Institutional Ownership Rhythm Pharmaceuticals, Inc. (RYTM)
This table provides information about the institutional ownership of Rhythm Pharmaceuticals, Inc. (RYTM). We have compiled data on the 216 institutions that hold shares in the stock, with a total of 64.4 Million shares, which have been reported (via 13F filing form) to have a value of $3.28 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
6,741,923
shares
|
$353 Million
0.01% of portfolio
|
Q2 2024
Added 3.25%
|
|
|
Primecap Management CO
Pasadena, CA |
Feb 10, 2025 Q4 2024 |
6,571,190
shares
|
$344 Million
0.29% of portfolio
|
Q4 2024
Reduced 8.95%
|
|
|
Ra Capital Management, L.P.
Boston, MA |
Feb 14, 2025 Q4 2024 |
6,084,412
shares
|
$318 Million
5.51% of portfolio
|
Q2 2024
New holding
|
|
|
Baker Bros. Advisors LP
New York, NY |
Feb 14, 2025 Q4 2024 |
6,084,249
shares
|
$318 Million
3.77% of portfolio
|
Q4 2024
Reduced 4.91%
|
|
|
Perceptive Advisors LLC
New York, NY |
Feb 14, 2025 Q4 2024 |
3,680,473
shares
|
$192 Million
6.86% of portfolio
|
Q4 2024
Added 3.38%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Feb 11, 2025 Q4 2024 |
3,442,600
shares
|
$180 Million
0.0% of portfolio
|
Q4 2024
Reduced 0.15%
|
|
|
Nea Management Company, LLC
Timonium, MD |
Feb 14, 2025 Q4 2024 |
2,909,956
shares
|
$152 Million
11.62% of portfolio
|
Q1 2023
Reduced 40.73%
|
|
|
Frazier Life Sciences Management, L.P.
Menlo Park, CA |
Feb 14, 2025 Q4 2024 |
1,869,808
shares
|
$97.8 Million
6.27% of portfolio
|
Q4 2024
Reduced 22.64%
|
|
|
State Street Corp
Boston, MA |
Feb 14, 2025 Q4 2024 |
1,840,870
shares
|
$96.3 Million
0.0% of portfolio
|
Q4 2024
Reduced 7.64%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Feb 11, 2025 Q4 2024 |
1,812,206
shares
|
$94.8 Million
0.02% of portfolio
|
Q4 2024
Reduced 53.29%
|
|
|
Federated Hermes, Inc.
Pittsburgh, PA |
Feb 13, 2025 Q4 2024 |
1,549,635
shares
|
$81 Million
0.2% of portfolio
|
Q4 2024
Reduced 6.87%
|
|
|
Polar Capital Holdings PLC
London, X0 |
Feb 14, 2025 Q4 2024 |
1,500,000
shares
|
$78.4 Million
0.52% of portfolio
|
Q1 2024
Reduced 14.29%
|
|
|
Driehaus Capital Management LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
1,290,975
shares
|
$67.5 Million
0.7% of portfolio
|
Q4 2024
Reduced 0.66%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Feb 12, 2025 Q4 2024 |
1,255,799
shares
|
$65.7 Million
0.01% of portfolio
|
Q4 2024
Reduced 0.03%
|
|
|
Janus Henderson Group PLC
London, X0 |
Feb 14, 2025 Q4 2024 |
1,219,554
shares
|
$63.8 Million
0.04% of portfolio
|
Q4 2024
Added 103.9%
|
|
|
Alkeon Capital Management LLC
New York, NY |
Feb 13, 2025 Q4 2024 |
1,167,700
shares
|
$61.1 Million
0.14% of portfolio
|
Q3 2024
Added 16.77%
|
|
|
Rock Springs Capital Management LP
Baltimore, MD |
Feb 14, 2025 Q4 2024 |
1,162,718
shares
|
$60.8 Million
2.59% of portfolio
|
Q4 2024
Reduced 5.32%
|
|
|
Checkpoint Capital L.P.
San Francisco, CA |
Feb 14, 2025 Q4 2024 |
727,982
shares
|
$38.1 Million
20.74% of portfolio
|
Q4 2024
Added 9.74%
|
|
|
Marshall Wace, LLP
London, X0 |
Feb 13, 2025 Q4 2024 |
692,803
shares
|
$36.2 Million
0.05% of portfolio
|
Q4 2024
Added 70.38%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Feb 14, 2025 Q4 2024 |
685,152
shares
|
$35.8 Million
0.0% of portfolio
|
Q4 2024
Added 24.45%
|
|
|
Hood River Capital Management LLC
Palm Beach Gardens, FL |
Feb 14, 2025 Q4 2024 |
643,691
shares
|
$33.7 Million
0.62% of portfolio
|
Q4 2024
Added 4.73%
|
|
|
Loomis Sayles & CO L P
|
Feb 12, 2025 Q4 2024 |
618,485
shares
|
$32.3 Million
0.04% of portfolio
|
Q4 2024
Reduced 2.85%
|
|
|
Morgan Stanley
New York, NY |
Feb 14, 2025 Q4 2024 |
560,087
shares
|
$29.3 Million
0.0% of portfolio
|
Q4 2024
Added 20.55%
|
|
|
Northern Trust Corp
Chicago, IL |
Feb 14, 2025 Q4 2024 |
545,314
shares
|
$28.5 Million
0.0% of portfolio
|
Q4 2024
Added 9.4%
|
|
|
Opaleye Management Inc.
Boston, MA |
Feb 14, 2025 Q4 2024 |
500,000
shares
|
$26.1 Million
5.5% of portfolio
|
Q3 2024
Reduced 2.91%
|