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 Q2	$1.29M	Buy	14,852 +4,241	+40%	+$369K	﹤0.01%	1563
2026 Q1	$927K	Buy	+10,611	New	+$1.14M	﹤0.01%	1738
2025 Q3	–	Sell	-8,254	Closed	-$893K	–	3353
2025 Q2	$822K	Sell	8,254 -1,001	-11%	-$97K	﹤0.01%	1902
2025 Q1	$927K	Buy	9,255 +7,505	+429%	+$770K	﹤0.01%	1805
2024 Q4	$179K	Buy	+1,750	New	+$183K	﹤0.01%	2582

Other funds holding PFSI

MFN Partners Boston, Massachusetts $4.83B AUM 65.74% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

DSC

Donald Smith & Co New York $5.65B AUM 47.79% 1-Year Est. Return

RCMNY

Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

PEAK6's PFSI Position: Q2 2026 in Review

PEAK6 increased its PennyMac Financial (PFSI) stake by 40% in Q2 2026, buying an estimated $369K and bringing the position to 14,852 shares worth $1.29M. The position accounts for ﹤0.01% of the portfolio, ranked #1563.

PEAK6 first reported a position in PFSI in Q4 2024 and has held it in 5 quarters since. 231 funds tracked by Wall St. Rank hold PFSI as of Q2 2026.

PEAK6 held 14,852 shares of PennyMac Financial worth $1.29M as of Q2 2026.
PEAK6 bought 4,241 PennyMac Financial shares in Q2 2026, an estimated $369K.
PennyMac Financial made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #1563 holding.
PEAK6 first reported a position in PennyMac Financial in Q4 2024 and has held it in 5 quarters since.
231 funds tracked by Wall St. Rank held PennyMac Financial as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.