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Group One Trading, L.P.

SEC CIK
0000932540
Latest filing
Aug 13, 2026

HAPN holding history

Happen, Inc. in every 13F filed by Group One Trading, L.P., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

HAPN overviewAll 13F holders of HAPNFull Q2 2026 holdings

Shares (Q4 2025)
0
Sold out in Q4 2025
Value
$0
% of portfolio
0.0%
Quarters held
12
Since Q1 2021
Holdings of HAPN by Group One Trading, L.P., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20250$00.0%−48,383−100.0%Sold outHolders
Q3 202548,383$734.9K<0.1%+21,495+79.9%AddedHolders
Q2 202526,888$323.5K<0.1%−14,765−35.4%ReducedHolders
Q1 202541,653$429.9K<0.1%+41,653NewHolders
Q2 20230$00.0%−7,842−100.0%Sold outHolders
Q1 20237,842$56.5K<0.1%−42,250−84.3%ReducedHolders
Q4 202250,092$440.8K<0.1%+30,156+151.3%AddedHolders
Q3 202219,936$220.0K<0.1%+4,130+26.1%AddedHolders
Q2 202215,806$185.0K<0.1%−4,603−22.6%ReducedHolders
Q1 202220,409$322.0K<0.1%−258,152−92.7%ReducedHolders
Q4 2021278,561$6.74M0.1%−186,845−40.1%ReducedHolders
Q3 2021465,406$13.1M0.3%+386,357+488.8%AddedHolders
Q2 202179,049$1.43M<0.1%−84,780−51.7%ReducedHolders
Q1 2021163,829$2.71M0.1%––Holders

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