Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC)

Historical Holders from Q1 2016 to Q3 2025

Symbol: ATEC on Nasdaq
Type / Class: Equity / Common Stock, par value $0.0001 per share
Shares outstanding: 148,491,921
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 107,968,451
Holdings value: $1,569,840,011
% of all portfolios: 0.003%
Number of holders: 266
Number of buys: 142
Number of sells: -112
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC)

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
Squadron Capital LLC	8.9%		$259,293,623		13,215,781		Jennifer N. Pritzker	15 Dec 2025

Institutional Holders of Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	107,968,451	$1,569,840,011	+$108,756,889	$16,863,492	$113,608,750	$14.54	266
2025 Q2	100,894,463	$1,119,970,530	+$110,166,950	$11,476,088	$82,537,796	$11.1	235
2025 Q1	90,896,433	$921,707,723	+$71,854,145	$7,871,809	$65,295,858	$10.14	229
2024 Q4	84,665,682	$777,612,878	+$17,311,717	$3,225,452	$13,284,490	$9.18	226
2024 Q3	82,952,438	$461,127,100	-$103,492,411	$3,461,656	$1,001,356	$5.56	212
2024 Q2	93,387,152	$975,892,590	+$16,871,194	$2,313,630	$2,590,555	$10.45	214
2024 Q1	91,603,639	$1,263,405,807	+$14,543,640	$1,554,133	$9,308,250	$13.79	221
2023 Q4	90,194,008	$1,363,122,567	+$315,244,959	$811,407	$14,097,630	$15.11	203
2023 Q3	69,651,493	$903,432,680	-$22,862,184	$709,459	$4,569,331	$12.97	197
2023 Q2	69,346,783	$1,246,643,684	+$192,282,709	$1,767,434	$3,081,874	$17.98	206
2023 Q1	58,955,439	$919,622,439	+$91,055,783	$1,018,680	$4,981,080	$15.6	180
2022 Q4	53,948,533	$666,376,152	+$42,733,511	$927,485	$1,047,280	$12.35	178
2022 Q3	51,212,100	$447,703,298	+$8,939,700	$131,000	$393,000	$8.74	158
2022 Q2	50,262,413	$328,716,139	-$25,412,480	$82,000	$620,000	$6.54	155
2022 Q1	52,926,640	$608,103,433	-$3,097,119	$1,612,000	$3,406,000	$11.5	158
2021 Q4	53,379,624	$610,594,414	+$742,182	$1,922,000	$4,090,000	$11.43	168
2021 Q3	53,122,080	$647,555,735	+$102,423,130	$708,000	$11,431,000	$12.19	162
2021 Q2	44,464,433	$681,071,254	+$7,084,913	$684,000	$2,154,000	$15.32	147
2021 Q1	43,986,567	$691,446,933	+$36,230,930	$1,191,000	$1,802,000	$15.79	154
2020 Q4	42,379,116	$615,344,983	+$251,413,241	$200,000	$2,345,000	$14.52	148
2020 Q3	24,935,808	$165,664,969	-$336,837	$78,000	$535,000	$6.64	96
2020 Q2	24,796,696	$116,558,931	+$6,024,975	$102,000	$454,000	$4.7	87
2020 Q1	24,500,636	$84,557,757	-$11,590,274	$59,000	$160,000	$3.45	105
2019 Q4	25,341,123	$179,785,392	+$12,016,434		$0	$7.09	106
2019 Q3	23,386,430	$117,414,704	+$59,057,345		$55,000	$5.02	90
2019 Q2	11,615,241	$52,741,944	+$22,281,932			$4.54	60
2019 Q1	7,024,068	$18,593,000	-$1,284,000			$2.65	38
2018 Q4	8,073,206	$18,489,000	-$3,108,976			$2.29	39
2018 Q3	9,191,593	$30,971,000	+$419,222			$3.37	42
2018 Q2	9,085,984	$27,074,000	+$13,404,080			$2.98	37
2018 Q1	4,588,221	$14,727,000	+$5,043,156			$3.21	21
2017 Q4	3,050,762	$8,118,000	+$1,230,295			$2.66	24
2017 Q3	2,624,254	$5,928,000	-$97,566			$2.26	19
2017 Q2	2,832,350	$5,255,000	+$1,036,758			$1.85	23
2017 Q1	2,256,188	$5,256,000	+$273,899			$2.33	23
2016 Q4	2,055,331	$6,598,000	+$872,252			$3.21	27
2016 Q3	1,292,605	$12,146,000	+$12,146,000			$9.4	26
2016 Q2	0	$0	-$8,000				0
2016 Q1	2,831	$8,000				$2.83	1