ATEC

Alphatec Holdings, Inc.

Company with tickers: ATEC

CIK

1350653

CUSIP

02081G201

Shares Outstanding

153,789,305

13F Activity (30d)

180 filings 172 filers

Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.

Short Squeeze Score

66/100

Short interest 7.8% of shares — P84 Days to cover 4.7 — P69 Short-volume trend -1.8% — P44

Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-05-29). Equal-weight mean of the available factors.

1M 3M 6M 1Y 5Y All

Short Interest History

Settlement Date	Current Position	Previous Position	Change	Avg Daily Volume	Days to Cover
2026-05-29	12,004,189	14,178,002	-2,173,813	2,538,717	4.73
2026-05-15	14,178,002	11,919,996	+2,258,006	6,576,384	2.16
2026-04-30	11,919,996	14,049,298	-2,129,302	2,888,992	4.13
2026-04-15	14,049,298	14,949,106	-899,808	2,167,013	6.48
2026-03-31	14,949,106	15,320,996	-371,890	2,151,395	6.95
2026-03-13	15,320,996	13,742,788	+1,578,208	2,550,041	6.01
2026-02-27	13,742,788	14,300,801	-558,013	2,613,146	5.26
2026-02-13	14,300,801	14,523,843	-223,042	2,754,243	5.19
2026-01-30	14,523,843	16,581,392	-2,057,549	3,139,133	4.63
2026-01-15	16,581,392	17,231,255	-649,863	4,794,235	3.46
2025-12-31	17,231,255	14,787,274	+2,443,981	1,730,273	9.96
2025-12-15	14,787,274	13,664,774	+1,122,500	2,231,186	6.63
2025-11-28	13,664,774	13,718,529	-53,755	1,892,150	7.22
2025-11-14	13,718,529	13,358,514	+360,015	2,792,622	4.91
2025-10-31	13,358,514	14,950,515	-1,592,001	3,067,723	4.35
2025-10-15	14,950,515	12,633,174	+2,317,341	1,923,212	7.77
2025-09-30	12,633,174	12,325,454	+307,720	1,610,011	7.85
2025-09-15	12,325,454	12,695,333	-369,879	2,068,000	5.96
2025-08-29	12,695,333	12,368,104	+327,229	1,964,031	6.46
2025-08-15	12,368,104	12,680,105	-312,001	4,303,546	2.87
2025-07-31	12,680,105	13,049,228	-369,123	1,510,795	8.39
2025-07-15	13,049,228	13,405,862	-356,634	1,395,229	9.35
2025-06-30	13,405,862	13,230,584	+175,278	1,760,920	7.61
2025-06-13	13,230,584	12,860,372	+370,212	1,686,747	7.84

Showing 1–24 of 24 settlements