Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
246 institutional managers reported holding PRCT for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 47%. 41 opened new positions; 52 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 5.29M | 9.36% | $132.0M | added +1.6% | 2021 Q3 |
| BlackRock | 4.36M | 7.72% | $108.9M | unchanged | 2021 Q3 |
| BNP Paribas Financial Markets | 3.29M | 5.82% | $82.1M | unchanged | 2023 Q2 |
| T. Rowe Price Investment Management, INC. | 3.27M | 5.79% | $81.7M | added +749.1% | 2022 Q3 |
| Chicago Capital, LLC | 2.16M | 3.82% | $53.9M | added +81.4% | 2024 Q2 |
| Prosight Management, LP (focused) | 1.95M | 3.44% | $48.5M | added +40.9% | 2025 Q3 |
| Mackenzie Financial CORP | 1.72M | 3.04% | $42.9M | added +9.4% | 2025 Q2 |
| State Street | 1.53M | 2.71% | $38.2M | added +2.7% | 2021 Q4 |
| FMR (Fidelity) | 1.46M | 2.59% | $36.5M | trimmed -68.6% | 2021 Q3 |
| Geode Capital | 1.36M | 2.41% | $34.0M | added +2.6% | 2021 Q3 |
| Artisan Partners | 1.19M | 2.10% | $29.6M | trimmed -21.9% | 2023 Q4 |
| Champlain Investment Partners, LLC | 1.14M | 2.01% | $28.4M | trimmed -21.1% | 2023 Q3 |
| Point72 | 1.13M | 2.00% | $28.2M | opened | 2026 Q1 |
| Millennium Management | 1.01M | 1.78% | $25.1M | added +162.4% | 2024 Q1 |
| Morgan Stanley | 977.4k | 1.73% | $24.4M | added +15.9% | 2021 Q3 |
| Baillie Gifford | 973.5k | 1.72% | $24.3M | trimmed -4.2% | 2025 Q1 |
| Fiera Capital CORP | 967.6k | 1.71% | $24.2M | added +250% | 2024 Q4 |
| Divisadero Street Capital Management, LP | 866.3k | 1.53% | $21.6M | opened | 2025 Q1 |
| Wellington Management | 861.6k | 1.52% | $21.5M | opened | 2023 Q3 |
| Mirova US LLC | 723.8k | 1.28% | $18.1M | opened | 2026 Q1 |
| Marshall Wace | 698.2k | 1.24% | $17.4M | added +221.1% | 2024 Q2 |
| UBS | 641.2k | 1.14% | $16.0M | trimmed -46.1% | 2021 Q3 |
| Bank OF America CORP /DE/ | 630.7k | 1.12% | $15.7M | added +46.3% | 2021 Q3 |
| Frontier Capital Management CO LLC | 609.9k | 1.08% | $15.2M | added +160.4% | 2024 Q4 |
| T. Rowe Price | 606.0k | 1.07% | $15.1M | trimmed -14.1% | 2021 Q3 |
| Northern Trust | 552.0k | 0.98% | $13.8M | unchanged | 2021 Q4 |
| Bellevue Group AG | 502.3k | 0.89% | $12.5M | trimmed -2.6% | 2021 Q3 |
| Mirae Asset Global Etfs Holdings LTD. | 488.9k | 0.86% | $12.2M | trimmed -31.2% | 2022 Q2 |
| Eagle Health Investments LP (focused) | 483.8k | 0.86% | $12.1M | added +56.9% | 2023 Q1 |
| Rhenman & Partners Asset Management AB | 475.0k | 0.84% | $11.9M | trimmed -22.3% | 2023 Q2 |
| Charles Schwab Investment Management | 457.1k | 0.81% | $11.4M | trimmed -1.1% | 2021 Q4 |
| NEW York State Common Retirement Fund | 440.1k | 0.78% | $11.0M | added +32.9% | 2022 Q1 |
| Cpmg INC (focused) | 426.3k | 0.75% | $10.6M | opened | 2026 Q1 |
| William Blair Investment Management, LLC | 424.3k | 0.75% | $10.6M | added +1.9% | 2024 Q3 |
| Janus Henderson | 384.2k | 0.68% | $9.6M | added +12.7% | 2023 Q2 |
| MFS Investment Management | 377.6k | 0.67% | $9.4M | added +43.5% | 2021 Q3 |
| C WorldWide Group Holding A/S | 375.0k | 0.66% | $9.4M | unchanged | 2025 Q3 |
| Trexquant Investment LP | 373.4k | 0.66% | $9.3M | added +152.3% | 2025 Q1 |
| Johnson & Johnson (focused) | 357.9k | 0.63% | $8.9M | unchanged | 2021 Q3 |
| Hsbc Holdings PLC | 338.9k | 0.60% | $8.5M | opened | 2023 Q2 |
| Blair William & CO/IL | 323.9k | 0.57% | $8.1M | added +54.1% | 2024 Q1 |
| Citigroup INC | 322.7k | 0.57% | $8.1M | added +123.2% | 2021 Q4 |
| Goldman Sachs | 302.0k | 0.53% | $7.5M | trimmed -41.7% | 2021 Q3 |
| Rockefeller Capital Management L.p. | 298.4k | 0.53% | $7.4M | trimmed -9.8% | 2025 Q3 |
| Man Group | 291.8k | 0.52% | $7.3M | opened | 2026 Q1 |
| Davern Capital Partners, LP (focused) | 261.2k | 0.46% | $6.5M | opened | 2026 Q1 |
| AQR Capital | 255.9k | 0.45% | $6.4M | added +494.2% | 2024 Q2 |
| Granite Investment Partners, LLC | 252.0k | 0.45% | $6.3M | trimmed -5.1% | 2025 Q2 |
| Portolan Capital Management, LLC | 251.7k | 0.45% | $6.3M | trimmed -1.3% | 2025 Q4 |
| Two Sigma | 228.5k | 0.40% | $5.7M | trimmed -14.2% | 2023 Q4 |
Largest 50 of 246 shown; the full ranked, searchable register is at boothcheck.com/holders/PRCT. 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.