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PTC Therapeutics, Inc.

PTCT
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001070081

In the last 90 days, PTC Therapeutics, Inc. insiders filed 0 open-market purchases and 11 sales; 382 institutions reported holding it in 13F filings for Q2 2026, worth $8.20B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in PTC Therapeutics, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
382
+32 vs. Q1 2026
Shares held
100.5M
+12.2M (+13.8%) vs. Q1 2026
Total value
$8.20B
+$2.18B (+36.3%) vs. Q1 2026
New holders
76
143 more added
Sold out
44
112 more reduced

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PTCT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 382 institutions
Q1 2021: 208 institutionsQ2 2021: 183 institutionsQ3 2021: 184 institutionsQ4 2021: 179 institutionsQ1 2022: 184 institutionsQ2 2022: 182 institutionsQ3 2022: 213 institutionsQ4 2022: 203 institutionsQ1 2023: 203 institutionsQ2 2023: 206 institutionsQ3 2023: 181 institutionsQ4 2023: 174 institutionsQ1 2024: 184 institutionsQ2 2024: 199 institutionsQ3 2024: 203 institutionsQ4 2024: 240 institutionsQ1 2025: 261 institutionsQ2 2025: 284 institutionsQ3 2025: 294 institutionsQ4 2025: 353 institutionsQ1 2026: 352 institutionsQ2 2026: 382 institutions
Value heldQ2 2026: $8.20B
Q1 2021: $3.52BQ2 2021: $3.13BQ3 2021: $2.77BQ4 2021: $3.00BQ1 2022: $2.76BQ2 2022: $2.97BQ3 2022: $3.83BQ4 2022: $2.94BQ1 2023: $3.81BQ2 2023: $3.30BQ3 2023: $1.83BQ4 2023: $2.33BQ1 2024: $2.48BQ2 2024: $2.44BQ3 2024: $2.93BQ4 2024: $3.51BQ1 2025: $4.02BQ2 2025: $3.90BQ3 2025: $5.07BQ4 2025: $7.04BQ1 2026: $6.51BQ2 2026: $8.20B
Institutions holding PTCT and their total value by quarter
QuarterHoldersValue
Q2 2026382$8.20B
Q1 2026352$6.51B
Q4 2025353$7.04B
Q3 2025294$5.07B
Q2 2025284$3.90B
Q1 2025261$4.02B
Q4 2024240$3.51B
Q3 2024203$2.93B
Q2 2024199$2.44B
Q1 2024184$2.48B
Q4 2023174$2.33B
Q3 2023181$1.83B
Q2 2023206$3.30B
Q1 2023203$3.81B
Q4 2022203$2.94B
Q3 2022213$3.83B
Q2 2022182$2.97B
Q1 2022184$2.76B
Q4 2021179$3.00B
Q3 2021184$2.77B
Q2 2021183$3.13B
Q1 2021208$3.52B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding PTC Therapeutics, Inc.; share changes are against Q1 2026.

