Who owns ATEC?
Institutional ownership of Alphatec Holdings Inc. from Form 13F, Q2 2026
267 institutional managers reported holding Alphatec Holdings Inc. (ATEC) in Form 13F filings for Q2 2026, with 112,796,275 shares worth $977M. The largest reported holder was BlackRock, Inc. Managers that filed both quarters cut a net 283,251 shares (-0.3%). 36 opened new positions and 53 sold out.
- Funds holding
- 267
- Value held
- $977M
- New / sold out
- 36 / 53
- Net shares, same filers
- -0.3%
Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
Largest holders of ATEC
| Fund | Value | Share of 13F holdings | Shares | Move |
|---|---|---|---|---|
| BlackRock, Inc. | $98.0M | 10.0% | 11,326,677 | Added |
| Braidwell LP | $56.5M | 5.8% | 6,531,439 | Added |
| American Century Companies Inc | $56.4M | 5.8% | 6,521,659 | Added |
| Vanguard Capital Management LLC | $44.3M | 4.5% | 5,122,681 | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $30.6M | 3.1% | 3,536,538 | Trimmed |
| State Street Corp | $30.1M | 3.1% | 3,481,349 | Added |
| Jacobs Levy Equity Management, Inc | $29.0M | 3.0% | 3,352,133 | New |
| Geode Capital Management, LLC | $27.6M | 2.8% | 3,188,894 | Added |
| Royal Bank of Canada | $25.9M | 2.7% | 2,995,410 | Trimmed |
| Nuveen, LLC | $22.5M | 2.3% | 2,601,600 | Trimmed |
| Tremblant Capital Group | $22.3M | 2.3% | 2,577,799 | Added |
| Citadel Advisors LLC | $21.3M | 2.2% | 2,461,400 | Added |
| AQR Capital Management LLC | $20.6M | 2.1% | 2,386,326 | Added |
| Emerald Advisers, LLC | $18.2M | 1.9% | 2,104,451 | Added |
| UBS Group AG | $17.5M | 1.8% | 2,018,823 | Added |
| First Eagle Investment Management, LLC | $17.2M | 1.8% | 1,993,274 | Added |
| Bank of America Corp | $17.1M | 1.8% | 1,976,534 | Trimmed |
| Nomura Asset Management International Inc. | $17.1M | 1.8% | 1,974,452 | Added |
| Cerity Partners LLC | $16.3M | 1.7% | 1,881,945 | Added |
| Goldman Sachs Group Inc | $14.3M | 1.5% | 1,654,423 | Trimmed |
| Raymond James Financial Inc | $14.2M | 1.5% | 1,639,330 | Added |
| Arrowstreet Capital, Limited Partnership | $13.5M | 1.4% | 1,564,766 | Added |
| Morgan Stanley | $13.3M | 1.4% | 1,535,750 | Trimmed |
| Penn Capital Management Company, LLC | $12.9M | 1.3% | 1,488,060 | Added |
| Northern Trust Corp | $12.4M | 1.3% | 1,428,231 | Added |
Share of 13F holdings is each fund's shares as a share of the 112,796,275 ATEC shares all 13F filers reported, not of shares outstanding.
Biggest buyers in Q2 2026
- Braidwell LP Added+$37.7M
- Jacobs Levy Equity Management, Inc New+$29.0M
- Citadel Advisors LLC Added+$13.9M
- First Eagle Investment Management, LLC Added+$11.2M
- BlackRock, Inc. Added+$10.7M
- Freestone Grove Partners LP New+$10.1M
- Paradigm Capital Management Inc New+$9.4M
- Arrowstreet Capital, Limited Partnership Added+$9.1M
- AQR Capital Management LLC Added+$8.7M
- Panagora Asset Management Inc Added+$5.9M
Biggest sellers in Q2 2026
- Point72 Asset Management, L.P. Sold out-$27.1M
- Next Century Growth Investors LLC Sold out-$25.8M
- Hood River Capital Management LLC Sold out-$25.0M
- Oberweis Asset Management Inc/ Sold out-$20.8M
- Millennium Management LLC Trimmed-$14.4M
- Royal Bank of Canada Trimmed-$13.2M
- MetLife Investment Management, LLC Trimmed-$10.9M
- Two Sigma Investments, LP Trimmed-$10.5M
- Jane Street Group, LLC Trimmed-$7.4M
- Intrinsic Edge Capital Management LLC Sold out-$7.1M
The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $229M and sold $259M; 107 added and 81 trimmed.
Questions about ATEC ownership
- Who owns ATEC stock?
- 267 institutional investment managers reported ATEC positions in their Form 13F filings for Q2 2026, holding 112,796,275 shares worth $977M in total. BlackRock, Inc. reported the largest position.
- Are funds buying or selling ATEC?
- In Q2 2026, 36 managers opened new ATEC positions, 107 added, 81 trimmed and 53 sold out. Managers that filed in both quarters sold a net 283,251 shares.
- How current is this ATEC institutional ownership data?
- It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.
From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to ATEC by CUSIP. Options are left out. ATEC news and filings · ATEC insider trades · Top funds