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Rhythm Pharmaceuticals, Inc.

RYTM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001649904

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.

13F holders, Q2 2024

Institutional positions in Rhythm Pharmaceuticals, Inc. as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
165
0 vs. Q1 2024
Shares held
69.3M
+1.31M (+1.9%) vs. Q1 2024
Total value
$2.85B
−$98.1M (−3.3%) vs. Q1 2024
New holders
24
63 more added
Sold out
24
54 more reduced

2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RYTM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2024: 165 institutions
Q1 2021: 124 institutionsQ2 2021: 105 institutionsQ3 2021: 97 institutionsQ4 2021: 98 institutionsQ1 2022: 111 institutionsQ2 2022: 90 institutionsQ3 2022: 101 institutionsQ4 2022: 115 institutionsQ1 2023: 126 institutionsQ2 2023: 116 institutionsQ3 2023: 144 institutionsQ4 2023: 169 institutionsQ1 2024: 167 institutionsQ2 2024: 165 institutionsQ3 2024: 176 institutionsQ4 2024: 203 institutionsQ1 2025: 228 institutionsQ2 2025: 227 institutionsQ3 2025: 264 institutionsQ4 2025: 281 institutionsQ1 2026: 285 institutionsQ2 2026: 305 institutions
Value heldQ2 2024: $2.85B
Q1 2021: $1.01BQ2 2021: $905.6MQ3 2021: $626.3MQ4 2021: $483.6MQ1 2022: $562.7MQ2 2022: $190.8MQ3 2022: $1.45BQ4 2022: $1.81BQ1 2023: $1.08BQ2 2023: $1.09BQ3 2023: $1.56BQ4 2023: $3.07BQ1 2024: $2.95BQ2 2024: $2.85BQ3 2024: $3.55BQ4 2024: $3.63BQ1 2025: $3.44BQ2 2025: $4.20BQ3 2025: $7.20BQ4 2025: $7.80BQ1 2026: $6.42BQ2 2026: $8.55B
Institutions holding RYTM and their total value by quarter
QuarterHoldersValue
Q2 2026305$8.55B
Q1 2026285$6.42B
Q4 2025281$7.80B
Q3 2025264$7.20B
Q2 2025227$4.20B
Q1 2025228$3.44B
Q4 2024203$3.63B
Q3 2024176$3.55B
Q2 2024165$2.85B
Q1 2024167$2.95B
Q4 2023169$3.07B
Q3 2023144$1.56B
Q2 2023116$1.09B
Q1 2023126$1.08B
Q4 2022115$1.81B
Q3 2022101$1.45B
Q2 202290$190.8M
Q1 2022111$562.7M
Q4 202198$483.6M
Q3 202197$626.3M
Q2 2021105$905.6M
Q1 2021124$1.01B

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q1 2024.

