ALPHATEC HLDGS INC

Ticker: ATEC CUSIP: 02081G201 Class: Com

PERKINS CAPITAL MANAGEMENT INC's Holding History (CIK: 0000884300)

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

Q4 2025

Shares 171,747 Value ($000) $3,614 Avg Close $18.51 Range $13.13 - $22.66

Q3 2025

Shares 173,317 Value ($000) $2,520 Avg Close $13.92 Range $10.11 - $16.70

Q2 2025

Shares 179,817 Value ($000) $50 Avg Close $11.49 Range $8.81 - $13.14

Q1 2025

Shares 180,517 Value ($000) $1,830 Avg Close $10.73 Range $8.82 - $12.79

Q4 2024

Shares 181,567 Value ($000) $1,667 Avg Close $7.98 Range $4.88 - $10.63

Q3 2024

Shares 180,667 Value ($000) $1,005 Avg Close $7.68 Range $5.28 - $11.97

Q2 2024

Shares 180,567 Value ($000) $2 Avg Close $11.64 Range $9.25 - $14.54

Q1 2024

Shares 184,267 Value ($000) $3 Avg Close $14.83 Range $12.71 - $17.34

Q4 2023

Shares 184,867 Value ($000) $3 Avg Close $11.95 Range $8.66 - $15.48

Q3 2023

Shares 172,317 Value ($000) $2 Avg Close $15.66 Range $12.08 - $19.14

Q2 2023

Shares 174,117 Value ($000) $3 Avg Close $15.57 Range $14.10 - $18.59

Q1 2023

Shares 180,767 Value ($000) $3 Avg Close $14.14 Range $11.47 - $16.34

Q4 2022

Shares 182,717 Value ($000) $2 Avg Close $10.08 Range $8.58 - $12.38

Q3 2022

Shares 183,717 Value ($000) $1,606 Avg Close $7.91 Range $5.73 - $9.81

Q2 2022

Shares 188,500 Value ($000) $1,233 Avg Close $9.21 Range $6.16 - $13.65

Q1 2022

Shares 174,500 Value ($000) $2,007 Avg Close $10.81 Range $9.06 - $13.37

Q4 2021

Shares 167,100 Value ($000) $1,910 Avg Close $11.81 Range $10.31 - $13.94

Q3 2021

Shares 171,600 Value ($000) $2,092 Avg Close $13.95 Range $11.61 - $16.47

Q2 2021

Shares 176,750 Value ($000) $2,708 Avg Close $15.43 Range $13.33 - $18.00

Q1 2021

Shares 183,750 Value ($000) $2,901 Avg Close $15.74 Range $12.96 - $19.36

Q4 2020

Shares 183,750 Value ($000) $2,668 Avg Close $10.56 Range $6.11 - $14.97

Q3 2020

Shares 186,250 Value ($000) $1,237 Avg Close $5.64 Range $4.31 - $7.28

Q1 2020

Shares 186,750 Value ($000) $644 Avg Close $5.75 Range $2.19 - $7.93

Q4 2019

Shares 86,000 Value ($000) $610 Avg Close $6.42 Range $4.58 - $7.75

Q3 2019

Shares 86,000 Value ($000) $432 Avg Close $5.20 Range $4.06 - $6.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	171,747	$3,614	$18.51	$13.13 - $22.66
Q3 2025	173,317	$2,520	$13.92	$10.11 - $16.70
Q2 2025	179,817	$50	$11.49	$8.81 - $13.14
Q1 2025	180,517	$1,830	$10.73	$8.82 - $12.79
Q4 2024	181,567	$1,667	$7.98	$4.88 - $10.63
Q3 2024	180,667	$1,005	$7.68	$5.28 - $11.97
Q2 2024	180,567	$2	$11.64	$9.25 - $14.54
Q1 2024	184,267	$3	$14.83	$12.71 - $17.34
Q4 2023	184,867	$3	$11.95	$8.66 - $15.48
Q3 2023	172,317	$2	$15.66	$12.08 - $19.14
Q2 2023	174,117	$3	$15.57	$14.10 - $18.59
Q1 2023	180,767	$3	$14.14	$11.47 - $16.34
Q4 2022	182,717	$2	$10.08	$8.58 - $12.38
Q3 2022	183,717	$1,606	$7.91	$5.73 - $9.81
Q2 2022	188,500	$1,233	$9.21	$6.16 - $13.65
Q1 2022	174,500	$2,007	$10.81	$9.06 - $13.37
Q4 2021	167,100	$1,910	$11.81	$10.31 - $13.94
Q3 2021	171,600	$2,092	$13.95	$11.61 - $16.47
Q2 2021	176,750	$2,708	$15.43	$13.33 - $18.00
Q1 2021	183,750	$2,901	$15.74	$12.96 - $19.36
Q4 2020	183,750	$2,668	$10.56	$6.11 - $14.97
Q3 2020	186,250	$1,237	$5.64	$4.31 - $7.28
Q1 2020	186,750	$644	$5.75	$2.19 - $7.93
Q4 2019	86,000	$610	$6.42	$4.58 - $7.75
Q3 2019	86,000	$432	$5.20	$4.06 - $6.35