Group One Trading
PFSI icon

Group One Trading’s PennyMac Financial PFSI Stock Holding History

Group One Trading’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 		$17.1M Buy
195,400
+17,100
+10% +$1.84M 0.03% 566
2025
Q4 		$23.5M Sell
178,300
-93,500
-34% -$11.9M 0.04% 452
2025
Q3 		$33.7M Buy
271,800
+135,600
+100% +$14.7M 0.06% 299
2025
Q2 		$13.6M Buy
136,200
+21,800
+19% +$2.11M 0.03% 630
2025
Q1 		$11.5M Buy
114,400
+57,600
+101% +$5.91M 0.03% 563
2024
Q4 		$5.8M Buy
56,800
+11,600
+26% +$1.21M 0.01% 1060
2024
Q3 		$5.15M Buy
45,200
+38,800
+606% +$3.97M 0.01% 983
2024
Q2 		$605K Sell
6,400
-29,900
-82% -$2.71M ﹤0.01% 2391
2024
Q1 		$3.31M Sell
36,300
-153,200
-81% -$13.4M 0.01% 1121
2023
Q4 		$16.7M Buy
189,500
+80,500
+74% +$6.04M 0.04% 438
2023
Q3 		$7.26M Buy
109,000
+25,000
+30% +$1.8M 0.02% 699
2023
Q2 		$5.91M Buy
84,000
+24,600
+41% +$1.56M 0.02% 837
2023
Q1 		$3.54M Sell
59,400
-398,800
-87% -$24.7M 0.01% 1069
2022
Q4 		$26M Sell
458,200
-26,500
-5% -$1.4M 0.06% 318
2022
Q3 		$20.8M Sell
484,700
-35,500
-7% -$1.86M 0.04% 380
2022
Q2 		$22.7M Sell
520,200
-98,800
-16% -$4.67M 0.04% 424
2022
Q1 		$32.9M Buy
619,000
+178,700
+41% +$10.8M 0.03% 390
2021
Q4 		$30.7M Sell
440,300
-51,300
-10% -$3.39M 0.02% 480
2021
Q3 		$30.1M Buy
491,600
+151,800
+45% +$9.64M 0.03% 434
2021
Q2 		$21M Buy
339,800
+217,600
+178% +$13.2M 0.03% 606
2021
Q1 		$8.17M Buy
122,200
+50,800
+71% +$3.15M 0.01% 1097
2020
Q4 		$4.68M Buy
71,400
+22,700
+47% +$1.35M 0.01% 1335
2020
Q3 		$2.83M Buy
48,700
+35,800
+278% +$1.77M 0.01% 1322
2020
Q2 		$539K Sell
12,900
-162,600
-93% -$5.15M ﹤0.01% 2572
2020
Q1 		$3.88M Buy
+175,500
New +$5.65M 0.03% 669
2015
Q2 		– Sell
-1,000
Closed -$17K – 5093
2015
Q1 		$17K Sell
1,000
-1,000
-50% -$17.8K ﹤0.01% 3959
2014
Q4 		$35K Hold
2,000
– – ﹤0.01% 3615
2014
Q3 		$29K Hold
2,000
– – ﹤0.01% 3898
2014
Q2 		$30K Buy
2,000
+1,000
+100% +$16K ﹤0.01% 3897
2014
Q1 		$17K Buy
+1,000
New +$17.4K ﹤0.01% 4341

Other funds holding PFSI

MP
MFN Partners Boston, Massachusetts $4.77B AUM 72.29% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
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
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Group One Trading's PFSI Position: Q1 2026 in Review

Group One Trading opened a new position in PennyMac Financial (PFSI) in Q1 2026: 51,832 shares worth $4.53M. The stake represents 0.01% of the portfolio and ranks #1373 among its holdings. This is a return to the name: Group One Trading previously reported a position in PFSI as recently as Q2 2025.

Group One Trading first reported a position in PFSI in Q2 2013 and has held it in 18 quarters since. The position peaked at $13.9M in Q4 2022. 231 funds tracked by Wall St. Rank hold PFSI as of Q1 2026.

  • Group One Trading held 51,832 shares of PennyMac Financial worth $4.53M as of Q1 2026.
  • PennyMac Financial was a new Group One Trading position in Q1 2026.
  • PennyMac Financial made up 0.01% of Group One Trading's portfolio in Q1 2026, its #1373 holding.
  • Group One Trading first reported a position in PennyMac Financial in Q2 2013 and has held it in 18 quarters since.
  • Group One Trading's PennyMac Financial position peaked at $13.9M in Q4 2022.
  • 231 funds tracked by Wall St. Rank held PennyMac Financial as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.