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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 2021

Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 2021. 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
251
No complete 13F data for Q4 2020
Shares held
25.2M
No complete 13F data for Q4 2020
Total value
$5.21B
No complete 13F data for Q4 2020

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 2021: 251 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 2021: $5.21B
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 2021

Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding INSP in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Cormorant Asset Management, LP85,000$17.6M0.51%––
Miura Global Management, LLC95,000$19.7M3.51%––
Rock Springs Capital Management LP100,000$20.7M0.45%––
Bank of America Corp100,613$20.8M0.00%––
Nicholas Investment Partners, LP101,046$20.9M1.46%––
Waddell & Reed Financial Inc101,096$20.9M0.04%––
First Trust Advisors LP104,733$21.7M0.03%––
UBS Asset Management Americas Inc108,159$22.4M0.01%––
Point72 Asset Management, L.P.110,843$22.9M0.12%––
JPMorgan Chase & Co112,367$23.3M0.00%––
Granite Investment Partners, LLC115,793$24.0M0.80%––
Bank of New York Mellon Corp116,321$24.1M0.00%––
Adage Capital Partners GP, L.L.C.120,000$24.8M0.05%––
Nuveen Asset Management, LLC127,353$26.4M0.01%––
Thrivent Financial for Lutherans128,326$26.6M0.06%––
Atika Capital Management LLC148,000$30.6M3.19%––
Jennison Associates LLC185,566$38.4M0.03%––
Artisan Partners Limited Partnership186,494$38.6M0.05%––
Wells Fargo & Company189,925$39.3M0.01%––
Charles Schwab Investment Management Inc192,333$39.8M0.01%––
Norges Bank193,176$40.0M0.01%––
Pura Vida Investments, LLC204,187$42.3M2.92%––
Eagle Asset Management Inc208,880$43.4M0.19%––
Driehaus Capital Management LLC221,184$45.8M0.68%––
TimesSquare Capital Management, LLC227,880$47.2M0.40%––
Price T Rowe Associates Inc230,479$47.7M0.00%––
Principal Financial Group Inc265,834$55.0M0.04%––
Morgan Stanley293,232$60.7M0.01%––
Bellevue Group AG320,188$66.3M0.70%––
Marshall Wace North America L.P.323,235$66.9M0.28%––
Northern Trust Corp335,117$69.4M0.01%––
Loomis Sayles & Co L P356,331$73.8M0.10%––
Marshall Wace, LLP367,471$76.1M0.40%––
Bamco Inc373,935$77.4M0.19%––
Victory Capital Management Inc381,056$78.9M0.08%––
D. E. Shaw & Co., Inc.395,119$81.8M0.10%––
Geode Capital Management, LLC429,469$88.9M0.01%––
Federated Hermes, Inc.474,131$98.1M0.19%––
State Street Corp494,455$102.3M0.01%––
Champlain Investment Partners, LLC595,340$123.2M0.64%––
William Blair Investment Management, LLC643,181$133.1M0.43%––
Wasatch Advisors Inc650,949$134.7M0.61%––
Credit Suisse AG687,961$142.4M0.11%––
Gilder Gagnon Howe & Co LLC854,682$176.9M0.95%––
Fred Alger Management, LLC861,755$178.4M0.47%––
Invesco Ltd.875,485$181.2M0.05%––
Lord, Abbett & Co. LLC996,583$206.3M0.53%––
Franklin Resources Inc1,080,753$223.7M0.09%––
BlackRock Inc.2,002,216$414.4M0.01%––
Vanguard Group Inc2,476,600$512.6M0.01%––
FMR LLC2,742,463$567.7M0.05%––