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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, Q3 2025

Institutional positions in PTC Therapeutics, Inc. as of Sep 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
294
+14 vs. Q2 2025
Shares held
82.7M
+2.80M (+3.5%) vs. Q2 2025
Total value
$5.07B
+$1.17B (+30.0%) vs. Q2 2025
New holders
55
101 more added
Sold out
41
105 more reduced

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 294 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 heldQ3 2025: $5.07B
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, Q3 2025

Shares, value and share of portfolio for each institution holding PTC Therapeutics, Inc.; share changes are against Q2 2025.

Institutions holding PTCT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc8,288,999$508.7M0.01%−558,468−6.3%Reduced
RTW Investments, LP7,746,415$475.4M5.86%00.0%Unchanged
BlackRock, Inc.7,130,807$437.6M0.01%−349,625−4.7%Reduced
Wellington Management Group LLP4,918,619$301.9M0.05%+224,481+4.8%Added
Janus Henderson Group PLC3,773,556$231.7M0.11%+598,541+18.9%Added
Armistice Capital, LLC3,277,272$201.1M6.31%−1,458,192−30.8%Reduced
Toronto Dominion Bank3,246,525$199.2M0.39%+800,567+32.7%Added
State Street Corp3,134,783$192.4M0.01%+138,329+4.6%Added
D. E. Shaw & Co., Inc.2,174,608$133.5M0.11%−263,089−10.8%Reduced
Geode Capital Management, LLC1,950,878$119.7M0.01%+16,285+0.8%Added
Citadel Advisors LLC1,731,025$106.2M0.09%+810,532+88.1%Added
FMR LLC1,611,775$98.9M0.01%−106,512−6.2%Reduced
Jefferies Financial Group Inc.1,584,678$97.3M0.89%+1,584,678New
Bank of America Corp1,517,036$93.1M0.01%+135,628+9.8%Added
Tang Capital Management LLC1,500,000$92.1M3.54%+400,000+36.4%Added
Pictet Asset Management Holding SA1,407,974$86.2M0.08%+366,543+35.2%Added
Point72 Asset Management, L.P.1,220,642$74.9M0.16%+1,220,642New
Franklin Resources Inc1,157,034$71.0M0.02%−117,726−9.2%Reduced
Driehaus Capital Management LLC1,131,749$69.5M0.50%+72,723+6.9%Added
Millennium Management LLC1,056,481$64.8M0.05%+672,079+174.8%Added
Hood River Capital Management LLC995,782$61.1M0.72%+359,280+56.4%Added
Renaissance Technologies LLC927,300$56.9M0.08%−36,000−3.7%Reduced
Goldman Sachs Group Inc876,409$53.8M0.01%+100,656+13.0%Added
Palo Alto Investors LP862,613$52.9M9.80%+456,144+112.2%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.800,878$49.1M0.13%+11,384+1.4%Added
Dimensional Fund Advisors LP773,178$47.4M0.01%+245,774+46.6%Added
Northern Trust Corp737,569$45.3M0.01%−1,622−0.2%Reduced
Nuveen, LLC721,202$44.3M0.01%−247,690−25.6%Reduced
Charles Schwab Investment Management Inc702,758$43.1M0.01%−4,946−0.7%Reduced
Pacer Advisors, Inc.503,966$30.9M0.08%−236,851−32.0%Reduced
JPMorgan Chase & Co490,934$30.1M0.00%−110,626−18.4%Reduced
Rockefeller Capital Management L.P.473,758$29.1M0.06%+10,679+2.3%Added
Price T Rowe Associates Inc458,330$28.1M0.00%+4,728+1.0%Added
UBS Group AG452,209$27.8M0.01%−126,741−21.9%Reduced
MPM Oncology Impact Management LP438,477$26.9M4.41%00.0%Unchanged
Qube Research & Technologies Ltd430,934$26.4M0.04%+92,771+27.4%Added
Manufacturers Life Insurance Company, The424,999$26.1M0.02%+383,307+919.4%Added
Morgan Stanley419,417$25.7M0.00%−743,922−63.9%Reduced
Lord, Abbett & Co. LLC378,053$23.2M0.07%−6,394−1.7%Reduced
Boston Partners361,664$22.2M0.02%+361,664New
Panagora Asset Management Inc348,366$21.4M0.09%+62,309+21.8%Added
AQR Capital Management LLC331,256$20.3M0.01%−205,860−38.3%Reduced
Arrowstreet Capital, Limited Partnership323,548$19.9M0.01%+289,548+851.6%Added
Invesco Ltd.313,057$19.2M0.00%+9,823+3.2%Added
