IRadimed Corporation
IRadimed Corporation (IRMD) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · IRMD · as of Sep 30, 2025
Ownership Breakdown
186
Institutional Holders
▲ 22 vs Q2
$491.94M
Total Inst. Value
▲ $70.34M vs Q2
12.78M
Shares Outstanding
freeFloat 65.08%
6.91M
13F Shares Held
▼ 138,271 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
IRMD largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. surgical & medical instruments & apparatus | 1.02M | 7.99% | 7.99% | $72.29B | Nov 12, 2025 | ▲ 53.5K |
NINE TEN CAPITAL MANAGEMENT LLC surgical & medical instruments & apparatus | 771.4K | 6.07% | 6.07% | $54.89B | Nov 14, 2025 | ▼ 100.6K |
VANGUARD GROUP INC surgical & medical instruments & apparatus | 566.5K | 4.46% | 4.46% | $40.31B | Nov 7, 2025 | ▲ 5.5K |
RENAISSANCE TECHNOLOGIES LLC surgical & medical instruments & apparatus | 488.8K | 3.84% | 3.84% | $34.78B | Nov 13, 2025 | ▼ 3.0K |
COPELAND CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 433.5K | 3.41% | 3.41% | $30.85B | Oct 17, 2025 | ▼ 24.4K |
GEODE CAPITAL MANAGEMENT, LLC surgical & medical instruments & apparatus | 266.3K | 2.09% | 2.09% | $18.95B | Nov 12, 2025 | ▲ 5.0K |
DIMENSIONAL FUND ADVISORS LP surgical & medical instruments & apparatus | 214.6K | 1.69% | 1.69% | $15.27B | Nov 12, 2025 | ▼ 875 |
STATE STREET CORP surgical & medical instruments & apparatus | 187.2K | 1.47% | 1.47% | $13.32B | Nov 14, 2025 | ▲ 9.8K |
GOLDMAN SACHS GROUP INC surgical & medical instruments & apparatus | 149.8K | 1.18% | 1.18% | $10.66B | Nov 14, 2025 | ▲ 6.1K |
ACADIAN ASSET MANAGEMENT LLC surgical & medical instruments & apparatus | 145.3K | 1.14% | 1.14% | $10.33B | Nov 13, 2025 | ▼ 9.0K |
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
20
Increased
+255.2K shares1
New Positions
first time holders28
Decreased
−374.9K shares0
Sold Out
fully exitedNet shares change (top 50)
119.7K
+255.2K / −374.9K
Net new holders
-7
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
IRMD 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.
0
Buy transactions
51
Sell transactions
0.00
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 |
|---|---|---|---|---|---|---|---|
Scharen-Guivel Hilda Frederique director | Jun 4, 2026 | Sale | 1,766 | $95.00 | $167.8K | 6.8K | Form 4 ↗ |
Scharen-Guivel Hilda Frederique director | Jun 4, 2026 | Sale | 1,234 | $95.00 | $117.2K | 5.6K | Form 4 ↗ |
Susi Roger E. CEO, President, Chairman | Jun 1, 2026 | Sale | 400 | $88.68 | $35.5K | 2.16M | Form 4 ↗ |
Susi Roger E. CEO, President, Chairman | Jun 1, 2026 | Sale | 775 | $89.79 | $69.6K | 2.16M | Form 4 ↗ |
Susi Roger E. CEO, President, Chairman | Jun 1, 2026 | Sale | 401 | $91.08 | $36.5K | 2.16M | Form 4 ↗ |
Susi Roger E. CEO, President, Chairman | Jun 1, 2026 | Sale | 924 | $91.91 | $84.9K | 2.16M | Form 4 ↗ |
Susi Roger E. CEO, President, Chairman | May 26, 2026 | Sale | 3,111 | $91.81 | $285.6K | 2.17M | Form 4 ↗ |
Susi Roger E. CEO, President, Chairman | May 26, 2026 | Sale | 1,889 | $92.93 | $175.5K | 2.17M | Form 4 ↗ |
Susi Roger E. CEO, President, Chairman | May 27, 2026 | Sale | 2,167 | $91.85 | $199.0K | 2.17M | Form 4 ↗ |
Susi Roger E. CEO, President, Chairman | May 27, 2026 | Sale | 333 | $92.61 | $30.8K | 2.17M | 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
IRadimed Corporation (IRMD) is primarily owned by institutional investors, who hold approximately 54.1% of total shares outstanding. Company insiders own approximately 34.92%, while retail and public investors account for the remaining 11.00%.
The largest institutional shareholder of IRadimed Corporation is BLACKROCK, INC., holding approximately 1.02 million shares — equal to 7.99% of outstanding shares — as of September 30, 2025.
A total of 186 institutional investors currently hold IRMD stock, with a combined institutional value of approximately $491,935,762 as of the most recent 13F filing period.
Frequently asked questions
IRMD ownershipIRadimed Corporation (IRMD) is primarily owned by institutional investors, who hold approximately 54.1% of shares. The largest shareholder is BLACKROCK, INC. with a 7.99% stake. Company insiders hold 34.92%. Data sourced from SEC Form 13F as of September 30, 2025.