Position in ATEC
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$21,291,109
+$11,963,262 QoQ
Shares Held
2,461,400
+187.1% QoQ
Ownership
1.59%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#12
of 265 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATEC Over Time
Shares Held
Position Value (USD)
Derivatives in ATEC
reported options exposure · as of Jun 30, 2026CallValue
$1,101,145
CallShares
127,300
PutValue
$903,925
PutShares
104,500
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, 2026CITADEL ADVISORS LLC holds $3,441,341,341 across 94 Medical Devices names. ATEC ranks #19 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
8,597,227 | $780,112,377 | |
| 2 | MDT |
Medtronic plc
|
5,373,877 | $420,398,397 | |
| 3 | EW |
Edwards Lifesciences Corp
|
3,997,925 | $361,652,295 | |
| 4 | ZBH |
Zimmer Biomet Holdings, Inc.
|
3,477,472 | $299,375,563 | |
| 5 | BSX |
Boston Scientific Corp
|
4,987,748 | $212,877,084 | |
| 6 | GKOS |
GLAUKOS Corp
|
1,390,017 | $194,268,775 | |
| 7 | GEHC |
GE HealthCare Technologies Inc.
|
2,367,032 | $151,513,717 | |
| 8 | PEN |
Penumbra Inc
|
448,763 | $141,696,917 |
All Filings in ATEC
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,101,145 | 127,300 | Call | Defined | 2026-08-14 | |
| 2026-06-30 | $21,291,109 | 2,461,400 | Shares | Defined | 2026-08-14 | |
| 2026-06-30 | $903,925 | 104,500 | Put | Defined | 2026-08-14 | |
| 2026-03-31 | $555,968 | 51,100 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $9,327,847 | 857,339 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $2,022,592 | 185,900 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $727,984 | 34,600 | Put | Defined | 2026-02-17 | |
| 2025-12-31 | $3,822,968 | 181,700 | Call | Defined | 2026-02-17 | |
| 2025-12-31 | $28,142,367 | 1,337,565 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $1,195,188 | 82,200 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $2,688,329 | 184,892 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $3,994,138 | 274,700 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $1,047,840 | 94,400 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $1,866,498 | 168,153 | Shares | Defined | 2025-08-14 | |
| 2025-06-30 | $3,516,480 | 316,800 | Call | Defined | 2025-08-14 | |
| 2025-03-31 | $1,989,468 | 196,200 | Put | Defined | 2025-05-15 | |
| 2025-03-31 | $3,134,274 | 309,100 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $5,668,959 | 559,069 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $2,578,662 | 280,900 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $988,401 | 107,669 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $1,142,910 | 124,500 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $341,940 | 61,500 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $567,676 | 102,100 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $959,333 | 172,542 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $2,414,179 | 231,022 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $221,540 | 21,200 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $724,185 | 69,300 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $544,705 | 39,500 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $22,213,524 | 1,610,843 | Shares | Defined | 2024-05-15 | |
| 2024-03-31 | $878,423 | 63,700 | Call | Defined | 2024-05-15 | |
| 2023-12-31 | $35,460,510 | 2,346,824 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $338,464 | 22,400 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $5,518,172 | 365,200 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $1,413,730 | 109,000 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $1,691,197 | 130,393 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $455,247 | 35,100 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $1,810,586 | 100,700 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $5,055,472 | 281,172 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $647,280 | 36,000 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $2,077,920 | 133,200 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $218,400 | 14,000 | Put | Defined | 2023-05-15 | |
| 2023-03-31 | $17,697,434 | 1,134,451 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $11,039,960 | 893,924 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $282,815 | 22,900 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $358,150 | 29,000 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $127,604 | 14,600 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $6,285,152 | 719,125 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $5,652,011 | 864,222 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $105,948 | 16,200 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $82,404 | 12,600 | Put | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||