Optiver Holding
RYTM icon

Optiver Holding’s Rhythm Pharmaceuticals RYTM Stock Holding History

Optiver Holding’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 		$4.35K Sell
50
-42
-46% -$4.08K ﹤0.01% 1478
2025
Q4 		$9.85K Sell
92
-273
-75% -$29K ﹤0.01% 1147
2025
Q3 		$36.9K Buy
365
+144
+65% +$13.4K ﹤0.01% 836
2025
Q2 		$14K Buy
221
+66
+43% +$4.04K ﹤0.01% 920
2025
Q1 		$8.21K Buy
+155
New +$8.6K ﹤0.01% 953

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

Optiver Holding's RYTM Position: Q1 2026 in Review

Optiver Holding reduced its Rhythm Pharmaceuticals (RYTM) stake by 46% in Q1 2026, selling an estimated $4.08K and leaving 50 shares worth $4.35K. The position accounts for ﹤0.01% of the portfolio, ranked #1478.

Optiver Holding first reported a position in RYTM in Q1 2025 and has held it in 5 quarters since. The position peaked at $36.9K in Q3 2025. 285 funds tracked by Wall St. Rank hold RYTM as of Q1 2026.

  • Optiver Holding held 50 shares of Rhythm Pharmaceuticals worth $4.35K as of Q1 2026.
  • Optiver Holding sold 42 Rhythm Pharmaceuticals shares in Q1 2026, an estimated $4.08K.
  • Rhythm Pharmaceuticals made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1478 holding.
  • Optiver Holding first reported a position in Rhythm Pharmaceuticals in Q1 2025 and has held it in 5 quarters since.
  • Optiver Holding's Rhythm Pharmaceuticals position peaked at $36.9K in Q3 2025.
  • 285 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.