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Livermore
Livermore
ZHEN

Two Sigma Advisers, LP

SEC CIK
0001478735
Latest filing
Aug 14, 2026

ATEC holding history

Alphatec Holdings, Inc. in every 13F filed by Two Sigma Advisers, LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ATEC overviewAll 13F holders of ATECFull Q2 2026 holdings

Shares (Q1 2026)
0
Sold out in Q1 2026
Value
$0
% of portfolio
0.0%
Quarters held
18
Since Q1 2021
Holdings of ATEC by Two Sigma Advisers, LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20260$00.0%−1,635,100−100.0%Sold outHolders
Q4 20251,635,100$34.4M0.1%+379,600+30.2%AddedHolders
Q3 20251,255,500$18.3M<0.1%+497,800+65.7%AddedHolders
Q2 2025757,700$8.41M<0.1%+456,800+151.8%AddedHolders
Q1 2025300,900$3.05M<0.1%+155,000+106.2%AddedHolders
Q4 2024145,900$1.34M<0.1%+62,400+74.7%AddedHolders
Q3 202483,500$464.3K<0.1%+70,800+557.5%AddedHolders
Q2 202412,700$132.7K<0.1%−21,100−62.4%ReducedHolders
Q1 202433,800$466.1K<0.1%−104,400−75.5%ReducedHolders
Q4 2023138,200$2.09M<0.1%−329,600−70.5%ReducedHolders
Q3 2023467,800$6.07M<0.1%−503,000−51.8%ReducedHolders
Q2 2023970,800$17.5M<0.1%+212,700+28.1%AddedHolders
Q1 2023758,100$11.8M<0.1%+312,400+70.1%AddedHolders
Q4 2022445,700$5.50M<0.1%+367,700+471.4%AddedHolders
Q3 202278,000$682.0K<0.1%+65,100+504.7%AddedHolders
Q2 202212,900$84.0K<0.1%+12,900NewHolders
Q4 20210$00.0%−469,700−100.0%Sold outHolders
Q3 2021469,700$5.73M<0.1%−109,800−18.9%ReducedHolders
Q2 2021579,500$8.88M<0.1%+128,700+28.5%AddedHolders
Q1 2021450,800$7.12M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.