Magnetar Financial’s Jefferies Financial Group JEF Stock Holding History

Magnetar Financial’s Portfolio JEF Stock Details JEF Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.06M	Buy	25,633 +5,706	+29%	+$296K	0.01%	464
2025 Q4	$1.23M	Buy	+19,927	New	+$1.14M	0.01%	406
2025 Q3	–	Sell	-144,212	Closed	-$7.89M	–	1035
2025 Q2	$7.89M	Buy	+144,212	New	+$7.14M	0.04%	182
2023 Q3	–	Sell	-17,823	Closed	-$591K	–	516
2023 Q2	$591K	Buy	17,823 +10,097	+131%	+$315K	0.01%	325
2023 Q1	$245K	Buy	+7,726	New	+$279K	﹤0.01%	533
2022 Q1	–	Sell	-10,218	Closed	-$379K	–	1432
2021 Q4	$379K	Buy	+10,218	New	+$394K	﹤0.01%	1021
2021 Q3	–	Sell	-19,845	Closed	-$649	–	1413
2021 Q2	$649	Buy	+19,845	New	+$605K	0.01%	823
2018 Q4	–	Sell	-16,182	Closed	-$318K	–	401
2018 Q3	$318K	Buy	+16,182	New	+$337K	0.01%	307
2018 Q1	–	Sell	-10,738	Closed	-$255K	–	685
2017 Q4	$255K	Buy	10,738 +231	+2%	+$5.33K	﹤0.01%	555
2017 Q3	$237K	Buy	+10,507	New	+$235K	﹤0.01%	575

Other funds holding JEF

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

SMFG

Sumitomo Mitsui Financial Group Tokyo, Japan $4.94B AUM 1.39% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

MMLI

Massachusetts Mutual Life Insurance Springfield, Massachusetts $2.17B AUM 48.68% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Magnetar Financial's JEF Position: Q1 2026 in Review

Magnetar Financial increased its Jefferies Financial Group (JEF) stake by 29% in Q1 2026, buying an estimated $296K and bringing the position to 25,633 shares worth $1.06M. The position accounts for 0.01% of the portfolio, ranked #464.

Magnetar Financial first reported a position in JEF in Q3 2017 and has held it in 10 quarters since. The position peaked at $7.89M in Q2 2025. 556 funds tracked by Wall St. Rank hold JEF as of Q1 2026.

Magnetar Financial held 25,633 shares of Jefferies Financial Group worth $1.06M as of Q1 2026.
Magnetar Financial bought 5,706 Jefferies Financial Group shares in Q1 2026, an estimated $296K.
Jefferies Financial Group made up 0.01% of Magnetar Financial's portfolio in Q1 2026, its #464 holding.
Magnetar Financial first reported a position in Jefferies Financial Group in Q3 2017 and has held it in 10 quarters since.
Magnetar Financial's Jefferies Financial Group position peaked at $7.89M in Q2 2025.
556 funds tracked by Wall St. Rank held Jefferies Financial Group as of Q1 2026.

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