Rhythm Pharmaceuticals Inc

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Rhythm Pharmaceuticals Inc
TickerRYTM
CIK #0001649904
CUSIP76243J105
SectorLife Sciences - Pharmaceutical Preparations
Address500 Boylston Street 11th Floor, Boston, MA 02116
Source [EDGAR]
CIK Filing 2011 - 2024
[0001649904] 10-K
[0001649904] 10-Q
[0001649904] 3
[0001649904] 4
[0001649904] 5
[0001649904] 8-K
[0001649904] D
[0001649904] SC 13D
[0001649904] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc Rhythm Pharmaceuticals Inc [2023-02-03] 6.6
State Street Corp Rhythm Pharmaceuticals Inc [2023-02-03] 5.64
BlackRock Inc Rhythm Pharmaceuticals Inc [2022-07-08] 2.3
Goldman Sachs Group Inc Rhythm Pharmaceuticals Inc [2022-01-24] 6.1
Federated Hermes Inc Rhythm Pharmaceuticals Inc [2021-02-12] 5.92
BlackRock Inc Rhythm Pharmaceuticals Inc [2020-02-07] 5.8
Wellington Management Group LLP Rhythm Pharmaceuticals Inc [2020-01-28] 7.56
Flynn James E Rhythm Pharmaceuticals Inc [2019-08-19] 4.22
RA Capital Management LLC Rhythm Pharmaceuticals Inc [2019-02-14] 5.7
Janus Henderson Group PLC Rhythm Pharmaceuticals Inc [2019-02-12] 0.5
Baker Bros Advisors LP Rhythm Pharmaceuticals Inc [2018-02-13] 7.5
Third Rock Ventures LP Rhythm Pharmaceuticals Inc [2018-02-13] 14.6
MPM BioVentures V LP Rhythm Pharmaceuticals Inc [2017-10-24] 0.5
OrbiMed Advisors LLC Rhythm Pharmaceuticals Inc [2017-10-20] 10.7
Pfizer Inc Rhythm Pharmaceuticals Inc [2017-10-18] 9.0
New Enterprise Associates 13 LP Rhythm Pharmaceuticals Inc [2017-10-13] 18.8
Flynn James E Rhythm Pharmaceuticals Inc [2017-10-10] 1.8
Form 3/4/5 Filer 2011 - 2024
Mazabraud Yann
Rhythm Pharmaceuticals Inc
Roberts William T.
Mathers Edward T
Smith Hunter C
Chien Jennifer
Shulman Joseph
Cramer Pamela J.
Meeker David P
Bedrosian Camille L
Jean Christophe
McGirr David W J
Tetrault Lynn A
Good Jennifer L
Arbuckle Stuart A
Manning Linda Shapiro
Foley Todd
Stewart Murray
Kelner Simon
RA Capital Healthcare Fund LP
RA Capital Management LP
Shah Rajeev M.
Kolchinsky Peter
Desikan Nithya
Gottesdiener Keith Michael
Van der Ploeg Leonardus H.T.
Starr Kevin P
Tepper Robert I
TRV GP LLC
Levin Mark J
Third Rock Ventures GP, L.P.
Third Rock Ventures LP
Exter Neil
OrbiMed Advisors LLC
OrbiMed Capital GP V LLC
Fiedorek Fred T.
MPM BioVentures V LP
Evnin Luke
Gadicke Ansbert
MPM BioVentures V LLC
MPM BioVentures V GP LLC
MPM Asset Management Investors BV5 LLC
Sandell Scott D
Flynn James E
Deerfield Mgmt L.P.
Deerfield Management Company LP Series C
Deerfield Mgmt III, L.P.
Deerfield Special Situations Fund, L.P.
Deerfield Private Design Fund III, L.P.
NEA 13 GP, Ltd
New Enterprise Associates 13 LP
NEA Partners 13, Limited Partnership
Barrett M James
Barris Peter J
Baskett Forest
Kerins Patrick J
Mott David M
Viswanathan Ravi
Pfizer Inc
Ipsen, S.A.
Isaly Samuel D
Silverstein Jonathan
Hadley Harbor Master Investors (Cayman) L.P.
Baker Julian
Baker Bros Advisors LP
Baker Felix
Baker Bros. Advisors (GP) LLC
Form 13F Holdings
Firm Period DFND Voting Shares
PRIMECAP Management Co/CA/ [2023-03-31] SOLE 7,607,311.0 7,607,311.0
Baker Bros Advisors LP [2023-03-31] SOLE 6,498,267.0 6,498,267.0
RA Capital Management LP [2023-03-31] SOLE 0.0 5,516,067.0
Goldman Sachs Group Inc [2023-03-31] DFND 5,310,703.0 5,310,703.0
Federated Hermes Inc [2023-03-31] DFND 3,891,683.0 3,891,683.0
BlackRock Inc. [2023-03-31] SOLE 3,744,990.0 3,780,599.0
NEA Management Company LLC [2023-03-31] DFND 2,909,956.0 2,909,956.0
State Street Corp [2023-03-31] DFND 2,565,940.0 2,612,188.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 2,600,227.0
Frazier Life Sciences Management LP [2023-03-31] SOLE 2,164,739.0 2,164,739.0
Polar Capital Holdings Plc [2023-03-31] DFND 1,750,000.0 1,750,000.0
Alkeon Capital Management LLC [2023-03-31] SOLE 1,689,842.0 1,689,842.0
Rock Springs Capital Management LP [2023-03-31] SOLE 1,597,123.0 1,597,123.0
Janus Henderson Group PLC [2023-03-31] DFND 0.0 1,097,573.0
Susquehanna International Group LLP [2023-03-31] DFND 784,555.0 938,155.0
Opaleye Management Inc [2023-03-31] SOLE 735,000.0 735,000.0
FMR LLC [2023-03-31] DFND 697,048.0 698,824.0
Assenagon Asset Management S.A. [2023-03-31] SOLE 664,026.0 664,026.0
Millennium Management LLC [2023-03-31] SOLE 546,906.0 626,906.0
Geode Capital Management LLC [2023-03-31] DFND 472,761.0 472,761.0
Citigroup Inc [2023-03-31] DFND 439,955.0 439,955.0
Citadel Advisors LLC [2023-03-31] DFND 417,940.0 417,940.0
Bank of America Corp /DE/ [2023-03-31] DFND 65.0 359,666.0
Jane Street Group LLC [2023-03-31] DFND 349,639.0 349,639.0
Samsara Biocapital LLC [2023-03-31] SOLE 345,293.0 345,293.0
Antara Capital LP [2023-03-31] SOLE 0.0 340,000.0
Alkeon Capital Management LLC [2023-03-31] OTR 0.0 326,124.0
Qube Research & Technologies Ltd [2023-03-31] SOLE 0.0 291,314.0
Cubist Systematic Strategies, LLC [2023-03-31] DFND 0.0 278,758.0
D. E. Shaw & Co., Inc. [2023-03-31] DFND 278,203.0 278,203.0
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