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JANUS HENDERSON GROUP PLC

Position in PTCT — Ptc Therapeutics, Inc.

CIK 1274173 LONDON, X0

Position in PTCT

as of Mar 31, 2026 · filed May 18, 2026
Position Value
$490,088,588
+$121,581,411 QoQ
Shares Held
7,193,433
+48.3% QoQ
Ownership
8.67%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 96.58509365417041.ToString("F0")% None 3.4149063458295923.ToString("F0")%

Common Shares in PTCT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

JANUS HENDERSON GROUP PLC holds $15,891,244,813 across 182 Biotechnology names. PTCT ranks #9 (3.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PTCT

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $490,088,588 7,193,433
2025-12-31 $368,507,177 4,851,332
2025-09-30 $231,583,130 3,773,556
2025-06-30 $155,067,732 3,175,015
2025-03-31 $148,636,509 2,916,729
2024-12-31 $104,991,802 2,325,915
2024-09-30 $69,385,050 1,870,217
2024-06-30 $91,176,073 2,981,559
2024-03-31 $106,754,946 3,669,816
2023-12-31 $72,003,061 2,612,593
2023-09-30 $68,850,690 3,072,320
2023-06-30 $146,279,821 3,596,750
2023-03-31 $154,828,964 3,196,304
2022-12-31 $77,376,008 2,027,142
2022-09-30 $104,308,771 2,077,864
2022-06-30 $85,555,180 2,135,676
2022-03-31 $100,064,448 2,681,974
2021-12-31 $155,392,642 3,901,397
2021-09-30 $133,032,708 3,575,187
2021-06-30 $148,110,444 3,503,914
2021-03-31 $145,323,779 3,069,140
2020-12-31 $182,871,573 2,996,421
2020-09-30 $94,367,820 2,018,563
2020-06-30 $92,184,990 1,816,811
2020-03-31 $78,948,859 1,769,757