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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 12 sales; 382 institutions reported holding it in 13F filings for Q2 2026, worth $8.20B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in PTC Therapeutics, Inc. as of Mar 31, 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
352
+6 vs. Q4 2025
Shares held
95.5M
+11.7M (+14.0%) vs. Q4 2025
Total value
$6.51B
+$140.8M (+2.2%) vs. Q4 2025
New holders
61
145 more added
Sold out
55
102 more reduced

7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 352 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 heldQ1 2026: $6.51B
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, Q1 2026

Shares, value and share of portfolio for each institution holding PTC Therapeutics, Inc.; share changes are against Q4 2025.

Institutions holding PTCT in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Tower Research Capital LLC (TRC)8,165$556.3K0.01%+3,802+87.1%Added
Public Employees Retirement Association of Colorado7,996$545.0K0.00%00.0%Unchanged
MML Investors Services, LLC7,631$519.9K0.00%+480+6.7%Added
Sectoral Asset Management Inc6,650$515.1K0.43%−1,065−13.8%Reduced
CWM Advisors, LLC7,559$515.0K0.03%+1,419+23.1%Added
Allianz Asset Management GmbH7,400$504.2K0.00%−7,185−49.3%Reduced
Measured Wealth Private Client Group, LLC7,395$503.8K0.14%+2,432+49.0%Added
Swiss Life Asset Management Ltd7,369$502.1K0.00%+1,578+27.2%Added
Xponance, Inc.7,363$501.6K0.00%+1,191+19.3%Added
Apollon Wealth Management, LLC7,339$500.0K0.01%−27−0.4%Reduced
JustInvest LLC7,318$498.6K0.00%+3,270+80.8%Added
Globeflex Capital L P7,290$496.7K0.08%+31+0.4%Added
Financiere des Professionnels - Fonds d,investissement inc.7,228$492.4K0.03%+1,407+24.2%Added
McGuire Capital Advisors Inc6,892$469.6K0.30%+1,666+31.9%Added
HighTower Advisors, LLC6,775$461.6K0.00%+3,556+110.5%Added
Aviva PLC6,764$460.8K0.00%+2,417+55.6%Added
VARCOV Co.6,754$460.1K0.17%+4,034+148.3%Added
Cynosure Management, LLC6,728$458.4K0.06%+6,728New
Sanibel Captiva Trust Company, Inc.6,700$456.5K0.01%00.0%Unchanged
Quantinno Capital Management LP6,606$450.1K0.00%+372+6.0%Added
Ameritas Investment Partners, Inc.6,439$438.7K0.01%00.0%Unchanged
Robeco Institutional Asset Management B.V.6,252$425.9K0.00%+432+7.4%Added
State of Wyoming6,153$419.2K0.05%+6,153New
Evolve Private Wealth, LLC6,122$417.1K0.02%+305+5.2%Added
PSP Research LLC6,000$408.8K0.29%−1,046−14.8%Reduced
Flax Pond Capital, LLC6,000$408.8K0.33%00.0%Unchanged
Ares Systematic Credit Ltd6,196$406.7K0.32%−3,316−34.9%Reduced
Ethic Inc.5,503$374.9K0.01%+1,206+28.1%Added
Janney Montgomery Scott LLC5,380$367.0K0.00%−303−5.3%Reduced
Juncture Wealth Strategies, LLC5,148$350.7K0.12%+475+10.2%Added
American Century Companies Inc5,003$340.9K0.00%+414+9.0%Added
Nadler Financial Group, Inc.4,939$336.5K0.03%00.0%Unchanged
RSM US Wealth Management LLC4,767$324.8K0.00%+583+13.9%Added
EntryPoint Capital, LLC4,650$316.8K0.09%+4,650New
Abel Hall, LLC4,562$310.8K0.07%+4,562New
Amundi4,500$306.6K0.00%+4,500New
M&T Bank Corp4,388$299.1K0.00%+127+3.0%Added
DnB Asset Management AS4,369$297.7K0.00%+4,369New
Mirae Asset Global Investments Co., Ltd.4,317$294.1K0.00%+416+10.7%Added
Cladis Investment Advisory, LLC4,200$286.1K0.16%00.0%Unchanged
CIBC Bancorp USA Inc.4,001$272.6K0.00%+4,001New
