Simplex Trading
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Simplex Trading’s Rhythm Pharmaceuticals RYTM Stock Holding History

Simplex 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
Q2 		$381K Buy
+3,435
New +$311K ﹤0.01% 3950
2025
Q1 		– Sell
-2,475
Closed -$137K – 9514
2024
Q4 		$138K Buy
+2,475
New +$137K ﹤0.01% 4884
2023
Q1 		– Sell
-5,581
Closed -$140K – 9985
2022
Q4 		$162K Buy
+5,581
New +$143K ﹤0.01% 4494
2022
Q3 		– Sell
-25,890
Closed -$481K – 10761
2022
Q2 		$107K Buy
25,890
+21,991
+564% +$120K ﹤0.01% 5489
2022
Q1 		$44K Buy
3,899
+551
+16% +$4.84K ﹤0.01% 7318
2021
Q4 		$33K Sell
3,348
-1,056
-24% -$11.9K ﹤0.01% 7781
2021
Q3 		$91K Sell
4,404
-800
-15% -$12.2K ﹤0.01% 6751
2021
Q2 		$101K Buy
5,204
+488
+10% +$10.1K ﹤0.01% 6717
2021
Q1 		$100K Sell
4,716
-5,484
-54% -$159K ﹤0.01% 5753
2020
Q4 		$303K Buy
10,200
+5,415
+113% +$138K ﹤0.01% 4062
2020
Q3 		$103K Buy
+4,785
New +$110K ﹤0.01% 4875
2020
Q2 		– Sell
-1,209
Closed -$18K – 8258
2020
Q1 		$18K Buy
+1,209
New +$21.6K ﹤0.01% 6052

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 $3.38T AUM 44.17% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Simplex Trading's RYTM Position: Q2 2026 in Review

Simplex Trading opened a new position in Rhythm Pharmaceuticals (RYTM) in Q2 2026: 3,435 shares worth $381K. The stake represents ﹤0.01% of the portfolio and ranks #3950 among its holdings. This is a return to the name: Simplex Trading previously reported a position in RYTM as recently as Q4 2024.

Simplex Trading first reported a position in RYTM in Q1 2020 and has held it in 12 quarters since. 304 funds tracked by Wall St. Rank hold RYTM as of Q2 2026.

  • Simplex Trading held 3,435 shares of Rhythm Pharmaceuticals worth $381K as of Q2 2026.
  • Rhythm Pharmaceuticals was a new Simplex Trading position in Q2 2026.
  • Rhythm Pharmaceuticals made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #3950 holding.
  • Simplex Trading first reported a position in Rhythm Pharmaceuticals in Q1 2020 and has held it in 12 quarters since.
  • 304 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.