Position in ATEC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$2,341,632
-$558,421 QoQ
Shares Held
270,709
+1.6% QoQ
Ownership
0.175%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#67
of 265 holders
Holding Since
Dec 2022
13 quarters on record
Voting authority
Sole 50%
Shared 50%
None 0%
Common Shares in ATEC Over Time
Shares Held
Position Value (USD)
Derivatives in ATEC
reported options exposure · as of Dec 31, 2025CallValue
$206,192
CallShares
9,800
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Devices
Healthcare · as of Jun 30, 2026TUDOR INVESTMENT CORP ET AL holds $383,302,822 across 39 Medical Devices names. ATEC ranks #20 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PEN |
Penumbra Inc
|
400,649 | $126,504,921 | |
| 2 | ABT |
Abbott Laboratories
|
730,332 | $66,270,325 | |
| 3 | BSX |
Boston Scientific Corp
|
1,477,637 | $63,065,547 | |
| 4 | STE |
STERIS plc
|
108,766 | $22,902,856 | |
| 5 | PODD |
Insulet Corp
|
140,151 | $21,337,989 | |
| 6 | INSP |
Inspire Medical Systems, Inc.
|
169,095 | $7,543,327 | |
| 7 | BIO |
Bio-Rad Laboratories, Inc.
|
25,000 | $7,340,250 | |
| 8 | ZBH |
Zimmer Biomet Holdings, Inc.
|
71,996 | $6,198,135 |
All Filings in ATEC
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,341,632 | 270,709 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $2,900,053 | 266,549 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $206,192 | 9,800 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $18,679,375 | 887,803 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $13,093,139 | 900,491 | Shares | Defined | 2025-12-09 | |
| 2025-06-30 | $1,411,076 | 127,124 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $4,235,133 | 417,666 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $5,378,240 | 585,865 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $823,853 | 148,175 | Shares | Defined | 2024-11-14 | |
| 2024-03-31 | $187,213 | 13,576 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $442,979 | 29,317 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $3,167,131 | 244,189 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $2,428,684 | 135,077 | Shares | Defined | 2023-08-14 | |
| 2022-12-31 | $259,522 | 21,014 | Shares | Defined | 2023-02-14 | |
| No filing history on record for this holder in this stock. | ||||||