Institutions holding RYTM in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bellevue Group AG13,000$533.8K0.01%+500+4.0%Added
ADAR1 Capital Management, LLC13,000$533.8K0.11%+600+4.8%Added
Arizona State Retirement System12,627$518.5K0.00%−366−2.8%Reduced
Gotham Asset Management, LLC12,627$518.5K0.01%+1,524+13.7%Added
Exchange Traded Concepts, LLC11,920$489.4K0.01%+11,920New
Great West Life Assurance Co11,578$475.0K0.00%+6,782+141.4%Added
PDT Partners, LLC11,510$472.6K0.04%+11,510New
Kennedy Capital Management, Inc.11,154$458.0K0.01%+11,154New
Schonfeld Strategic Advisors LLC10,921$448.4K0.00%+10,921New
ProShare Advisors LLC10,916$448.2K0.00%−2,892−20.9%Reduced
Tower Research Capital LLC (TRC)9,925$407.5K0.01%+9,386+1,741.4%Added
Teacher Retirement System of Texas9,913$407.0K0.00%−608−5.8%Reduced
Principal Financial Group Inc9,532$391.4K0.00%+2,352+32.8%Added
Connor, Clark & Lunn Investment Management Ltd.9,340$383.5K0.00%−335−3.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)9,109$374.0K0.00%−9−0.1%Reduced
Toroso Investments, LLC9,011$370.0K0.01%+9,011New
Two Sigma Advisers, LP8,900$365.4K0.00%+8,900New
Omers Administration Corp7,800$320.3K0.00%−1,200−13.3%Reduced
Virtus ETF Advisers LLC7,423$304.8K0.15%−1,451−16.4%Reduced
SEI Investments Co7,370$302.7K0.00%−4,100−35.7%Reduced
China Universal Asset Management Co., Ltd.7,163$294.1K0.04%−4,398−38.0%Reduced
Victory Capital Management Inc7,049$289.4K0.00%−8,036−53.3%Reduced
LPL Financial LLC6,878$282.4K0.00%+71+1.0%Added
STRS Ohio6,200$254.6K0.00%−7,400−54.4%Reduced
JGP Global Gestao de Recursos Ltda.5,814$238.7K0.30%−100,000−94.5%Reduced
Jasper Ridge Partners, L.P.5,639$231.5K0.01%00.0%Unchanged
Chicago Partners Investment Group LLC4,797$228.6K0.01%−648−11.9%Reduced
Public Employees Retirement Association of Colorado5,463$224.0K0.00%−786−12.6%Reduced
Royal Bank of Canada5,449$223.0K0.00%+4,005+277.4%Added
Ameritas Investment Partners, Inc.5,318$218.4K0.01%00.0%Unchanged
Group One Trading, L.P.4,991$204.9K0.01%+716+16.7%Added
Texas Treasury Safekeeping Trust Co4,230$174.0K0.01%00.0%Unchanged
BNP Paribas Arbitrage, SA3,543$145.5K0.00%−52,466−93.7%Reduced
Russell Investments Group, Ltd.2,010$82.5K0.00%+1,625+422.1%Added
Whittier Trust Co2,000$82.1K0.00%00.0%Unchanged
ZRC Wealth Management, LLC1,971$80.9K0.04%00.0%Unchanged
Amalgamated Bank1,875$77.0K0.00%+60+3.3%Added
Mirae Asset Global Investments Co., Ltd.1,820$73.0K0.00%+1,820New
Quest Partners LLC1,662$68.2K0.01%+1,391+513.3%Added
Allianz SE1,350$55.4K0.00%−7,730−85.1%Reduced
KBC Group NV1,263$52.0K0.00%00.0%Unchanged
ORG Partners LLC1,206$51.5K0.01%+1,206New
Advisor Group Holdings, Inc.1,160$47.6K0.00%+432+59.3%Added
Tucker Asset Management LLC1,000$41.1K0.01%−400−28.6%Reduced
CWM, LLC657$27.0K0.00%+253+62.6%Added
Pacer Advisors, Inc.413$17.0K0.00%−605−59.4%Reduced
Allspring Global Investments Holdings, LLC379$15.6K0.00%+359+1,795.0%Added
Jones Financial Companies LLLP231$9.48K0.00%+231New
Daiwa Securities Group Inc.227$9.00K0.00%00.0%Unchanged
Signaturefd, LLC213$8.75K0.00%00.0%Unchanged
US Bancorp141$5.79K0.00%+79+127.4%Added
Lindbrook Capital, LLC126$5.17K0.00%+29+29.9%Added
The PNC Financial Services Group, Inc.92$3.78K0.00%−9−8.9%Reduced
GAMMA Investing LLC82$3.37K0.00%+54+192.9%Added
Mather Group, LLC.65$2.82K0.00%+65New
SRS Capital Advisors, Inc.54$2.22K0.00%+54New
Private Trust Co NA48$1.97K0.00%−4−7.7%Reduced
Global Retirement Partners, LLC35$1.44K0.00%00.0%Unchanged
Smartleaf Asset Management LLC13$5210.00%+13New
CVA Family Office, LLC12$4930.00%+12New
Farther Finance Advisors, LLC9$3840.00%00.0%Unchanged
Innealta Capital, LLC7$2870.00%+7New
Rothschild Investment LLC5$2050.00%00.0%Unchanged
Parallel Advisors, LLC5$2050.00%00.0%Unchanged
Covestor Ltd3$00.00%00.0%Unchanged
Jefferies Financial Group Inc.0$00.00%−68,566−100.0%Sold out
Altium Capital Management LP0$00.00%−57,271−100.0%Sold out
Exome Asset Management LLC0$00.00%−45,603−100.0%Sold out
Alps Advisors Inc0$00.00%−42,419−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−26,436−100.0%Sold out
American International Group, Inc.0$00.00%−26,318−100.0%Sold out
Twinbeech Capital LP0$00.00%−22,714−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−16,331−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−15,355−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−13,355−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−10,706−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−10,462−100.0%Sold out
E Fund Management Co., Ltd.0$00.00%−10,333−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−8,600−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−7,400−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−6,738−100.0%Sold out
Aigen Investment Management, LP0$00.00%−6,479−100.0%Sold out
Citadel Advisors LLC0$00.00%−4,098−100.0%Sold out
Quantbot Technologies LP0$00.00%−3,600−100.0%Sold out
Metropolitan Life Insurance Co0$00.00%−2,812−100.0%Sold out
Lazard Asset Management LLC0$00.00%−1,733−100.0%Sold out
Fernwood Investment Management, LLC0$00.00%−1,554−100.0%Sold out
Truvestments Capital LLC0$00.00%−216−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−10−100.0%Sold out
Credit Suisse AG––––Not filed
Cutler Group LP––––Not filed