ALPHATEC HLDGS INC

Ticker: ATEC CUSIP: 02081G201 Class: Com

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

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

Q4 2025

Shares 1,968,209 Value ($000) $41,411 Avg Close $18.51 Range $13.13 - $22.66

Q3 2025

Shares 1,794,324 Value ($000) $26,089 Avg Close $13.92 Range $10.11 - $16.70

Q2 2025

Shares 1,128,690 Value ($000) $12,528 Avg Close $11.49 Range $8.81 - $13.14

Q1 2025

Shares 647,937 Value ($000) $6,570 Avg Close $10.73 Range $8.82 - $12.79

Q4 2024

Shares 371,286 Value ($000) $3,408 Avg Close $7.98 Range $4.88 - $10.63

Q3 2024

Shares 216,670 Value ($000) $1,205 Avg Close $7.68 Range $5.28 - $11.97

Q2 2024

Shares 17,534 Value ($000) $183 Avg Close $11.64 Range $9.25 - $14.54

Q1 2024

Shares 60,946 Value ($000) $840 Avg Close $14.83 Range $12.71 - $17.34

Q4 2023

Shares 110,500 Value ($000) $1,670 Avg Close $11.95 Range $8.66 - $15.48

Q3 2023

Shares 142,119 Value ($000) $1,843 Avg Close $15.66 Range $12.08 - $19.14

Q2 2023

Shares 1,050,256 Value ($000) $18,884 Avg Close $15.57 Range $14.10 - $18.59

Q1 2023

Shares 678,281 Value ($000) $10,581 Avg Close $14.14 Range $11.47 - $16.34

Q4 2022

Shares 509,256 Value ($000) $6,289 Avg Close $10.08 Range $8.58 - $12.38

Q3 2022

Shares 181,536 Value ($000) $1,587 Avg Close $7.91 Range $5.73 - $9.81

Q2 2022

Shares 59,407 Value ($000) $389 Avg Close $9.21 Range $6.16 - $13.65

Q1 2022

Shares 23,600 Value ($000) $271 Avg Close $10.81 Range $9.06 - $13.37

Q4 2021

Shares 66,500 Value ($000) $760 Avg Close $11.81 Range $10.31 - $13.94

Q3 2021

Shares 563,335 Value ($000) $6,867 Avg Close $13.95 Range $11.61 - $16.47

Q2 2021

Shares 622,158 Value ($000) $9,531 Avg Close $15.43 Range $13.33 - $18.00

Q1 2021

Shares 661,348 Value ($000) $10,443 Avg Close $15.74 Range $12.96 - $19.36

Q4 2020

Shares 329,679 Value ($000) $4,787 Avg Close $10.56 Range $6.11 - $14.97

Q3 2020

Shares 87,865 Value ($000) $583 Avg Close $5.64 Range $4.31 - $7.28

Q2 2020

Shares 157,123 Value ($000) $738 Avg Close $4.42 Range $3.02 - $5.74

Q1 2020

Shares 248,506 Value ($000) $857 Avg Close $5.75 Range $2.19 - $7.93

Q4 2019

Shares 223,870 Value ($000) $1,588 Avg Close $6.42 Range $4.58 - $7.75

Q3 2019

Shares 32,007 Value ($000) $161 Avg Close $5.20 Range $4.06 - $6.35

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,968,209	$41,411	$18.51	$13.13 - $22.66
Q3 2025	1,794,324	$26,089	$13.92	$10.11 - $16.70
Q2 2025	1,128,690	$12,528	$11.49	$8.81 - $13.14
Q1 2025	647,937	$6,570	$10.73	$8.82 - $12.79
Q4 2024	371,286	$3,408	$7.98	$4.88 - $10.63
Q3 2024	216,670	$1,205	$7.68	$5.28 - $11.97
Q2 2024	17,534	$183	$11.64	$9.25 - $14.54
Q1 2024	60,946	$840	$14.83	$12.71 - $17.34
Q4 2023	110,500	$1,670	$11.95	$8.66 - $15.48
Q3 2023	142,119	$1,843	$15.66	$12.08 - $19.14
Q2 2023	1,050,256	$18,884	$15.57	$14.10 - $18.59
Q1 2023	678,281	$10,581	$14.14	$11.47 - $16.34
Q4 2022	509,256	$6,289	$10.08	$8.58 - $12.38
Q3 2022	181,536	$1,587	$7.91	$5.73 - $9.81
Q2 2022	59,407	$389	$9.21	$6.16 - $13.65
Q1 2022	23,600	$271	$10.81	$9.06 - $13.37
Q4 2021	66,500	$760	$11.81	$10.31 - $13.94
Q3 2021	563,335	$6,867	$13.95	$11.61 - $16.47
Q2 2021	622,158	$9,531	$15.43	$13.33 - $18.00
Q1 2021	661,348	$10,443	$15.74	$12.96 - $19.36
Q4 2020	329,679	$4,787	$10.56	$6.11 - $14.97
Q3 2020	87,865	$583	$5.64	$4.31 - $7.28
Q2 2020	157,123	$738	$4.42	$3.02 - $5.74
Q1 2020	248,506	$857	$5.75	$2.19 - $7.93
Q4 2019	223,870	$1,588	$6.42	$4.58 - $7.75
Q3 2019	32,007	$161	$5.20	$4.06 - $6.35