William Blair Investment Management
JEF icon

William Blair Investment Management’s Jefferies Financial Group JEF Stock Holding History

William Blair Investment Management’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 		$443K Buy
8,873
+38
+0.4% +$1.96K ﹤0.01% 378
2026
Q1 		$365K Buy
+8,835
New +$459K ﹤0.01% 386

Other funds holding JEF

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
MMLI
Massachusetts Mutual Life Insurance Springfield, Massachusetts $2.38B AUM 57.6% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

William Blair Investment Management's JEF Position: Q2 2026 in Review

William Blair Investment Management increased its Jefferies Financial Group (JEF) stake by 0.43% in Q2 2026, buying an estimated $1.96K and bringing the position to 8,873 shares worth $443K. The position accounts for ﹤0.01% of the portfolio, ranked #378.

William Blair Investment Management first reported a position in JEF in Q1 2026 and has held it in 2 quarters since. 589 funds tracked by Wall St. Rank hold JEF as of Q2 2026.

  • William Blair Investment Management held 8,873 shares of Jefferies Financial Group worth $443K as of Q2 2026.
  • William Blair Investment Management bought 38 Jefferies Financial Group shares in Q2 2026, an estimated $1.96K.
  • Jefferies Financial Group made up ﹤0.01% of William Blair Investment Management's portfolio in Q2 2026, its #378 holding.
  • William Blair Investment Management first reported a position in Jefferies Financial Group in Q1 2026 and has held it in 2 quarters since.
  • 589 funds tracked by Wall St. Rank held Jefferies Financial Group as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.