Institutions holding PTCT in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Los Angeles Capital Management LLC55,926$4.56M0.02%−15,734−22.0%Reduced
Creative Planning55,712$4.54M0.00%+13,516+32.0%Added
Thrivent Financial for Lutherans54,470$4.44M0.01%+880+1.6%Added
OrbiMed Advisors LLC49,100$4.01M0.08%00.0%Unchanged
MetLife Investment Management48,212$3.93M0.02%+5,334+12.4%Added
Millennium Management LLC46,494$3.79M0.00%+46,494New
Phocas Financial Corp.46,170$3.77M0.52%+26,295+132.3%Added
New York State Teachers Retirement System44,637$3.64M0.01%−316−0.7%Reduced
Martingale Asset Management L P44,475$3.63M0.09%−1,032−2.3%Reduced
Quadrature Capital Ltd44,005$3.59M0.03%+44,005New
Mirae Asset Global ETFs Holdings Ltd.42,550$3.47M0.00%−8,518−16.7%Reduced
State of Wisconsin Investment Board42,127$3.44M0.01%−26,861−38.9%Reduced
Credit Agricole S A41,000$3.34M0.01%+14,684+55.8%Added
Teachers Retirement System of the State of Kentucky40,858$3.33M0.02%00.0%Unchanged
Fisher Asset Management, LLC40,730$3.32M0.00%−3,828−8.6%Reduced
Allspring Global Investments Holdings, LLC39,501$3.21M0.00%−8,370−17.5%Reduced
New York State Common Retirement Fund38,427$3.13M0.00%+9,512+32.9%Added
CenterBook Partners LP37,795$3.08M0.15%−19,018−33.5%Reduced
Rafferty Asset Management, LLC37,634$3.07M0.01%−31,051−45.2%Reduced
Fifth Third Bancorp37,328$3.04M0.00%+19,881+114.0%Added
Burney Co37,320$3.04M0.08%+21,708+139.0%Added
Vanguard Global Advisers, LLC37,185$3.03M0.00%−487−1.3%Reduced
Arrowpoint Investment Partners (Singapore) Pte. Ltd.36,873$3.01M0.88%−2,828−7.1%Reduced
Louisiana State Employees Retirement System36,400$2.97M0.04%+800+2.2%Added
Castleark Management LLC33,900$2.77M0.07%−57,980−63.1%Reduced
Jump Financial, LLC33,374$2.72M0.02%+33,374New
Guggenheim Capital LLC32,811$2.68M0.02%+6,432+24.4%Added
O'Shaughnessy Asset Management, LLC31,942$2.61M0.01%−1,477−4.4%Reduced
State of Alaska, Department of Revenue31,782$2.59M0.03%−12,316−27.9%Reduced
Mercer Global Advisors Inc31,590$2.58M0.00%−18,767−37.3%Reduced
Hussman Strategic Advisors, Inc.31,500$2.57M0.59%+31,500New
Mackenzie Financial Corp31,477$2.57M0.00%−314,206−90.9%Reduced
Pathstone Holdings, LLC31,023$2.53M0.01%+8,539+38.0%Added
State of Tennessee, Treasury Department31,012$2.53M0.01%−1,378−4.3%Reduced
Victory Capital Management Inc30,345$2.48M0.00%+3,092+11.3%Added
Handelsbanken Fonder AB29,000$2.37M0.01%+3,800+15.1%Added
Virginia Retirement Systems Et Al28,450$2.32M0.01%+1,700+6.4%Added
Engineers Gate Manager LP27,276$2.22M0.03%−18,878−40.9%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)26,965$2.20M0.00%00.0%Unchanged
Exchange Traded Concepts, LLC26,334$2.15M0.01%+1,071+4.2%Added
Ritholtz Wealth Management25,095$2.05M0.03%+917+3.8%Added
QRG Capital Management, Inc.24,989$2.04M0.02%−1,034−4.0%Reduced
Polen Capital Management LLC24,916$2.03M0.02%+24,916New
Police & Firemen's Retirement System of New Jersey24,453$1.99M0.01%+3,386+16.1%Added
Rathbone Brothers plc23,500$1.92M0.01%00.0%Unchanged
State Board of Administration of Florida Retirement System23,098$1.88M0.00%+2,887+14.3%Added
Quantinno Capital Management LP22,988$1.88M0.00%+16,382+248.0%Added
Profund Advisors LLC22,973$1.87M0.05%−10,353−31.1%Reduced
State of New Jersey Common Pension Fund D22,788$1.86M0.01%−1,907−7.7%Reduced
