Group One Trading’s Rhythm Pharmaceuticals RYTM Stock Holding History

Group One Trading’s Portfolio RYTM Stock Details RYTM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$331K	Buy	+2,981	New	+$270K	﹤0.01%	3868
2024 Q3	–	Sell	-4,991	Closed	-$239K	–	7277
2024 Q2	$205K	Buy	4,991 +716	+17%	+$28.6K	﹤0.01%	3364
2024 Q1	$185K	Buy	+4,275	New	+$187K	﹤0.01%	3623
2022 Q1	–	Sell	-241	Closed	-$2.12K	–	8607
2021 Q4	$2K	Hold	241	–	–	﹤0.01%	7903
2021 Q3	$3K	Sell	241 -733	-75%	-$11.2K	﹤0.01%	7885
2021 Q2	$19K	Sell	974 -2,022	-67%	-$42K	﹤0.01%	7224
2021 Q1	$64K	Buy	2,996 +2,590	+638%	+$75.1K	﹤0.01%	6048
2020 Q4	$12K	Sell	406 -121	-23%	-$3.08K	﹤0.01%	5735
2020 Q3	$11K	Buy	+527	New	+$12.1K	﹤0.01%	5386

Other funds holding RYTM

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Group One Trading's RYTM Position: Q2 2026 in Review

Group One Trading opened a new position in Rhythm Pharmaceuticals (RYTM) in Q2 2026: 2,981 shares worth $331K. The stake represents ﹤0.01% of the portfolio and ranks #3868 among its holdings. This is a return to the name: Group One Trading previously reported a position in RYTM as recently as Q2 2024.

Group One Trading first reported a position in RYTM in Q3 2020 and has held it in 9 quarters since. 304 funds tracked by Wall St. Rank hold RYTM as of Q2 2026.

Group One Trading held 2,981 shares of Rhythm Pharmaceuticals worth $331K as of Q2 2026.
Rhythm Pharmaceuticals was a new Group One Trading position in Q2 2026.
Rhythm Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #3868 holding.
Group One Trading first reported a position in Rhythm Pharmaceuticals in Q3 2020 and has held it in 9 quarters since.
304 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.