Adage Capital Partners GP, L.L.C.291,000$17.9M0.03%−314,905−52.0%Reduced
Ensign Peak Advisors, Inc288,767$17.7M0.03%+20,550+7.7%Added
Voya Investment Management LLC284,891$17.5M0.02%+24,399+9.4%Added
Ikarian Capital, LLC280,551$17.2M3.90%+280,551New
Bank of New York Mellon Corp273,076$16.8M0.00%+6,905+2.6%Added
Man Group plc265,181$16.3M0.03%−406,332−60.5%Reduced
Russell Investments Group, Ltd.247,493$15.2M0.02%+115,744+87.9%Added
Legal & General Group Plc241,342$14.8M0.00%+18,505+8.3%Added
Barclays PLC239,649$14.7M0.01%−40,163−14.4%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main237,124$14.6M0.01%+29,235+14.1%Added
Parkman Healthcare Partners LLC202,363$12.4M1.36%+20,720+11.4%Added
Mackenzie Financial Corp201,792$12.4M0.02%+175,506+667.7%Added
Boxer Capital Management, LLC200,000$12.3M3.91%+200,000New
Sofinnova Investments, Inc.186,932$11.5M0.70%−189,007−50.3%Reduced
HSBC Holdings PLC178,499$11.0M0.01%+148,489+494.8%Added
Voloridge Investment Management, LLC159,596$9.79M0.03%−84,005−34.5%Reduced
Marshall Wace, LLP157,739$9.68M0.01%−380,037−70.7%Reduced
Candriam Luxembourg S.C.A.146,265$8.98M0.05%−2,330−1.6%Reduced
WCM Investment Management, LLC147,065$8.92M0.02%+147,065New
Swiss National Bank138,265$8.49M0.00%+2,700+2.0%Added
Universal- Beteiligungs- und Servicegesellschaft mbH132,101$8.11M0.01%+7,761+6.2%Added
SG Americas Securities, LLC130,097$7.98M0.03%+125,417+2,679.9%Added
UBS Asset Management Americas Inc129,898$7.97M0.00%−99,774−43.4%Reduced
First Trust Advisors LP121,855$7.48M0.01%−3,467−2.8%Reduced
Sector Gamma AS118,112$7.25M1.80%+25,862+28.0%Added
Rhumbline Advisers113,904$6.99M0.01%−4,635−3.9%Reduced
Group One Trading, L.P.113,271$6.95M0.21%+105,656+1,387.5%Added
Boothbay Fund Management, LLC110,631$6.79M0.18%+110,631New
Assenagon Asset Management S.A.107,648$6.61M0.01%−523,974−83.0%Reduced
Woodline Partners LP105,605$6.48M0.03%+105,605New
SummitTX Capital, L.P.102,734$6.30M0.26%+88,826+638.7%Added
Rafferty Asset Management, LLC101,001$6.20M0.02%+3,372+3.5%Added
Jane Street Group, LLC100,206$6.15M0.01%+50,985+103.6%Added
Royal Bank of Canada98,879$6.07M0.00%−173,460−63.7%Reduced
Balyasny Asset Management LLC95,925$5.89M0.01%+95,925New
Cinctive Capital Management LP95,308$5.85M0.29%+95,308New
BI Asset Management Fondsmaeglerselskab A/S95,005$5.83M0.05%−31,115−24.7%Reduced
Alliancebernstein L.P.92,017$5.65M0.00%+47+0.1%Added
Hillsdale Investment Management Inc.91,136$5.59M0.17%−16,620−15.4%Reduced
Pinnacle Associates Ltd88,592$5.44M0.07%−3,916−4.2%Reduced
Prudential Financial Inc87,440$5.37M0.01%+3,190+3.8%Added
Raymond James Financial Inc83,125$5.10M0.00%−2,596−3.0%Reduced
Deutsche Bank AG79,888$4.90M0.00%−55,168−40.8%Reduced
Victory Capital Management Inc76,113$4.67M0.00%+3,936+5.5%Added
ExodusPoint Capital Management, LP73,458$4.51M0.06%+73,458New
Principal Financial Group Inc67,677$4.15M0.00%+13,677+25.3%Added
California State Teachers Retirement System64,527$3.96M0.00%+30.0%Added
Hussman Strategic Advisors, Inc.63,000$3.87M0.84%00.0%Unchanged
Point72 Europe (London) LLP62,407$3.83M0.21%+62,407New
State of Wisconsin Investment Board58,785$3.61M0.01%+9,926+20.3%Added
SEI Investments Co58,341$3.58M0.00%−10,727−15.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.54,592$3.35M0.01%−5,658−9.4%Reduced
Wells Fargo & Company51,443$3.16M0.00%+7,506+17.1%Added
Harbor Capital Advisors, Inc.49,600$3.04M0.24%+833+1.7%Added
Los Angeles Capital Management LLC47,447$2.91M0.01%+1,538+3.4%Added
Massachusetts Financial Services Co46,070$2.83M0.00%+3,029+7.0%Added