Camber Capital Management LP

13F Holdings History for PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share (PTCT)

Symbol: PTCT on Nasdaq
Investment type: Equity / Common Stock, $0.001 par value per share
Latest Disclosed Ownership: 3.2M shares
Security Ownership: 4.15%

Shares, Excluding Options vs Price

Value, Excluding Options

Camber Capital Management LP ownership in PTC THERAPEUTICS, INC. Common Stock, $0.001 par value per share (PTCT)

2025-02-14 - Camber Capital Management LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 3.2M shares of PTC THERAPEUTICS, INC. Common Stock, $0.001 par value per share (PTCT). This represents 4.15% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Camber Capital Management LP	4.15%		$137M	3.2M			$42.75	13G/A	12/31/2024	14 Feb 2025 08:35:58

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
6/30/2025		-4.77%	$0	0	-1,500,000	-100%		Q2 2025
3/31/2025	4.77%	-5.41%	$76.4M	1.5M	-1,700,000		$50.96	Q1 2025
12/31/2024	5.65%	-0.53%	$144M	3.2M	-300,000	-8.57%	$45.14	Q4 2024
9/30/2024	5.04%		$130M	3.5M			$37.10	Q3 2024
6/30/2024	4.13%	-0.54%	$107M	3.5M	-500,000	-12.5%	$30.58	Q2 2024
3/31/2024	4.07%		$116M	4M			$29.09	Q1 2024
12/31/2023	3.85%	+0.55%	$110M	4M	+600,000	+17.6%	$27.56	Q4 2023
9/30/2023	2.51%	+0.66%	$76.2M	3.4M	+900,000	+36%	$22.41	Q3 2023
6/30/2023	3.31%		$102M	2.5M			$40.67	Q2 2023
3/31/2023	3.72%	-0.37%	$121M	2.5M	-250,000	-9.09%	$48.44	Q1 2023
12/31/2022	3.6%	+0.39%	$105M	2.75M	+300,000	+12.2%	$38.17	Q4 2022
9/30/2022	3.77%		$123M	2.45M			$50.20	Q3 2022
6/30/2022	4.26%	+1.22%	$98.1M	2.45M	+700,000	+40%	$40.06	Q2 2022
3/31/2022	2.36%	+1.35%	$65.3M	1.75M	+1,000,000	+133%	$37.31	Q1 2022
12/31/2021	1.03%		$29.9M	750K			$39.83	Q4 2021
9/30/2021	1.04%	+0.94%	$27.9M	750K	+750,000	NEW	$37.21	Q3 2021
9/30/2017		-0.45%	$0	0	-500,000	-100%		Q3 2017
6/30/2017	0.45%	-0.67%	$9.17M	500K	-750,000	-60%	$18.33	Q2 2017
3/31/2017	0.5%	+0.5%	$12.3M	1.25M	+1,250,000	NEW	$9.84	Q1 2017
12/31/2016		-1.24%	$0	0	-2,000,000	-100%		Q4 2016
9/30/2016	1.23%	+0.31%	$28M	2M	+500,000	+33.3%	$14.01	Q3 2016
6/30/2016	0.51%	+0.21%	$10.5M	1.5M	+606,100	+67.8%	$7.02	Q2 2016
3/31/2016	0.34%	+0.15%	$5.76M	894K	+393,900	+78.8%	$6.44	Q1 2016
12/31/2015	1.05%	+1.05%	$16.2M	500K	+500,000	NEW	$32.40	Q4 2015
3/31/2015		-1.81%	$0	0	-525,000	-100%		Q1 2015
12/31/2014	1.81%	+1.26%	$27.2M	525K	+366,851	+232%	$51.77	Q4 2014
9/30/2014	0.65%	+0.65%	$6.96M	158K	+158,149	NEW	$44.01	Q3 2014

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.