PEAK6’s PennyMac Financial PFSI Stock Holding History

PEAK6’s Portfolio PFSI Stock Details PFSI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.32M	Buy	+26,600	New	+$2.86M	0.01%	1299
2025 Q4	–	Sell	-600	Closed	-$74.3K	–	3260
2025 Q3	$74.3K	Sell	600 -33,600	-98%	-$3.64M	﹤0.01%	2646
2025 Q2	$3.41M	Sell	34,200 -1,300	-4%	-$126K	0.01%	1160
2025 Q1	$3.55M	Buy	35,500 +33,600	+1,768%	+$3.45M	0.01%	1114
2024 Q4	$194K	Buy	+1,900	New	+$199K	﹤0.01%	2555

Other funds holding PFSI

MFN Partners Boston, Massachusetts $4.77B AUM 72.29% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

DSC

Donald Smith & Co New York $5.56B AUM 47.13% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

PEAK6's PFSI Position: Q1 2026 in Review

PEAK6 opened a new position in PennyMac Financial (PFSI) in Q1 2026: 10,611 shares worth $927K. The stake represents ﹤0.01% of the portfolio and ranks #1738 among its holdings. This is a return to the name: PEAK6 previously reported a position in PFSI as recently as Q2 2025.

PEAK6 first reported a position in PFSI in Q4 2024 and has held it in 4 quarters since. 231 funds tracked by Wall St. Rank hold PFSI as of Q1 2026.

PEAK6 held 10,611 shares of PennyMac Financial worth $927K as of Q1 2026.
PennyMac Financial was a new PEAK6 position in Q1 2026.
PennyMac Financial made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #1738 holding.
PEAK6 first reported a position in PennyMac Financial in Q4 2024 and has held it in 4 quarters since.
231 funds tracked by Wall St. Rank held PennyMac Financial as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.