Marshall Wace’s PennyMac Financial PFSI Stock Holding History

Marshall Wace’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	$11M	Buy	126,725 +69,222	+120%	+$6.02M	0.01%	1000
2026 Q1	$5.03M	Buy	+57,503	New	+$6.18M	0.01%	1302
2025 Q3	–	Sell	-29,658	Closed	-$2.96M	–	3287
2025 Q2	$2.96M	Buy	+29,658	New	+$2.87M	﹤0.01%	1388
2024 Q1	–	Sell	-6,665	Closed	-$589K	–	2722
2023 Q4	$589K	Buy	+6,665	New	+$500K	﹤0.01%	1651
2021 Q4	–	Sell	-29,650	Closed	-$1.81M	–	4192
2021 Q3	$1.81M	Buy	+29,650	New	+$1.88M	0.01%	1628
2020 Q3	–	Sell	-7,224	Closed	-$303K	–	1837
2020 Q2	$303K	Sell	7,224 -374,178	-98%	-$11.9M	﹤0.01%	1326
2020 Q1	$8.43M	Buy	+381,402	New	+$12.3M	0.08%	248
2019 Q4	–	Sell	-67,081	Closed	-$2.04M	–	1981
2019 Q3	$2.04M	Buy	67,081 +34,659	+107%	+$935K	0.02%	763
2019 Q2	$719K	Sell	32,422 -52,208	-62%	-$1.16M	0.01%	1008
2019 Q1	$1.88M	Buy	+84,630	New	+$1.85M	0.02%	758
2018 Q2	–	Sell	-18,200	Closed	-$412K	–	816
2018 Q1	$412K	Buy	+18,200	New	+$424K	0.02%	410

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

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

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 $3.38T AUM 44.17% 1-Year Est. Return

Marshall Wace's PFSI Position: Q2 2026 in Review

Marshall Wace increased its PennyMac Financial (PFSI) stake by 120% in Q2 2026, buying an estimated $6.02M and bringing the position to 126,725 shares worth $11M. The position accounts for 0.01% of the portfolio, ranked #1000.

Marshall Wace first reported a position in PFSI in Q1 2018 and has held it in 11 quarters since. 230 funds tracked by Wall St. Rank hold PFSI as of Q2 2026.

Marshall Wace held 126,725 shares of PennyMac Financial worth $11M as of Q2 2026.
Marshall Wace bought 69,222 PennyMac Financial shares in Q2 2026, an estimated $6.02M.
PennyMac Financial made up 0.01% of Marshall Wace's portfolio in Q2 2026, its #1000 holding.
Marshall Wace first reported a position in PennyMac Financial in Q1 2018 and has held it in 11 quarters since.
230 funds tracked by Wall St. Rank held PennyMac Financial as of Q2 2026.

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