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O'Shaughnessy Asset Management’s Rhythm Pharmaceuticals RYTM Stock Holding History

O'Shaughnessy Asset 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 		$458K Buy
+4,122
New +$373K ﹤0.01% 1639
2026
Q1 		– Sell
-3,580
Closed -$383K – 2805
2025
Q4 		$383K Sell
3,580
-1,256
-26% -$133K ﹤0.01% 1644
2025
Q3 		$488K Buy
4,836
+1,360
+39% +$126K ﹤0.01% 1500
2025
Q2 		$220K Buy
+3,476
New +$213K ﹤0.01% 1786

Other funds holding RYTM

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
BlackRock
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
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

O'Shaughnessy Asset Management's RYTM Position: Q2 2026 in Review

O'Shaughnessy Asset Management opened a new position in Rhythm Pharmaceuticals (RYTM) in Q2 2026: 4,122 shares worth $458K. The stake represents ﹤0.01% of the portfolio and ranks #1639 among its holdings. This is a return to the name: O'Shaughnessy Asset Management previously reported a position in RYTM as recently as Q4 2025.

O'Shaughnessy Asset Management first reported a position in RYTM in Q2 2025 and has held it in 4 quarters since. The position peaked at $488K in Q3 2025. 302 funds tracked by Wall St. Rank hold RYTM as of Q2 2026.

  • O'Shaughnessy Asset Management held 4,122 shares of Rhythm Pharmaceuticals worth $458K as of Q2 2026.
  • Rhythm Pharmaceuticals was a new O'Shaughnessy Asset Management position in Q2 2026.
  • Rhythm Pharmaceuticals made up ﹤0.01% of O'Shaughnessy Asset Management's portfolio in Q2 2026, its #1639 holding.
  • O'Shaughnessy Asset Management first reported a position in Rhythm Pharmaceuticals in Q2 2025 and has held it in 4 quarters since.
  • O'Shaughnessy Asset Management's Rhythm Pharmaceuticals position peaked at $488K in Q3 2025.
  • 302 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q2 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.