ATECAlphatec Holdings, Inc.

$10.67-31% 1Y

Who owns ATEC

264 institutions reported holding ATEC for 2026Q2, together 72% of the company, fewer than the 278 a quarter earlier.

264

Institutions reporting a position · as of 2026Q2 · down from 278 the quarter before

Shares held by institutions
111.3M

Shares held by institutions · 72% of the company · long US equity positions only, as reported on Form 13F

Reported value
$964M

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
23%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
41
Positions exited
54
Added to
101
Reduced
78
Top 10 holdersof the company
33%
Shares sold shortsettled Sep 15, 2026
14.4M
Short interestof shares outstanding
9.4%
Days to coverat the average daily volume
5.5
Change in the short positionsince the Aug 31, 2026 count
+5.5%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2264111.3M$964M
2026Q1278112.5M$1.23B
2025Q4280119.1M$2.51B
2025Q3271108.1M$1.57B
2025Q2235100.7M$1.12B
2025Q1228101.6M$2.63B
2024Q422584.3M$774M
2024Q321482.5M$459M
2024Q221693.0M$972M
2024Q122091.1M$1.26B
2023Q420291.1M$1.36B
2023Q319670.2M$896M
2023Q220669.9M$1.24B
2023Q118058.5M$913M
2022Q418053.8M$665M
2022Q316250.8M$444M
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.11.3M7.4%$98M
VANGUARD GROUP INC7.3M4.8%$63M
BRAIDWELL LP6.5M4.2%$56M
AMERICAN CENTURY COMPANIES INC6.5M4.2%$56M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.3.5M2.3%$31M
STATE STREET CORP3.5M2.3%$30M
JACOBS LEVY EQUITY MANAGEMENT, INC3.4M2.2%$29M
GEODE CAPITAL MANAGEMENT LLC3.2M2.1%$28M
ROYAL BANK OF CANADA3.0M1.9%$26M
Nuveen Asset Management, LLC2.6M1.7%$23M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202614.4M9.4%5.5
Aug 31, 202613.7M8.9%9.4
Aug 14, 202613.6M8.8%4.8
Jul 31, 202613.8M8.9%7.3
Jul 15, 202613.7M8.9%5.7
Jun 30, 202614.6M9.5%3.6
Jun 15, 202612.4M8.0%5.1
May 29, 202612.0M7.8%4.7
May 15, 202614.2M9.2%2.2
Apr 30, 202611.9M7.7%4.1
Apr 15, 202614.0M9.1%6.5
Mar 31, 202614.9M9.7%7.0

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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