Magnetar Financial
SUPN icon

Magnetar Financial’s Supernus, Inc. Common Stock SUPN Stock Holding History

Magnetar Financial’s Portfolio SUPN Stock Details SUPN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		– Sell
-7,851
Closed -$322K – 1608
2026
Q2 		$322K Sell
7,851
-1,302
-14% -$47.2K ﹤0.01% 761
2026
Q1 		$279K Buy
9,153
+562
+7% +$18.6K ﹤0.01% 772
2025
Q4 		$308K Buy
+8,591
New +$262K ﹤0.01% 677

Other funds holding SUPN

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
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
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $33.9B AUM 47.7% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 42.55% 1-Year Est. Return
Two Seas Capital
Two Seas Capital Rye, New York $8.68B AUM 78.08% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $103B AUM 40.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Magnetar Financial's SUPN Position: Q3 2026 in Review

Magnetar Financial sold out of Supernus, Inc. Common Stock (SUPN) in Q3 2026, closing a stake of 7,851 shares — an estimated $322K sold.

Magnetar Financial first reported a position in SUPN in Q4 2025 and held it in 3 quarters. The position peaked at $322K in Q2 2026. 263 funds tracked by Wall St. Rank hold SUPN as of Q3 2026.

  • Magnetar Financial reported no remaining Supernus, Inc. Common Stock position as of Q3 2026 after selling out during the quarter.
  • Magnetar Financial sold 7,851 Supernus, Inc. Common Stock shares in Q3 2026, an estimated $322K.
  • Magnetar Financial first reported a position in Supernus, Inc. Common Stock in Q4 2025 and held it in 3 quarters.
  • Magnetar Financial's Supernus, Inc. Common Stock position peaked at $322K in Q2 2026.
  • 263 funds tracked by Wall St. Rank held Supernus, Inc. Common Stock as of Q3 2026.

Based on Magnetar Financial's 13F filing for Q3 2026, filed 13 Nov 2026.