Latest Period
Q1 2026
Security Snapshot
Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC) Institutional Ownership
CUSIP: 02081G201
13F Institutional Holders and Ownership History from Q1 2016 to Q1 2026
Institutions Reporting
282
Shares (Excl. Options)
113,003,052
Price
$10.88
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- ATEC on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 113,003,052
- Total 13F value
- $1,229,668,927
- Portfolio coverage rank
- 0%
- Share change
- -4,588,986
- Value change
- -$150,648,475
- Number of holders
- 282
- Shares outstanding
- 148,491,921
- SEC-reported price per share
- $7.75
- Insider filing price
- $7.75
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ATEC - Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share is tracked under CUSIP 02081G201.
- 282 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 283 to 282 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,512,526,352 to $1,229,668,927.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 282 institutions filings for Q1 2026.
Security key
02081G201
Latest holder period
Q1 2026
13F holders
282
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
ATEC full holder history
Alphatec Holdings, Inc. SEC filings
Alphatec Holdings, Inc. company facts
Alphatec Holdings, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 02081G201:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
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 |
As of 31 Mar 2026, 282 institutional investors reported holding 113,003,052 shares of Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC). This represents 76% of the company’s total 148,491,921 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
49%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6.8% | 10,088,182 | -0.68% | 0% | $109,759,421 |
| AMERICAN CENTURY COMPANIES INC | 4.3% | 6,424,777 | -1.3% | 0.04% | $69,901,591 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.3% | 4,913,779 | 0% | 0% | $53,461,916 |
| ROYAL BANK OF CANADA | 3% | 4,516,592 | -8.1% | 0.01% | $49,141,000 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2.4% | 3,616,330 | +14% | 0.05% | $39,345,670 |
| STATE STREET CORP | 2% | 3,031,164 | +4.9% | 0% | $32,979,064 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 2,906,422 | +2.8% | 0% | $31,627,941 |
| Nuveen, LLC | 1.9% | 2,849,413 | -0.85% | 0.01% | $31,001,614 |
| MILLENNIUM MANAGEMENT LLC | 1.9% | 2,809,545 | +26% | 0.02% | $30,567,850 |
| BANK OF AMERICA CORP /DE/ | 1.7% | 2,560,971 | +27% | 0% | $27,863,365 |
| Point72 Asset Management, L.P. | 1.7% | 2,493,575 | +127% | 0.05% | $27,130,096 |
| NEXT CENTURY GROWTH INVESTORS LLC | 1.6% | 2,370,377 | -2% | 1.9% | $25,789,701 |
| Hood River Capital Management LLC | 1.5% | 2,300,899 | +102% | 0.25% | $25,033,781 |
| TREMBLANT CAPITAL GROUP | 1.5% | 2,192,084 | +35% | 0.77% | $23,849,874 |
| BRAIDWELL LP | 1.5% | 2,172,725 | 0.79% | $23,639,248 | |
| TWO SIGMA INVESTMENTS, LP | 1.4% | 2,042,843 | +3.8% | 0.02% | $22,226,132 |
| UBS Group AG | 1.3% | 1,944,685 | +38% | 0% | $21,158,172 |
| OBERWEIS ASSET MANAGEMENT INC/ | 1.3% | 1,908,293 | +91% | 0.61% | $20,762,228 |
| Cerity Partners LLC | 1.2% | 1,821,111 | -0.19% | 0.03% | $19,813,685 |
| EMERALD ADVISERS, LLC | 1.2% | 1,807,307 | +10% | 0.62% | $19,663,500 |
| GOLDMAN SACHS GROUP INC | 1.2% | 1,744,217 | -17% | 0% | $18,977,081 |
| MORGAN STANLEY | 1.1% | 1,651,562 | -62% | 0% | $17,969,007 |
| Penn Capital Management Company, LLC | 0.94% | 1,396,942 | +30% | 1.2% | $15,231,633 |
| AQR CAPITAL MANAGEMENT LLC | 0.93% | 1,385,623 | +129% | 0.01% | $15,075,577 |
| NORTHERN TRUST CORP | 0.92% | 1,358,741 | -1.3% | 0% | $14,783,103 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
41
Latest
Q1 2026
Rows shown
1-25 of 41
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 113,003,052 | $1,229,668,927 | -$150,648,475 | $10.88 | 282 |
| 2025 Q4 | 119,421,809 | $2,512,526,352 | +$234,953,104 | $21.04 | 283 |
| 2025 Q3 | 108,131,166 | $1,572,206,011 | +$108,986,715 | $14.54 | 269 |
| 2025 Q2 | 100,894,463 | $1,119,970,530 | +$110,166,950 | $11.10 | 235 |
| 2025 Q1 | 90,896,433 | $921,707,723 | +$71,854,145 | $10.14 | 229 |
| 2024 Q4 | 84,665,682 | $777,612,878 | +$17,311,717 | $9.18 | 226 |
| 2024 Q3 | 82,952,438 | $461,127,100 | -$103,492,411 | $5.56 | 212 |
| 2024 Q2 | 93,387,152 | $975,892,590 | +$16,871,194 | $10.45 | 214 |
| 2024 Q1 | 91,603,639 | $1,263,405,807 | +$14,543,640 | $13.79 | 221 |
| 2023 Q4 | 90,194,008 | $1,363,122,567 | +$315,244,959 | $15.11 | 203 |
| 2023 Q3 | 69,651,493 | $903,432,680 | -$22,862,184 | $12.97 | 197 |
| 2023 Q2 | 69,346,783 | $1,246,643,684 | +$192,282,709 | $17.98 | 206 |
| 2023 Q1 | 58,955,439 | $919,622,439 | +$91,055,783 | $15.60 | 180 |
| 2022 Q4 | 53,948,533 | $666,376,152 | +$42,733,511 | $12.35 | 178 |
| 2022 Q3 | 51,212,100 | $447,703,298 | +$8,939,700 | $8.74 | 158 |
| 2022 Q2 | 50,262,413 | $328,716,139 | -$25,412,480 | $6.54 | 155 |
| 2022 Q1 | 52,926,640 | $608,103,433 | -$3,097,119 | $11.50 | 158 |
| 2021 Q4 | 53,379,624 | $610,594,414 | +$742,182 | $11.43 | 168 |
| 2021 Q3 | 53,122,080 | $647,555,735 | +$102,423,130 | $12.19 | 162 |
| 2021 Q2 | 44,464,433 | $681,071,254 | +$7,084,913 | $15.32 | 147 |
| 2021 Q1 | 43,986,567 | $691,446,933 | +$36,230,930 | $15.79 | 154 |
| 2020 Q4 | 42,379,116 | $615,344,983 | +$251,413,241 | $14.52 | 148 |
| 2020 Q3 | 24,935,808 | $165,664,969 | -$336,837 | $6.64 | 96 |
| 2020 Q2 | 24,796,696 | $116,558,931 | +$6,024,975 | $4.70 | 87 |
| 2020 Q1 | 24,500,636 | $84,557,757 | -$11,590,274 | $3.45 | 105 |