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
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 $9.44B AUM 157.3% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

Simplex Trading's RYTM Position: Q1 2025 in Review

Simplex Trading sold out of Rhythm Pharmaceuticals (RYTM) in Q1 2025, closing a stake of 2,475 shares — an estimated $137K sold.

Simplex Trading first reported a position in RYTM in Q1 2020 and held it in 11 quarters. The position peaked at $303K in Q4 2020. 228 funds tracked by Wall St. Rank hold RYTM as of Q1 2025.

  • Simplex Trading reported no remaining Rhythm Pharmaceuticals position as of Q1 2025 after selling out during the quarter.
  • Simplex Trading sold 2,475 Rhythm Pharmaceuticals shares in Q1 2025, an estimated $137K.
  • Simplex Trading first reported a position in Rhythm Pharmaceuticals in Q1 2020 and held it in 11 quarters.
  • Simplex Trading's Rhythm Pharmaceuticals position peaked at $303K in Q4 2020.
  • 228 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q1 2025.

Based on Simplex Trading's 13F filing for Q1 2025, filed 12 May 2025.