Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
328 institutional managers reported holding PSN for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 70%. 47 opened new positions; 74 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Newport Trust Company, LLC | 50.14M | 46.26% | $2.72B | added +0.7% | 2019 Q2 |
| BlackRock | 5.32M | 4.90% | $288.2M | added +9.2% | 2019 Q3 |
| Vanguard Group | 5.08M | 4.68% | $275.2M | added +1.8% | 2019 Q2 |
| Wellington Management | 3.19M | 2.95% | $173.1M | added +364.4% | 2025 Q4 |
| Morgan Stanley | 2.56M | 2.37% | $139.0M | trimmed -10% | 2019 Q2 |
| Swedbank Robur | 2.39M | 2.20% | $129.4M | added +126.8% | 2025 Q3 |
| State Street | 2.06M | 1.91% | $111.9M | added +2.4% | 2019 Q2 |
| Dimensional Fund Advisors | 1.89M | 1.75% | $102.6M | added +10.5% | 2019 Q3 |
| Earnest Partners LLC | 1.78M | 1.64% | $96.5M | trimmed -2.6% | 2021 Q1 |
| Channing Capital Management, LLC | 1.61M | 1.49% | $87.4M | added +8.7% | 2023 Q1 |
| William Blair Investment Management, LLC | 1.49M | 1.37% | $80.6M | trimmed -4.5% | 2024 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 1.48M | 1.37% | $80.4M | added +45.4% | 2022 Q3 |
| Invesco | 1.30M | 1.20% | $70.3M | added +112.3% | 2019 Q2 |
| Mackenzie Financial CORP | 1.20M | 1.11% | $65.3M | added +21.5% | 2021 Q1 |
| PRIMECAP Management | 1.02M | 0.94% | $55.3M | added +56.8% | 2025 Q1 |
| Geode Capital | 1.01M | 0.93% | $54.8M | added +6.9% | 2019 Q2 |
| Goldman Sachs | 1.01M | 0.93% | $54.5M | added +11.4% | 2019 Q2 |
| FMR (Fidelity) | 988.6k | 0.91% | $53.6M | trimmed -57.4% | 2019 Q2 |
| UBS | 978.5k | 0.90% | $53.0M | added +18.9% | 2019 Q2 |
| Bank OF America CORP /DE/ | 869.7k | 0.80% | $47.1M | added +56.7% | 2019 Q2 |
| T. Rowe Price Investment Management, INC. | 793.8k | 0.73% | $43.0M | added +28.6% | 2022 Q3 |
| Principal Financial Group INC | 713.8k | 0.66% | $38.7M | trimmed -2.1% | 2022 Q4 |
| Brown Advisory INC | 702.0k | 0.65% | $38.1M | trimmed -15.8% | 2025 Q3 |
| Ameriprise Financial INC | 626.8k | 0.58% | $34.0M | trimmed -23.8% | 2019 Q2 |
| Nuveen | 604.8k | 0.56% | $32.8M | added +63% | 2019 Q2 |
| Clearline Capital LP | 544.5k | 0.50% | $29.5M | added +31.7% | 2025 Q2 |
| Charles Schwab Investment Management | 510.4k | 0.47% | $27.7M | added +9.1% | 2019 Q2 |
| Cooper Creek Partners Management LLC | 505.1k | 0.47% | $27.4M | added +1248.6% | 2025 Q2 |
| Discovery Capital Management, LLC / CT | 499.1k | 0.46% | $27.1M | unchanged | 2024 Q4 |
| Royal Bank OF Canada | 457.9k | 0.42% | $24.8M | unchanged | 2019 Q2 |
| SW Investment Management LLC (focused) | 455.0k | 0.42% | $24.7M | unchanged | 2023 Q4 |
| Bank OF Nova Scotia | 429.9k | 0.40% | $23.3M | added +3.2% | 2024 Q1 |
| Needham Investment Management LLC | 409.0k | 0.38% | $22.2M | added +26.2% | 2019 Q2 |
| Northern Trust | 391.8k | 0.36% | $21.2M | trimmed -10.1% | 2019 Q2 |
| NEW York State Common Retirement Fund | 376.9k | 0.35% | $20.4M | trimmed -31.7% | 2019 Q2 |
| Schonfeld Strategic Advisors | 363.5k | 0.34% | $19.7M | opened | 2022 Q4 |
| Citadel Advisors | 331.8k | 0.31% | $18.0M | trimmed -4.2% | 2019 Q2 |
| BNY Mellon | 329.7k | 0.30% | $17.9M | trimmed -1.5% | 2019 Q2 |
| Goodman Financial CORP | 319.1k | 0.29% | $17.3M | added +44.7% | 2025 Q2 |
| TimesSquare Capital Management, LLC | 301.0k | 0.28% | $16.3M | trimmed -14.8% | 2025 Q2 |
| Legal & General Group PLC | 294.8k | 0.27% | $16.0M | added +9.6% | 2019 Q2 |
| FIL LTD | 285.4k | 0.26% | $15.5M | trimmed -76.2% | 2024 Q4 |
| Millennium Management | 283.9k | 0.26% | $15.4M | trimmed -44.7% | 2022 Q4 |
| First Trust Advisors LP | 256.7k | 0.24% | $13.9M | added +0.7% | 2019 Q4 |
| Highlander Partners, L.p. (focused) | 255.9k | 0.24% | $13.9M | trimmed -7.7% | 2025 Q2 |
| VAN ECK Associates CORP | 230.1k | 0.21% | $12.5M | added +73.5% | 2023 Q1 |
| Royce & Associates | 219.5k | 0.20% | $11.9M | added +171% | 2025 Q4 |
| Vident Advisory, LLC | 205.6k | 0.19% | $11.1M | added +1% | 2024 Q1 |
| ArrowMark Colorado Holdings LLC | 182.8k | 0.17% | $9.9M | added +26.4% | 2025 Q2 |
| Cinctive Capital Management LP | 178.8k | 0.17% | $9.7M | added +3093.3% | 2025 Q4 |
Largest 50 of 328 shown; the full ranked, searchable register is at boothcheck.com/holders/PSN. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.