RHYTHM PHARMACEUTICALS INC

Ticker: RYTM CUSIP: 76243J105 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

New Positions (48)

Increased Positions (97)

Checkpoint Capital L.P.
Value ($000) $106,205 (+37.7%) Shares 992,200 (+29.9%)
Integral Health Asset Management, LLC
Value ($000) $50,844 (+128.8%) Shares 475,000 (+115.9%)
RA CAPITAL MANAGEMENT, L.P.
Value ($000) $713,618 (+24.4%) Shares 6,666,837 (+17.3%)
First Light Asset Management, LLC
Value ($000) $31,667 (+73.7%) Shares 295,844 (+63.9%)
Sofinnova Investments, Inc.
Value ($000) $29,050 (+16.5%) Shares 271,394 (+9.9%)
HighVista Strategies LLC
Value ($000) $4,588 (+21.2%) Shares 42,867 (+14.4%)
SummitTX Capital, L.P.
Value ($000) $8,641 (+620.9%) Shares 80,729 (+580.2%)
WESTFIELD CAPITAL MANAGEMENT CO LP
Value ($000) $135,637 (+25.6%) Shares 1,267,158 (+18.5%)
ORBIMED ADVISORS LLC
Value ($000) $25,668 (+18.1%) Shares 239,800 (+11.5%)
Woodline Partners LP
Value ($000) $73,727 (+25.8%) Shares 688,779 (+18.7%)
CASTLEARK MANAGEMENT LLC
Value ($000) $6,902 (+60.7%) Shares 64,479 (+51.6%)
JENNISON ASSOCIATES LLC
Value ($000) $98,323 (+136.6%) Shares 918,567 (+123.2%)
Candriam S.C.A.
Value ($000) $30,819 (+37.5%) Shares 287,907 (+29.8%)
PROFUND ADVISORS LLC
Value ($000) $2,253 (+79.1%) Shares 21,046 (+68.9%)
ADAR1 Capital Management, LLC
Value ($000) $5,496 (+9.8%) Shares 51,349 (+3.6%)
ADAGE CAPITAL PARTNERS GP, L.L.C.
Value ($000) $66,534 (+21.1%) Shares 621,585 (+14.3%)
Granahan Investment Management, LLC
Value ($000) $5,722 (+13.9%) Shares 53,452 (+7.5%)
Capital Research Global Investors
Value ($000) $105,444 (+74.5%) Shares 985,086 (+64.7%)
Qube Research & Technologies Ltd
Value ($000) $33,281 (+38.0%) Shares 310,919 (+30.2%)
HARBOR CAPITAL ADVISORS, INC.
Value ($000) $4 (+16.5%) Shares 40,896 (+9.9%)

Decreased Positions (86)

PERCEPTIVE ADVISORS LLC
Value ($000) $272,566 (-5.5%) Shares 2,546,391 (-99.4%)
SILVERARC CAPITAL MANAGEMENT, LLC
Value ($000) $14,552 (-61.1%) Shares 135,950 (-63.3%)
Opaleye Management Inc.
Value ($000) $35,323 (-24.2%) Shares 330,000 (-28.5%)
STEMPOINT CAPITAL LP
Value ($000) $6,306 (-31.7%) Shares 58,915 (-35.6%)
Rock Springs Capital Management LP
Value ($000) $74,394 (+2.7%) Shares 695,010 (-3.1%)
Quantedge Capital Pte Ltd
Value ($000) $599 (-66.7%) Shares 5,600 (-68.5%)
Logos Global Management LP
Value ($000) $20,338 (+0.7%) Shares 190,000 (-5.0%)
PDT Partners, LLC
Value ($000) $6,362 (-26.9%) Shares 59,436 (-31.0%)
DRIEHAUS CAPITAL MANAGEMENT LLC
Value ($000) $137,570 (-1.6%) Shares 1,285,222 (-7.1%)
Harvest Investment Services, LLC
Value ($000) $4,705 (-3.2%) Shares 43,953 (-8.7%)
Cinctive Capital Management LP
Value ($000) $345 (-90.3%) Shares 3,225 (-90.8%)
VOLORIDGE INVESTMENT MANAGEMENT, LLC
Value ($000) $6,484 (-82.6%) Shares 60,575 (-83.6%)
Hennion & Walsh Asset Management, Inc.
Value ($000) $1,168 (-74.2%) Shares 10,908 (-75.6%)
PRIMECAP MANAGEMENT CO/CA/
Value ($000) $372,357 (-13.5%) Shares 3,478,669 (-18.4%)
COMERICA BANK
Value ($000) $430 (-98.0%) Shares 4,014 (-98.1%)
PFM Health Sciences, LP
Value ($000) $4,304 (-11.5%) Shares 40,210 (-16.5%)
Polar Capital Holdings Plc
Value ($000) $126,884 (+0.9%) Shares 1,185,392 (-4.8%)
BALYASNY ASSET MANAGEMENT L.P.
Value ($000) $7,737 (-78.1%) Shares 72,282 (-79.3%)
Voleon Capital Management LP
Value ($000) $538 (-80.2%) Shares 5,025 (-81.3%)
ALGERT GLOBAL LLC
Value ($000) $9 (-33.3%) Shares 88,250 (-37.1%)

Exited Positions (39)