Yousif Capital Management, LLC22,524$1.84M0.02%+380+1.7%Added
Amalgamated Bank22,281$1.82M0.01%−678−3.0%Reduced
Bridgeway Capital Management, LLC22,000$1.79M0.03%00.0%Unchanged
Convergence Investment Partners, LLC21,727$1.77M0.17%−5,492−20.2%Reduced
Lazard Asset Management LLC21,215$1.73M0.00%−4,773−18.4%Reduced
DeepCurrents Investment Group LLC20,696$1.69M0.06%+20,696New
Balyasny Asset Management LLC20,605$1.68M0.00%−439,959−95.5%Reduced
Vestmark Advisory Solutions, Inc.19,902$1.62M0.02%+4,666+30.6%Added
DekaBank Deutsche Girozentrale24,000$1.62M0.00%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys19,670$1.60M0.01%−185−0.9%Reduced
Ieq Capital, LLC19,611$1.60M0.01%−2,710−12.1%Reduced
Walleye Capital LLC19,522$1.59M0.01%+19,522New
Vestcor Inc19,488$1.59M0.04%00.0%Unchanged
Arizona State Retirement System19,446$1.59M0.01%−402−2.0%Reduced
Oregon Public Employees Retirement Fund18,902$1.54M0.02%+500+2.7%Added
Vanguard Investments Australia, Ltd.18,397$1.50M0.00%00.0%Unchanged
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management15,916$1.30M0.02%+2,065+14.9%Added
KLP Kapitalforvaltning AS15,900$1.30M0.00%00.0%Unchanged
Virtus Investment Advisers, Inc.15,476$1.26M0.29%+4,316+38.7%Added
Advisors Asset Management, Inc.15,280$1.25M0.02%+6,234+68.9%Added
CI Private Wealth, LLC15,095$1.23M0.00%+15,095New
Verition Fund Management LLC15,000$1.22M0.01%+15,000New
Landscape Capital Management, L.L.C.14,958$1.22M0.08%+14,958New
SummitTX Capital, L.P.14,579$1.19M0.03%+14,579New
ProShare Advisors LLC14,542$1.19M0.00%−1,428−8.9%Reduced
Capital Fund Management S.A.13,935$1.14M0.01%−107,351−88.5%Reduced
Tudor Investment Corp Et Al13,739$1.12M0.00%−28,433−67.4%Reduced
Envestnet Portfolio Solutions, Inc.13,730$1.12M0.01%+237+1.8%Added
Susquehanna Portfolio Strategies, LLC13,525$1.10M0.02%00.0%Unchanged
Financiere des Professionnels - Fonds d,investissement inc.13,502$1.10M0.06%+6,274+86.8%Added
China Universal Asset Management Co., Ltd.13,201$1.08M0.06%−1,488−10.1%Reduced
Natixis Advisors, L.P.13,181$1.07M0.00%+13,181New
Mitsubishi UFJ Trust & Banking Corp13,070$1.07M0.00%+13,070New
Wealth Enhancement Advisory Services, LLC12,417$1.05M0.00%+1,290+11.6%Added
First Citizens Bank & Trust Co12,595$1.03M0.02%+14+0.1%Added
Amundi12,227$997.4K0.00%+7,727+171.7%Added
Maryland State Retirement & Pension System12,064$984.1K0.02%+364+3.1%Added
Cambria Investment Management, L.P.11,398$929.7K0.05%+773+7.3%Added
Lighthouse Investment Partners, LLC11,202$913.7K0.03%+11,202New
Jackson Creek Investment Advisors LLC13,250$901.0K0.30%+13,250New
Mariner, LLC11,044$900.9K0.00%+473+4.5%Added
Two Sigma Investments, LP10,654$869.0K0.00%−16,456−60.7%Reduced
The PNC Financial Services Group, Inc.10,578$862.8K0.00%+7,450+238.2%Added
Juncture Wealth Strategies, LLC10,577$862.8K0.22%+5,429+105.5%Added
Dauntless Investment Group, LLC10,193$831.4K1.44%+1,831+21.9%Added
Royce & Associates LP9,523$776.8K0.01%−83,305−89.7%Reduced
Mutual of America Capital Management LLC9,500$774.9K0.01%+312+3.4%Added
Cerity Partners LLC9,375$764.7K0.00%−1,481−13.6%Reduced
Empirical Finance, LLC9,226$752.6K0.03%+9,226New
Jane Street Group, LLC9,037$737.1K0.00%+9,037New
LGL Partners, LLC9,000$734.1K0.27%00.0%Unchanged