PEAK6’s Jefferies Financial Group JEF Stock Holding History

PEAK6’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 Q2	$1M	Buy	20,100 +15,300	+319%	+$789K	﹤0.01%	1692
2026 Q1	$198K	Sell	4,800 -1,100	-19%	-$57.1K	﹤0.01%	2282
2025 Q4	$366K	Buy	5,900 +400	+7%	+$22.9K	﹤0.01%	2225
2025 Q3	$360K	Sell	5,500 -64,700	-92%	-$3.95M	﹤0.01%	2271
2025 Q2	$3.84M	Buy	70,200 +46,900	+201%	+$2.32M	0.01%	1097
2025 Q1	$1.25M	Sell	23,300 -28,700	-55%	-$1.95M	﹤0.01%	1648
2024 Q4	$4.08M	Buy	+52,000	New	+$3.74M	0.01%	1027

Other funds holding JEF

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

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

SMFG

Sumitomo Mitsui Financial Group Tokyo, Japan $5.27B AUM 2.94% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

MMLI

Massachusetts Mutual Life Insurance Springfield, Massachusetts $2.38B AUM 57.6% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

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

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

PEAK6's JEF Position: Q2 2026 in Review

PEAK6 increased its Jefferies Financial Group (JEF) stake by 25% in Q2 2026, buying an estimated $550K and bringing the position to 53,141 shares worth $2.66M. The position accounts for 0.01% of the portfolio, ranked #1160.

PEAK6 first reported a position in JEF in Q1 2025 and has held it in 6 quarters since. The position peaked at $13.1M in Q3 2025. 590 funds tracked by Wall St. Rank hold JEF as of Q2 2026.

PEAK6 held 53,141 shares of Jefferies Financial Group worth $2.66M as of Q2 2026.
PEAK6 bought 10,664 Jefferies Financial Group shares in Q2 2026, an estimated $550K.
Jefferies Financial Group made up 0.01% of PEAK6's portfolio in Q2 2026, its #1160 holding.
PEAK6 first reported a position in Jefferies Financial Group in Q1 2025 and has held it in 6 quarters since.
PEAK6's Jefferies Financial Group position peaked at $13.1M in Q3 2025.
590 funds tracked by Wall St. Rank held Jefferies Financial Group as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.