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Rhythm Pharmaceuticals Inc
RYTMAdd to Watchlist
99.250USD
-6.490-6.14%
Close 07-31 16:00（ET）Quotes delayed by 15 min
6.79BMarket Cap
LossP/E TTM
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
RA Capital Management, LP
9.73%
Baker Bros. Advisors LP
8.18%
BlackRock Institutional Trust Company, N.A.
6.03%
PRIMECAP Management Company
4.99%
Vanguard Portfolio Management, LLC
4.44%
Other
66.64%
Shareholders
Shareholders
Proportion
RA Capital Management, LP
9.73%
Baker Bros. Advisors LP
8.18%
BlackRock Institutional Trust Company, N.A.
6.03%
PRIMECAP Management Company
4.99%
Vanguard Portfolio Management, LLC
4.44%
Other
66.64%
Shareholder Types
Shareholders
Proportion
Investment Advisor
40.38%
Investment Advisor/Hedge Fund
28.61%
Hedge Fund
15.54%
Venture Capital
14.73%
Private Equity
4.07%
Research Firm
3.70%
Individual Investor
0.80%
Pension Fund
0.46%
Bank and Trust
0.37%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
541
80.14M
116.93%
+2.91M
2025Q4
516
74.68M
111.90%
-258.91K
2025Q3
461
70.26M
105.28%
-843.23K
2025Q2
451
66.54M
100.20%
-6.36M
2025Q1
464
66.24M
104.13%
-6.91M
2024Q4
438
66.17M
104.69%
-7.75M
2024Q3
414
68.98M
112.28%
-7.86M
2024Q2
402
70.62M
115.59%
-5.66M
2024Q1
385
68.75M
112.78%
-8.84M
2023Q4
369
67.33M
113.30%
-8.52M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
RA Capital Management, LP
6.67M
9.76%
+985.48K
+17.35%
Dec 31, 2025
Baker Bros. Advisors LP
5.60M
8.21%
--
--
Dec 31, 2025
BlackRock Institutional Trust Company, N.A.
4.13M
6.05%
+202.44K
+5.15%
Dec 31, 2025
PRIMECAP Management Company
3.48M
5.09%
-784.19K
-18.40%
Dec 31, 2025
New Enterprise Associates (NEA)
2.91M
4.26%
--
--
Dec 31, 2025
Perceptive Advisors LLC
2.55M
3.73%
+107.42K
+4.40%
Dec 31, 2025
State Street Investment Management (US)
2.20M
3.22%
+169.96K
+8.38%
Dec 31, 2025
Westfield Capital Management Company, L.P.
1.27M
1.86%
+198.15K
+18.54%
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Innovator IBD 50 Fund ETF
3.3%
ALPS Medical Breakthroughs ETF
3.25%
Virtus LifeSci Biotech Products ETF
2.89%
Harbor Human Capital Factor US Small Cap ETF
2.23%
Roundhill GLP-1 & Weight Loss ETF
2.06%
Harbor Health Care ETF
2.03%
iShares Health Innovation Active ETF
2.02%
State Street SPDR S&P Biotech ETF
1.66%
Invesco Dorsey Wright Healthcare Momentum ETF
1.56%
Direxion Daily S&P Biotech Bull 3X Shares
0.95%
View more
Innovator IBD 50 Fund ETF
Proportion3.3%
ALPS Medical Breakthroughs ETF
Proportion3.25%
Virtus LifeSci Biotech Products ETF
Proportion2.89%
Harbor Human Capital Factor US Small Cap ETF
Proportion2.23%
Roundhill GLP-1 & Weight Loss ETF
Proportion2.06%
Harbor Health Care ETF
Proportion2.03%
iShares Health Innovation Active ETF
Proportion2.02%
State Street SPDR S&P Biotech ETF
Proportion1.66%
Invesco Dorsey Wright Healthcare Momentum ETF
Proportion1.56%
Direxion Daily S&P Biotech Bull 3X Shares
Proportion0.95%