Latest Period
Q1 2026
Security Snapshot
IRADIMED CORP - Common Stock, par value $0.0001 per share (IRMD) Institutional Ownership
CUSIP: 46266A109
13F Institutional Holders and Ownership History from Q3 2014 to Q1 2026
Institutions Reporting
226
Shares (Excl. Options)
7,621,108
Price
$96.26
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- IRMD on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 7,621,108
- Total 13F value
- $733,500,345
- Portfolio coverage rank
- 0%
- Share change
- +207,140
- Value change
- +$19,787,730
- Number of holders
- 226
- Shares outstanding
- 12,788,649
- SEC-reported price per share
- $88.50
- Insider filing price
- $88.50
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- IRMD - IRADIMED CORP - Common Stock, par value $0.0001 per share is tracked under CUSIP 46266A109.
- 226 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 216 to 226 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $721,983,224 to $733,500,345.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 226 institutions filings for Q1 2026.
Security key
46266A109
Latest holder period
Q1 2026
13F holders
226
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
IRMD full holder history
IRADIMED CORP SEC filings
IRADIMED CORP company facts
IRADIMED CORP insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 46266A109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
IRMD
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Susi Roger E. | 35% | $428,400,317 | 4,450,450 | Roger E. Susi | 31 Mar 2026 | |||
| BlackRock, Inc. | 3.9% | $26,667,581 | 496,603 | BlackRock, Inc. | 31 Mar 2025 | |||
| Nine Ten Capital Management LLC | 3.4% | -53% | $42,119,289 | -$46,933,237 | 428,477 | -53% | Nine Ten Capital Management | 31 Dec 2025 |
As of 31 Mar 2026, 226 institutional investors reported holding 7,621,108 shares of IRADIMED CORP - Common Stock, par value $0.0001 per share (IRMD). This represents 60% of the company’s total 12,788,649 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
43%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.6% | 967,787 | -3.4% | 0% | $93,159,199 |
| RENAISSANCE TECHNOLOGIES LLC | 3.4% | 440,712 | -3.4% | 0.07% | $42,422,937 |
| Copeland Capital Management, LLC | 2.8% | 359,325 | -13% | 0.77% | $34,588,697 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.8% | 358,620 | 0% | 0% | $34,520,761 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 2.7% | 349,316 | +4.8% | 0.1% | $33,625,158 |
| Nine Ten Capital Management LLC | 2.6% | 334,488 | -22% | 10% | $32,198,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 286,563 | +9.4% | 0% | $27,588,436 |
| T. Rowe Price Investment Management, Inc. | 2% | 256,697 | +0.32% | 0.02% | $24,710,000 |
| DIMENSIONAL FUND ADVISORS LP | 1.8% | 226,146 | +4.2% | 0% | $21,768,139 |
| STATE STREET CORP | 1.6% | 204,528 | +6% | 0% | $19,687,865 |
| GOLDMAN SACHS GROUP INC | 1.5% | 197,945 | -3.5% | 0% | $19,054,186 |
| TWO SIGMA INVESTMENTS, LP | 1.3% | 165,669 | +155% | 0.01% | $15,947,298 |
| ACADIAN ASSET MANAGEMENT LLC | 1.2% | 151,837 | +1.6% | 0.02% | $14,607,000 |
| MORGAN STANLEY | 1.2% | 149,839 | +11% | 0% | $14,423,563 |
| NORTHERN TRUST CORP | 0.97% | 123,636 | -6.4% | 0% | $11,901,201 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.96% | 122,425 | 0% | 0% | $11,784,631 |
| Ranger Investment Management, L.P. | 0.87% | 111,085 | -0.35% | 0.77% | $10,693,042 |
| Russell Investments Group, Ltd. | 0.78% | 99,498 | -8.9% | 0.01% | $9,577,808 |
| ALGERT GLOBAL LLC | 0.69% | 88,056 | +2.8% | 0.13% | $8,476,000 |
| Nuveen, LLC | 0.67% | 86,129 | +269% | 0% | $8,290,778 |
| Qube Research & Technologies Ltd | 0.65% | 83,449 | +37% | 0.01% | $8,032,801 |
| Bank of New York Mellon Corp | 0.62% | 79,877 | -6.6% | 0% | $7,688,924 |
| ENVESTNET ASSET MANAGEMENT INC | 0.59% | 75,460 | +19% | 0% | $7,263,745 |
| SEI INVESTMENTS CO | 0.58% | 74,304 | +17% | 0.01% | $7,153,114 |
| SG Americas Securities, LLC | 0.58% | 73,561 | +4.5% | 0.01% | $7,081,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
47
Latest
Q1 2026
Rows shown
1-25 of 47
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 7,621,108 | $733,500,345 | +$19,787,730 | $96.26 | 226 |
| 2025 Q4 | 7,420,963 | $721,983,224 | +$50,972,398 | $97.28 | 216 |
| 2025 Q3 | 6,912,935 | $491,933,058 | -$6,310,418 | $71.16 | 183 |
| 2025 Q2 | 7,049,520 | $421,491,084 | +$6,336,536 | $59.79 | 160 |
| 2025 Q1 | 6,961,071 | $365,301,337 | -$580,349 | $52.48 | 167 |
| 2024 Q4 | 6,970,032 | $383,359,036 | +$9,147,980 | $55.00 | 166 |
| 2024 Q3 | 6,774,947 | $340,330,934 | -$4,474,758 | $50.29 | 144 |
| 2024 Q2 | 6,822,202 | $299,786,808 | +$3,892,743 | $43.94 | 137 |
| 2024 Q1 | 6,716,470 | $295,435,220 | +$14,779,015 | $43.99 | 125 |
| 2023 Q4 | 6,459,357 | $306,655,798 | +$17,489,557 | $47.47 | 117 |
| 2023 Q3 | 6,101,541 | $270,676,624 | -$3,589,822 | $44.37 | 113 |
| 2023 Q2 | 6,133,726 | $292,922,488 | +$17,028,601 | $47.74 | 109 |
| 2023 Q1 | 5,780,603 | $227,464,394 | +$10,412,240 | $39.35 | 90 |
| 2022 Q4 | 5,525,882 | $156,321,831 | -$3,249,669 | $28.29 | 74 |
| 2022 Q3 | 5,606,466 | $168,465,363 | +$3,059,725 | $30.06 | 81 |
| 2022 Q2 | 5,523,842 | $187,480,258 | +$1,615,681 | $33.94 | 89 |
| 2022 Q1 | 5,372,509 | $240,988,874 | +$16,505,748 | $44.84 | 101 |
| 2021 Q4 | 4,999,149 | $230,849,125 | +$7,127,231 | $46.21 | 95 |
| 2021 Q3 | 4,725,811 | $158,784,781 | -$1,638,874 | $33.59 | 71 |
| 2021 Q2 | 4,763,037 | $140,116,293 | +$1,376,586 | $29.41 | 58 |
| 2021 Q1 | 4,729,017 | $122,230,018 | +$965,764 | $25.77 | 52 |
| 2020 Q4 | 4,699,928 | $107,178,220 | +$4,636,145 | $22.80 | 54 |
| 2020 Q3 | 4,517,233 | $96,756,082 | -$243,528 | $21.38 | 61 |
| 2020 Q2 | 4,511,673 | $104,727,212 | +$10,282,835 | $23.21 | 64 |
| 2020 Q1 | 4,085,698 | $87,134,189 | +$8,149,558 | $21.35 | 68 |