Group One Trading
LB

Group One Trading’s LandBridge Co LB Stock Holding History

Group One Trading’s Portfolio LB Stock Details LB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$34.5K Sell
500
-1,700
-77% -$108K ﹤0.01% 5543
2025
Q4 		$108K Sell
2,200
-600
-21% -$34.9K ﹤0.01% 4945
2025
Q3 		$149K Sell
2,800
-700
-20% -$38.6K ﹤0.01% 4964
2025
Q2 		$237K Buy
3,500
+2,100
+150% +$151K ﹤0.01% 4163
2025
Q1 		$101K Buy
+1,400
New +$99K ﹤0.01% 4596

Other funds holding LB

First Manhattan
First Manhattan New York $36.1B AUM 11.5% 1-Year Est. Return
HKAM
Horizon Kinetics Asset Management New York $9.23B AUM 27.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return
SIC
Schwartz Investment Counsel Plymouth, Michigan $2.82B AUM 13.66% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Group One Trading's LB Position: Q1 2026 in Review

Group One Trading increased its LandBridge Co (LB) stake by 49% in Q1 2026, buying an estimated $37.6K and bringing the position to 1,796 shares worth $124K. The position accounts for ﹤0.01% of the portfolio, ranked #4534.

Group One Trading first reported a position in LB in Q4 2024 and has held it in 4 quarters since. The position peaked at $208K in Q3 2025. 187 funds tracked by Wall St. Rank hold LB as of Q1 2026.

  • Group One Trading held 1,796 shares of LandBridge Co worth $124K as of Q1 2026.
  • Group One Trading bought 592 LandBridge Co shares in Q1 2026, an estimated $37.6K.
  • LandBridge Co made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #4534 holding.
  • Group One Trading first reported a position in LandBridge Co in Q4 2024 and has held it in 4 quarters since.
  • Group One Trading's LandBridge Co position peaked at $208K in Q3 2025.
  • 187 funds tracked by Wall St. Rank held LandBridge Co as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.