PTC THERAPEUTICS INC PTCT
COM · Common Stock · CUSIP 69366J200 · ISIN US69366J2006
Pharmaceutical company
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersWarren, NJ
- Founded1998
- Websiteptcbio.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($361.2k this quarter). Holder counts are more reliable. Shares outstanding: 71.9m as of 2022-10-25, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $38.23. Options: 12 managers hold calls ($15.3m notional), 8 hold puts ($5.6m).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 213 |
| Q4 2022 | 203 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $8.9m | $11.4m | 1.27 |
| Q4 2022 | $15.3m | $5.6m | 0.37 |
Biggest buyers
| Blackstone Inc. | New | +1.1m |
| STATE STREET CORP | Added | +615.3k |
| ARMISTICE CAPITAL, LLC | Added | +496.0k |
| BlackRock Inc. | Added | +477.1k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Added | +328.5k |
| GREAT POINT PARTNERS LLC | New | +302.1k |
| Camber Capital Management LP | Added | +300.0k |
| ALLIANCEBERNSTEIN L.P. | Added | +223.6k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Added | +212.5k |
| Man Group plc | New | +189.6k |
Biggest sellers
| JANUS HENDERSON GROUP PLC | Reduced | -2.1m |
| FRANKLIN RESOURCES INC | Reduced | -979.1k |
| Woodline Partners LP | Reduced | -668.3k |
| LOOMIS SAYLES & CO L P | Reduced | -392.6k |
| CITADEL ADVISORS LLC | Reduced | -381.6k |
| Handelsbanken Fonder AB | Reduced | -271.4k |
| T. Rowe Price Investment Management, Inc. | Sold out | -248.3k |
| Redwood Investments, LLC | Reduced | -197.4k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Reduced | -194.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -182.8k |
Biggest calls
| Caption Management, LLC | Added | $6.4m168.4k shares |
| Parallax Volatility Advisers, L.P. | New | $2.7m70.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $2.2m57.8k shares |
| CITIGROUP INC | Added | $2.0m51.2k shares |
| CITADEL ADVISORS LLC | Added | $1.2m32.7k shares |
| JANE STREET GROUP, LLC | Added | $522.9k13.7k shares |
| HAP Trading, LLC | New | $91.0k172.5k shares |
| WOLVERINE ASSET MANAGEMENT LLC | New | $72.5k1.9k shares |
| GROUP ONE TRADING LLC | Added | $30.5k800 shares |
| SIMPLEX TRADING, LLC | Reduced | $22.0k600 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $2.1m54.6k shares |
| CITIGROUP INC | Added | $2.0m51.2k shares |
| JANE STREET GROUP, LLC | New | $664.2k17.4k shares |
| SG3 Management, LLC | Not comparable | $572.5k15.0k shares |
| WOLVERINE ASSET MANAGEMENT LLC | Unchanged | $251.9k6.6k shares |
| CITADEL ADVISORS LLC | Reduced | $95.4k2.5k shares |
| SIMPLEX TRADING, LLC | New | $3.0k100 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +6.8 pts · filed 2025-12-04 | 14.8% |
| JANUS HENDERSON GROUP PLC 13G · institution +2.7 pts · filed 2026-05-15 | 8.7% |
| ARMISTICE CAPITAL, LLC 13G · institution -1.4 pts · filed 2025-05-15 | 6.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.9% |
| STATE STREET CORP 13G · institution new · filed 2026-02-09 | 5.2% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.2% |
Fell to 5% or below in the last year: TORONTO DOMINION BANK (3.7%, 2026-05-15), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), WELLINGTON MANAGEMENT GROUP LLP (4.8%, 2026-02-10)
Insider purchases and sales in Q4 2022
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2021 | 0 | — | 0 | — | — |
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 0 | — | — |
| Q1 2022 | 0 | — | 8 | $2.2m | — |
| Q2 2022 | 0 | — | 5 | $210.8k | — |
| Q3 2022 | 0 | — | 2 | $183.2k | — |
| Q4 2022 | 0 | — | 1 | $379.6k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2022-10-18 | Boulding Mark Elliott EXEC. VP AND CLO | Sold | $16.5k299 shares |
| 2022-10-17 | Boulding Mark Elliott EXEC. VP AND CLO | Sold | $363.1k6.6k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q4 2022
| Manager | Shares | Change |
|---|---|---|
| FMR LLC 0.04% of their portfolio | 10.8m $411.6m | Added +51.2k |
| WELLINGTON MANAGEMENT GROUP LLP 0.06% of their portfolio | 7.4m $283.6m | Reduced -60.2k |
