American Century Companies’s Rhythm Pharmaceuticals RYTM Stock Holding History

American Century Companies’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
2025 Q4	–	Sell	-2,077	Closed	-$210K	–	2873
2025 Q3	$210K	Buy	+2,077	New	+$193K	﹤0.01%	2690
2025 Q2	–	Sell	-13,282	Closed	-$704K	–	2931
2025 Q1	$704K	Sell	13,282 -20,484	-61%	-$1.14M	﹤0.01%	2385
2024 Q4	$1.89M	Buy	+33,766	New	+$1.87M	﹤0.01%	2014
2023 Q1	–	Sell	-9,041	Closed	-$263K	–	2689
2022 Q4	$263K	Buy	+9,041	New	+$232K	﹤0.01%	2262

Other funds holding RYTM

RCM

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BBA

Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

NMC

NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return

Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

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

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

American Century Companies's RYTM Position: Q4 2025 in Review

American Century Companies sold out of Rhythm Pharmaceuticals (RYTM) in Q4 2025, closing a stake of 2,077 shares — an estimated $210K sold.

American Century Companies first reported a position in RYTM in Q4 2022 and held it in 4 quarters. The position peaked at $1.89M in Q4 2024. 280 funds tracked by Wall St. Rank hold RYTM as of Q4 2025.

American Century Companies reported no remaining Rhythm Pharmaceuticals position as of Q4 2025 after selling out during the quarter.
American Century Companies sold 2,077 Rhythm Pharmaceuticals shares in Q4 2025, an estimated $210K.
American Century Companies first reported a position in Rhythm Pharmaceuticals in Q4 2022 and held it in 4 quarters.
American Century Companies's Rhythm Pharmaceuticals position peaked at $1.89M in Q4 2024.
280 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q4 2025.

Based on American Century Companies's 13F filing for Q4 2025, filed 13 Feb 2026.