William Blair & Company
USAR

William Blair & Company’s USA Rare Earth Inc USAR Stock Holding History

William Blair & Company’s Portfolio USAR Stock Details USAR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.96M Buy
137,363
+9,042
+7% +$206K 0.01% 661
2026
Q1 		$1.94M Buy
128,321
+62,912
+96% +$1.22M 0.01% 738
2025
Q4 		$778K Buy
+65,409
New +$1.25M ﹤0.01% 1003

Other funds holding USAR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BCA
Bayshore Capital Advisors Tampa, Florida $214M AUM
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

William Blair & Company's USAR Position: Q2 2026 in Review

William Blair & Company increased its USA Rare Earth Inc (USAR) stake by 7% in Q2 2026, buying an estimated $206K and bringing the position to 137,363 shares worth $2.96M. The position accounts for 0.01% of the portfolio, ranked #661.

William Blair & Company first reported a position in USAR in Q4 2025 and has held it in 3 quarters since. 396 funds tracked by Wall St. Rank hold USAR as of Q2 2026.

  • William Blair & Company held 137,363 shares of USA Rare Earth Inc worth $2.96M as of Q2 2026.
  • William Blair & Company bought 9,042 USA Rare Earth Inc shares in Q2 2026, an estimated $206K.
  • USA Rare Earth Inc made up 0.01% of William Blair & Company's portfolio in Q2 2026, its #661 holding.
  • William Blair & Company first reported a position in USA Rare Earth Inc in Q4 2025 and has held it in 3 quarters since.
  • 396 funds tracked by Wall St. Rank held USA Rare Earth Inc as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.