WESTLAKE VILLAGE, CA
PENNYMAC FINANCIAL SERVICES, INC.PFSI— Latest position per institution from SEC 13F filings
15
Institutional holders
34.15M
Total shares held
2.80B
Estimated value
1.71M
Avg. position size
MFN PARTNERS MANAGEMENT, LP
CIK 1732811
Shares
4.53M
Value
396.08M
Filed
Mar 31, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
3.60M
Value
314.71K
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
2.83M
Value
373.47M
Filed
Dec 31, 2025
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
2.54M
Value
221.63M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
2.20M
Value
192.60M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.20M
Value
208.15M
Filed
Jun 30, 2024
DEER PARK ROAD CORP
CIK 1702490
Shares
2.10M
Value
125.18M
Filed
Mar 31, 2023
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.92M
Value
167.47M
Filed
Mar 31, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
1.66M
Value
144.92M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.38M
Value
120.58M
Filed
Mar 31, 2026
DONALD SMITH & CO., INC.
CIK 814375
Shares
1.37M
Value
119.93M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.29M
Value
112.97M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
1.10M
Value
95.78M
Filed
Mar 31, 2026
ORBIS ALLAN GRAY LTD
CIK 1663865
Shares
926.77K
Value
92.78M
Filed
Mar 31, 2025
STATE STREET CORP
CIK 93751
Shares
857.15K
Value
74.92M
Filed
Mar 31, 2026
INVESCO LTD.
CIK 914208
Shares
849.11K
Value
74.21M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
749.34K
Value
65.49M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
707.94K
Value
61.89M
Filed
Mar 31, 2026
140 SUMMER PARTNERS LP
CIK 1820788
Shares
669.89K
Value
88.32M
Filed
Dec 31, 2025
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
669.85K
Value
58.54M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | MFN PARTNERS MANAGEMENT, LP | 1732811 | 4.53M | 396.08M | Mar 31, 2026 |
| 2 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 3.60M | 314.71K | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 2.83M | 373.47M | Dec 31, 2025 |
| 4 | MILLENNIUM MANAGEMENT LLC | 1273087 | 2.54M | 221.63M | Mar 31, 2026 |
| 5 | BLACKROCK, INC. | 2012383 | 2.20M | 192.60M | Mar 31, 2026 |
| 6 | BLACKROCK FINANCE, INC. | 1364742 | 2.20M | 208.15M | Jun 30, 2024 |
| 7 | DEER PARK ROAD CORP | 1702490 | 2.10M | 125.18M | Mar 31, 2023 |
| 8 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.92M | 167.47M | Mar 31, 2026 |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 1.66M | 144.92M | Mar 31, 2026 |
| 10 | CITADEL ADVISORS LLC | 1423053 | 1.38M | 120.58M | Mar 31, 2026 |
| 11 | DONALD SMITH & CO., INC. | 814375 | 1.37M | 119.93M | Mar 31, 2026 |
| 12 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.29M | 112.97M | Mar 31, 2026 |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 1.10M | 95.78M | Mar 31, 2026 |
| 14 | ORBIS ALLAN GRAY LTD | 1663865 | 926.77K | 92.78M | Mar 31, 2025 |
| 15 | STATE STREET CORP | 93751 | 857.15K | 74.92M | Mar 31, 2026 |
| 16 | INVESCO LTD. | 914208 | 849.11K | 74.21M | Mar 31, 2026 |
| 17 | FMR LLC | 315066 | 749.34K | 65.49M | Mar 31, 2026 |
| 18 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 707.94K | 61.89M | Mar 31, 2026 |
| 19 | 140 SUMMER PARTNERS LP | 1820788 | 669.89K | 88.32M | Dec 31, 2025 |
| 20 | GOLDMAN SACHS GROUP INC | 886982 | 669.85K | 58.54M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.