Magnetar Financial’s SELLAS Life Sciences SLS Stock Holding History

Magnetar Financial’s Portfolio SLS Stock Details SLS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-35,032	Closed	-$148K	–	1438
2026 Q1	$148K	Buy	+35,032	New	+$157K	﹤0.01%	943

Other funds holding SLS

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

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

AFM

Anson Funds Management Dallas, Texas $1.68B AUM 373.57% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Magnetar Financial's SLS Position: Q2 2026 in Review

Magnetar Financial sold out of SELLAS Life Sciences (SLS) in Q2 2026, closing a stake of 35,032 shares — an estimated $148K sold.

Magnetar Financial first reported a position in SLS in Q1 2026 and held it in 1 quarter. The position peaked at $148K in Q1 2026. 192 funds tracked by Wall St. Rank hold SLS as of Q2 2026.

Magnetar Financial reported no remaining SELLAS Life Sciences position as of Q2 2026 after selling out during the quarter.
Magnetar Financial sold 35,032 SELLAS Life Sciences shares in Q2 2026, an estimated $148K.
Magnetar Financial first reported a position in SELLAS Life Sciences in Q1 2026 and held it in 1 quarter.
Magnetar Financial's SELLAS Life Sciences position peaked at $148K in Q1 2026.
192 funds tracked by Wall St. Rank held SELLAS Life Sciences as of Q2 2026.

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