Magnetar Financial’s SIM Acquisition Corp I Unit SIMAU Stock Holding History

Magnetar Financial’s Portfolio SIMAU Stock Details SIMAU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$48	Buy	+4	New	+$43	﹤0.01%	1123
2025 Q4	–	Sell	-4	Closed	-$47	–	1263
2025 Q3	$47	Hold	4	–	–	﹤0.01%	849
2025 Q2	$46	Sell	4 -1,960,196	-100%	-$20.2M	﹤0.01%	866
2025 Q1	$20.1M	Hold	1,960,200	–	–	0.26%	47
2024 Q4	$19.8M	Hold	1,960,200	–	–	0.45%	68
2024 Q3	$19.7M	Buy	+1,960,200	New	+$19.6M	0.43%	65

Other funds holding SIMAU

YCM

Yakira Capital Management Westport, Connecticut $342M AUM 26.95% 1-Year Est. Return

Clear Street New York $24.6B AUM 56.25% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

Magnetar Financial's SIMAU Position: Q1 2026 in Review

Magnetar Financial opened a new position in SIM Acquisition Corp I Unit (SIMAU) in Q1 2026: 4 shares worth $48. The stake represents ﹤0.01% of the portfolio and ranks #1123 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in SIMAU as recently as Q3 2025.

Magnetar Financial first reported a position in SIMAU in Q3 2024 and has held it in 6 quarters since. The position peaked at $20.1M in Q1 2025. 5 funds tracked by Wall St. Rank hold SIMAU as of Q1 2026.

Magnetar Financial held 4 shares of SIM Acquisition Corp I Unit worth $48 as of Q1 2026.
SIM Acquisition Corp I Unit was a new Magnetar Financial position in Q1 2026.
SIM Acquisition Corp I Unit made up ﹤0.01% of Magnetar Financial's portfolio in Q1 2026, its #1123 holding.
Magnetar Financial first reported a position in SIM Acquisition Corp I Unit in Q3 2024 and has held it in 6 quarters since.
Magnetar Financial's SIM Acquisition Corp I Unit position peaked at $20.1M in Q1 2025.
5 funds tracked by Wall St. Rank held SIM Acquisition Corp I Unit as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.