| VANGUARD GROUP INC 0.01% of their portfolio | 7.3m $280.1m | Added +127.8k |
| BlackRock Inc. 0.01% of their portfolio | 6.6m $251.4m | Added +477.1k |
| RTW INVESTMENTS, LP 4.38% of their portfolio | 5.6m $214.3m | Reduced -5.2k |
| FRANKLIN RESOURCES INC 0.07% of their portfolio | 3.5m $133.2m | Reduced -979.1k |
| STATE STREET CORP 0.01% of their portfolio | 3.4m $131.2m | Added +615.3k |
| ARMISTICE CAPITAL, LLC 3.49% of their portfolio | 3.4m $129.6m | Added +496.0k |
| Camber Capital Management LP 3.67% of their portfolio | 2.8m $105.0m | Added +300.0k |
| JANUS HENDERSON GROUP PLC 0.06% of their portfolio | 2.0m $77.4m | Reduced -2.1m |
| MACQUARIE GROUP LTD 0.07% of their portfolio | 1.6m $59.8m | Added +4.5k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 1.3m $50.6m | Added +47.4k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 1.3m $49.0m | Reduced -182.8k |
| LOOMIS SAYLES & CO L P 0.09% of their portfolio | 1.2m $46.8m | Reduced -392.6k |
| Blackstone Inc. 0.16% of their portfolio | 1.1m $41.8m | New |
| Bank of New York Mellon Corp 0.01% of their portfolio | 979.5k $37.4m | Reduced -35.8k |
| D. E. Shaw & Co., Inc. 0.06% of their portfolio | 944.9k $36.1m | Reduced -109.1k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.23% of their portfolio | 881.4k $33.6m | Added +328.5k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 861.8k $32.9m | Added +43.1k |
| TimesSquare Capital Management, LLC 0.36% of their portfolio | 659.5k $25.2m | Reduced -72.3k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 651.7k $24.9m | Added +4.1k |
| NORGES BANK 0.01% of their portfolio | 644.2k $24.6m | Reduced -47.9k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.09% of their portfolio | 630.4k $24.1m | Added +212.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 560.0k $21.4m | Added +12.5k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 533.0k $20.3m | Added +27.6k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 380.0k $14.5m | Added +40.5k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 348.4k $13.3m | Added +223.6k |
| TWO SIGMA ADVISERS, LP 0.03% of their portfolio | 318.9k $12.2m | Added +45.9k |
| PANAGORA ASSET MANAGEMENT INC 0.08% of their portfolio | 303.2k $11.6m | Added +24.5k |
| GREAT POINT PARTNERS LLC 2.38% of their portfolio | 302.1k $11.5m | New |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 299.1k $11.4m | Reduced -142.2k |
| MORGAN STANLEY 0.00% of their portfolio | 297.7k $11.4m | Added +13.4k |
| Russell Investments Group, Ltd. 0.02% of their portfolio | 245.6k $9.4m | Added +9.5k |
| TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio | 241.2k $9.2m | Reduced -65.9k |
| Handelsbanken Fonder AB 0.06% of their portfolio | 234.0k $8.9m | Reduced -271.4k |
| SECTORAL ASSET MANAGEMENT INC 1.68% of their portfolio | 227.5k $8.7m | Reduced -11.4k |
| Invesco Ltd. 0.00% of their portfolio | 220.8k $8.4m | Added +120.2k |
| Rafferty Asset Management, LLC 0.07% of their portfolio | 211.4k $8.1m | Added +82.3k |
| Candriam S.C.A. 0.05% of their portfolio | 202.7k $7.7m | Unchanged |
| Fisher Asset Management, LLC 0.01% of their portfolio | 200.9k $7.7m | Reduced -3.5k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 195.2k $7.5m | Reduced -16.2k |
| Man Group plc 0.03% of their portfolio | 189.6k $7.2m | New |
| Ensign Peak Advisors, Inc 0.02% of their portfolio | 186.2k $7.1m | Added +169.0k |
| Redwood Investments, LLC 0.93% of their portfolio | 182.7k $7.0m | Reduced -197.4k |
| Assenagon Asset Management S.A. 0.03% of their portfolio | 172.9k $6.6m | Added +43.7k |
| PINNACLE ASSOCIATES LTD 0.14% of their portfolio | 172.6k $6.6m | Reduced -5.5k |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 172.0k $6.6m | Added +52.1k |
| PICTET ASSET MANAGEMENT SA 0.01% of their portfolio | 165.6k $6.3m | Added +43.9k |
| California Public Employees Retirement System 0.01% of their portfolio | 158.5k $6.0m | Added +8.4k |
| Swiss National Bank 0.00% of their portfolio | 155.5k $5.9m | Added +3.2k |
| PRUDENTIAL FINANCIAL INC 0.01% of their portfolio | 153.8k $5.9m | Reduced -10.9k |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC 1.70% of their portfolio | 144.0k $5.5m | Added +123.0k |
| BARCLAYS PLC 0.00% of their portfolio | 131.9k $5.0m | First filing |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.08% of their portfolio | 120.8k $4.6m | Reduced -5.7k |
| Woodline Partners LP 0.06% of their portfolio | 112.2k $4.3m | Reduced -668.3k |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.04% of their portfolio | 110.3k $4.2m | Added +11.7k |
| Brookfield Corp /ON/ 0.02% of their portfolio | 109.8k $4.2m | Added +41.0k |
| UBS Group AG 0.00% of their portfolio | 108.9k $4.2m | Added +78.1k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 101.6k $3.9m | Added +3.0k |
| Balyasny Asset Management L.P. 0.01% of their portfolio | 100.9k $3.9m | New |
| CITIGROUP INC 0.01% of their portfolio | 100.3k $3.8m | Reduced -22.1k |
| Integral Health Asset Management, LLC 0.86% of their portfolio | 100.0k $3.8m | Reduced -63.0k |
| Hillsdale Investment Management Inc. 0.32% of their portfolio | 98.3k $3.8m | Reduced -2.0k |
| Walleye Capital LLC 0.08% of their portfolio | 95.2k $3.6m | New |
| SECTOR GAMMA AS 0.76% of their portfolio | 86.7k $3.3m | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 85.8k $3.3m | Added +5.3k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 84.1k $3.2m | Added +1.1k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 76.5k $2.9m | Reduced -2.9k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 75.4k $2.9m | Reduced -20.5k |
| Phocas Financial Corp. 0.38% of their portfolio | 69.9k $2.7m | Reduced -71 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 67.9k $2.6m | Reduced -194.1k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 67.0k $2.6m | Reduced -3.0k |
| Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio | 66.3k $2.5m | Reduced -9.3k |
| Squarepoint Ops LLC 0.02% of their portfolio | 65.0k $2.5m | Reduced -74.5k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 64.6k $2.5m | Reduced -1.0k |
| PDT Partners, LLC 0.39% of their portfolio | 62.9k $2.4m | Reduced -7.7k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 62.7k $2.4m | Reduced -70.3k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 62.4k $2.4m | Added +49.5k |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 61.2k $2.3m | Reduced -1.4k |
| PUTNAM INVESTMENTS LLC 0.00% of their portfolio | 60.4k $2.3m | Added +21.7k |
| State of New Jersey Common Pension Fund D 0.01% of their portfolio | 59.1k $2.3m | Added +12.6k |
| George Kaiser Family Foundation 0.95% of their portfolio | 53.7k $6.4m | Unchanged |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 51.9k $2.0m | Added +34.5k |
| Erste Asset Management GmbH 0.04% of their portfolio | 48.6k $1.8m | Unchanged |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 47.0k $1.8m | Reduced -3.5k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 45.6k $1.7m | Added +29.8k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 43.1k $1.6m | Reduced -27.9k |
| Motley Fool Asset Management LLC 0.18% of their portfolio | 42.9k $1.6m | Added +6.4k |
| Hudson Bay Capital Management LP 0.02% of their portfolio | 42.5k $1.6m | Reduced -17.5k |
| Ergoteles LLC 0.06% of their portfolio | 42.3k $1.6m | Added +10.6k |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.01% of their portfolio | 38.0k $1.4m | New |
| SEI INVESTMENTS CO 0.00% of their portfolio | 37.8k $1.4m | Reduced -1.1k |
| Skandinaviska Enskilda Banken AB (publ) 0.01% of their portfolio | 37.7k $1.4m | Reduced -2.2k |
| MetLife Investment Management, LLC 0.01% of their portfolio | 37.2k $1.4m | Unchanged |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio | 35.0k $1.3m | New |
| DUALITY ADVISERS, LP 0.15% of their portfolio | 33.5k $1.3m | Reduced -1.7k |
| AMERICAN INTERNATIONAL GROUP, INC. 0.01% of their portfolio | 33.2k $1.3m | Reduced -121 |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 32.3k $1.2m | Added +965 |
| Trexquant Investment LP 0.03% of their portfolio | 30.9k $1.2m | Reduced -11.7k |
| MOORE CAPITAL MANAGEMENT, LP 0.03% of their portfolio | 30.0k $1.1m | Added +10.0k |