Form 13-F position report

PTC THERAPEUTICS INC

Reported by Blackstone Inc

PTCT CUSIP 69366J200 Manager CIK 0001393818

Reported 1,095,290 shares, unchanged from the prior quarter.

Reported value -44.9%; share count 0.0% vs. the prior quarter.

Unchanged
% of reported 13F value 0.1% This manager · Q3 2023
Shares 1,095,290 Quarter-end amount reported
Reported value $24,545,448 Fair value at quarter end
Consecutive quarters held 4 Through Q3 2023

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2022-12-31 41807220
2023-03-31 53055848
2023-06-30 44545444
2023-09-30 24545448
2023-12-31 30186192
2024-03-31 31861986
2024-06-30 33493968
2024-09-30 40635260
2024-12-31 47829170
2025-03-31 0
2026-03-31 706304
2026-06-30 682170

Quarterly position history

How this manager's reported quarter-end position changed over time.

12 quarters
Quarterly reported position history for PTC THERAPEUTICS INC held by Blackstone Inc.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2026 Reduced 8,363 -2,004 (-19.3%) < 0.01% $682,170 2026-08-14
Q1 2026 New 10,367 +10,367 (0.0%) < 0.01% $706,304 2026-05-15
Q1 2025 Reduced 0 -1,059,574 (-100.0%) 0 $0 2025-05-15
Q4 2024 Reduced 1,059,574 -35,716 (-3.3%) 0.22% $47,829,170 2025-02-14
Q3 2024 Unchanged 1,095,290 0 (0.0%) 0.18% $40,635,260 2024-11-14
Q2 2024 Unchanged 1,095,290 0 (0.0%) 0.14% $33,493,968 2024-08-14
Q1 2024 Unchanged 1,095,290 0 (0.0%) 0.13% $31,861,986 2024-05-15
Q4 2023 Unchanged 1,095,290 0 (0.0%) 0.14% $30,186,192 2024-02-14
Q3 2023 Unchanged 1,095,290 0 (0.0%) 0.1% $24,545,448 2023-11-14
Q2 2023 Unchanged 1,095,290 0 (0.0%) 0.19% $44,545,444 2023-08-14
Q1 2023 Unchanged 1,095,290 0 (0.0%) 0.22% $53,055,848 2023-05-15
Q4 2022 New 1,095,290 +1,095,290 (0.0%) 0.16% $41,807,220 2023-02-14

Who else reported the position

227 managers reported PTC THERAPEUTICS INC for Q3 2023.

Managers reporting PTC THERAPEUTICS INC in Q3 2023.
Manager Activity Shares Change % of reported 13F Reported value Tenure
WELLINGTON MANAGEMENT GROUP LLP Added 9,436,188 +2,649,824 0.04% $211,464,973 41 qtrs
FMR LLC Reduced 8,465,384 -1,787,740 0.02% $189,709,255 41 qtrs
VANGUARD GROUP INC Added 7,945,489 +393,012 < 0.01% $178,058,408 41 qtrs
RTW INVESTMENTS LP Unchanged 7,235,196 0 3.42% $162,140,742 28 qtrs
BlackRock Inc Added 6,934,449 +68,106 < 0.01% $155,401,002 41 qtrs
ARMISTICE CAPITAL LLC Added 6,150,000 +2,914,000 2.11% $137,821,500 20 qtrs
Camber Capital Management LP Added 3,400,000 +900,000 2.51% $76,194,000 9 qtrs
STATE STREET CORPORATION Reduced 3,168,860 -1,624 < 0.01% $71,014,153 41 qtrs
JANUS HENDERSON GROUP PLC Reduced 3,072,320 -524,430 0.05% $68,847,799 19 qtrs
FRANKLIN RESOURCES INC Reduced 2,057,233 -1,254,671 0.02% $46,102,599 21 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
September 30, 2023
Filed
November 14, 2023
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
0
Shared
1,095,290
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.