ALPHATEC HLDGS INC

Ticker: ATEC CUSIP: 02081G201 Class: Com

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 125,130 Value ($000) $2,633 Avg Close $18.51 Range $13.13 - $22.66

Q3 2025

Shares 125,130 Value ($000) $1,819 Avg Close $13.92 Range $10.11 - $16.70

Q2 2025

Shares 115,930 Value ($000) $1,287 Avg Close $11.49 Range $8.81 - $13.14

Q1 2025

Shares 102,130 Value ($000) $1,036 Avg Close $10.73 Range $8.82 - $12.79

Q4 2024

Shares 102,130 Value ($000) $938 Avg Close $7.98 Range $4.88 - $10.63

Q3 2024

Shares 102,130 Value ($000) $568 Avg Close $7.68 Range $5.28 - $11.97

Q2 2024

Shares 102,130 Value ($000) $1,067 Avg Close $11.64 Range $9.25 - $14.54

Q1 2024

Shares 102,130 Value ($000) $1,408 Avg Close $14.83 Range $12.71 - $17.34

Q4 2023

Shares 92,390 Value ($000) $1,396 Avg Close $11.95 Range $8.66 - $15.48

Q3 2023

Shares 85,300 Value ($000) $1,106 Avg Close $15.66 Range $12.08 - $19.14

Q2 2023

Shares 85,300 Value ($000) $1,534 Avg Close $15.57 Range $14.10 - $18.59

Q1 2023

Shares 85,300 Value ($000) $1,331 Avg Close $14.14 Range $11.47 - $16.34

Q4 2022

Shares 85,300 Value ($000) $1,053 Avg Close $10.08 Range $8.58 - $12.38

Q3 2022

Shares 85,300 Value ($000) $746 Avg Close $7.91 Range $5.73 - $9.81

Q2 2022

Shares 85,300 Value ($000) $558 Avg Close $9.21 Range $6.16 - $13.65

Q1 2022

Shares 85,300 Value ($000) $981 Avg Close $10.81 Range $9.06 - $13.37

Q4 2021

Shares 85,000 Value ($000) $972 Avg Close $11.81 Range $10.31 - $13.94

Q3 2021

Shares 85,000 Value ($000) $1,036 Avg Close $13.95 Range $11.61 - $16.47

Q2 2021

Shares 85,000 Value ($000) $1,302 Avg Close $15.43 Range $13.33 - $18.00

Q1 2021

Shares 55,700 Value ($000) $880 Avg Close $15.74 Range $12.96 - $19.36

Q4 2020

Shares 38,100 Value ($000) $553 Avg Close $10.56 Range $6.11 - $14.97

Q3 2020

Shares 76,100 Value ($000) $505 Avg Close $5.64 Range $4.31 - $7.28

Q2 2020

Shares 76,100 Value ($000) $358 Avg Close $4.42 Range $3.02 - $5.74

Q1 2020

Shares 49,300 Value ($000) $170 Avg Close $5.75 Range $2.19 - $7.93

Q4 2019

Shares 11,800 Value ($000) $84 Avg Close $6.42 Range $4.58 - $7.75

Q3 2019

Shares 11,800 Value ($000) $59 Avg Close $5.20 Range $4.06 - $6.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	125,130	$2,633	$18.51	$13.13 - $22.66
Q3 2025	125,130	$1,819	$13.92	$10.11 - $16.70
Q2 2025	115,930	$1,287	$11.49	$8.81 - $13.14
Q1 2025	102,130	$1,036	$10.73	$8.82 - $12.79
Q4 2024	102,130	$938	$7.98	$4.88 - $10.63
Q3 2024	102,130	$568	$7.68	$5.28 - $11.97
Q2 2024	102,130	$1,067	$11.64	$9.25 - $14.54
Q1 2024	102,130	$1,408	$14.83	$12.71 - $17.34
Q4 2023	92,390	$1,396	$11.95	$8.66 - $15.48
Q3 2023	85,300	$1,106	$15.66	$12.08 - $19.14
Q2 2023	85,300	$1,534	$15.57	$14.10 - $18.59
Q1 2023	85,300	$1,331	$14.14	$11.47 - $16.34
Q4 2022	85,300	$1,053	$10.08	$8.58 - $12.38
Q3 2022	85,300	$746	$7.91	$5.73 - $9.81
Q2 2022	85,300	$558	$9.21	$6.16 - $13.65
Q1 2022	85,300	$981	$10.81	$9.06 - $13.37
Q4 2021	85,000	$972	$11.81	$10.31 - $13.94
Q3 2021	85,000	$1,036	$13.95	$11.61 - $16.47
Q2 2021	85,000	$1,302	$15.43	$13.33 - $18.00
Q1 2021	55,700	$880	$15.74	$12.96 - $19.36
Q4 2020	38,100	$553	$10.56	$6.11 - $14.97
Q3 2020	76,100	$505	$5.64	$4.31 - $7.28
Q2 2020	76,100	$358	$4.42	$3.02 - $5.74
Q1 2020	49,300	$170	$5.75	$2.19 - $7.93
Q4 2019	11,800	$84	$6.42	$4.58 - $7.75
Q3 2019	11,800	$59	$5.20	$4.06 - $6.35