Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Block Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover trades at least twice the size of a fund's median trade that quarter
Fund Signals
Daily bullish and bearish fund signals, and how past ones played out
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
Fund Flows Report
Our quarterly report on what the world’s largest funds bought and sold
Thematic Trends
Track which investment themes funds are piling into or pulling out of
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
Sign in Sign up
SCM
RYTM icon

Sio Capital Management’s Rhythm Pharmaceuticals RYTM Stock Holding History

Sio Capital Management’s Portfolio RYTM Stock Details RYTM Fund Activity
Bought
Maintained
Sold
Put Options
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
– Sell
-265,700
Closed -$28.4M – 88
2025
Q4
$28.4M Buy
+265,700
New +$28.2M 4.47% 6

Other funds holding RYTM

RA Capital Management
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Perceptive Advisors
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return
Product
Portfolios Fund Managers Fund Trends Large Buys & Sells Signals Stocks ETFs Sectors Industries Themes Rankings
Popular funds
Jane Street Citadel Renaissance Situational Awareness Coatue Bridgewater Berkshire Appaloosa Pershing Square
Resources
API Docs Plans Learn Methodology
Policies
Terms & Conditions Privacy Policy Disclaimer Climate Commitment
Connect
Contact Us About X (Twitter) LinkedIn

© 2026 Wall St. Rank

Sign up Sign in
Common Fund Bets See what stocks and ETFs funds are collectively bullish/bearish on Largest Block Trades Explore the largest stock and ETF buys and sells made by funds High Conviction Trades Discover trades at least twice the size of a fund's median trade that quarter Fund Signals Daily bullish and bearish fund signals, and how past ones played out Fund Manager Portfolios Gain insights from the world’s largest funds and super investors Fund Flows Report Our quarterly report on what the world’s largest funds bought and sold Thematic Trends Track which investment themes funds are piling into or pulling out of
Fund Manager Index Stock index based on fund manager consensus updated each quarter

Theme