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D. E. Shaw & Co., Inc.

Position in PTCT — Ptc Therapeutics, Inc.

CIK 1009207 New York, NY

Position in PTCT

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$111,759,157
-$20,790,359 QoQ
Shares Held
1,640,381
-6.0% QoQ
Ownership
19.8%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 96.40327460510699.ToString("F0")% Shared 0.ToString("F0")% None 3.5967253948930153.ToString("F0")%

Common Shares in PTCT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

D. E. Shaw & Co., Inc. holds $4,382,181,531 across 180 Biotechnology names. PTCT ranks #7 (2.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 PTCT
Ptc Therapeutics, Inc.
This page
1,640,381 $111,759,157

All Filings in PTCT

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $111,759,157 1,640,381
2025-12-31 $132,549,516 1,744,991
2025-09-30 $133,455,692 2,174,608
2025-06-30 $119,057,120 2,437,697
2025-03-31 $73,651,417 1,445,279
2024-12-31 $69,619,060 1,542,292
2024-09-30 $52,664,896 1,419,539
2024-06-30 $41,516,569 1,357,638
2024-03-31 $35,657,008 1,225,748
2023-12-31 $37,122,410 1,346,967
2023-09-30 $18,842,528 840,809
2023-06-30 $29,810,621 732,988
2023-03-31 $34,175,291 705,518
2022-12-31 $36,066,030 944,879
2022-09-30 $52,910,046 1,053,985
2022-06-30 $38,168,646 952,787
2022-03-31 $38,705,020 1,037,390
2021-12-31 $47,596,053 1,194,980
2021-09-30 $44,634,622 1,199,533
2021-06-30 $51,149,193 1,210,059
2021-03-31 $55,354,753 1,169,055
2020-12-31 $59,421,431 973,643
2020-09-30 $41,115,268 879,471
2020-06-30 $45,390,328 894,567
2020-03-31 $44,430,221 995,970