Magnetar Financial LLC

SEC CIK: 0001352851
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

COWN holding history

Cowen Inc. in every 13F filed by Magnetar Financial LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

COWN overview All 13F holders of COWN Full Q2 2026 holdings

Shares (Q1 2023): 0; Sold out in Q1 2023
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q3 2022

Holdings of COWN by Magnetar Financial LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q1 2023	0	$0	0.0%	−1,581,286−100.0%	Sold out	Holders
Q4 2022	1,581,286	$61.1M	1.0%	−49,339−3.0%	Reduced	Holders
Q3 2022	1,630,625	$63.0M	0.9%	+1,630,625	New	Holders