UBS O'Connor’s Martin Marietta Materials MLM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-9,100
Closed -$5.74M 284
2025
Q3
$5.74M Buy
+9,100
New +$5.42M 0.17% 61
2022
Q4
Sell
-27,002
Closed -$8.7M 804
2022
Q3
$8.7M Buy
+27,002
New +$9.14M 0.1% 124
2017
Q1
Sell
-25,389
Closed -$5.62M 465
2016
Q4
$5.62M Sell
25,389
-32,653
-56% -$6.71M 0.11% 211
2016
Q3
$10.4M Buy
58,042
+33,871
+140% +$6.47M 0.15% 139
2016
Q2
$4.64M Sell
24,171
-63,729
-73% -$11.4M 0.1% 183
2016
Q1
$14M Buy
+87,900
New +$12.1M 0.14% 164

Other funds holding MLM

UBS O'Connor's MLM Position: Q4 2025 in Review

UBS O'Connor sold out of Martin Marietta Materials (MLM) in Q4 2025, closing a stake of 9,100 shares — an estimated $5.74M sold.

UBS O'Connor first reported a position in MLM in Q1 2016 and held it in 6 quarters. The position peaked at $14M in Q1 2016. 1,116 funds tracked by Wall St. Rank hold MLM as of Q4 2025.

  • UBS O'Connor reported no remaining Martin Marietta Materials position as of Q4 2025 after selling out during the quarter.
  • UBS O'Connor sold 9,100 Martin Marietta Materials shares in Q4 2025, an estimated $5.74M.
  • UBS O'Connor first reported a position in Martin Marietta Materials in Q1 2016 and held it in 6 quarters.
  • UBS O'Connor's Martin Marietta Materials position peaked at $14M in Q1 2016.
  • 1,116 funds tracked by Wall St. Rank held Martin Marietta Materials as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.