Renaissance Technologies (RenTech)'s ATEC Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 1.06 M shares of Alphatec Holdings, Inc. (ATEC) worth $11.48 M, representing 0.02% of the portfolio. First purchased in 2016-Q3, this long-term strategic position has been held for 38 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in ATEC, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2025, adding 527,732 shares. Largest reduction occurred in Q3 2020, reducing 391,999 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Alphatec Holdings (ATEC) Holding Value Over Time
Track share changes against reported price movement
Quarterly Alphatec Holdings (ATEC) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +184,969 | Add 21.26% | 1.06 M | $10.88 |
| Q4 2025 | -108,869 | Reduce 11.12% | 870,131 | $21.04 |
| Q3 2025 | +234,800 | Add 31.55% | 979,000 | $14.54 |
| Q2 2025 | +527,732 | Add 243.79% | 744,200 | $11.10 |
| Q1 2025 | -75,632 | Reduce 25.89% | 216,468 | $10.14 |
| Q4 2024 | +150,500 | Add 106.29% | 292,100 | $9.18 |
| Q3 2024 | -145,900 | Reduce 50.75% | 141,600 | $5.56 |
| Q2 2024 | -64,900 | Reduce 18.42% | 287,500 | $10.45 |
| Q1 2024 | -11,300 | Reduce 3.11% | 352,400 | $13.79 |
| Q4 2023 | +39,261 | Add 12.10% | 363,700 | $15.11 |
| Q3 2023 | -33,061 | Reduce 9.25% | 324,439 | $12.97 |
| Q2 2023 | +357,500 | New Buy | 357,500 | $0.02 |
| Q4 2022 | -331,800 | Sold Out | 0 | $0.00 |
| Q3 2022 | -58,900 | Reduce 15.08% | 331,800 | $8.74 |
| Q2 2022 | +237,400 | Add 154.86% | 390,700 | $6.54 |
| Q1 2022 | +99,900 | Add 187.08% | 153,300 | $11.50 |
| Q4 2021 | -17,400 | Reduce 24.58% | 53,400 | $11.42 |
| Q3 2021 | -168,800 | Reduce 70.45% | 70,800 | $12.19 |
| Q2 2021 | +119,800 | Add 100.00% | 239,600 | $15.32 |
| Q1 2021 | +119,800 | New Buy | 119,800 | $15.79 |
| Q4 2020 | -16,190 | Sold Out | 0 | $0.00 |
| Q3 2020 | -391,999 | Reduce 96.03% | 16,190 | $6.67 |
| Q2 2020 | -132,390 | Reduce 24.49% | 408,189 | $4.70 |
| Q1 2020 | +81,792 | Add 17.83% | 540,579 | $3.45 |
| Q4 2019 | +48,800 | Add 11.90% | 458,787 | $7.09 |
| Q3 2019 | +133,200 | Add 48.12% | 409,987 | $5.02 |
| Q2 2019 | +25,000 | Add 9.93% | 276,787 | $4.54 |
| Q1 2019 | -189,600 | Reduce 42.96% | 251,787 | $2.65 |
| Q4 2018 | -141,758 | Reduce 24.31% | 441,387 | $2.29 |
| Q3 2018 | +98,500 | Add 20.32% | 583,145 | $3.37 |
| Q2 2018 | +110,058 | Add 29.38% | 484,645 | $2.98 |
| Q1 2018 | +15,500 | Add 4.32% | 374,587 | $3.21 |
| Q4 2017 | +33,300 | Add 10.22% | 359,087 | $2.66 |
| Q3 2017 | +8,600 | Add 2.71% | 325,787 | $2.26 |
| Q2 2017 | +16,200 | Add 5.38% | 317,187 | $1.85 |
| Q1 2017 | -12,558 | Reduce 4.01% | 300,987 | $2.33 |
| Q4 2016 | +144,300 | Add 85.26% | 313,545 | $3.21 |
| Q3 2016 | +169,245 | New Buy | 169,245 | $9.40 |
Renaissance Technologies (RenTech)'s Alphatec Holdings Investment FAQs
Renaissance Technologies (RenTech) first purchased Alphatec Holdings, Inc. (ATEC) in Q3 2016, acquiring 169,245 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Alphatec Holdings, Inc. (ATEC) for 38 quarters since Q3 2016.
Renaissance Technologies (RenTech)'s largest addition to Alphatec Holdings, Inc. (ATEC) was in Q2 2025, adding 744,200 shares worth $8.26 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 1,055,100 shares of Alphatec Holdings, Inc. (ATEC), valued at approximately $11.48 M.
As of the Q1 2026 filing, Alphatec Holdings, Inc. (ATEC) represents approximately 0.02% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Alphatec Holdings, Inc. (ATEC) was 1,055,100 shares, as reported at the end of Q1 2026.