Group One Trading
RYTM icon

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
Q3 		$437K Buy
4,588
+1,607
+54% +$172K ﹤0.01% 3515
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

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Primecap Management
Primecap Management Pasadena, California $161B AUM 86.05% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 42.55% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $71.4B AUM 33.43% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Group One Trading's RYTM Position: Q3 2026 in Review

Group One Trading increased its Rhythm Pharmaceuticals (RYTM) stake by 54% in Q3 2026, buying an estimated $172K and bringing the position to 4,588 shares worth $437K. The position accounts for ﹤0.01% of the portfolio, ranked #3515.

Group One Trading first reported a position in RYTM in Q3 2020 and has held it in 10 quarters since. 239 funds tracked by Wall St. Rank hold RYTM as of Q3 2026.

  • Group One Trading held 4,588 shares of Rhythm Pharmaceuticals worth $437K as of Q3 2026.
  • Group One Trading bought 1,607 Rhythm Pharmaceuticals shares in Q3 2026, an estimated $172K.
  • Rhythm Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q3 2026, its #3515 holding.
  • Group One Trading first reported a position in Rhythm Pharmaceuticals in Q3 2020 and has held it in 10 quarters since.
  • 239 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q3 2026.

Based on Group One Trading's 13F filing for Q3 2026, filed 10 Nov 2026.