ALPHATEC HOLDINGS INC - 02081G102

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q3 2026 · Compare: Q2 2014
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
BlackRock Institutional Trust Company, N.A. History No change 2,418,371 3,942 0.0% 0.0% 1 0 0.0% Q2 2014 Aug 06, 2014
VANGUARD GROUP INC History No change 2,253,548 3,673 0.0% 0.0% 2 0 0.0% Q2 2014 Aug 11, 2014
StepStone Group LP History No change 1,344,179 2,191 1.71% 1.71% 3 0 0.0% Q2 2014 Jul 30, 2014
BlackRock Fund Advisors History No change 196,235 320 0.0% 0.0% 4 0 0.0% Q2 2014 Aug 06, 2014
CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. History No change 175,750 286 0.0% 0.0% 5 0 0.0% Q2 2014 Aug 11, 2014
BlackRock Group LTD History No change 161,382 263 0.0% 0.0% 6 0 0.0% Q2 2014 Aug 06, 2014
LMR Partners LLP History No change 134,190 219 0.02% 0.02% 7 0 0.0% Q2 2014 Jul 10, 2014
CREDIT SUISSE AG/ History No change 90,179 147 0.0% 0.0% 8 0 0.0% Q2 2014 Aug 11, 2014
MENTA CAPITAL LLC History No change 88,881 145 0.03% 0.03% 9 0 0.0% Q2 2014 Aug 05, 2014
Neuberger Berman Group LLC History No change 78,075 127 0.0% 0.0% 10 0 0.0% Q2 2014 Aug 05, 2014
KOPP INVESTMENT ADVISORS LLC History No change 71,060 116 0.05% 0.05% 11 0 0.0% Q2 2014 Aug 01, 2014
TFS CAPITAL LLC History No change 54,171 88 0.01% 0.01% 12 0 0.0% Q2 2014 Jul 21, 2014
BLACKROCK ADVISORS LLC History No change 25,635 42 0.0% 0.0% 13 0 0.0% Q2 2014 Aug 06, 2014
ALGERT COLDIRON INVESTORS LLC History No change 17,400 28 0.02% 0.02% 14 0 0.0% Q2 2014 Aug 11, 2014
BlackRock Investment Management, LLC History No change 10,268 17 0.0% 0.0% 15 0 0.0% Q2 2014 Aug 06, 2014
Byrne Asset Management LLC History New 600 5 0.0% — 16 +600 New Q3 2026 Oct 06, 2026
GLOBEFLEX CAPITAL L P History No change 1,531 2 0.0% 0.0% 17 0 0.0% Q2 2014 Jul 18, 2014
DIMENSIONAL FUND ADVISORS LP History Closed out 0 0 — 0.0% — -1,871,778 -100.0% Q3 2026 Nov 04, 2026
Boston Partners History Closed out 0 0 — 0.0% — -1,469,989 -100.0% Q3 2026 Nov 10, 2026
ESSEX INVESTMENT MANAGEMENT CO LLC History Closed out 0 0 — 0.1% — -411,601 -100.0% Q3 2026 Oct 19, 2026
GAGNON SECURITIES LLC History Closed out 0 0 — 0.01% — -21,534 -100.0% Q3 2026 Nov 05, 2026
LPL Financial LLC History Closed out 0 0 — 0.0% — -10,000 -100.0% Q3 2026 Nov 06, 2026
Nationwide Fund Advisors History Closed out 0 0 — 0.0% — -4,920 -100.0% Q3 2026 Oct 28, 2026