ATEC · Alphatec Holdings, Inc.

$9.44 -0.13 (-1.36%) At close · Aug 28

Russell 2000 member Rebalance outlook locked

Market Cap

$1.46B

154.45M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-08-28	240,156	0	395,761	60.7%
2026-08-27	360,310	0	597,319	60.3%
2026-08-26	341,953	311	554,164	61.7%
2026-08-25	456,688	15,400	719,462	63.5%
2026-08-24	491,093	0	724,377	67.8%
2026-08-21	344,263	0	498,186	69.1%
2026-08-20	452,776	1,000	586,182	77.2%
2026-08-19	363,165	0	501,333	72.4%
2026-08-18	333,197	11	521,238	63.9%
2026-08-17	480,986	400	611,358	78.7%
2026-08-14	368,566	5,755	524,960	70.2%
2026-08-13	240,225	170	472,910	50.8%
2026-08-12	378,032	44	578,999	65.3%
2026-08-11	275,627	0	489,316	56.3%
2026-08-10	501,133	6,640	701,627	71.4%
2026-08-07	692,024	1,250	894,575	77.4%
2026-08-06	553,224	6,964	1,225,855	45.1%
2026-08-05	722,640	9,883	1,681,199	43.0%
2026-08-04	827,195	610	1,932,966	42.8%
2026-08-03	645,809	96,500	2,047,051	31.5%
2026-07-31	296,444	0	661,133	44.8%
2026-07-30	529,361	4,698	750,860	70.5%
2026-07-29	617,054	2,171	917,165	67.3%
2026-07-28	444,552	1,562	803,164	55.4%
2026-07-27	360,611	0	650,479	55.4%
2026-07-24	302,397	0	466,247	64.9%
2026-07-23	227,067	24	427,286	53.1%
2026-07-22	635,535	348	930,273	68.3%
2026-07-21	507,294	500	745,608	68.0%
2026-07-20	565,250	2,400	849,266	66.6%
2026-07-17	447,200	204	626,438	71.4%
2026-07-16	398,799	1,373	673,730	59.2%
2026-07-15	218,962	0	370,610	59.1%
2026-07-14	732,444	0	966,711	75.8%
2026-07-13	438,557	16	660,914	66.4%
2026-07-10	382,611	290	520,335	73.5%
2026-07-09	254,656	553	470,342	54.1%
2026-07-08	825,335	112	1,150,611	71.7%
2026-07-07	449,680	700	1,030,363	43.6%
2026-07-06	605,964	9,624	1,087,810	55.7%
2026-07-02	614,832	3,460	1,299,927	47.3%
2026-07-01	753,427	16,780	1,730,155	43.5%
2026-06-30	929,187	11,294	1,547,990	60.0%
2026-06-29	879,543	8,546	1,453,601	60.5%
2026-06-26	458,040	119	757,526	60.5%
2026-06-25	656,162	398	1,013,715	64.7%
2026-06-24	2,585,200	16,678	3,173,553	81.5%
2026-06-23	386,388	347	703,688	54.9%
2026-06-22	1,030,482	71,552	1,657,461	62.2%
2026-06-18	576,079	646	1,609,202	35.8%

Showing 1–50 of 64 days

Key facts CIK 1350653 CUSIP 02081G201 13F (30d) 219 filings 219 filers Visit website Investor relations