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 282 institutions that hold shares in the stock, with a total of 486 Million shares, which have been reported (via 13F filing form) to have a value of $48.3 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Franklin Resources Inc
San Mateo, CA |
Nov 13, 2025 Q3 2025 |
567,782
shares
|
$56.4 Million
0.02% of portfolio
|
Q3 2025
Added 4.41%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Nov 13, 2025 Q3 2025 |
546,593
shares
|
$54.3 Million
0.08% of portfolio
|
Q3 2025
Added 73.58%
|
|
|
Adage Capital Partners Gp, L.L.C.
Boston, MA |
Nov 14, 2025 Q3 2025 |
544,000
shares
|
$54.1 Million
0.09% of portfolio
|
Q3 2025
Added 59.53%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
Nov 10, 2025 Q3 2025 |
527,922
shares
|
$52.5 Million
0.01% of portfolio
|
Q3 2025
Added 14.41%
|
|
|
Loomis Sayles & CO L P
|
Nov 13, 2025 Q3 2025 |
527,439
shares
|
$52.4 Million
0.07% of portfolio
|
Q3 2025
Reduced 10.82%
|
|
|
Northern Trust Corp
Chicago, IL |
Nov 14, 2025 Q3 2025 |
510,906
shares
|
$50.8 Million
0.01% of portfolio
|
Q3 2025
Added 0.13%
|
|
|
Siren, L.L.C.
New York, NY |
Nov 13, 2025 Q3 2025 |
499,975
shares
|
$49.7 Million
1.98% of portfolio
|
Q3 2025
Added 22.02%
|
|
|
Clearbridge Investments, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
484,732
shares
|
$48.2 Million
0.04% of portfolio
|
Q3 2025
Added 55.14%
|
|
|
Morgan Stanley
New York, NY |
Nov 14, 2025 Q3 2025 |
465,190
shares
|
$46.2 Million
0.0% of portfolio
|
Q3 2025
Reduced 11.3%
|
|
|
Opaleye Management Inc.
Boston, MA |
Nov 14, 2025 Q3 2025 |
461,700
shares
|
$45.9 Million
7.77% of portfolio
|
Q3 2025
Reduced 2.8%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
Nov 14, 2025 Q3 2025 |
437,472
shares
|
$43.5 Million
0.01% of portfolio
|
Q3 2025
Added 92.19%
|
|
|
Ubs Group Ag
|
Nov 13, 2025 Q3 2025 |
420,336
shares
|
$41.8 Million
0.01% of portfolio
|
Q3 2025
Added 66.42%
|
|
|
Jennison Associates LLC
|
Oct 30, 2025 Q3 2025 |
411,550
shares
|
$40.9 Million
0.02% of portfolio
|
Q3 2025
New holding
|
|
|
Silverarc Capital Management, LLC
|
Nov 12, 2025 Q3 2025 |
369,996
shares
|
$36.8 Million
7.69% of portfolio
|
Q3 2025
Reduced 7.68%
|
|
|
Voloridge Investment Management, LLC
Jupiter, FL |
Nov 14, 2025 Q3 2025 |
368,263
shares
|
$36.6 Million
0.14% of portfolio
|
Q3 2025
Added 8.69%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
350,008
shares
|
$34.8 Million
0.05% of portfolio
|
Q3 2025
Added 547.11%
|
|
|
Sofinnova Investments, Inc.
Menlo Park, CA |
Nov 13, 2025 Q3 2025 |
246,966
shares
|
$24.6 Million
1.53% of portfolio
|
Q3 2025
Reduced 57.86%
|
|
|
Qube Research & Technologies LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
238,819
shares
|
$23.7 Million
0.03% of portfolio
|
Q3 2025
Reduced 0.63%
|
|
|
Artisan Partners Limited Partnership
Milwaukee, WI |
Nov 12, 2025 Q3 2025 |
236,841
shares
|
$23.5 Million
0.04% of portfolio
|
Q3 2025
New holding
|
|
|
Hood River Capital Management LLC
Palm Beach Gardens, FL |
Nov 14, 2025 Q3 2025 |
235,836
shares
|
$23.4 Million
0.32% of portfolio
|
Q3 2025
Reduced 56.62%
|
|
|
Bank Of America Corp
Charlotte, NC |
Nov 14, 2025 Q3 2025 |
233,150
shares
|
$23.2 Million
0.0% of portfolio
|
Q3 2025
Added 4.95%
|
|
|
Assenagon Asset Management S.A.
|
Oct 07, 2025 Q3 2025 |
224,128
shares
|
$22.3 Million
0.03% of portfolio
|
Q3 2025
Reduced 5.83%
|
|
|
Candriam S.C.A.
|
Nov 05, 2025 Q3 2025 |
221,863
shares
|
$22.1 Million
0.12% of portfolio
|
Q3 2025
Reduced 28.99%
|
|
|
Voya Investment Management LLC
Atlanta, GA |
Oct 09, 2025 Q3 2025 |
221,593
shares
|
$22 Million
0.03% of portfolio
|
Q3 2025
Reduced 9.18%
|
|
|
Integral Health Asset Management, LLC
|
Nov 14, 2025 Q3 2025 |
220,000
shares
|
$21.9 Million
1.69% of portfolio
|
Q3 2025
Added 83.33%
|
|