PA
LB

Promethium Advisors’s LandBridge Co LB Stock Holding History

Promethium Advisors’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
Q2 		$5.46M Buy
68,930
+1,692
+3% +$116K 2.62% 8
2026
Q1 		$4.64M Sell
67,238
-799
-1% -$50.8K 2.4% 9
2025
Q4 		$3.33M Buy
68,037
+6,428
+10% +$374K 1.8% 14
2025
Q3 		$3.29M Buy
61,609
+14,032
+29% +$774K 1.88% 12
2025
Q2 		$3.22M Buy
47,577
+7,250
+18% +$522K 1.95% 15
2025
Q1 		$2.9M Buy
40,327
+17,117
+74% +$1.21M 1.86% 15
2024
Q4 		$1.5M Buy
23,210
+2,259
+11% +$136K 1.03% 32
2024
Q3 		$820K Buy
+20,951
New +$705K 0.58% 52

Other funds holding LB

First Manhattan
First Manhattan New York $39.2B AUM 21.04% 1-Year Est. Return
HKAM
Horizon Kinetics Asset Management New York $8.82B AUM 23.05% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
SIC
Schwartz Investment Counsel Plymouth, Michigan $3.01B AUM 27.22% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Promethium Advisors's LB Position: Q2 2026 in Review

Promethium Advisors increased its LandBridge Co (LB) stake by 2.5% in Q2 2026, buying an estimated $116K and bringing the position to 68,930 shares worth $5.46M. The position accounts for 2.62% of the portfolio, ranked #8.

Promethium Advisors first reported a position in LB in Q3 2024 and has held it in 8 quarters since. 192 funds tracked by Wall St. Rank hold LB as of Q2 2026.

  • Promethium Advisors held 68,930 shares of LandBridge Co worth $5.46M as of Q2 2026.
  • Promethium Advisors bought 1,692 LandBridge Co shares in Q2 2026, an estimated $116K.
  • LandBridge Co made up 2.62% of Promethium Advisors's portfolio in Q2 2026, its #8 holding.
  • Promethium Advisors first reported a position in LandBridge Co in Q3 2024 and has held it in 8 quarters since.
  • 192 funds tracked by Wall St. Rank held LandBridge Co as of Q2 2026.

Based on Promethium Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.