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GROUP ONE TRADING LLC

Position in PFSI — PennyMac Financial Services, Inc.

CIK 932540 CHICAGO, IL

Position in PFSI

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$9,181,036
+$4,650,920 QoQ
Shares Held
105,408
+103.4% QoQ
Ownership
0.203%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
#41
of 231 holders
Holding Since
Mar 2020
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PFSI Over Time

Shares Held

Position Value (USD)

Position in Mortgage Finance

Financial Services · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $26,782,156 across 6 Mortgage Finance names. PFSI ranks #2 (34.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 PFSI
PennyMac Financial Services, Inc.
This page
105,408 $9,181,036

All Filings in PFSI

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9,181,036 105,408
2026-03-31 $4,530,116 51,832
2025-06-30 $3,096,611 31,078
2025-03-31 $1,239,662 12,383
2022-12-31 $13,901,247 245,345
2022-09-30 $10,767,685 250,995
2022-06-30 $4,316,056 98,743
2022-03-31 $9,592,545 180,311
2021-09-30 $5,881,011 96,205
2021-06-30 $4,473,218 72,476
2020-03-31 $2,027,575 91,704