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LB

LandBridge Co
LB

156 hedge funds and large institutions have $1.35B invested in LandBridge Co in 2025 Q3 according to their latest regulatory filings, with 30 funds opening new positions, 71 increasing their positions, 39 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

82% more repeat investments, than reductions

Existing positions increased: 71 | Existing positions reduced: 39

18% more call options, than puts

Call options by funds: $9.71M | Put options by funds: $8.23M

0% more funds holding

Funds holding: 156 → 156 (0)

0% more funds holding in top 10

Funds holding in top 10: 4 → 4 (0)

0% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 30

7.92% less ownership

Funds ownership: 107.81% → 99.89% (-7.9%)

20% less capital invested

Capital invested by funds: $1.69B → $1.35B (-$343M)

Holders
156
Holders Change
–
Holders Change %
0%
% of All Funds
2.05%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
30
Increased
71
Reduced
39
Closed
30
Calls
$9.71M
Puts
$8.23M
Net Calls
+$1.48M
Net Calls Change
+$3.41M

Top Buyers

Rank Fund Capital Flow
1
First Manhattan
First Manhattan
New York
+$133M
2
Morgan Stanley
Morgan Stanley
New York
+$18.1M
3
CA
Cortland Associates
Missouri
+$14.4M
4
UBS Group
UBS Group
Switzerland
+$11M
5
HKAM
Horizon Kinetics Asset Management
New York
+$7.35M

Top Sellers

Rank Fund Capital Flow
1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$80.8M
2
Jane Street
Jane Street
New York
-$47.8M
3
BlackRock
BlackRock
New York
-$45.5M
4
DCM
Driehaus Capital Management
Illinois
-$15.7M
5
Amundi
Amundi
France
-$9.26M
Name Holding Trade Value Shares
Change 		Change in
Stake
SGM
26
Seven Grand Managers
New York
$5.33M – – –
ASN
27
Advisory Services Network
Georgia
$4.66M +$72.2K +1,309 +2%
HighTower Advisors
28
HighTower Advisors
Illinois
$4.51M -$715K -12,971 -13%
Jane Street
29
Jane Street
New York
$4.21M -$47.8M -867,169 -92%
SI
30
Sprott Inc
Ontario, Canada
$3.97M +$499K +9,054 +14%
Millennium Management
31
Millennium Management
New York
$3.79M -$4.36M -79,005 -53%
AQR Capital Management
32
AQR Capital Management
Connecticut
$3.56M +$3.68M +66,785 New
OL
33
one8zero8 LLC
North Carolina
$3.52M +$851K +15,430 +30%
PA
34
Promethium Advisors
Maryland
$3.29M +$774K +14,032 +29%
CSS
35
Cubist Systematic Strategies
Connecticut
$3.19M +$706K +12,806 +27%
CCM
36
Cinctive Capital Management
New York
$2.96M +$3.06M +55,489 New
KCFA
37
Key Client Fiduciary Advisors
New Jersey
$2.71M +$1.84M +33,388 +192%
JF
38
Jump Financial
Illinois
$2.57M +$1.8M +32,680 +211%
BlackRock
39
BlackRock
New York
$2.5M -$45.5M -824,236 -95%
IP
40
Interval Partners
New York
$2.49M +$2.58M +46,766 New
Susquehanna International Group
41
Susquehanna International Group
Pennsylvania
$2.43M +$1.5M +27,186 +147%
YCM
42
Yaupon Capital Management
New York
$2.37M +$2.45M +44,424 New
KWA
43
Kingswood Wealth Advisors
California
$2.15M -$250K -4,528 -10%
VFM
44
Viking Fund Management
North Dakota
$2.13M +$2.21M +40,000 New
Swiss National Bank
45
Swiss National Bank
Switzerland
$1.95M +$176K +3,200 +10%
IIM
46
Ipswich Investment Management
Massachusetts
$1.93M +$762K +13,825 +62%
AWP
47
Atlas Wealth Partners
Pennsylvania
$1.87M +$917K +16,623 +90%
YIH
48
Y-Intercept (HK)
Hong Kong
$1.84M +$1.9M +34,529 New
Rockefeller Capital Management
49
Rockefeller Capital Management
New York
$1.77M +$420K +7,621 +30%
LPL Financial
50
LPL Financial
California
$1.72M +$678K +12,300 +62%
1
2
3 4 5

LB Hedge Fund Activity: Q3 2025 in Review

156 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in LandBridge Co (LB) for Q3 2025, worth a combined $1.35B — down 20% from $1.69B a quarter earlier.

Fund positioning in LB was balanced in Q3 2025: 30 funds opened new positions, 30 closed out, 71 added to existing stakes and 39 trimmed.

The largest buyer was First Manhattan, adding an estimated $133M. The largest seller was T. Rowe Price Investment Management, exiting entirely with an estimated $80.8M sold.

  • 156 institutional investors held LandBridge Co (LB) as of Q3 2025, unchanged from Q2 2025.
  • Funds reported $1.35B of LandBridge Co stock for Q3 2025, down 20% quarter-over-quarter.
  • 30 funds opened new LandBridge Co positions in Q3 2025 and 30 closed out, a net change of 0 holders.
  • The largest LandBridge Co buyer in Q3 2025 was First Manhattan, an estimated $133M added.
  • The largest LandBridge Co seller in Q3 2025 was T. Rowe Price Investment Management, an estimated $80.8M sold.

Based on aggregated 13F filings for Q3 2025.