Rhythm Pharmaceuticals, Inc.

RYTM

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001649904

SEC filings (opens in a new tab)

In the last 90 days, Rhythm Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 6 sales; 305 institutions reported holding it in 13F filings for Q2 2026, worth $8.55B in total; Duquesne Family Office is the only superinvestor holding it.

Q2 2024 vs. Q1 2024

How the institutions holding Rhythm Pharmaceuticals, Inc. changed between Q1 2024 and Q2 2024.

All holders in Q2 2024 All holders in Q1 2024

13F holders of RYTM: Q1 2024 compared with Q2 2024
Measure	Q1 2024	Of which not filed for Q2 2024	Q2 2024	Change
Holders	167	2	165	0
Shares	68.0M	44.3K	69.3M	+1.31M (+1.9%)
Value	$2.95B	$1.92M	$2.85B	−$98.1M (−3.3%)

2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q2 2024 but not at the end of Q1 2024.

Institutions new to RYTM in Q2 2024
Institution	Shares	Value	% of portfolio
Alkeon Capital Management LLC	1,000,000	$41.1M	0.21%
Candriam Luxembourg S.C.A.	271,398	$11.1M	0.07%
Standard Life Aberdeen plc	112,804	$4.63M	0.01%
First Trust Advisors LP	91,010	$3.74M	0.00%
Caption Management, LLC	44,984	$1.85M	0.20%
Mirae Asset Global ETFs Holdings Ltd.	30,391	$1.25M	0.00%
Corebridge Financial, Inc.	29,454	$1.21M	0.01%
GTS Securities LLC	23,136	$950.0K	0.02%
Quantinno Capital Management LP	18,120	$744.0K	0.01%
State Board of Administration of Florida Retirement System	14,670	$602.4K	0.00%
Exchange Traded Concepts, LLC	11,920	$489.4K	0.01%
PDT Partners, LLC	11,510	$472.6K	0.04%
Kennedy Capital Management, Inc.	11,154	$458.0K	0.01%
Schonfeld Strategic Advisors LLC	10,921	$448.4K	0.00%
Toroso Investments, LLC	9,011	$370.0K	0.01%
Two Sigma Advisers, LP	8,900	$365.4K	0.00%
Mirae Asset Global Investments Co., Ltd.	1,820	$73.0K	0.00%
ORG Partners LLC	1,206	$51.5K	0.01%
Jones Financial Companies LLLP	231	$9.48K	0.00%
Mather Group, LLC.	65	$2.82K	0.00%
SRS Capital Advisors, Inc.	54	$2.22K	0.00%
Smartleaf Asset Management LLC	13	$521	0.00%
CVA Family Office, LLC	12	$493	0.00%
Innealta Capital, LLC	7	$287	0.00%

Sold out (24)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q1 2024 and filed for Q2 2024 without it.

Institutions that sold out of RYTM in Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
Jefferies Financial Group Inc.	68,566	$2.97M
Altium Capital Management LP	57,271	$2.48M
Exome Asset Management LLC	45,603	$1.98M
Alps Advisors Inc	42,419	$1.84M
Graham Capital Management, L.P.	26,436	$1.15M
American International Group, Inc.	26,318	$1.14M
Twinbeech Capital LP	22,714	$984.2K
Campbell & CO Investment Adviser LLC	16,331	$707.6K
Bayesian Capital Management, LP	15,355	$665.3K
Tudor Investment Corp Et Al	13,355	$578.7K
Prelude Capital Management, LLC	10,706	$463.9K
D. E. Shaw & Co., Inc.	10,462	$453.3K
E Fund Management Co., Ltd.	10,333	$447.7K
Aquatic Capital Management LLC	8,600	$372.6K
Allianz Asset Management GmbH	7,400	$320.6K
Capstone Investment Advisors, LLC	6,738	$292.0K
Aigen Investment Management, LP	6,479	$280.7K
Citadel Advisors LLC	4,098	$177.6K
Quantbot Technologies LP	3,600	$156.0K
Metropolitan Life Insurance Co	2,812	$121.8K
Lazard Asset Management LLC	1,733	$75.0K
Fernwood Investment Management, LLC	1,554	$67.3K
Truvestments Capital LLC	216	$9.36K
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	10	$433

Not filed for Q2 2024 yet (2)

Institutions that held Rhythm Pharmaceuticals, Inc. at the end of Q1 2024 and haven't filed a 13F for Q2 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RYTM in Q1 2024 that haven't filed for Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
Credit Suisse AG	43,164	$1.87M
Cutler Group LP	1,100	$47.0K