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Driehaus Capital Management LLC

Position in PTCT — Ptc Therapeutics, Inc.

CIK 938206 Chicago, IL

Position in PTCT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$117,469,527
+$48,264,981 QoQ
Shares Held
1,440,107
+41.8% QoQ
Ownership
1.73%
of shares outstanding
% of Portfolio
0.68%
of 13F equity value
Holder Rank
#16
of 383 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 86% Shared 0% None 14%

Common Shares in PTCT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Driehaus Capital Management LLC holds $3,707,249,767 across 60 Biotechnology names. PTCT ranks #10 (3.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PTCT

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $117,469,527 1,440,107
2026-03-31 $69,204,546 1,015,772
2025-12-31 $86,304,840 1,136,188
2025-09-30 $69,455,436 1,131,749
2025-06-30 $51,722,829 1,059,026
2025-03-31 $77,084,389 1,512,645
2024-12-31 $46,993,403 1,041,059