Rockefeller Capital Management’s Rhythm Pharmaceuticals RYTM Stock Holding History

Rockefeller 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	$660K	Buy	5,945 +1,101	+23%	+$99.5K	﹤0.01%	1937
2026 Q1	$421K	Sell	4,844 -6,927	-59%	-$674K	﹤0.01%	2077
2025 Q4	$1.26M	Buy	11,771 +2,903	+33%	+$308K	﹤0.01%	1459
2025 Q3	$896K	Buy	+8,868	New	+$823K	﹤0.01%	1468
2020 Q1	–	Sell	-249	Closed	-$6K	–	2467
2019 Q4	$6K	Hold	249	–	–	﹤0.01%	1750
2019 Q3	$5K	Hold	249	–	–	﹤0.01%	1638
2019 Q2	$5K	Hold	249	–	–	﹤0.01%	1434
2019 Q1	$7K	Buy	+249	New	+$7.16K	﹤0.01%	1572

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 $3.38T AUM 44.17% 1-Year Est. Return

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

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

Rockefeller Capital Management increased its Rhythm Pharmaceuticals (RYTM) stake by 23% in Q2 2026, buying an estimated $99.5K and bringing the position to 5,945 shares worth $660K. The position accounts for ﹤0.01% of the portfolio, ranked #1937.

Rockefeller Capital Management first reported a position in RYTM in Q1 2019 and has held it in 8 quarters since. The position peaked at $1.26M in Q4 2025. 304 funds tracked by Wall St. Rank hold RYTM as of Q2 2026.

Rockefeller Capital Management held 5,945 shares of Rhythm Pharmaceuticals worth $660K as of Q2 2026.
Rockefeller Capital Management bought 1,101 Rhythm Pharmaceuticals shares in Q2 2026, an estimated $99.5K.
Rhythm Pharmaceuticals made up ﹤0.01% of Rockefeller Capital Management's portfolio in Q2 2026, its #1937 holding.
Rockefeller Capital Management first reported a position in Rhythm Pharmaceuticals in Q1 2019 and has held it in 8 quarters since.
Rockefeller Capital Management's Rhythm Pharmaceuticals position peaked at $1.26M in Q4 2025.
304 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q2 2026.

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