Position in ATEC
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$356,798
-$6,166,289 QoQ
Shares Held
32,794
-95.4% QoQ
Ownership
0.021%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATEC Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026Magnetar Financial LLC holds $138,150,491 across 15 Medical Devices names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PEN |
Penumbra Inc
|
255,841 | $80,781,795 | |
| 2 | BRKR |
Bruker Corp
|
115,132 | $49,176,866 | |
| 3 | MDT |
Medtronic plc
|
31,504 | $2,464,557 | |
| 4 | GMED |
Globus Medical Inc
|
14,836 | $1,172,192 | |
| 5 | PODD |
Insulet Corp
|
6,159 | $937,707 | |
| 6 | AHCO |
AdaptHealth Corp.
|
63,892 | $665,753 | |
| 7 | VMD |
Viemed Healthcare, Inc.
|
41,312 | $470,956 | |
| 8 | SIBN |
SI-BONE, Inc.
|
27,740 | $452,716 |
All Filings in ATEC
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $356,798 | 32,794 | Shares | Sole | 2026-05-13 | |
| 2024-12-31 | $6,523,087 | 710,576 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $6,132,757 | 1,103,014 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $10,956,939 | 1,048,511 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||