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Rhythm Pharmaceuticals
RYTM

Overview Fund Activity

227 hedge funds and large institutions have $4.2B invested in Rhythm Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 34 funds opening new positions, 92 increasing their positions, 74 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
227
Holders Change
-1
Holders Change %
-0.44%
% of All Funds
3.05%
Holding in Top 10
10
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+42.86%
% of All Funds
0.13%
New
34
Increased
92
Reduced
74
Closed
34
Calls
$13.8M
Puts
$36.7M
Net Calls
-$22.9M
Net Calls Change
-$40.9M

Top Buyers

1
PCH
1
Polar Capital Holdings
United Kingdom
$79M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$49.5M
3
WP
3
Woodline Partners
California
$32.5M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$21.5M
5
ClearBridge Investments
5
ClearBridge Investments
New York
$19.7M

Top Sellers

1
Primecap Management
1
Primecap Management
California
$308M
2
BlackRock
2
BlackRock
New York
$396M
3
FLSM
3
Frazier Life Sciences Management
California
$0
4
RCM
4
RA Capital Management
Massachusetts
$351M
5
Balyasny Asset Management
5
Balyasny Asset Management
Illinois
$3.42M
Name Holding Trade Value Shares
Change 		Shares
Change %
SS
201
SBI Securities
Japan
$10.6K -$18.8K -298 -64%
TWD
202
True Wealth Design
Ohio
$9.29K +$5.69K +90 +158%
US Bancorp
203
US Bancorp
Minnesota
$9.23K – – –
SAM
204
Smartleaf Asset Management
Massachusetts
$9.1K -$6.9K -110 -43%
TC
205
Truvestments Capital
Florida
$8.72K – – –
SCM
206
Sterling Capital Management
North Carolina
$8.34K +$4.68K +74 +128%
BC
207
Bayforest Capital
United Kingdom
$7.33K -$191K -3,018 -96%
RIL
208
Rothschild Investment LLC
Illinois
$6.64K +$948 +15 +17%
SC
209
SouthState Corp
Florida
$4.49K – – –
EWA
210
EverSource Wealth Advisors
Alabama
$4.11K +$2.91K +46 +242%
AF
211
Allworth Financial
California
$4.05K +$885 +14 +28%
Bessemer Group
212
Bessemer Group
New Jersey
$4K – – –
CIAM
213
Caitong International Asset Management
Hong Kong
$3.67K +$3.67K +58 New
WA
214
WPG Advisers
Maryland
$3.6K +$3.6K +57 New
VCM
215
Versant Capital Management
Arizona
$2.28K -$1.2K -19 -35%
PFBT
216
Parkside Financial Bank & Trust
Missouri
$2.09K +$822 +13 +65%
FFA
217
Farther Finance Advisors
California
$1.83K +$948 +15 +107%
OP
218
ORG Partners
Indiana
$1.57K – – –
BIG
219
Brooklyn Investment Group
New York
$1.33K +$1.01K +16 +320%
PA
220
Parallel Advisors
California
$1.2K – – –
IA
221
IFP Advisors
Florida
$1.2K +$1.2K +15 New
PWA
222
Physician Wealth Advisors
Utah
$1.01K +$1.01K +16 New
CFO
223
CVA Family Office
Colorado
$758 – – –
WA
224
Whipplewood Advisors
Colorado
$695 -$126 -2 -15%
BFS
225
Bare Financial Services
Pennsylvania
$632 +$632 +10 New
7 8
9
10 11