Latest Institutional Sells of Rhythm Pharmaceuticals, Inc. (RYTM)
This list provides information on the latest institutional transactions involving Rhythm Pharmaceuticals, Inc. (RYTM) stock that were sells. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the sale has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 10, 2025
Q3 2025
|
Primecap Management CO
Pasadena, CA |
SELL
|
- |
-615K- 12.61% |
$40.1M - $64.3M
|
4.26M
$424M
|
|
|
Nov 13, 2025
Q3 2025
|
Sofinnova Investments, Inc.
Menlo Park, CA |
SELL
|
- |
-339K- 57.86% |
$22.1M - $35.5M
|
247K
$24.6M
|
|
|
Nov 14, 2025
Q3 2025
|
Hood River Capital Management LLC
Palm Beach Gardens, FL |
SELL
|
- |
-308K- 56.62% |
$20.1M - $32.2M
|
236K
$23.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Checkpoint Capital L.P.
San Francisco, CA |
SELL
|
- |
-296K- 27.95% |
$19.3M - $31M
|
764K
$75.9M
|
|
|
Nov 10, 2025
Q3 2025
|
Westfield Capital Management CO LP
Boston, MA |
SELL
|
- |
-272K- 20.29% |
$17.7M - $28.5M
|
1.07M
$106M
|
|
|
Nov 14, 2025
Q3 2025
|
Janus Henderson Group PLC
London, X0 |
SELL
|
- |
-251K- 17.78% |
$16.4M - $26.2M
|
1.16M
$115M
|
|
|
Nov 12, 2025
Q3 2025
|
Barclays PLC
London, X0 |
SELL
|
- |
-209K- 59.46% |
$13.6M - $21.8M
|
142K
$14.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Marshall Wace, LLP
London, X0 |
SELL
|
- |
-204K- 54.33% |
$13.3M - $21.4M
|
172K
$17.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Rock Springs Capital Management LP
Baltimore, MD |
SELL
|
- |
-144K- 16.73% |
$9.38M - $15.1M
|
717K
$71.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Caption Management, LLC
Oklahoma City, OK |
SELL
|
PUT |
-103K- 82.0% |
$6.68M - $10.7M
|
22.5K
$2.24M
|
|
|
Nov 13, 2025
Q3 2025
|
Comerica Bank
|
SELL
|
- |
-92.3K- 30.61% |
$6.01M - $9.66M
|
209K
$20.8M
|
|
|
Nov 05, 2025
Q3 2025
|
Candriam S.C.A.
|
SELL
|
- |
-90.6K- 28.99% |
$5.9M - $9.47M
|
222K
$22.1M
|
|
|
Nov 14, 2025
Q3 2025
|
Stem Point Capital LP
New York, NY |
SELL
|
- |
-85.3K- 48.26% |
$5.56M - $8.92M
|
91.4K
$9.09M
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
- |
-74.2K- 95.98% |
$4.83M - $7.75M
|
3.1K
$309K
|
|
|
Nov 14, 2025
Q3 2025
|
Lazard Asset Management LLC
New York, NY |
SELL
|
- |
-69.2K- 69.59% |
$4.51M - $7.24M
|
30.2K
$3.01M
|
|
|
Nov 14, 2025
Q3 2025
|
Israel Englander
Millennium Management LLC | New York, Ny
|
SELL
|
- |
-64.9K- 32.78% |
$4.23M - $6.79M
|
133K
$13.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Loomis Sayles & CO L P
|
SELL
|
- |
-64K- 10.82% |
$4.17M - $6.69M
|
527K
$52.4M
|
|
|
Nov 14, 2025
Q3 2025
|
Morgan Stanley
New York, NY |
SELL
|
- |
-59.3K- 11.3% |
$3.86M - $6.2M
|
465K
$46.2M
|
|
|
Nov 13, 2025
Q3 2025
|
Panagora Asset Management Inc
Boston, MA |
SELL
|
- |
-54.9K- 45.91% |
$3.57M - $5.74M
|
64.6K
$6.42M
|
|
|
Oct 15, 2025
Q3 2025
|
Harbor Capital Advisors, Inc.
