Cinctive Capital Management’s Rhythm Pharmaceuticals RYTM Stock Holding History

Cinctive Capital Management’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	$4.75M	Buy	+42,739	New	+$3.86M	0.17%	179
2026 Q1	–	Sell	-3,225	Closed	-$345K	–	493
2025 Q4	$345K	Sell	3,225 -31,931	-91%	-$3.39M	0.02%	350
2025 Q3	$3.55M	Sell	35,156 -35,781	-50%	-$3.32M	0.17%	185
2025 Q2	$4.48M	Buy	70,937 +66,581	+1,528%	+$4.08M	0.24%	143
2025 Q1	$231K	Sell	4,356 -78,399	-95%	-$4.35M	0.02%	295
2024 Q4	$4.63M	Buy	+82,755	New	+$4.57M	0.24%	140

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

Cinctive Capital Management's RYTM Position: Q2 2026 in Review

Cinctive Capital Management opened a new position in Rhythm Pharmaceuticals (RYTM) in Q2 2026: 42,739 shares worth $4.75M. The stake represents 0.17% of the portfolio and ranks #179 among its holdings. This is a return to the name: Cinctive Capital Management previously reported a position in RYTM as recently as Q4 2025.

Cinctive Capital Management first reported a position in RYTM in Q4 2024 and has held it in 6 quarters since. 304 funds tracked by Wall St. Rank hold RYTM as of Q2 2026.

Cinctive Capital Management held 42,739 shares of Rhythm Pharmaceuticals worth $4.75M as of Q2 2026.
Rhythm Pharmaceuticals was a new Cinctive Capital Management position in Q2 2026.
Rhythm Pharmaceuticals made up 0.17% of Cinctive Capital Management's portfolio in Q2 2026, its #179 holding.
Cinctive Capital Management first reported a position in Rhythm Pharmaceuticals in Q4 2024 and has held it in 6 quarters since.
304 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q2 2026.

Based on Cinctive Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.