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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 2025

Institutional positions in PTC Therapeutics, Inc. as of Jun 30, 2025. 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
284
+25 vs. Q1 2025
Shares held
79.9M
+1.15M (+1.5%) vs. Q1 2025
Total value
$3.90B
−$120.9M (−3.0%) vs. Q1 2025
New holders
60
111 more added
Sold out
35
80 more reduced

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 284 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 2025: $3.90B
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 2025

Shares, value and share of portfolio for each institution holding PTC Therapeutics, Inc.; share changes are against Q1 2025.

Institutions holding PTCT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Quest Partners LLC7,909$386.3K0.04%+6,102+337.7%Added
Ameritas Investment Partners, Inc.7,936$387.6K0.01%+231+3.0%Added
CWM Advisors, LLC7,943$388.0K0.04%+1,061+15.4%Added
MML Investors Services, LLC8,250$403.0K0.00%+8,250New
Mariner, LLC8,319$406.3K0.00%+8,319New
Susquehanna Portfolio Strategies, LLC8,340$407.3K0.01%+8,340New
Aquatic Capital Management LLC8,420$411.2K0.01%−9,004−51.7%Reduced
Cerity Partners LLC8,503$415.3K0.00%−4,078−32.4%Reduced
Sectoral Asset Management Inc8,535$416.8K0.28%+185+2.2%Added
Virtus Investment Advisers, Inc.8,717$425.7K0.14%+1,134+15.0%Added
Public Employees Retirement Association of Colorado8,727$426.0K0.00%00.0%Unchanged
Apollon Wealth Management, LLC8,839$431.7K0.01%00.0%Unchanged
Avantax Advisory Services, Inc.9,104$444.6K0.00%00.0%Unchanged
Headlands Technologies LLC9,269$452.7K0.05%+9,269New
Cambria Investment Management, L.P.9,312$454.8K0.03%+9,312New
Aviva PLC9,557$466.8K0.00%+9,557New
Quadrature Capital Ltd9,582$467.7K0.01%−3,098−24.4%Reduced
CIBC World Markets Corp9,577$467.7K0.00%−7,323−43.3%Reduced
Vise Technologies, Inc.9,941$485.5K0.02%+9,941New
Ameriprise Financial Inc10,630$519.2K0.00%−7,533−41.5%Reduced
Wealth Enhancement Advisory Services, LLC10,753$527.6K0.00%−917−7.9%Reduced
E Fund Management Co., Ltd.10,898$532.3K0.03%+5,564+104.3%Added
Martingale Asset Management L P10,903$532.5K0.01%−889−7.5%Reduced
Wolverine Trading, LLC10,836$540.1K0.01%+10,836New
OP Asset Management Ltd11,323$553.0K0.01%+11,323New
RSM US Wealth Management LLC11,691$571.0K0.01%−356−3.0%Reduced
Entropy Technologies, LP12,478$609.4K0.05%+7,986+177.8%Added
Allspring Global Investments Holdings, LLC12,545$612.7K0.00%+2,258+22.0%Added
BNP Paribas Arbitrage, SA12,904$630.2K0.00%+7,329+131.5%Added
Fox Run Management, L.L.C.13,328$650.9K0.11%+13,328New
SummitTX Capital, L.P.13,908$679.3K0.03%−6,841−33.0%Reduced
Elo Mutual Pension Insurance Co14,111$689.2K0.01%+14,111New
KLP Kapitalforvaltning AS14,300$698.4K0.00%00.0%Unchanged
Toroso Investments, LLC14,395$703.1K0.00%+14,395New
Wolverine Asset Management LLC14,542$710.2K0.01%+14,542New
UBS Oconnor LLC14,548$710.5K0.02%−8,805−37.7%Reduced
Campbell & CO Investment Adviser LLC14,893$727.4K0.05%+14,893New
Fieldview Capital Management, LLC15,366$750.5K0.11%+15,366New
Diversified Trust Co15,833$773.3K0.02%−1,314−7.7%Reduced
China Universal Asset Management Co., Ltd.15,918$777.4K0.07%+98+0.6%Added
LGL Partners, LLC16,000$805.8K0.36%+4,000+33.3%Added
Police & Firemen's Retirement System of New Jersey17,222$841.1K0.01%+528+3.2%Added
CWM, LLC17,855$872.0K0.00%+99+0.6%Added
Guggenheim Capital LLC18,338$895.6K0.01%+2,317+14.5%Added
