Perceptive Advisors Llc

13F Holdings History for RHYTHM PHARMACEUTICALS, INC. - COM (RYTM)

Symbol: RYTM on Nasdaq
Investment type: Equity / COM
Latest Disclosed Ownership: 4.42M shares
Security Ownership: 6.8%

Shares, Excluding Options vs Price

Value, Excluding Options

Perceptive Advisors LLC ownership in RHYTHM PHARMACEUTICALS, INC. COM (RYTM)

2025-05-15 - Perceptive Advisors LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4.42M shares of RHYTHM PHARMACEUTICALS, INC. COM (RYTM). This represents 6.8% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Perceptive Advisors LLC	6.8%		$208M	4.42M			$46.95	13G/A	3/31/2025	15 May 2025 18:20:49

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
6/30/2025	5.73%	-0.31%	$153M	2.42M	-130,146	-5.11%	$63.19	Q2 2025
3/31/2025	4.79%	-2.13%	$135M	2.55M	-1,132,028	-30.8%	$52.97	Q1 2025
12/31/2024	5.74%	+0.19%	$206M	3.68M	+120,259	+3.38%	$55.98	Q4 2024
9/30/2024	4%	+0.13%	$187M	3.56M	+113,635	+3.3%	$52.39	Q3 2024
6/30/2024	3.42%	+0.13%	$142M	3.45M	+178,000	+5.45%	$41.06	Q2 2024
3/31/2024	2.5%	+1.08%	$142M	3.27M	+1,114,469	+51.7%	$43.33	Q1 2024
12/31/2023	2.21%	+2.73%	$99M	2.15M	+1,773,282	+466%	$45.97	Q4 2023
9/30/2023	0.29%	+0.29%	$8.73M	381K	+380,828	NEW	$22.93	Q3 2023
6/30/2020		-0.07%	$0	0	-170,859	-100%		Q2 2020
3/31/2020	0.07%		$2.6M	171K			$15.22	Q1 2020
12/31/2019	0.08%	+0.08%	$3.92M	171K	+170,859	NEW	$22.95	Q4 2019
9/30/2019		-0.13%	$0	0	-262,970	-100%		Q3 2019
6/30/2019	0.13%	-0.12%	$5.79M	263K	-240,000	-47.7%	$22.00	Q2 2019
3/31/2019	0.39%	0%	$13.8M	503K	-6,216	-1.22%	$27.41	Q1 2019
12/31/2018	0.52%	-0.16%	$13.8M	509K	-155,000	-23.3%	$27.03	Q4 2018
9/30/2018	0.52%	-0.11%	$19.4M	664K	-136,500	-17%	$29.17	Q3 2018
6/30/2018	0.66%	+0.17%	$25M	801K	+208,400	+35.2%	$31.26	Q2 2018
3/31/2018	0.33%	-0.09%	$11.8M	592K	-152,849	-20.5%	$19.90	Q1 2018
12/31/2017	0.72%	+0.72%	$21.7M	745K	+745,135	NEW	$29.06	Q4 2017

* 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.