Position in TNDM
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$19,610,752
-$39,885,432 QoQ
Shares Held
1,299,586
-58.1% QoQ
Ownership
1.87%
of shares outstanding
% of Portfolio
0.82%
of 13F equity value
Holder Rank
#17
of 274 holders
Holding Since
Sep 2023
12 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TNDM Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026ArrowMark Colorado Holdings LLC holds $98,010,501 across 9 Medical Devices names. TNDM ranks #2 (20.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AXGN |
Axogen, Inc.
|
711,795 | $32,877,811 | |
| 2 | TNDM |
Tandem Diabetes Care Inc
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|
1,299,586 | $19,610,752 | |
| 3 | NEOG |
Neogen Corp
|
1,152,609 | $10,361,954 | |
| 4 | STE |
STERIS plc
|
43,783 | $9,219,386 | |
| 5 | GMED |
Globus Medical Inc
|
115,204 | $9,102,268 | |
| 6 | BRKR |
Bruker Corp
|
120,600 | $7,257,708 | |
| 7 | LMRI |
Lumexa Imaging Holdings, Inc.
|
602,049 | $6,791,112 | |
| 8 | TMDX |
TransMedics Group, Inc.
|
30,151 | $2,002,629 |
All Filings in TNDM
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $19,610,752 | 1,299,586 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $59,496,184 | 3,103,609 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $63,515,408 | 2,889,691 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $44,811,143 | 3,691,198 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $50,319,593 | 2,699,549 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $52,044,921 | 2,716,332 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $98,108,214 | 2,723,715 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $101,219,480 | 2,386,689 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $100,920,446 | 2,504,851 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $103,899,278 | 2,934,179 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $86,817,388 | 2,935,003 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $33,887,168 | 1,631,544 | Shares | Sole | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||