State of Wisconsin Investment Board’s LandBridge Co LB Stock Holding History

State of Wisconsin Investment Board’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	$583K	Buy	+8,438	New	+$536K	﹤0.01%	1918
2025 Q3	–	Sell	-6,344	Closed	-$429K	–	2551
2025 Q2	$429K	Buy	6,344 +160	+3%	+$11.5K	﹤0.01%	1929
2025 Q1	$445K	Buy	6,184 +508	+9%	+$35.9K	﹤0.01%	1815
2024 Q4	$367K	Buy	+5,676	New	+$341K	﹤0.01%	1933

Other funds holding LB

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 New York $1.66T AUM 25.57% 1-Year Est. Return

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 Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

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 $3.01B AUM 27.22% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

State of Wisconsin Investment Board's LB Position: Q1 2026 in Review

State of Wisconsin Investment Board opened a new position in LandBridge Co (LB) in Q1 2026: 8,438 shares worth $583K. The stake represents ﹤0.01% of the portfolio and ranks #1918 among its holdings. This is a return to the name: State of Wisconsin Investment Board previously reported a position in LB as recently as Q2 2025.

State of Wisconsin Investment Board first reported a position in LB in Q4 2024 and has held it in 4 quarters since. 187 funds tracked by Wall St. Rank hold LB as of Q1 2026.

State of Wisconsin Investment Board held 8,438 shares of LandBridge Co worth $583K as of Q1 2026.
LandBridge Co was a new State of Wisconsin Investment Board position in Q1 2026.
LandBridge Co made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1918 holding.
State of Wisconsin Investment Board first reported a position in LandBridge Co in Q4 2024 and has held it in 4 quarters since.
187 funds tracked by Wall St. Rank held LandBridge Co as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.