Sacks & Associates, LLC3,869$263.6K0.20%00.0%Unchanged
Royal Bank of Canada3,863$263.0K0.00%−2,378−38.1%Reduced
Dynamic Technology Lab Private Ltd3,830$260.9K0.04%+3,830New
Captrust Financial Advisors3,734$254.3K0.00%+260+7.5%Added
Stirlingshire Investments, Inc.3,718$253.3K0.22%+131+3.7%Added
Syon Capital LLC3,676$250.4K0.01%+21+0.6%Added
Hudson Bay Capital Management LP3,670$250.0K0.00%+3,670New
New Vernon Capital Holdings II LLC3,668$249.9K0.18%00.0%Unchanged
Sanctuary Advisors, LLC3,627$247.1K0.00%+3,627New
Allstate Corp3,583$244.1K0.00%+3,583New
Advyzon Investment Management, LLC3,533$240.7K0.02%−10−0.3%Reduced
Abacus Wealth Partners, LLC3,340$227.6K0.02%−360−9.7%Reduced
Envestnet Asset Management Inc3,299$224.8K0.00%+3,299New
denkapparat Operations GmbH3,290$224.1K0.09%−2,668−44.8%Reduced
GTS Securities LLC3,212$218.8K0.01%+3,212New
Summit Global Investments3,173$216.0K0.01%−13−0.4%Reduced
The PNC Financial Services Group, Inc.3,128$213.1K0.00%+244+8.5%Added
Pallas Capital Advisors LLC3,090$210.5K0.01%−184−5.6%Reduced
Gallacher Capital Management LLC3,019$205.7K0.08%+3,019New
Northwest & Ethical Investments L.P.2,800$192.9K0.00%+2,800New
Van Eck Associates Corp2,700$184.0K0.00%−162−5.7%Reduced
LSV Asset Management2,700$184.0K0.00%00.0%Unchanged
Essential Partners LLC2,369$161.4K0.05%00.0%Unchanged
KBC Group NV2,347$160.0K0.00%00.0%Unchanged
Sterling Capital Management LLC1,983$135.1K0.00%−3,298−62.5%Reduced
Bellevue Group AG1,935$131.8K0.00%−4,828−71.4%Reduced
GF Fund Management Co. Ltd.1,803$122.8K0.00%+226+14.3%Added
Smallwood Wealth Investment Management, LLC1,683$114.7K0.06%00.0%Unchanged
Eurizon Capital SGR S.p.A.1,580$104.2K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co1,453$99.0K0.00%00.0%Unchanged
IFP Advisors, Inc1,322$90.1K0.00%+65+5.2%Added
Covestor Ltd1,281$87.0K0.06%−1,174−47.8%Reduced
Quarry LP1,250$85.2K0.02%−2,615−67.7%Reduced
Pinnacle Wealth Planning Services, Inc.1,229$83.7K0.01%+675+121.8%Added
Nisa Investment Advisors, LLC1,140$77.7K0.00%+63+5.8%Added
EverSource Wealth Advisors, LLC1,045$71.2K0.00%+151+16.9%Added
US Bancorp1,037$70.7K0.00%−203−16.4%Reduced
Kemnay Advisory Services Inc.997$67.9K0.01%−860−46.3%Reduced
Salomon & Ludwin, LLC969$65.7K0.01%+440+83.2%Added
GAMMA Investing LLC919$62.6K0.00%−532−36.7%Reduced
Smartleaf Asset Management LLC938$61.6K0.00%+17+1.8%Added
Hantz Financial Services, Inc.706$48.0K0.00%+619+711.5%Added
Allworth Financial LP678$46.2K0.00%+44+6.9%Added
First Horizon Corp653$44.5K0.00%−41−5.9%Reduced
Farther Finance Advisors, LLC551$37.9K0.00%+200+57.0%Added
Advisor Group Holdings, Inc.502$34.2K0.00%+17+3.5%Added
Basecamp Wealth Advisors LLC483$32.9K0.01%00.0%Unchanged
Signaturefd, LLC400$27.3K0.00%+37+10.2%Added
SRS Capital Advisors, Inc.358$25.8K0.00%−50−12.3%Reduced
Quadrant Capital Group LLC275$18.7K0.00%+208+310.4%Added
E Fund Management (Hong Kong) Co., Ltd.229$15.6K0.01%+229New
True Wealth Design, LLC228$15.5K0.00%−1−0.4%Reduced
Umb Bank N A226$15.4K0.00%−113−33.3%Reduced
Private Wealth Asset Management, LLC200$13.6K0.00%00.0%Unchanged
Rothschild Investment LLC188$12.8K0.00%+12+6.8%Added
Bare Financial Services, Inc179$12.2K0.00%+158+752.4%Added
Advisory Services Network, LLC169$11.5K0.00%+169New
MAI Capital Management167$11.4K0.00%+167New
Root Financial Partners, LLC157$10.7K0.00%+23+17.2%Added