Hillsdale Investment Management Inc.
Position in IRTC — iRhythm Holdings, Inc.
CIK 1368465
Toronto, A6
Position in IRTC
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$4,124,799
-$1,917,033 QoQ
Shares Held
34,950
+2.6% QoQ
Ownership
0.106%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority
Sole 94.56366237482118.ToString("F0")%
Shared 0.ToString("F0")%
None 5.436337625178827.ToString("F0")%
Common Shares in IRTC Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026Hillsdale Investment Management Inc. holds $24,344,506 across 12 Medical Devices names. IRTC ranks #3 (16.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BVS |
Bioventus Inc.
|
671,139 | $6,127,499 | |
| 2 | INFU |
InfuSystem Holdings, Inc
|
452,373 | $4,175,402 | |
| 3 | IRTC |
iRhythm Holdings, Inc.
This page
|
34,950 | $4,124,799 | |
| 4 | GMED |
Globus Medical Inc
|
43,500 | $3,747,960 | |
| 5 | VMD |
Viemed Healthcare, Inc.
|
199,109 | $1,833,793 | |
| 6 | NVCR |
NovoCure Ltd
|
121,800 | $1,327,620 | |
| 7 | ABT |
Abbott Laboratories
|
10,480 | $1,075,981 | |
| 8 | APYX |
Apyx Medical Corp
|
174,300 | $643,167 |
All Filings in IRTC
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,124,799 | 34,950 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $6,041,832 | 34,050 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $6,578,617 | 38,250 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $5,773,500 | 37,500 | Shares | Sole | 2025-08-12 | |
| No filing history on record for this holder in this stock. | ||||||