Skip to main content

CITADEL ADVISORS LLC

Position in ATEC — Alphatec Holdings, Inc.

CIK 1423053 MIAMI, FL

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, 2026
CallValue
$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, 2026

CITADEL 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

All Filings in ATEC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,101,145 127,300
2026-06-30 $21,291,109 2,461,400
2026-06-30 $903,925 104,500
2026-03-31 $555,968 51,100
2026-03-31 $9,327,847 857,339
2026-03-31 $2,022,592 185,900
2025-12-31 $727,984 34,600
2025-12-31 $3,822,968 181,700
2025-12-31 $28,142,367 1,337,565
2025-09-30 $1,195,188 82,200
2025-09-30 $2,688,329 184,892
2025-09-30 $3,994,138 274,700
2025-06-30 $1,047,840 94,400
2025-06-30 $1,866,498 168,153
2025-06-30 $3,516,480 316,800
2025-03-31 $1,989,468 196,200
2025-03-31 $3,134,274 309,100
2025-03-31 $5,668,959 559,069
2024-12-31 $2,578,662 280,900
2024-12-31 $988,401 107,669
2024-12-31 $1,142,910 124,500
2024-09-30 $341,940 61,500
2024-09-30 $567,676 102,100
2024-09-30 $959,333 172,542
2024-06-30 $2,414,179 231,022
2024-06-30 $221,540 21,200
2024-06-30 $724,185 69,300
2024-03-31 $544,705 39,500
2024-03-31 $22,213,524 1,610,843
2024-03-31 $878,423 63,700
2023-12-31 $35,460,510 2,346,824
2023-12-31 $338,464 22,400
2023-12-31 $5,518,172 365,200
2023-09-30 $1,413,730 109,000
2023-09-30 $1,691,197 130,393
2023-09-30 $455,247 35,100
2023-06-30 $1,810,586 100,700
2023-06-30 $5,055,472 281,172
2023-06-30 $647,280 36,000
2023-03-31 $2,077,920 133,200
2023-03-31 $218,400 14,000
2023-03-31 $17,697,434 1,134,451
2022-12-31 $11,039,960 893,924
2022-12-31 $282,815 22,900
2022-12-31 $358,150 29,000
2022-09-30 $127,604 14,600
2022-09-30 $6,285,152 719,125
2022-06-30 $5,652,011 864,222
2022-06-30 $105,948 16,200
2022-06-30 $82,404 12,600