BAKER BROS. ADVISORS LP

Holdings History for RHYTHM PHARMACEUTICALS, INC. - Common Stock, $0.001 par value per share (RYTM)

Symbol: RYTM on Nasdaq
Investment type: Equity / Common Stock, $0.001 par value per share
Latest Disclosed Shares Owned: 5,604,483 shares
Security Ownership %: 8.9%

Shares, Excluding Options vs Price

Value, Excluding Options

Baker Bros. Advisors LP ownership in RHYTHM PHARMACEUTICALS, INC. Common Stock, $0.001 par value per share (RYTM)

15 May 2025 - Baker Bros. Advisors LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 5,604,483 shares of RHYTHM PHARMACEUTICALS, INC. Common Stock, $0.001 par value per share (RYTM). This represents 8.9% ownership of the company. This is the first filing by BAKER BROS. ADVISORS LP disclosing ownership of RHYTHM PHARMACEUTICALS, INC. Common Stock, $0.001 par value per share (RYTM).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Baker Bros. Advisors LP	8.9%		$360,984,750	5,604,483			$64.41	13G/A	31 Mar 2025	15 May 2025, 16:19

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	3.5%	0%	$599,903,860	5,604,483	0		$107.04	Q4 2025
30 Sep 2025	4.1%	0%	$565,996,738	5,604,483	0		$100.99	Q3 2025
30 Jun 2025	3.4%	0%	$354,147,281	5,604,483	0		$63.19	Q2 2025
31 Mar 2025	3.3%	-0.28%	$296,869,465	5,604,483	-479,766		$52.97	Q1 2025
31 Dec 2024	3.6%	-0.19%	$340,596,259	6,084,249	-314,117	-4.9%	$55.98	Q4 2024
30 Sep 2024	3.5%	+0%	$335,210,395	6,398,366	+1	+0%	$52.39	Q3 2024
30 Jun 2024	3.4%	0%	$262,716,867	6,398,365	0		$41.06	Q2 2024
31 Mar 2024	3.5%	0%	$277,241,155	6,398,365	0		$43.33	Q1 2024
31 Dec 2023	3.3%	-0.16%	$294,132,839	6,398,365	-303,984	-4.5%	$45.97	Q4 2023
30 Sep 2023	0.89%	+0.03%	$153,651,351	6,702,349	+204,082	+3.1%	$22.93	Q3 2023
30 Jun 2023	0.62%	0%	$107,156,423	6,498,267	0		$16.49	Q2 2023
31 Mar 2023	0.63%	+0.01%	$115,929,083	6,498,267	+143,659	+2.3%	$17.84	Q1 2023
31 Dec 2022	1.1%	+0.05%	$185,046,185	6,354,608	+291,906	+4.8%	$29.12	Q4 2022
30 Sep 2022	0.97%	+0.31%	$148,536,000	6,062,702	+1,937,640	+47%	$24.50	Q3 2022
30 Jun 2022	0.1%	0%	$17,119,000	4,125,062	0		$4.15	Q2 2022
31 Mar 2022	0.27%	+0.02%	$47,521,000	4,125,062	+261,823	+6.8%	$11.52	Q1 2022
31 Dec 2021	0.19%	0%	$38,555,000	3,863,239	0		$9.98	Q4 2021
30 Sep 2021	0.22%	0%	$50,454,000	3,863,239	0		$13.06	Q3 2021
30 Jun 2021	0.33%	+0.03%	$75,642,000	3,863,239	+383,366	+11%	$19.58	Q2 2021
31 Mar 2021	0.32%	+0.11%	$74,017,000	3,479,873	+1,165,000	+50%	$21.27	Q1 2021
31 Dec 2020	0.26%	-0.02%	$68,821,000	2,314,873	-156,282	-6.3%	$29.73	Q4 2020
30 Sep 2020	0.21%	-0.02%	$53,550,000	2,471,155	-228,900	-8.5%	$21.67	Q3 2020
30 Jun 2020	0.27%	-0%	$60,211,000	2,700,055	-8,145	-0.3%	$22.30	Q2 2020
31 Mar 2020	0.25%	0%	$41,219,000	2,708,200	0		$15.22	Q1 2020
31 Dec 2019	0.33%	0%	$62,180,000	2,708,200	0		$22.96	Q4 2019
30 Sep 2019	0.4%	0%	$58,470,000	2,708,200	0		$21.59	Q3 2019
30 Jun 2019	0.4%	0%	$59,580,000	2,708,200	0		$22.00	Q2 2019
31 Mar 2019	0.48%	0%	$74,232,000	2,708,200	0		$27.41	Q1 2019
31 Dec 2018	0.6%	0%	$72,796,000	2,708,200	0		$26.88	Q4 2018
30 Sep 2018	0.52%	0%	$78,998,000	2,708,200	0		$29.17	Q3 2018
30 Jun 2018	0.64%	+0.15%	$84,658,000	2,708,200	+659,180	+32%	$31.26	Q2 2018
31 Mar 2018	0.35%	0%	$40,775,000	2,049,020	0		$19.90	Q1 2018
31 Dec 2017	0.52%	+0.52%	$59,545,000	2,049,020	+2,049,020	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.