|
SELL
|
- |
-49.3K- 57.01% |
$3.21M - $5.16M
|
37.2K
$3.7M
|
|
|
Nov 06, 2025
Q3 2025
|
Abrdn PLC
|
SELL
|
- |
-40.9K- 60.48% |
$2.67M - $4.28M
|
26.7K
$2.66M
|
|
|
Nov 13, 2025
Q3 2025
|
Jane Street Group, LLC
New York, NY |
SELL
|
PUT |
-38K- 72.11% |
$2.48M - $3.97M
|
14.7K
$1.46M
|
|
|
Nov 14, 2025
Q3 2025
|
Cinctive Capital Management LP
New York, NY |
SELL
|
- |
-35.8K- 50.44% |
$2.33M - $3.74M
|
35.2K
$3.49M
|
|
|
Nov 14, 2025
Q3 2025
|
Ameriprise Financial Inc
Minneapolis, MN |
SELL
|
- |
-35.1K- 20.28% |
$2.29M - $3.67M
|
138K
$13.7M
|
|
|
Nov 14, 2025
Q3 2025
|
Orbimed Advisors LLC
San Diego, CA |
SELL
|
- |
-33.4K- 13.42% |
$2.17M - $3.49M
|
215K
$21.4M
|
|
|
Nov 12, 2025
Q3 2025
|
Silverarc Capital Management, LLC
|
SELL
|
- |
-30.8K- 7.68% |
$2M - $3.22M
|
370K
$36.8M
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
SELL
|
PUT |
-25.3K- 89.4% |
$1.65M - $2.65M
|
3K
$298K
|
|
|
Nov 14, 2025
Q3 2025
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
SELL
|
PUT |
-23.8K- 17.83% |
$1.55M - $2.49M
|
110K
$10.9M
|
|
|
Oct 09, 2025
Q3 2025
|
Voya Investment Management LLC
Atlanta, GA |
SELL
|
- |
-22.4K- 9.18% |
$1.46M - $2.34M
|
222K
$22M
|
|
|
Nov 10, 2025
Q3 2025
|
Citigroup Inc
|
SELL
|
- |
-21.2K- 61.89% |
$1.38M - $2.22M
|
13.1K
$1.3M
|
|
|
Nov 14, 2025
Q3 2025
|
D. E. Shaw & Co., Inc.
New York, NY |
SELL
|
- |
-20.7K- 85.23% |
$1.35M - $2.16M
|
3.59K
$356K
|
|
|
Nov 14, 2025
Q3 2025
|
Samsara Bio Capital, LLC
Palo Alto, CA |
SELL
|
- |
-20.2K- 40.0% |
$1.32M - $2.11M
|
30.3K
$3.01M
|
|
|
Nov 13, 2025
Q3 2025
|
Kennedy Capital Management, Inc.
St Louis, MO |
SELL
|
- |
-17.6K- 30.83% |
$1.15M - $1.84M
|
39.6K
$3.93M
|
|
|
Nov 07, 2025
Q3 2025
|
Readystate Asset Management LP
Chicago, IL |
SELL
|
- |
-16.3K- 66.09% |
$1.06M - $1.7M
|
8.37K
$832K
|
|
|
Nov 14, 2025
Q3 2025
|
Silvercrest Asset Management Group LLC
New York, NY |
SELL
|
- |
-14.7K- 30.12% |
$957K - $1.54M
|
34.1K
$3.39M
|
|
|
Oct 07, 2025
Q3 2025
|
Assenagon Asset Management S.A.
|
SELL
|
- |
-13.9K- 5.83% |
$903K - $1.45M
|
224K
$22.3M
|
|
|
Nov 14, 2025
Q3 2025
|
Summit Tx Capital, L.P.
Fort Worth, TX |
SELL
|
- |
-13.6K- 53.37% |
$885K - $1.42M
|
11.9K
$1.18M
|
|
|
Nov 14, 2025
Q3 2025
|
Opaleye Management Inc.
Boston, MA |
SELL
|
- |
-13.3K- 2.8% |
$866K - $1.39M
|
462K
$45.9M
|
|
|
Nov 14, 2025
Q3 2025
|
Bellevue Group Ag
Kuesnacht, V8 |
SELL
|
- |
-11.9K- 56.7% |
$772K - $1.24M
|
9.05K
$900K
|
|
|
Nov 14, 2025
Q3 2025
|
Pdt Partners, LLC
New York, NY |
SELL
|
- |
-11.5K- 11.78% |
$749K - $1.2M
|
86.1K
$8.56M
|
|
|
Nov 07, 2025
Q3 2025
|
State Of New Jersey Common Pension Fund D
|
SELL
|
- |
-9.45K- 31.13% |
$616K - $989K
|
20.9K
$2.08M
|
|
|
Oct 10, 2025
Q3 2025
|
Wedge Capital Management L L P
|
SELL
|
- |
-7.75K- 25.83% |
$505K - $810K
|
22.2K
$2.21M
|
|
|
Nov 14, 2025
Q3 2025
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
SELL
|
- |
-7.22K- 10.59% |
$470K - $754K
|
60.9K
$6.06M
|
|
|
Nov 14, 2025
Q3 2025
|
David A. Siegel
Two Sigma Advisers, LP | New York, Ny
|
SELL
|
- |
-6.4K- 65.98% |
$417K - $669K
|
3.3K
$328K
|
|
|
Oct 22, 2025
Q3 2025
|
Hennion & Walsh Asset Management, Inc.
|
SELL
|
- |
-6.35K- 12.43% |
$414K - $664K
|
44.7K
$4.45M
|
|
|
Nov 17, 2025
Q3 2025
|
Dark Forest Capital Management LP
Weston, CT |
SELL
|
- |
-6.19K- 17.77% |
$403K - $647K
|
28.6K
$2.85M
|
|
|
Nov 14, 2025
Q3 2025
|
Polar Capital Holdings PLC
London, X0 |
SELL
|
- |
-5.94K- 0.47% |
$387K - $621K
|
1.24M
$124M
|
|
|
Nov 14, 2025
Q3 2025
|
Leo Wealth, LLC
Hurst, TX |
SELL
|
- |
-5.58K- 41.49% |
$363K - $583K
|
7.87K
$782K
|
|
|
Nov 06, 2025
Q3 2025
|
Rhumbline Advisers
Boston, MA |
SELL
|
- |
-5.46K- 6.24% |
$356K - $571K
|
82.1K
$8.16M
|
|
|
Nov 14, 2025
Q3 2025
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
SELL
|
- |
-5.23K- 16.16% |
$341K - $547K
|
27.1K
$2.7M
|
|