Simplex Trading
RYTM icon

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 		$155K Sell
1,400
-2,100
-60% -$190K ﹤0.01% 5032
2026
Q1 		$304K Buy
3,500
+3,000
+600% +$292K ﹤0.01% 3807
2025
Q4 		$53.5K Buy
500
+200
+67% +$21.2K ﹤0.01% 5596
2025
Q3 		$30K Sell
300
-7,600
-96% -$706K ﹤0.01% 6988
2025
Q2 		$499K Buy
7,900
+300
+4% +$18.4K ﹤0.01% 3515
2025
Q1 		$402K Buy
7,600
+4,400
+138% +$244K ﹤0.01% 3630
2024
Q4 		$179K Sell
3,200
-14,400
-82% -$795K ﹤0.01% 4627
2024
Q3 		$922K Sell
17,600
-14,700
-46% -$704K ﹤0.01% 2991
2024
Q2 		$1.33M Buy
32,300
+20,500
+174% +$818K ﹤0.01% 2618
2024
Q1 		$511K Sell
11,800
-3,200
-21% -$140K ﹤0.01% 3843
2023
Q4 		$689K Buy
15,000
+6,300
+72% +$199K ﹤0.01% 3377
2023
Q3 		$199K Sell
8,700
-27,600
-76% -$618K ﹤0.01% 4364
2023
Q2 		$598K Buy
36,300
+23,100
+175% +$417K ﹤0.01% 3122
2023
Q1 		$235K Buy
13,200
+11,000
+500% +$276K ﹤0.01% 4143
2022
Q4 		$64K Sell
2,200
-69,000
-97% -$1.77M ﹤0.01% 5572
2022
Q3 		$1.74M Buy
71,200
+69,700
+4,647% +$1.3M ﹤0.01% 2082
2022
Q2 		$6K Sell
1,500
-1,900
-56% -$10.4K ﹤0.01% 8748
2022
Q1 		$39K Sell
3,400
-400
-11% -$3.51K ﹤0.01% 7481
2021
Q4 		$37K Buy
3,800
+2,600
+217% +$29.2K ﹤0.01% 7637
2021
Q3 		$24K Hold
1,200
– – ﹤0.01% 8281
2021
Q2 		$23K Buy
1,200
+1,186
+8,471% +$24.6K ﹤0.01% 8475
2021
Q1 		$29K Sell
14
-40
-74% -$1.16K ﹤0.01% 7155
2020
Q4 		$160K Buy
54
+17
+46% +$432 ﹤0.01% 4898
2020
Q3 		$80K Buy
+37
New +$848 ﹤0.01% 5139
2020
Q2 		– Sell
-1
Closed -$1K – 8257
2020
Q1 		$1K Buy
+1
New +$18 ﹤0.01% 7404

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

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.