Magnetar Financial’s Annexon ANNX Stock Holding History

Magnetar Financial’s Portfolio ANNX Stock Details ANNX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-14,205	Closed	-$78.7K	–	1160
2026 Q1	$78.7K	Buy	+14,205	New	+$80K	﹤0.01%	1035

Other funds holding ANNX

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

MCO

MAK Capital One New York $714M AUM 68.07% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Magnetar Financial's ANNX Position: Q2 2026 in Review

Magnetar Financial sold out of Annexon (ANNX) in Q2 2026, closing a stake of 14,205 shares — an estimated $78.7K sold.

Magnetar Financial first reported a position in ANNX in Q1 2026 and held it in 1 quarter. The position peaked at $78.7K in Q1 2026. 217 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

Magnetar Financial reported no remaining Annexon position as of Q2 2026 after selling out during the quarter.
Magnetar Financial sold 14,205 Annexon shares in Q2 2026, an estimated $78.7K.
Magnetar Financial first reported a position in Annexon in Q1 2026 and held it in 1 quarter.
Magnetar Financial's Annexon position peaked at $78.7K in Q1 2026.
217 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.