+773+4.5%Added
Tri Locum Partners LP17,523$4.10M1.25%+17,523New
Calamos Advisors LLC17,259$4.04M0.02%+2,094+13.8%Added
Algert Global LLC16,790$3.93M0.19%+4,943+41.7%Added
State of New Jersey Common Pension Fund D16,704$3.91M0.01%−462−2.7%Reduced
Royce & Associates LP16,488$3.86M0.04%+4,000+32.0%Added
Royal Bank of Canada16,231$3.80M0.00%−1,614−9.0%Reduced
Soleus Capital Management, L.P.15,600$3.65M0.45%−30,600−66.2%Reduced
Raymond James & Associates15,338$3.59M0.00%+648+4.4%Added
Voloridge Investment Management, LLC15,318$3.59M0.02%+14,239+1,319.6%Added
PDT Partners, LLC15,228$3.56M0.48%−2,625−14.7%Reduced
MetLife Investment Management14,993$3.51M0.03%+193+1.3%Added
Quantbot Technologies LP14,384$3.37M0.24%+6,084+73.3%Added
Evolutionary Tree Capital Management, LLC14,280$3.34M4.63%−13,667−48.9%Reduced
Kopp Family Office, LLC14,235$3.33M1.80%+7,258+104.0%Added
American International Group, Inc.13,803$3.23M0.02%+450+3.4%Added
Janus Henderson Group PLC13,634$3.19M0.00%+7,737+131.2%Added
Advisor Group Holdings, Inc.13,311$3.12M0.01%−1,648−11.0%Reduced
Baird Financial Group, Inc.13,239$3.10M0.01%+414+3.2%Added
Bullseye Asset Management LLC13,187$3.09M1.57%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.13,044$3.05M0.01%+309+2.4%Added
Altium Capital Management LP12,500$2.93M1.75%+12,500New
Arrowstreet Capital, Limited Partnership11,890$2.78M0.00%−11,581−49.3%Reduced
Lisanti Capital Growth, LLC11,878$2.78M0.39%−49,126−80.5%Reduced
Manufacturers Life Insurance Company, The11,484$2.69M0.00%+68+0.6%Added
Moore Capital Management, LP11,291$2.64M0.08%−8,709−43.5%Reduced
Putnam Investments LLC11,261$2.64M0.00%−1,942−14.7%Reduced
Teacher Retirement System of Texas10,916$2.56M0.02%+3,137+40.3%Added
Walleye Capital LLC9,919$2.32M0.05%−12,922−56.6%Reduced
Natixis9,820$2.30M0.02%−6,721−40.6%Reduced
UBS Oconnor LLC9,765$2.29M0.05%+9,765New
Bokf, NA9,765$2.29M0.05%−825−7.8%Reduced
Truist Financial Corp8,770$2.05M0.00%−1,502−14.6%Reduced
Zacks Investment Management8,736$2.04M0.03%+2,839+48.1%Added
Prentiss Smith & Co Inc8,521$1.99M1.48%−187−2.1%Reduced
AQR Capital Management LLC8,442$1.98M0.00%+745+9.7%Added
Los Angeles Capital Management LLC8,416$1.97M0.01%+1,862+28.4%Added
Arizona State Retirement System8,371$1.96M0.02%+249+3.1%Added
State Board of Administration of Florida Retirement System8,144$1.91M0.00%−540−6.2%Reduced
EFG Asset Management (North America) Corp.8,003$1.87M0.41%−1,856−18.8%Reduced
Blair William & Co7,203$1.69M0.01%+21+0.3%Added
Silvant Capital Management LLC7,000$1.64M0.11%00.0%Unchanged
Valeo Financial Advisors, LLC6,875$1.61M0.08%+56+0.8%Added
Graham Capital Management, L.P.6,814$1.59M0.06%+10+0.1%Added
Commonwealth Equity Services, LLC6,774$1.58M0.00%+36+0.5%Added
LPL Financial LLC6,612$1.55M0.00%+548+9.0%Added
Two Sigma Investments, LP6,500$1.52M0.00%−400−5.8%Reduced
Gotham Asset Management, LLC6,384$1.49M0.04%−5,210−44.9%Reduced
Janney Montgomery Scott LLC6,131$1.44M0.01%+4,812+364.8%Added
Oberweis Asset Management Inc5,950$1.39M0.22%+2,100+54.5%Added
Tudor Investment Corp Et Al5,922$1.39M0.03%+5,922New
Campbell & CO Investment Adviser LLC5,827$1.36M0.25%−236−3.9%Reduced
Kula Investments, LLC5,716$1.34M0.33%+4,318+308.9%Added
Duality Advisers, LP5,706$1.34M0.15%+3,204+128.1%Added
Asset Management Corp5,611$1.31M1.03%−1,143−16.9%Reduced
Connable Office Inc5,581$1.31M0.19%00.0%Unchanged
Guggenheim Capital LLC5,424$1.27M0.01%−541−9.1%Reduced
SG Americas Securities, LLC5,365$1.26M0.02%+3,903+267.0%Added
Apollon Wealth Management, LLC4,946$1.16M0.07%−180−3.5%Reduced
Teachers Retirement System of the State of Kentucky4,912$1.15M0.01%+2,523+105.6%Added
Virtu Financial LLC4,907$1.15M0.12%+32+0.7%Added
First Republic Investment Management, Inc.4,870$1.14M0.00%+250+5.4%Added
Handelsbanken Fonder AB4,700$1.10M0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)4,522$1.06M0.01%+203+4.7%Added
Winton Group Ltd4,422$1.04M0.06%+143+3.3%Added
Stifel Financial Corp4,351$1.02M0.00%−534−10.9%Reduced
Harbour Capital Advisors, LLC4,356$1.02M0.31%+4,356New
Mariner, LLC4,332$1.01M0.00%+3,072+243.8%Added
Diversified Trust Co4,295$1.01M0.04%+379+9.7%Added
Summit Global Investments4,289$1.00M0.08%+4,289New
Panagora Asset Management Inc4,286$1.00M0.01%+1,672+64.0%Added
Alpha DNA Investment Management LLC4,275$1.00M0.51%+4,275New
Citigroup Inc4,253$995.5K0.00%+2,864+206.2%Added