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Group One Trading, L.P.

SEC CIK
0000932540
Latest filing
Aug 13, 2026

PFSI holding history

PennyMac Financial Services, 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.

PFSI overviewAll 13F holders of PFSIFull Q2 2026 holdings

Shares (Q2 2026)
105,408
Value
$9.18M
% of portfolio
0.3%
Quarters held
10
Since Q2 2021
Holdings of PFSI by Group One Trading, L.P., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026105,408$9.18M0.3%+53,576+103.4%AddedHolders
Q1 202651,832$4.53M0.1%+51,832NewHolders
Q3 20250$00.0%−31,078−100.0%Sold outHolders
Q2 202531,078$3.10M0.1%+18,695+151.0%AddedHolders
Q1 202512,383$1.24M0.1%+12,383NewHolders
Q1 20230$00.0%−245,345−100.0%Sold outHolders
Q4 2022245,345$13.9M0.5%−5,650−2.3%ReducedHolders
Q3 2022250,995$10.8M0.4%+152,252+154.2%AddedHolders
Q2 202298,743$4.32M0.1%−81,568−45.2%ReducedHolders
Q1 2022180,311$9.59M0.2%+180,311NewHolders
Q4 20210$00.0%−96,205−100.0%Sold outHolders
Q3 202196,205$5.88M0.1%+23,729+32.7%AddedHolders
Q2 202172,476$4.47M0.1%+72,476NewHolders