13F Insight
DOSSIER · 13F Holders · Q2 2026
ATEC 0.75 08/01/26

ALPHATEC HLDGS INC

11 institutions still hold ALPHATEC HLDGS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 02081GAB8·11 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$69M
visible holders
Holders
11
filers reporting
Concentration
48.23%
CAPSTONE INVESTMENT ADVISORS, LLC #1
top holder share
AI Holders Summary · Q2 2026

11 institutions reported ATEC 0.75 08/01/26 in Q2 2026. CAPSTONE INVESTMENT ADVISORS, LLC leads at 48.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$33M33.2M0.06%Q2 202602
OAKTREE CAPITAL MANAGEMENT LP
CIK 0000949509
$9M9.2M0.13%Q2 202603
DeepCurrents Investment Group LLC
CIK 0001754535
$7M7.4M0.22%Q2 202604
LINDEN ADVISORS LP
CIK 0001279396
$6M6.3M0.03%Q2 202605
Russell Investments Group, Ltd.
CIK 0001692234
$4M4.3M0.00%Q2 202606
UBS Group AG
CIK 0001610520
$3M3.2M0.00%Q2 202607
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$2M2.5M0.24%Q2 202608
CSS LLC/IL
CIK 0001103646
$2M2.2M0.09%Q2 202609
JPMORGAN CHASE & CO
CIK 0000019617
$515K524K0.00%Q2 202610
CITIGROUP INC
CIK 0000831001
$63K64K0.00%Q2 202611
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025