Inspire Medical Systems, Inc.· INSP

🇺🇸 US · SmallSP600NYSE

HealthcareMedical - DevicesWebsite

Price: $64.14
Day: +22.83%
Mkt Cap: $1.85B
52W Range: $38.91 – $147.03
Volume: 2.33M
Beta: 0.67

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

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Inspire Medical Systems, Inc.

INSP|Healthcare|Medical - Devices

Current price: $64

Smart Money

Dimension 5 of 5

Insider Activity, Q2 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow-$175.9K

Net share flow-4.0K

Purchases0 ($0)

Sales3 ($175.9K)

Top Notable Transactions

Insider

Type

Value

Date

Ban Randy

Sale

$81.7M

Mar 1

Herbert Timothy P.

Sale

$18.6M

Mar 29

Herbert Timothy P.

Sale

$5.1M

Feb 14

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership120.5%

13F share flow-73.7%

Investors holding312

+239 adding-200 reducing

181

102

New 58Inc 181Red 98Closed 102

Top Institutional Holders

Institution

Value

Change

BLACKROCK, INC.

$183.1M

-0.0%

DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C)

$139.4M

+79.5%

WELLINGTON MANAGEMENT GROUP LLP

$130.8M

+14.7%

MORGAN STANLEY

$74.8M

+15.2%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting168

Total shares held7.9M

Share flow-24.2%

30 buying22 selling

116

Buying 30Unchanged 116Selling 22

Top Fund Holders

Fund

Weight

Change

VANGUARD ADMIRAL FUNDS

120.9K

2.26%

+817

VANGUARD WORLD FUND

90.7K

0.03%

+272

NEUBERGER BERMAN EQUITY FUNDS

76.9K

0.47%

MFS SERIES TRUST I

67.9K

0.30%

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated August 5, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

INSP Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.3/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

Institutional Flow

50% weight

+18

Fund Flow

10% weight

+25

Overall Smart Money sentiment of 3.3/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated August 4, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Activity for INSP

Net insider share flow by quarter (C-suite & director purchases minus sales)

Neutral

Routine insider selling in Q2 2026

3 sales totaling $175.9K (4.0K shares)

Share volume is below the historical pace (0.4x average)

Buying seen in 2 of 7 quarters

Steady selling pace across recent quarters

Notable Recent Transactions, INSP

Top 8 highest-value recent insider trades

Ban Randy

Officer

Sell

3,135 shares at $26074.00

Mar 1, 2023$81.74M

Herbert Timothy P.

CEO

Sell

74,315 shares at $250.20

Mar 29, 2022$18.59M

Herbert Timothy P.

CEO

Sell

18,642 shares at $275.47

Feb 14, 2023$5.14M

Herbert Timothy P.

CEO

Sell

18,731 shares at $225.35

Mar 17, 2022$4.22M

Buchholz Richard

Officer

Sell

15,000 shares at $230.03

Apr 17, 2024$3.45M

Herbert Timothy P.

CEO

Sell

13,619 shares at $251.06

Mar 29, 2022$3.42M

Herbert Timothy P.

CEO

Sell

11,715 shares at $275.17

Feb 15, 2023$3.22M

Herbert Timothy P.

CEO

Sell

11,645 shares at $205.27

Apr 1, 2024$2.39M

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Ownership Over Time for INSP

Total dollar value invested by institutions each quarter

Neutral

Mixed institutional activity in Q1 2026

120.5% institutional ownership

Balanced activity: 239 adding vs 200 reducing

13F shares increased by 2.8%, a notable change

Momentum weakening from prior quarter

Position Changes

Q2 2026: how are institutions adjusting their positions?

+63 growing-275 shrinkingNet: -212

256

New (23)

Increased (40)

Reduced (19)

Closed (256)

Top Institutional Holders, INSP

Largest 8 institutional positions by ownership percentage as of Q2 2026

ASSENAGON ASSET MANAGEMENT S.A.

864.4K

$38.6M

Ownership

3.01%

+66.2%

ABRDN PLC

359.0K

$16.0M

Ownership

1.25%

-24.8%

WALLEYE CAPITAL LLC

245.8K

$11.0M

Ownership

0.86%

-31.4%

PRINCIPAL FINANCIAL GROUP INC

128.2K

$5.7M

Ownership

0.45%

+1.1%

VALUES FIRST ADVISORS, INC.

79.2K

$26

Ownership

0.28%

+100.0%

CITIGROUP INC

77.8K

$3.5M

Ownership

0.27%

+146.1%

NEW YORK STATE COMMON RETIREMENT FUND

72.4K

$3.2M

Ownership

0.25%

+2.2%

Y-INTERCEPT (HONG KONG) LTD

55.7K

$2.5M

Ownership

0.19%

-64.8%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 168 ETFs and mutual funds reporting

30 buying22 sellingNet: +8

116

Buying (30)

Unchanged (116)

Selling (22)

Bullish Signal

Funds accumulating in Q2 2026

168 ETFs and mutual funds reporting

30 buying vs 22 selling (balanced)

Top Fund Holders, INSP

Largest 8 ETF and mutual fund positions by shares held as of latest filing

VANGUARD ADMIRAL FUNDS

120.9K

Weight

2.26%

Increased

VANGUARD WORLD FUND

90.7K

Weight

0.03%

Increased

NEUBERGER BERMAN EQUITY FUNDS

76.9K

Weight

0.47%

No change

MFS SERIES TRUST I

67.9K

Weight

0.30%

No change

TRUST FOR PROFESSIONAL MANAGERS

55.0K

Weight

0.01%

No change

VANGUARD SCOTTSDALE FUNDS

54.2K

Weight

0.00%

Increased

Fidelity Central Investment Portfolios LLC

50.0K

Weight

0.27%

No change

ALPS ETF Trust

8.4K

Weight

0.02%

Increased

Inspire Medical Systems, Inc.· INSP

Holdings Analysis

Insider Trading Activity

1.3Transaction History130Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings86Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History130Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings86Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights