Security record
PTCT
PTC Therapeutics, Inc. · Healthcare · Biotechnology
113Tracked holders
+8Δ holders
59.00MShares held
$4.80BReported value
+13New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth +7.6% ·
share flow +1.7% ·
net new positions +5.3%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 113 | +8 | 59.00M | $4.80B | +13 | −7 |
| Q1 2026 | 110 | -8 | 65.31M | $4.45B | +9 | −18 |
| Q4 2025 | 117 | 0 | 67.93M | $5.16B | +1 | — |
| Q3 2025 | 22 | +2 | 38.04M | $2.33B | +2 | — |
| Q2 2025 | 17 | 0 | 34.63M | $1.69B | +1 | −1 |
| Q1 2025 | 14 | +2 | 16.93M | $862.87M | +2 | — |
| Q4 2024 | 12 | 0 | 14.84M | $670.12M | — | — |
| Q3 2024 | 11 | -2 | 14.00M | $519.42M | — | −2 |
| Q2 2024 | 13 | — | 14.28M | $436.54M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 13.96M | +7.8% | $1.14B | 0.0% | ▲ Add | 5 | SEC ↗ ×17 |
| 2 | State Street Global Advisors ✦ (passive) | 4.60M | +5.8% | $375.14M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 3 | Wellington Management ✦ | 4.13M | +4.7% | $336.74M | 0.1% | ▲ Add | 9 | SEC ↗ ×7 |
| 4 | Vanguard Capital Management Llc | 3.74M | +1.7% | $305.00M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 2.21M | -0.1% | $180.09M | 0.0% | ▼ Trim | 9 | SEC ↗ ×2 |
| 6 | Toronto Dominion Bank | 2.17M | -28.4% | $176.67M | 0.3% | ▼ Trim | 3 | SEC ↗ ×2 |
| 7 | D. E. Shaw & Co. ✦ | 1.55M | -5.6% | $126.35M | 0.1% | ▼ Trim | 9 | SEC ↗ ×2 |
| 8 | Bank Of America Corp /De/ | 1.45M | -23.0% | $118.46M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 9 | Fidelity (FMR) ✦ | 1.40M | -8.5% | $114.06M | 0.0% | ▼ Trim | 5 | SEC ↗ ×7 |
| 10 | Pictet Asset Management Holding SA | 1.15M | -3.0% | $93.63M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 1.11M | +134.6% | $90.91M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 12 | Morgan Stanley ✦ | 1.10M | +63.7% | $90.03M | 0.0% | ▲ Add | 4 | SEC ↗ ×10 |
| 13 | Franklin Resources Inc | 1.03M | -8.4% | $83.80M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 14 | Invesco Ltd. | 941.58K | +8.8% | $76.80M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 15 | Northern Trust Corp | 880.03K | +9.2% | $71.78M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 16 | Charles Schwab Investment… | 790.11K | +8.0% | $64.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | Citadel Advisors ✦ | 747.82K | +94.1% | $61.00M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 18 | Renaissance Technologies ✦ | 723.50K | +35.7% | $59.02M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 19 | Boston Partners | 718.57K | +11.0% | $58.61M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 20 | Marshall Wace ✦ | 704.79K | +53.0% | $57.49M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 21 | JPMorgan Chase ✦ | 684.04K | +97.7% | $56.07M | 0.0% | ▲ Add | 4 | SEC ↗ ×8 |
| 22 | Arrowstreet Capital ✦ | 654.38K | +486.2% | $53.38M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Dimensional Fund Advisors Lp | 637.70K | -28.4% | $52.02M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 24 | Goldman Sachs Group ✦ | 618.25K | -25.3% | $50.43M | 0.0% | ▼ Trim | 4 | SEC ↗ ×3 |
| 25 | Loomis Sayles & Co L P | 590.37K | +19.6% | $48.16M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 26 | Nuveen, LLC | 583.83K | -12.5% | $47.62M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 27 | Bank of New York Mellon Corp | 753.46K | +44.1% | $45.47M | 0.0% | ▲ Add | 3 | SEC ↗ ×11 |
| 28 | Principal Financial Group Inc | 541.63K | +5.2% | $44.18M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 29 | Voya Investment Management Llc | 539.32K | +57.4% | $43.99M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 30 | Ensign Peak Advisors, Inc | 508.06K | -12.8% | $41.44M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 31 | American Century Companies Inc | 501.00K | +9913.9% | $40.87M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Federated Hermes, Inc. | 483.42K | +114.0% | $39.43M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 33 | Manufacturers Life Insurance… | 441.96K | +3.9% | $36.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Russell Investments Group, Ltd. | 418.02K | +24.6% | $34.10M | 0.0% | ▲ Add | 3 | SEC ↗ ×11 |
| 35 | Susquehanna International Group, Llp | 395.66K | +90.3% | $32.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Bnp Paribas Financial Markets | 378.72K | -58.9% | $30.89M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 37 | Legal & General Group Plc | 352.73K | +2.7% | $28.77M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 38 | AQR Capital Management ✦ | 332.25K | -2.9% | $27.10M | 0.0% | ▼ Trim | 9 | SEC ↗ ×6 |
| 39 | Qube Research & Technologies Ltd | 311.37K | -39.4% | $25.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 40 | BNP Paribas Asset Management… | 303.69K | -2.6% | $24.77M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 41 | Rockefeller Capital Management L.P. | 302.39K | -21.4% | $24.67M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 42 | Deutsche Bank Ag\ | 296.90K | +24.4% | $24.22M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 43 | UBS Group AG | 262.43K | -80.8% | $21.41M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 44 | Allianz Asset Management GmbH | 231.10K | +3023.0% | $18.85M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 45 | Rhumbline Advisers | 192.71K | -9.3% | $15.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Prudential Financial Inc | 185.82K | +12.9% | $15.16M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 47 | Ameriprise Financial Inc | 171.87K | +3.1% | $14.02M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 48 | Swiss National Bank | 141.47K | -1.0% | $11.54M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Universal- Beteiligungs- und… | 135.63K | +4.6% | $11.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Hsbc Holdings Plc | 131.39K | -42.1% | $10.76M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 51 | UBS AM, a distinct business unit of… | 126.01K | -0.8% | $10.28M | 0.0% | ▼ Trim | 3 | SEC ↗ ×8 |
| 52 | Sei Investments Co | 125.43K | -3.7% | $10.23M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 53 | Citigroup Inc | 118.66K | +435.8% | $9.68M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 54 | First Trust Advisors Lp | 113.35K | -16.6% | $9.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Schroder Investment Management Group | 101.43K | -24.9% | $8.27M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 56 | Wcm Investment Management, Llc | 93.80K | -0.9% | $7.65M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Alliancebernstein L.P. | 105.94K | -30.4% | $7.22M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | Wells Fargo & Company/Mn | 83.07K | +173.9% | $6.78M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 59 | Raymond James Financial Inc | 69.66K | +32.8% | $5.68M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 60 | Barclays Plc | 58.37K | +10.0% | $4.76M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 61 | Creative Planning | 55.71K | +32.0% | $4.54M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 62 | Millennium Management ✦ | 46.49K | New | $3.79M | 0.0% | New | 1 | SEC ↗ |
| 63 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 42.55K | -16.7% | $3.47M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 64 | State Of Wisconsin Investment Board | 42.13K | -38.9% | $3.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | Credit Agricole S A | 41.00K | +55.8% | $3.34M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Fisher Asset Management ✦ | 40.73K | -8.6% | $3.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Allspring Global Investments… | 39.50K | -17.5% | $3.21M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 68 | New York State Common Retirement… | 38.43K | +32.9% | $3.13M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Fifth Third Bancorp | 37.33K | +114.0% | $3.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Mercer Global Advisors Inc /Adv | 31.59K | -37.3% | $2.58M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Mackenzie Financial Corp | 31.48K | -90.9% | $2.57M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Victory Capital Management Inc | 30.34K | +11.3% | $2.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Zurcher Kantonalbank (Zurich… | 26.96K | 0.0% | $2.20M | 0.0% | Held | 3 | SEC ↗ |
| 74 | State Board Of Administration Of… | 23.10K | +14.3% | $1.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Quantinno Capital Management LP | 22.99K | +248.0% | $1.88M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Lazard Asset Management Llc | 21.21K | -18.4% | $1.73M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 77 | Balyasny Asset Management L.P. | 20.61K | -95.5% | $1.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Corient Private Wealth LP | 15.12K | New | $1.23M | 0.0% | New | 1 | SEC ↗ |
| 79 | ProShare Advisors LLC | 14.54K | -8.9% | $1.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Assenagon Asset Management S.A. | 13.80K | -77.5% | $1.13M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 81 | Tudor Investment Corp Et Al | 13.74K | -67.4% | $1.12M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Mitsubishi UFJ Trust & Banking Corp | 13.07K | New | $1.07M | 0.0% | New | 1 | SEC ↗ |
| 83 | Wealth Enhancement Advisory… | 12.42K | +11.6% | $1.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Mariner, LLC | 11.04K | +4.5% | $900,859 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Two Sigma Investments ✦ | 10.65K | -60.7% | $869,047 | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 86 | Pnc Financial Services Group, Inc. | 10.58K | +238.2% | $862,847 | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 87 | Cerity Partners LLC | 9.38K | -13.6% | $764,720 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 88 | Jane Street Group, Llc | 9.04K | New | $737,148 | 0.0% | New | 1 | SEC ↗ ×2 |
| 89 | Bank Of Montreal /Can/ | 8.91K | +7.4% | $726,870 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 90 | Captrust Financial Advisors | 7.96K | +113.2% | $649,460 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Mml Investors Services, Llc | 7.81K | +2.4% | $637,143 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | Massachusetts Financial Services Co… | 7.28K | -78.3% | $594,074 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 93 | Robeco Institutional Asset… | 5.94K | -5.0% | $484,363 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | Capstone Investment Advisors, Llc | 5.88K | New | $479,713 | 0.0% | New | 1 | SEC ↗ ×2 |
| 95 | Neuberger Berman Group LLC | 5.77K | -95.2% | $470,740 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 96 | Canada Pension Plan Investment Board | 5.40K | -89.3% | $440,478 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 97 | Royal Bank Of Canada | 5.31K | +37.4% | $433,000 | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 98 | Envestnet Asset Management Inc | 5.29K | +60.3% | $431,449 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 99 | CIBC Bancorp USA Inc. | 4.64K | +16.0% | $378,485 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 100 | Mirae Asset Global Investments Co.… | 3.71K | -14.1% | $302,625 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $3.79M | 0.0% |
| Corient Private Wealth LP | $1.23M | 0.0% |
| Mitsubishi UFJ Trust &… | $1.07M | 0.0% |
| Jane Street Group, Llc | $737,148 | 0.0% |
| Capstone Investment Advisors… | $479,713 | 0.0% |
Exited
| DZ BANK AG Deutsche Zentral… | $14.54M | was 0.0% |
| Group One Trading Llc | $3.59M | was 0.1% |
| Simplex Trading, Llc | $693,563 | was 0.0% |
| HighTower Advisors, LLC | $461,581 | was 0.0% |
| Aviva Plc | $460,831 | was 0.0% |
| Amundi | $306,585 | was 0.0% |
| Assetmark, Inc | $204 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 348 holders, 95.15M shares, $6.33B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Oct 07
SCHMERTZLER MICHAEL
Director · 53 sh · $3,389
Oct 07
SCHMERTZLER MICHAEL
Director · 2.45K sh · $155,091
Oct 06
Boulding Mark Elliott
Officer · 435 sh · $27,910
Oct 05
Boulding Mark Elliott
Officer · 1.64K sh · $104,881
Sep 17
SCHMERTZLER MICHAEL
Director · 376 sh · $25,737
Sep 17
SCHMERTZLER MICHAEL
Director · 9.62K sh · $652,796
Sep 16
SCHMERTZLER MICHAEL
Director · 2.99K sh · $199,341
Sep 16
SCHMERTZLER MICHAEL
Director · 7.01K sh · $471,854
Sep 10
SCHMERTZLER MICHAEL
Director · 10.00K sh · $673,400
Sep 09
SCHMERTZLER MICHAEL
Director · 9.43K sh · $639,124
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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