PTCT Institutional Ownership
Top institutional (13F) holders of PTCT and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
47
Institutional value
$4.33B
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 16.7% | Aug 7, 2026 | $1.14B |
| Vanguard Portfolio Managementinvestment advisor | 5.9% | Aug 13, 2026 | $401.99M |
| STATE STREET CORPORATIONholding company | 5.5% | Sep 22, 2026 | $375.14M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 4.9% | Aug 14, 2026 | $336.74M |
| Vanguard Capital Managementinvestment advisor | 4.5% | Aug 13, 2026 | $305M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.6% | Nov 6, 2026 | $139.17M |
| D. E. Shaw & Co., Inc.investment advisor | 1.9% | Aug 14, 2026 | $126.35M |
| BANK OF AMERICA CORP /DE/holding company | 1.7% | Aug 14, 2026 | $118.46M |
| FMR LLCinvestment advisor | 1.7% | Aug 13, 2026 | $114.06M |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCinvestment advisor | 2.0% | Nov 6, 2026 | $109.71M |
| T. Rowe Price Associates, Inc.investment advisor | 1.3% | Aug 14, 2026 | $90.91M |
| MORGAN STANLEYholding company | 1.3% | Aug 13, 2026 | $90.03M |
| FRANKLIN RESOURCES INCinvestment advisor | 1.2% | Aug 13, 2026 | $83.8M |
| Invesco Ltd.holding company | 1.1% | Aug 14, 2026 | $76.8M |
| NORTHERN TRUST CORPinvestment advisor | 1.1% | Aug 13, 2026 | $71.78M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 0.9% | Aug 14, 2026 | $64.45M |
| CITADEL ADVISORS LLCinvestment advisor | 0.9% | Sep 1, 2026 | $62.55M |
| RENAISSANCE TECHNOLOGIES LLCinvestment advisor | 0.9% | Aug 13, 2026 | $59.02M |
| Boston Partnersinvestment advisor | 0.9% | Aug 4, 2026 | $58.61M |
| MARSHALL WACE, LLPinvestment advisor | 0.8% | Aug 13, 2026 | $57.49M |
| JPMORGAN CHASE & COholding company | 0.8% | Aug 12, 2026 | $56.07M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIPinvestment advisor | 0.8% | Aug 13, 2026 | $53.38M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 0.7% | Aug 14, 2026 | $50.43M |
| Loomis, Sayles & Co., L.P.investment advisor | 0.7% | Aug 14, 2026 | $48.16M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 0.6% | Aug 14, 2026 | $40.81M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| BlackRock, Inc.holding company | SC 13G/A | 14.8% | Dec 4, 2025 |
| JANUS HENDERSON GROUP PLCholding company | SC 13G/A | 8.7% | May 15, 2026 |
| Vanguard Portfolio Managementinvestment advisor | SC 13G | 5.9% | Apr 29, 2026 |
| Wellington Management Company LLPinvestment advisorwith Wellington Group Holdings LLP and 2 others | SC 13G/A | 6.1% | Feb 10, 2025 |
| Vanguard Capital Managementinvestment advisor | SC 13G | 5.2% | Apr 30, 2026 |
| STATE STREET CORPORATIONholding company | SC 13G | 5.2% | Feb 9, 2026 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.