InspireMD, Inc.
InspireMD, Inc. (NSPR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · NSPR · as of Sep 30, 2025
Ownership Breakdown
41
Institutional Holders
▲ 5 vs Q2
$54.78M
Total Inst. Value
▲ $22.86M vs Q2
46.84M
Shares Outstanding
freeFloat 56.14%
22.73M
13F Shares Held
▲ 8.67M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
NSPR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
ROSALIND ADVISORS, INC. surgical & medical instruments & apparatus | 3.91M | 7.66% | 7.66% | $9.41B | Nov 13, 2025 | ▲ 1.62M |
NANTAHALA CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 3.38M | 6.62% | 6.62% | $8.14B | Nov 14, 2025 | ▲ 1.06M |
ABRDN PLC surgical & medical instruments & apparatus | 2.48M | 4.86% | 4.86% | $5.98B | Nov 7, 2025 | NEW |
PARKMAN HEALTHCARE PARTNERS LLC surgical & medical instruments & apparatus | 2.44M | 4.79% | 4.79% | $5.88B | Nov 14, 2025 | ▲ 1.21M |
VELAN CAPITAL INVESTMENT MANAGEMENT LP surgical & medical instruments & apparatus | 2.14M | 4.20% | 4.20% | $5.17B | Nov 14, 2025 | ▲ 1.24M |
ORBIMED ADVISORS LLC surgical & medical instruments & apparatus | 2.13M | 4.18% | 4.18% | $5.14B | Nov 14, 2025 | — held |
MARSHALL WACE, LLP surgical & medical instruments & apparatus | 1.86M | 3.65% | 3.65% | $4.48B | Nov 13, 2025 | — held |
SOLEUS CAPITAL MANAGEMENT, L.P. surgical & medical instruments & apparatus | 1.47M | 2.88% | 2.88% | $3.54B | Nov 14, 2025 | ▼ 415.3K |
GHISALLO CAPITAL MANAGEMENT LLC surgical & medical instruments & apparatus | 921.6K | 1.81% | 1.81% | $2.22B | Nov 14, 2025 | NEW |
PURA VIDA INVESTMENTS, LLC surgical & medical instruments & apparatus | 450.5K | 88.33% | 88.33% | $1.09B | Nov 12, 2025 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
16
Increased
+5.60M shares9
New Positions
first time holders3
Decreased
−435.2K shares5
Sold Out
fully exitedNet shares change (top 50)
+5.17M
+5.60M / −435.2K
Net new holders
+17
9 new / 5 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
NSPR insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
11
Buy transactions
1
Sell transactions
11.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Stuka Paul director | May 27, 2026 | Purchase | 20,000 | $0.88 | $17.5K | 667.9K | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | Jan 27, 2025 | Sale | 3,858 | $2.71 | $10.5K | 1.14M | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | Jan 28, 2025 | Sale | 2,476 | $2.61 | $6.5K | 1.13M | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | Jan 29, 2025 | Sale | 3,660 | $2.46 | $9.0K | 1.13M | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | Jan 30, 2025 | Sale | 2,454 | $2.51 | $6.2K | 1.13M | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | Jan 31, 2025 | Sale | 9,923 | $2.55 | $25.3K | 1.12M | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | Feb 3, 2025 | Sale | 7,073 | $2.51 | $17.8K | 1.11M | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | Feb 4, 2025 | Sale | 5,132 | $2.46 | $12.6K | 1.10M | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | Feb 25, 2025 | Sale | 10,000 | $3.65 | $36.5K | 1.09M | Form 4 ↗ |
Gleason Shane Thomas Chief Commercial Officer | May 23, 2025 | Sale | 2,482 | $2.51 | $6.2K | 1.09M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
InspireMD, Inc. (NSPR) is primarily owned by institutional investors, who hold approximately 48.5% of total shares outstanding. Company insiders own approximately 43.86%, while retail and public investors account for the remaining 7.61%.
The largest institutional shareholder of InspireMD, Inc. is ROSALIND ADVISORS, INC., holding approximately 3.91 million shares — equal to 7.66% of outstanding shares — as of September 30, 2025.
A total of 41 institutional investors currently hold NSPR stock, with a combined institutional value of approximately $54,780,845 as of the most recent 13F filing period.
Frequently asked questions
NSPR ownershipInspireMD, Inc. (NSPR) is primarily owned by institutional investors, who hold approximately 48.5% of shares. The largest shareholder is ROSALIND ADVISORS, INC. with a 7.66% stake. Company insiders hold 43.86%. Data sourced from SEC Form 13F as of September 30, 2025.