Bayforest Capital Ltd18,779$917.2K0.40%+10,626+130.3%Added
ProShare Advisors LLC18,898$923.0K0.00%−1,149−5.7%Reduced
Teacher Retirement System of Texas19,123$934.0K0.00%+442+2.4%Added
State Board of Administration of Florida Retirement System20,211$987.1K0.00%00.0%Unchanged
Arizona State Retirement System20,695$1.01M0.01%+871+4.4%Added
Profund Advisors LLC20,842$1.02M0.04%+8,131+64.0%Added
Lazard Asset Management LLC21,826$1.06M0.00%−278−1.3%Reduced
Great West Life Assurance Co21,793$1.06M0.00%+1,755+8.8%Added
Susquehanna Fundamental Investments, LLC21,887$1.07M0.03%−13,941−38.9%Reduced
Handelsbanken Fonder AB22,500$1.10M0.00%−1,300−5.5%Reduced
Neo Ivy Capital Management23,067$1.13M0.36%−13,179−36.4%Reduced
Rathbone Brothers plc23,500$1.15M0.00%00.0%Unchanged
STRS Ohio23,800$1.16M0.00%+15,200+176.7%Added
Federated Hermes, Inc.24,284$1.19M0.00%−51,061−67.8%Reduced
DekaBank Deutsche Girozentrale24,000$1.19M0.00%00.0%Unchanged
Engineers Gate Manager LP24,354$1.19M0.01%−36,622−60.1%Reduced
Teachers Retirement System of the State of Kentucky24,402$1.19M0.01%+3,580+17.2%Added
Convergence Investment Partners, LLC24,679$1.21M0.31%+24,679New
Creative Planning24,817$1.21M0.00%−2,152−8.0%Reduced
New York State Common Retirement Fund25,421$1.24M0.00%00.0%Unchanged
PDT Partners, LLC25,684$1.25M0.07%−14,651−36.3%Reduced
Danske Bank A/S25,891$1.26M0.00%+25,891New
Graham Capital Management, L.P.26,061$1.27M0.04%+9,336+55.8%Added
Mackenzie Financial Corp26,286$1.28M0.00%+194+0.7%Added
Y-Intercept (Hong Kong) Ltd27,832$1.36M0.03%+22,851+458.8%Added
HSBC Holdings PLC30,010$1.47M0.00%+12,299+69.4%Added
Zurcher Kantonalbank (Zurich Cantonalbank)30,612$1.50M0.00%+11,518+60.3%Added
Gsa Capital Partners LLP30,982$1.51M0.11%+30,982New
Virginia Retirement Systems Et Al31,650$1.55M0.01%+11,200+54.8%Added
Arrowstreet Capital, Limited Partnership34,000$1.66M0.00%+34,000New
Gotham Asset Management, LLC35,629$1.74M0.01%+30,829+642.3%Added
Jackson Creek Investment Advisors LLC36,729$1.79M0.48%+36,729New
Segall Bryant & Hamill, LLC37,734$1.84M0.03%+37,734New
Walleye Capital LLC37,907$1.85M0.02%−31,253−45.2%Reduced
Intech Investment Management LLC39,307$1.92M0.02%00.0%Unchanged
State of New Jersey Common Pension Fund D41,376$2.02M0.01%+2,701+7.0%Added
Manufacturers Life Insurance Company, The41,692$2.04M0.00%−1,468−3.4%Reduced
Schonfeld Strategic Advisors LLC42,259$2.06M0.02%−23,592−35.8%Reduced
Empowered Funds, LLC42,507$2.08M0.02%+3,279+8.4%Added
Alps Advisors Inc42,709$2.09M0.01%−14,659−25.6%Reduced
Massachusetts Financial Services Co43,041$2.10M0.00%+532+1.3%Added
American Century Companies Inc43,844$2.14M0.00%−12,409−22.1%Reduced
Wells Fargo & Company43,937$2.15M0.00%+4,582+11.6%Added
J. Goldman & Co LP44,058$2.15M0.07%+44,058New
Cubist Systematic Strategies, LLC45,641$2.23M0.02%+45,641New
Los Angeles Capital Management LLC45,909$2.24M0.01%+30,745+202.7%Added
Jupiter Asset Management Ltd46,104$2.25M0.02%+46,104New
MetLife Investment Management46,331$2.26M0.01%+1,977+4.5%Added
Harbor Capital Advisors, Inc.48,767$2.38M0.10%+8,042+19.7%Added
State of Wisconsin Investment Board48,859$2.39M0.01%−17,913−26.8%Reduced
Jane Street Group, LLC49,221$2.40M0.00%−109,409−69.0%Reduced
Royce & Associates LP50,237$2.45M0.03%+50,237New
Brevan Howard Capital Management LP50,387$2.46M0.03%+50,387New
Two Sigma Investments, LP50,851$2.48M0.00%−29,249−36.5%Reduced
Jump Financial, LLC51,606$2.52M0.03%+51,606New
Principal Financial Group Inc54,000$2.64M0.00%+48,160+824.7%Added