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Equibles

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in PTCT — Ptc Therapeutics, Inc.

CIK 1164508 BOSTON, MA
Back to PTCT Full portfolio

Position in PTCT

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$53,377,939
+$45,772,451 QoQ
Shares Held
654,382
+486.2% QoQ
Ownership
0.784%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#36
of 383 holders
Holding Since
Jun 2020
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PTCT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $2,515,799,583 across 71 Biotechnology names. PTCT ranks #11 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 VRTX
Vertex Pharmaceuticals Inc / Ma
 738,378 $366,774,503
2 INCY
Incyte Corp
 2,744,958 $311,168,438
3 REGN
Regeneron Pharmaceuticals, Inc.
 393,685 $245,478,344
4 EXEL
Exelixis, Inc.
 4,365,926 $237,550,033
5 GMAB
Genmab A/S
 4,975,324 $136,672,150
6 RPRX
Royalty Pharma plc
 2,435,341 $136,549,569
7 HALO
Halozyme Therapeutics, Inc.
 1,704,623 $133,420,842
8 ONC
BeOne Medicines Ltd.
 249,758 $71,173,537

All Filings in PTCT

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $53,377,939 654,382
2026-03-31 $7,605,488 111,632
2025-12-31 $30,870,903 406,410
2025-09-30 $19,856,140 323,548
2025-06-30 $1,660,560 34,000
2020-12-31 $1,078,888 17,678
2020-06-30 $4,180,976 82,400